[INFO] cloning repository https://github.com/osekilab/CANDS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/osekilab/CANDS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosekilab%2FCANDS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosekilab%2FCANDS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f96af9fa7601af12dea9d94b6704edd30e91b44e
[INFO] testing osekilab/CANDS against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosekilab%2FCANDS" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/osekilab/CANDS
[INFO] finished tweaking git repo https://github.com/osekilab/CANDS
[INFO] tweaked toml for git repo https://github.com/osekilab/CANDS written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/osekilab/CANDS on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/osekilab/CANDS already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded convert_case v0.4.0
[INFO] [stderr]   Downloaded rustc_version v0.4.0
[INFO] [stderr]   Downloaded env_logger v0.9.0
[INFO] [stderr]   Downloaded once_cell v1.13.0
[INFO] [stderr]   Downloaded semver v1.0.10
[INFO] [stderr]   Downloaded derive_more v0.99.17
[INFO] [stderr]   Downloaded itertools v0.10.1
[INFO] [stderr]   Downloaded serde_derive v1.0.147
[INFO] [stderr]   Downloaded serde v1.0.147
[INFO] [stderr]   Downloaded proc-macro2 v1.0.39
[INFO] [stderr]   Downloaded quote v1.0.19
[INFO] [stderr]   Downloaded unicode-ident v1.0.1
[INFO] [stderr]   Downloaded syn v1.0.98
[INFO] [stderr]   Downloaded libc v0.2.104
[INFO] [stderr]   Downloaded regex v1.5.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be24a67928bf5650fd5421735cc4411179e7c4ec629d614feedb8289a5e182a0
[INFO] running `Command { std: "docker" "start" "-a" "be24a67928bf5650fd5421735cc4411179e7c4ec629d614feedb8289a5e182a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be24a67928bf5650fd5421735cc4411179e7c4ec629d614feedb8289a5e182a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be24a67928bf5650fd5421735cc4411179e7c4ec629d614feedb8289a5e182a0", kill_on_drop: false }`
[INFO] [stdout] be24a67928bf5650fd5421735cc4411179e7c4ec629d614feedb8289a5e182a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b9ad5ef5a208791287f6f96518ec8e1287c4a3a9848c7a7927bddd6a7a74b28
[INFO] running `Command { std: "docker" "start" "-a" "2b9ad5ef5a208791287f6f96518ec8e1287c4a3a9848c7a7927bddd6a7a74b28", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling once_cell v1.13.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling quote v1.0.19
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling logwrap v0.1.0 (/opt/rustwide/workdir/subcrates/logwrap)
[INFO] [stdout] warning: unused variable: `has_receiver`
[INFO] [stdout]   --> subcrates/logwrap/src/lib.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let has_receiver = wrapper.sig.receiver().is_some();
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_has_receiver`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cands v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `my_trace`
[INFO] [stdout]   --> src/utils.rs:52:14
[INFO] [stdout]    |
[INFO] [stdout] 52 | macro_rules! my_trace {
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `my_error`
[INFO] [stdout]   --> src/utils.rs:82:14
[INFO] [stdout]    |
[INFO] [stdout] 82 | macro_rules! my_error {
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PhantomData`
[INFO] [stdout]  --> src/ops/mod.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::marker::{ PhantomData };
[INFO] [stdout]   |                    ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter`
[INFO] [stdout]  --> src/ops/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/ops/mod.rs:152:24
[INFO] [stdout]     |
[INFO] [stdout] 152 |                     if (x2.is_complement_of::<T>(x1, so, w) ||
[INFO] [stdout]     |                        ^
[INFO] [stdout] 153 |                         x1.is_specifier_of::<T>(x2, so, w)) {
[INFO] [stdout]     |                                                           ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 152 ~                     if x2.is_complement_of::<T>(x1, so, w) ||
[INFO] [stdout] 153 ~                         x1.is_specifier_of::<T>(x2, so, w)  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/ops/mod.rs:157:29
[INFO] [stdout]     |
[INFO] [stdout] 157 |                     else if (x1.is_complement_of::<T>(x2, so, w) ||
[INFO] [stdout]     |                             ^
[INFO] [stdout] 158 |                         x2.is_specifier_of::<T>(x1, so, w)) {
[INFO] [stdout]     |                                                           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 157 ~                     else if x1.is_complement_of::<T>(x2, so, w) ||
[INFO] [stdout] 158 ~                         x2.is_specifier_of::<T>(x1, so, w)  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `w`
[INFO] [stdout]   --> src/deriv/mod.rs:98:14
[INFO] [stdout]    |
[INFO] [stdout] 98 | macro_rules! w {
[INFO] [stdout]    |              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `my_error` and `my_trace`
[INFO] [stdout]   --> src/prelude.rs:16:15
[INFO] [stdout]    |
[INFO] [stdout] 16 |     inc, dec, my_trace, my_debug, my_info, my_error,
[INFO] [stdout]    |               ^^^^^^^^                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `fset` and `fvec`
[INFO] [stdout]   --> src/prelude.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Feature, f, fset, fvec,
[INFO] [stdout]    |                 ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `token_based_merge`
[INFO] [stdout]   --> src/prelude.rs:26:38
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub(crate) use crate::ops::{ select, token_based_merge, triggered_merge, is_strong_phase, transfer, cyclic_transfer };
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ContainedSyntacticObjects`, `ILanguage`, `Lexicon`, `UniversalGrammar`, `is_derivation`, `li`, `lit`, and `w`
[INFO] [stdout]   --> src/prelude.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     Lexicon, UniversalGrammar, ILanguage, Stage, is_derivation, Workspace, w,
[INFO] [stdout]    |     ^^^^^^^  ^^^^^^^^^^^^^^^^  ^^^^^^^^^         ^^^^^^^^^^^^^             ^
[INFO] [stdout] 29 |     li::{ LexicalItem, li },
[INFO] [stdout]    |                        ^^
[INFO] [stdout] 30 |     lit::{ LexicalItemToken, lit },
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 31 |     so::{ SyntacticObject, ContainedSyntacticObjects, SOPrefixFormatter, so },
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BasicTriggers`
[INFO] [stdout]   --> src/prelude.rs:33:43
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub(crate) use crate::labels::{ Triggers, BasicTriggers };
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `converges_ci`, `converges_sm`, and `converges`
[INFO] [stdout]   --> src/prelude.rs:34:31
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub(crate) use crate::conv::{ converges_ci, converges_sm, converges };
[INFO] [stdout]    |                               ^^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Deref`
[INFO] [stdout]  --> src/labels/mod.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{ Deref };
[INFO] [stdout]   |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ops/mod.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |             let mut pf1 = 
[INFO] [stdout]     |                 ----^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ops/mod.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |             let mut pf2 =
[INFO] [stdout]     |                 ----^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ops/mod.rs:213:62
[INFO] [stdout]     |
[INFO] [stdout] 213 | fn unwind_and_transfer<T: Triggers>(phase: &SyntacticObject, mut so: SyntacticObject, head: &SyntacticObject, w: &Workspace) -> Res...
[INFO] [stdout]     |                                                              ----^^
[INFO] [stdout]     |                                                              |
[INFO] [stdout]     |                                                              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w1`
[INFO] [stdout]    --> src/deriv/mod.rs:220:29
[INFO] [stdout]     |
[INFO] [stdout] 220 |     let Stage { la: la1, w: w1 } = stage1;
[INFO] [stdout]     |                             ^^ help: if this is intentional, prefix it with an underscore: `_w1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `la2`
[INFO] [stdout]    --> src/deriv/mod.rs:221:21
[INFO] [stdout]     |
[INFO] [stdout] 221 |     let Stage { la: la2, w: w2 } = stage2;
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_la2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w2`
[INFO] [stdout]    --> src/deriv/mod.rs:221:29
[INFO] [stdout]     |
[INFO] [stdout] 221 |     let Stage { la: la2, w: w2 } = stage2;
[INFO] [stdout]     |                             ^^ help: if this is intentional, prefix it with an underscore: `_w2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `so2`
[INFO] [stdout]    --> src/deriv/mod.rs:438:35
[INFO] [stdout]     |
[INFO] [stdout] 438 |                         .filter(|(so2, so4)| {
[INFO] [stdout]     |                                   ^^^ help: if this is intentional, prefix it with an underscore: `_so2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ug`
[INFO] [stdout]    --> src/deriv/mod.rs:533:26
[INFO] [stdout]     |
[INFO] [stdout] 533 |     let ILanguage { lex, ug, .. } = il;
[INFO] [stdout]     |                          ^^ help: try ignoring the field: `ug: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `la1`
[INFO] [stdout]    --> src/deriv/mod.rs:566:25
[INFO] [stdout]     |
[INFO] [stdout] 566 |         let Stage { la: la1, w: w1 } = stage1;
[INFO] [stdout]     |                         ^^^ help: if this is intentional, prefix it with an underscore: `_la1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w1`
[INFO] [stdout]    --> src/deriv/mod.rs:566:33
[INFO] [stdout]     |
[INFO] [stdout] 566 |         let Stage { la: la1, w: w1 } = stage1;
[INFO] [stdout]     |                                 ^^ help: if this is intentional, prefix it with an underscore: `_w1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `la2`
[INFO] [stdout]    --> src/deriv/mod.rs:567:25
[INFO] [stdout]     |
[INFO] [stdout] 567 |         let Stage { la: la2, w: w2 } = stage2;
[INFO] [stdout]     |                         ^^^ help: if this is intentional, prefix it with an underscore: `_la2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w2`
[INFO] [stdout]    --> src/deriv/mod.rs:567:33
[INFO] [stdout]     |
[INFO] [stdout] 567 |         let Stage { la: la2, w: w2 } = stage2;
[INFO] [stdout]     |                                 ^^ help: if this is intentional, prefix it with an underscore: `_w2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/deriv/mod.rs:139:26
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn contained_sos(&self, pic_compliant: bool) -> ContainedSyntacticObjects {
[INFO] [stdout]     |                          ^^^^^                          ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn contained_sos(&self, pic_compliant: bool) -> ContainedSyntacticObjects<'_> {
[INFO] [stdout]     |                                                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/deriv/so.rs:218:26
[INFO] [stdout]     |
[INFO] [stdout] 218 |     pub fn contained_sos(&self, start_with_self: bool, pic_compliant: bool) -> ContainedSyntacticObjects {
[INFO] [stdout]     |                          ^^^^^ the lifetime is elided here                     ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 218 |     pub fn contained_sos(&self, start_with_self: bool, pic_compliant: bool) -> ContainedSyntacticObjects<'_> {
[INFO] [stdout]     |                                                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.28s
[INFO] running `Command { std: "docker" "inspect" "2b9ad5ef5a208791287f6f96518ec8e1287c4a3a9848c7a7927bddd6a7a74b28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b9ad5ef5a208791287f6f96518ec8e1287c4a3a9848c7a7927bddd6a7a74b28", kill_on_drop: false }`
[INFO] [stdout] 2b9ad5ef5a208791287f6f96518ec8e1287c4a3a9848c7a7927bddd6a7a74b28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81b1992a0f6e54007c486bb52f3bf2ccd9d098689e58cadd907e54092bbe93ac
[INFO] running `Command { std: "docker" "start" "-a" "81b1992a0f6e54007c486bb52f3bf2ccd9d098689e58cadd907e54092bbe93ac", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `has_receiver`
[INFO] [stdout]   --> subcrates/logwrap/src/lib.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let has_receiver = wrapper.sig.receiver().is_some();
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_has_receiver`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `my_trace`
[INFO] [stdout]   --> src/utils.rs:52:14
[INFO] [stdout]    |
[INFO] [stdout] 52 | macro_rules! my_trace {
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `my_error`
[INFO] [stdout]   --> src/utils.rs:82:14
[INFO] [stdout]    |
[INFO] [stdout] 82 | macro_rules! my_error {
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PhantomData`
[INFO] [stdout]  --> src/ops/mod.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::marker::{ PhantomData };
[INFO] [stdout]   |                    ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter`
[INFO] [stdout]  --> src/ops/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/ops/mod.rs:152:24
[INFO] [stdout]     |
[INFO] [stdout] 152 |                     if (x2.is_complement_of::<T>(x1, so, w) ||
[INFO] [stdout]     |                        ^
[INFO] [stdout] 153 |                         x1.is_specifier_of::<T>(x2, so, w)) {
[INFO] [stdout]     |                                                           ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 152 ~                     if x2.is_complement_of::<T>(x1, so, w) ||
[INFO] [stdout] 153 ~                         x1.is_specifier_of::<T>(x2, so, w)  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/ops/mod.rs:157:29
[INFO] [stdout]     |
[INFO] [stdout] 157 |                     else if (x1.is_complement_of::<T>(x2, so, w) ||
[INFO] [stdout]     |                             ^
[INFO] [stdout] 158 |                         x2.is_specifier_of::<T>(x1, so, w)) {
[INFO] [stdout]     |                                                           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 157 ~                     else if x1.is_complement_of::<T>(x2, so, w) ||
[INFO] [stdout] 158 ~                         x2.is_specifier_of::<T>(x1, so, w)  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `w`
[INFO] [stdout]   --> src/deriv/mod.rs:98:14
[INFO] [stdout]    |
[INFO] [stdout] 98 | macro_rules! w {
[INFO] [stdout]    |              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `my_error` and `my_trace`
[INFO] [stdout]   --> src/prelude.rs:16:15
[INFO] [stdout]    |
[INFO] [stdout] 16 |     inc, dec, my_trace, my_debug, my_info, my_error,
[INFO] [stdout]    |               ^^^^^^^^                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `fset` and `fvec`
[INFO] [stdout]   --> src/prelude.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Feature, f, fset, fvec,
[INFO] [stdout]    |                 ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `token_based_merge`
[INFO] [stdout]   --> src/prelude.rs:26:38
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub(crate) use crate::ops::{ select, token_based_merge, triggered_merge, is_strong_phase, transfer, cyclic_transfer };
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ContainedSyntacticObjects`, `ILanguage`, `Lexicon`, `UniversalGrammar`, `is_derivation`, `li`, `lit`, and `w`
[INFO] [stdout]   --> src/prelude.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     Lexicon, UniversalGrammar, ILanguage, Stage, is_derivation, Workspace, w,
[INFO] [stdout]    |     ^^^^^^^  ^^^^^^^^^^^^^^^^  ^^^^^^^^^         ^^^^^^^^^^^^^             ^
[INFO] [stdout] 29 |     li::{ LexicalItem, li },
[INFO] [stdout]    |                        ^^
[INFO] [stdout] 30 |     lit::{ LexicalItemToken, lit },
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 31 |     so::{ SyntacticObject, ContainedSyntacticObjects, SOPrefixFormatter, so },
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BasicTriggers`
[INFO] [stdout]   --> src/prelude.rs:33:43
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub(crate) use crate::labels::{ Triggers, BasicTriggers };
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `converges_ci`, `converges_sm`, and `converges`
[INFO] [stdout]   --> src/prelude.rs:34:31
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub(crate) use crate::conv::{ converges_ci, converges_sm, converges };
[INFO] [stdout]    |                               ^^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Deref`
[INFO] [stdout]  --> src/labels/mod.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{ Deref };
[INFO] [stdout]   |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ops/mod.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |             let mut pf1 = 
[INFO] [stdout]     |                 ----^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ops/mod.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |             let mut pf2 =
[INFO] [stdout]     |                 ----^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ops/mod.rs:213:62
[INFO] [stdout]     |
[INFO] [stdout] 213 | fn unwind_and_transfer<T: Triggers>(phase: &SyntacticObject, mut so: SyntacticObject, head: &SyntacticObject, w: &Workspace) -> Res...
[INFO] [stdout]     |                                                              ----^^
[INFO] [stdout]     |                                                              |
[INFO] [stdout]     |                                                              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w1`
[INFO] [stdout]    --> src/deriv/mod.rs:220:29
[INFO] [stdout]     |
[INFO] [stdout] 220 |     let Stage { la: la1, w: w1 } = stage1;
[INFO] [stdout]     |                             ^^ help: if this is intentional, prefix it with an underscore: `_w1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `la2`
[INFO] [stdout]    --> src/deriv/mod.rs:221:21
[INFO] [stdout]     |
[INFO] [stdout] 221 |     let Stage { la: la2, w: w2 } = stage2;
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_la2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cands v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `w2`
[INFO] [stdout]    --> src/deriv/mod.rs:221:29
[INFO] [stdout]     |
[INFO] [stdout] 221 |     let Stage { la: la2, w: w2 } = stage2;
[INFO] [stdout]     |                             ^^ help: if this is intentional, prefix it with an underscore: `_w2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `so2`
[INFO] [stdout]    --> src/deriv/mod.rs:438:35
[INFO] [stdout]     |
[INFO] [stdout] 438 |                         .filter(|(so2, so4)| {
[INFO] [stdout]     |                                   ^^^ help: if this is intentional, prefix it with an underscore: `_so2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ug`
[INFO] [stdout]    --> src/deriv/mod.rs:533:26
[INFO] [stdout]     |
[INFO] [stdout] 533 |     let ILanguage { lex, ug, .. } = il;
[INFO] [stdout]     |                          ^^ help: try ignoring the field: `ug: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `la1`
[INFO] [stdout]    --> src/deriv/mod.rs:566:25
[INFO] [stdout]     |
[INFO] [stdout] 566 |         let Stage { la: la1, w: w1 } = stage1;
[INFO] [stdout]     |                         ^^^ help: if this is intentional, prefix it with an underscore: `_la1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w1`
[INFO] [stdout]    --> src/deriv/mod.rs:566:33
[INFO] [stdout]     |
[INFO] [stdout] 566 |         let Stage { la: la1, w: w1 } = stage1;
[INFO] [stdout]     |                                 ^^ help: if this is intentional, prefix it with an underscore: `_w1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `la2`
[INFO] [stdout]    --> src/deriv/mod.rs:567:25
[INFO] [stdout]     |
[INFO] [stdout] 567 |         let Stage { la: la2, w: w2 } = stage2;
[INFO] [stdout]     |                         ^^^ help: if this is intentional, prefix it with an underscore: `_la2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w2`
[INFO] [stdout]    --> src/deriv/mod.rs:567:33
[INFO] [stdout]     |
[INFO] [stdout] 567 |         let Stage { la: la2, w: w2 } = stage2;
[INFO] [stdout]     |                                 ^^ help: if this is intentional, prefix it with an underscore: `_w2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/deriv/mod.rs:139:26
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn contained_sos(&self, pic_compliant: bool) -> ContainedSyntacticObjects {
[INFO] [stdout]     |                          ^^^^^                          ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn contained_sos(&self, pic_compliant: bool) -> ContainedSyntacticObjects<'_> {
[INFO] [stdout]     |                                                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/deriv/so.rs:218:26
[INFO] [stdout]     |
[INFO] [stdout] 218 |     pub fn contained_sos(&self, start_with_self: bool, pic_compliant: bool) -> ContainedSyntacticObjects {
[INFO] [stdout]     |                          ^^^^^ the lifetime is elided here                     ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 218 |     pub fn contained_sos(&self, start_with_self: bool, pic_compliant: bool) -> ContainedSyntacticObjects<'_> {
[INFO] [stdout]     |                                                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `my_trace`
[INFO] [stdout]   --> src/utils.rs:52:14
[INFO] [stdout]    |
[INFO] [stdout] 52 | macro_rules! my_trace {
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `my_error`
[INFO] [stdout]   --> src/utils.rs:82:14
[INFO] [stdout]    |
[INFO] [stdout] 82 | macro_rules! my_error {
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PhantomData`
[INFO] [stdout]  --> src/ops/mod.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::marker::{ PhantomData };
[INFO] [stdout]   |                    ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter`
[INFO] [stdout]  --> src/ops/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/ops/mod.rs:152:24
[INFO] [stdout]     |
[INFO] [stdout] 152 |                     if (x2.is_complement_of::<T>(x1, so, w) ||
[INFO] [stdout]     |                        ^
[INFO] [stdout] 153 |                         x1.is_specifier_of::<T>(x2, so, w)) {
[INFO] [stdout]     |                                                           ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 152 ~                     if x2.is_complement_of::<T>(x1, so, w) ||
[INFO] [stdout] 153 ~                         x1.is_specifier_of::<T>(x2, so, w)  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/ops/mod.rs:157:29
[INFO] [stdout]     |
[INFO] [stdout] 157 |                     else if (x1.is_complement_of::<T>(x2, so, w) ||
[INFO] [stdout]     |                             ^
[INFO] [stdout] 158 |                         x2.is_specifier_of::<T>(x1, so, w)) {
[INFO] [stdout]     |                                                           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 157 ~                     else if x1.is_complement_of::<T>(x2, so, w) ||
[INFO] [stdout] 158 ~                         x2.is_specifier_of::<T>(x1, so, w)  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `my_error` and `my_trace`
[INFO] [stdout]   --> src/prelude.rs:16:15
[INFO] [stdout]    |
[INFO] [stdout] 16 |     inc, dec, my_trace, my_debug, my_info, my_error,
[INFO] [stdout]    |               ^^^^^^^^                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `token_based_merge`
[INFO] [stdout]   --> src/prelude.rs:26:38
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub(crate) use crate::ops::{ select, token_based_merge, triggered_merge, is_strong_phase, transfer, cyclic_transfer };
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Lexicon`
[INFO] [stdout]   --> src/prelude.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     Lexicon, UniversalGrammar, ILanguage, Stage, is_derivation, Workspace, w,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `converges_ci` and `converges_sm`
[INFO] [stdout]   --> src/prelude.rs:34:31
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub(crate) use crate::conv::{ converges_ci, converges_sm, converges };
[INFO] [stdout]    |                               ^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Deref`
[INFO] [stdout]  --> src/labels/mod.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{ Deref };
[INFO] [stdout]   |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ops/mod.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |             let mut pf1 = 
[INFO] [stdout]     |                 ----^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ops/mod.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |             let mut pf2 =
[INFO] [stdout]     |                 ----^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ops/mod.rs:213:62
[INFO] [stdout]     |
[INFO] [stdout] 213 | fn unwind_and_transfer<T: Triggers>(phase: &SyntacticObject, mut so: SyntacticObject, head: &SyntacticObject, w: &Workspace) -> Res...
[INFO] [stdout]     |                                                              ----^^
[INFO] [stdout]     |                                                              |
[INFO] [stdout]     |                                                              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/deriv/so.rs:825:17
[INFO] [stdout]     |
[INFO] [stdout] 825 |             let b = so!(lit!(li!("B")));
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w1`
[INFO] [stdout]    --> src/deriv/mod.rs:220:29
[INFO] [stdout]     |
[INFO] [stdout] 220 |     let Stage { la: la1, w: w1 } = stage1;
[INFO] [stdout]     |                             ^^ help: if this is intentional, prefix it with an underscore: `_w1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `la2`
[INFO] [stdout]    --> src/deriv/mod.rs:221:21
[INFO] [stdout]     |
[INFO] [stdout] 221 |     let Stage { la: la2, w: w2 } = stage2;
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_la2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w2`
[INFO] [stdout]    --> src/deriv/mod.rs:221:29
[INFO] [stdout]     |
[INFO] [stdout] 221 |     let Stage { la: la2, w: w2 } = stage2;
[INFO] [stdout]     |                             ^^ help: if this is intentional, prefix it with an underscore: `_w2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `so2`
[INFO] [stdout]    --> src/deriv/mod.rs:438:35
[INFO] [stdout]     |
[INFO] [stdout] 438 |                         .filter(|(so2, so4)| {
[INFO] [stdout]     |                                   ^^^ help: if this is intentional, prefix it with an underscore: `_so2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ug`
[INFO] [stdout]    --> src/deriv/mod.rs:533:26
[INFO] [stdout]     |
[INFO] [stdout] 533 |     let ILanguage { lex, ug, .. } = il;
[INFO] [stdout]     |                          ^^ help: try ignoring the field: `ug: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `la1`
[INFO] [stdout]    --> src/deriv/mod.rs:566:25
[INFO] [stdout]     |
[INFO] [stdout] 566 |         let Stage { la: la1, w: w1 } = stage1;
[INFO] [stdout]     |                         ^^^ help: if this is intentional, prefix it with an underscore: `_la1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w1`
[INFO] [stdout]    --> src/deriv/mod.rs:566:33
[INFO] [stdout]     |
[INFO] [stdout] 566 |         let Stage { la: la1, w: w1 } = stage1;
[INFO] [stdout]     |                                 ^^ help: if this is intentional, prefix it with an underscore: `_w1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `la2`
[INFO] [stdout]    --> src/deriv/mod.rs:567:25
[INFO] [stdout]     |
[INFO] [stdout] 567 |         let Stage { la: la2, w: w2 } = stage2;
[INFO] [stdout]     |                         ^^^ help: if this is intentional, prefix it with an underscore: `_la2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w2`
[INFO] [stdout]    --> src/deriv/mod.rs:567:33
[INFO] [stdout]     |
[INFO] [stdout] 567 |         let Stage { la: la2, w: w2 } = stage2;
[INFO] [stdout]     |                                 ^^ help: if this is intentional, prefix it with an underscore: `_w2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/deriv/mod.rs:139:26
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn contained_sos(&self, pic_compliant: bool) -> ContainedSyntacticObjects {
[INFO] [stdout]     |                          ^^^^^                          ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn contained_sos(&self, pic_compliant: bool) -> ContainedSyntacticObjects<'_> {
[INFO] [stdout]     |                                                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/deriv/so.rs:218:26
[INFO] [stdout]     |
[INFO] [stdout] 218 |     pub fn contained_sos(&self, start_with_self: bool, pic_compliant: bool) -> ContainedSyntacticObjects {
[INFO] [stdout]     |                          ^^^^^ the lifetime is elided here                     ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 218 |     pub fn contained_sos(&self, start_with_self: bool, pic_compliant: bool) -> ContainedSyntacticObjects<'_> {
[INFO] [stdout]     |                                                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.78s
[INFO] running `Command { std: "docker" "inspect" "81b1992a0f6e54007c486bb52f3bf2ccd9d098689e58cadd907e54092bbe93ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81b1992a0f6e54007c486bb52f3bf2ccd9d098689e58cadd907e54092bbe93ac", kill_on_drop: false }`
[INFO] [stdout] 81b1992a0f6e54007c486bb52f3bf2ccd9d098689e58cadd907e54092bbe93ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] acc07e607a981b785b852d58a7db750f737dcd05c4ae6452c67d2f4ea5109b4c
[INFO] running `Command { std: "docker" "start" "-a" "acc07e607a981b785b852d58a7db750f737dcd05c4ae6452c67d2f4ea5109b4c", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `has_receiver`
[INFO] [stderr]   --> subcrates/logwrap/src/lib.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let has_receiver = wrapper.sig.receiver().is_some();
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_has_receiver`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `logwrap` (lib) generated 1 warning (run `cargo fix --lib -p logwrap` to apply 1 suggestion)
[INFO] [stderr] warning: unused macro definition: `my_trace`
[INFO] [stderr]   --> src/utils.rs:52:14
[INFO] [stderr]    |
[INFO] [stderr] 52 | macro_rules! my_trace {
[INFO] [stderr]    |              ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition: `my_error`
[INFO] [stderr]   --> src/utils.rs:82:14
[INFO] [stderr]    |
[INFO] [stderr] 82 | macro_rules! my_error {
[INFO] [stderr]    |              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `PhantomData`
[INFO] [stderr]  --> src/ops/mod.rs:1:20
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::marker::{ PhantomData };
[INFO] [stderr]   |                    ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter`
[INFO] [stderr]  --> src/ops/mod.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::iter;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/ops/mod.rs:152:24
[INFO] [stderr]     |
[INFO] [stderr] 152 |                     if (x2.is_complement_of::<T>(x1, so, w) ||
[INFO] [stderr]     |                        ^
[INFO] [stderr] 153 |                         x1.is_specifier_of::<T>(x2, so, w)) {
[INFO] [stderr]     |                                                           ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 152 ~                     if x2.is_complement_of::<T>(x1, so, w) ||
[INFO] [stderr] 153 ~                         x1.is_specifier_of::<T>(x2, so, w)  {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/ops/mod.rs:157:29
[INFO] [stderr]     |
[INFO] [stderr] 157 |                     else if (x1.is_complement_of::<T>(x2, so, w) ||
[INFO] [stderr]     |                             ^
[INFO] [stderr] 158 |                         x2.is_specifier_of::<T>(x1, so, w)) {
[INFO] [stderr]     |                                                           ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 157 ~                     else if x1.is_complement_of::<T>(x2, so, w) ||
[INFO] [stderr] 158 ~                         x2.is_specifier_of::<T>(x1, so, w)  {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition: `w`
[INFO] [stderr]   --> src/deriv/mod.rs:98:14
[INFO] [stderr]    |
[INFO] [stderr] 98 | macro_rules! w {
[INFO] [stderr]    |              ^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `my_error` and `my_trace`
[INFO] [stderr]   --> src/prelude.rs:16:15
[INFO] [stderr]    |
[INFO] [stderr] 16 |     inc, dec, my_trace, my_debug, my_info, my_error,
[INFO] [stderr]    |               ^^^^^^^^                     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `fset` and `fvec`
[INFO] [stderr]   --> src/prelude.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 19 |     Feature, f, fset, fvec,
[INFO] [stderr]    |                 ^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `token_based_merge`
[INFO] [stderr]   --> src/prelude.rs:26:38
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub(crate) use crate::ops::{ select, token_based_merge, triggered_merge, is_strong_phase, transfer, cyclic_transfer };
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ContainedSyntacticObjects`, `ILanguage`, `Lexicon`, `UniversalGrammar`, `is_derivation`, `li`, `lit`, and `w`
[INFO] [stderr]   --> src/prelude.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     Lexicon, UniversalGrammar, ILanguage, Stage, is_derivation, Workspace, w,
[INFO] [stderr]    |     ^^^^^^^  ^^^^^^^^^^^^^^^^  ^^^^^^^^^         ^^^^^^^^^^^^^             ^
[INFO] [stderr] 29 |     li::{ LexicalItem, li },
[INFO] [stderr]    |                        ^^
[INFO] [stderr] 30 |     lit::{ LexicalItemToken, lit },
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 31 |     so::{ SyntacticObject, ContainedSyntacticObjects, SOPrefixFormatter, so },
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BasicTriggers`
[INFO] [stderr]   --> src/prelude.rs:33:43
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub(crate) use crate::labels::{ Triggers, BasicTriggers };
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `converges_ci`, `converges_sm`, and `converges`
[INFO] [stderr]   --> src/prelude.rs:34:31
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub(crate) use crate::conv::{ converges_ci, converges_sm, converges };
[INFO] [stderr]    |                               ^^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Deref`
[INFO] [stderr]  --> src/labels/mod.rs:1:17
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ops::{ Deref };
[INFO] [stderr]   |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ops/mod.rs:127:17
[INFO] [stderr]     |
[INFO] [stderr] 127 |             let mut pf1 = 
[INFO] [stderr]     |                 ----^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ops/mod.rs:135:17
[INFO] [stderr]     |
[INFO] [stderr] 135 |             let mut pf2 =
[INFO] [stderr]     |                 ----^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ops/mod.rs:213:62
[INFO] [stderr]     |
[INFO] [stderr] 213 | fn unwind_and_transfer<T: Triggers>(phase: &SyntacticObject, mut so: SyntacticObject, head: &SyntacticObject, w: &Workspace) -> Res...
[INFO] [stderr]     |                                                              ----^^
[INFO] [stderr]     |                                                              |
[INFO] [stderr]     |                                                              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `w1`
[INFO] [stderr]    --> src/deriv/mod.rs:220:29
[INFO] [stderr]     |
[INFO] [stderr] 220 |     let Stage { la: la1, w: w1 } = stage1;
[INFO] [stderr]     |                             ^^ help: if this is intentional, prefix it with an underscore: `_w1`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `la2`
[INFO] [stderr]    --> src/deriv/mod.rs:221:21
[INFO] [stderr]     |
[INFO] [stderr] 221 |     let Stage { la: la2, w: w2 } = stage2;
[INFO] [stderr]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_la2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `w2`
[INFO] [stderr]    --> src/deriv/mod.rs:221:29
[INFO] [stderr]     |
[INFO] [stderr] 221 |     let Stage { la: la2, w: w2 } = stage2;
[INFO] [stderr]     |                             ^^ help: if this is intentional, prefix it with an underscore: `_w2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `so2`
[INFO] [stderr]    --> src/deriv/mod.rs:438:35
[INFO] [stderr]     |
[INFO] [stderr] 438 |                         .filter(|(so2, so4)| {
[INFO] [stderr]     |                                   ^^^ help: if this is intentional, prefix it with an underscore: `_so2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ug`
[INFO] [stderr]    --> src/deriv/mod.rs:533:26
[INFO] [stderr]     |
[INFO] [stderr] 533 |     let ILanguage { lex, ug, .. } = il;
[INFO] [stderr]     |                          ^^ help: try ignoring the field: `ug: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `la1`
[INFO] [stderr]    --> src/deriv/mod.rs:566:25
[INFO] [stderr]     |
[INFO] [stderr] 566 |         let Stage { la: la1, w: w1 } = stage1;
[INFO] [stderr]     |                         ^^^ help: if this is intentional, prefix it with an underscore: `_la1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `w1`
[INFO] [stderr]    --> src/deriv/mod.rs:566:33
[INFO] [stderr]     |
[INFO] [stderr] 566 |         let Stage { la: la1, w: w1 } = stage1;
[INFO] [stderr]     |                                 ^^ help: if this is intentional, prefix it with an underscore: `_w1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `la2`
[INFO] [stderr]    --> src/deriv/mod.rs:567:25
[INFO] [stderr]     |
[INFO] [stderr] 567 |         let Stage { la: la2, w: w2 } = stage2;
[INFO] [stderr]     |                         ^^^ help: if this is intentional, prefix it with an underscore: `_la2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `w2`
[INFO] [stderr]    --> src/deriv/mod.rs:567:33
[INFO] [stderr]     |
[INFO] [stderr] 567 |         let Stage { la: la2, w: w2 } = stage2;
[INFO] [stderr]     |                                 ^^ help: if this is intentional, prefix it with an underscore: `_w2`
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/deriv/mod.rs:139:26
[INFO] [stderr]     |
[INFO] [stderr] 139 |     pub fn contained_sos(&self, pic_compliant: bool) -> ContainedSyntacticObjects {
[INFO] [stderr]     |                          ^^^^^                          ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                          |
[INFO] [stderr]     |                          the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 139 |     pub fn contained_sos(&self, pic_compliant: bool) -> ContainedSyntacticObjects<'_> {
[INFO] [stderr]     |                                                                                  ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/deriv/so.rs:218:26
[INFO] [stderr]     |
[INFO] [stderr] 218 |     pub fn contained_sos(&self, start_with_self: bool, pic_compliant: bool) -> ContainedSyntacticObjects {
[INFO] [stderr]     |                          ^^^^^ the lifetime is elided here                     ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 218 |     pub fn contained_sos(&self, start_with_self: bool, pic_compliant: bool) -> ContainedSyntacticObjects<'_> {
[INFO] [stderr]     |                                                                                                         ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `cands` (lib) generated 28 warnings (run `cargo fix --lib -p cands` to apply 25 suggestions)
[INFO] [stderr] warning: unused import: `Lexicon`
[INFO] [stderr]   --> src/prelude.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     Lexicon, UniversalGrammar, ILanguage, Stage, is_derivation, Workspace, w,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `converges_ci` and `converges_sm`
[INFO] [stderr]   --> src/prelude.rs:34:31
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub(crate) use crate::conv::{ converges_ci, converges_sm, converges };
[INFO] [stderr]    |                               ^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/deriv/so.rs:825:17
[INFO] [stderr]     |
[INFO] [stderr] 825 |             let b = so!(lit!(li!("B")));
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `w1`
[INFO] [stderr]    --> src/deriv/mod.rs:220:29
[INFO] [stderr]     |
[INFO] [stderr] 220 |     let Stage { la: la1, w: w1 } = stage1;
[INFO] [stderr]     |                             ^^ help: if this is intentional, prefix it with an underscore: `_w1`
[INFO] [stderr] 
[INFO] [stderr] warning: `cands` (lib test) generated 26 warnings (22 duplicates) (run `cargo fix --lib -p cands --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cands-5a0a60f9f370a4ee)
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test deriv::li::tests::li::alex_with_shorthand ... ok
[INFO] [stdout] test deriv::li::tests::li::display_alex ... ok
[INFO] [stdout] test deriv::li::tests::li::alex ... ok
[INFO] [stdout] test deriv::li::tests::li::display_alex_with_shorthand ... ok
[INFO] [stdout] test deriv::li::tests::li::empty_with_shorthand ... ok
[INFO] [stdout] test deriv::lit::tests::lit::alex ... ok
[INFO] [stdout] test deriv::lit::tests::lit::display_alex ... ok
[INFO] [stdout] test deriv::lit::tests::lit::display_alex_with_shorthand ... ok
[INFO] [stdout] test deriv::lit::tests::lit::alex_with_shorthand ... ok
[INFO] [stdout] test deriv::so::tests::config::c_commands2 ... ok
[INFO] [stdout] test deriv::so::tests::config::c_commands1 ... ok
[INFO] [stdout] test deriv::so::tests::config::is_root ... ok
[INFO] [stdout] test deriv::so::tests::config::lit_contains ... ok
[INFO] [stdout] test deriv::so::tests::config::set_immediately_contains ... ok
[INFO] [stdout] test deriv::so::tests::config::sisters_with ... ok
[INFO] [stdout] test deriv::so::tests::iter::contained_sos1 ... ok
[INFO] [stdout] test feature::tests::fset::empty_fset ... ok
[INFO] [stdout] test feature::tests::fset::three_elems ... ok
[INFO] [stdout] test deriv::so::tests::iter::contained_sos3 ... ok
[INFO] [stdout] test tests::basic_select_tests::select_word ... ok
[INFO] [stdout] test feature::tests::fset::dedup ... ok
[INFO] [stdout] test utils::tests::set::empty_usize_set ... ok
[INFO] [stdout] test utils::tests::set::three_elems ... ok
[INFO] [stdout] test deriv::so::tests::config::set_contains ... ok
[INFO] [stdout] test utils::tests::set::dedup ... ok
[INFO] [stdout] test deriv::so::tests::iter::contained_sos2 ... ok
[INFO] [stdout] test deriv::so::tests::config::lit_immediately_contains ... ok
[INFO] [stdout] test deriv::so::tests::so::display ... ok
[INFO] [stdout] test tests::derivck_tests::test1 ... ok
[INFO] [stderr]    Doc-tests cands
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/ops/mod.rs:152:24
[INFO] [stderr]     |
[INFO] [stderr] 152 |                     if (x2.is_complement_of::<T>(x1, so, w) ||
[INFO] [stderr]     |                        ^
[INFO] [stderr] 153 |                         x1.is_specifier_of::<T>(x2, so, w)) {
[INFO] [stderr]     |                                                           ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 152 ~                     if x2.is_complement_of::<T>(x1, so, w) ||
[INFO] [stderr] 153 ~                         x1.is_specifier_of::<T>(x2, so, w)  {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/ops/mod.rs:157:29
[INFO] [stderr]     |
[INFO] [stderr] 157 |                     else if (x1.is_complement_of::<T>(x2, so, w) ||
[INFO] [stderr]     |                             ^
[INFO] [stderr] 158 |                         x2.is_specifier_of::<T>(x1, so, w)) {
[INFO] [stderr]     |                                                           ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 157 ~                     else if x1.is_complement_of::<T>(x2, so, w) ||
[INFO] [stderr] 158 ~                         x2.is_specifier_of::<T>(x1, so, w)  {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/feature.rs - feature::fset (line 61) ... FAILED
[INFO] [stdout] test src/deriv/lit.rs - deriv::lit::lit (line 44) ... FAILED
[INFO] [stdout] test src/deriv/li.rs - deriv::li::li (line 98) ... FAILED
[INFO] [stdout] test src/deriv/so.rs - deriv::so::so (line 67) ... FAILED
[INFO] [stdout] test src/deriv/so.rs - deriv::so::so (line 57) - compile fail ... ok
[INFO] [stdout] test src/feature.rs - feature::fvec (line 81) ... FAILED
[INFO] [stdout] test src/deriv/so.rs - deriv::so::so (line 76) - compile fail ... ok
[INFO] [stdout] test src/feature.rs - feature::f (line 43) ... FAILED
[INFO] [stdout] test src/deriv/li.rs - deriv::li::li (line 92) ... FAILED
[INFO] [stdout] test src/deriv/so.rs - deriv::so::so (line 49) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/feature.rs - feature::fset (line 61) stdout ----
[INFO] [stdout] error: cannot find macro `fset` in this scope
[INFO] [stdout]   --> src/feature.rs:62:1
[INFO] [stdout]    |
[INFO] [stdout] 62 | fset!("n", "+voiced", "EPP")
[INFO] [stdout]    | ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]    |
[INFO] [stdout] 61 + use cands::fset;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/deriv/lit.rs - deriv::lit::lit (line 44) stdout ----
[INFO] [stdout] error: cannot find macro `lit` in this scope
[INFO] [stdout]   --> src/deriv/lit.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | lit!(li!(; "n", "EPP"; "-voice"; "book"), 1)
[INFO] [stdout]    | ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]    |
[INFO] [stdout] 44 + use cands::lit;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/deriv/li.rs - deriv::li::li (line 98) stdout ----
[INFO] [stdout] error: cannot find macro `li` in this scope
[INFO] [stdout]   --> src/deriv/li.rs:99:1
[INFO] [stdout]    |
[INFO] [stdout] 99 | li!(; "n", "EPP"; "-voice"; "book")
[INFO] [stdout]    | ^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]    |
[INFO] [stdout] 98 + use cands::li;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/deriv/so.rs - deriv::so::so (line 67) stdout ----
[INFO] [stdout] error: cannot find macro `so` in this scope
[INFO] [stdout]   --> src/deriv/so.rs:68:1
[INFO] [stdout]    |
[INFO] [stdout] 68 | so!(
[INFO] [stdout]    | ^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/feature.rs - feature::fvec (line 81) stdout ----
[INFO] [stdout] error: cannot find macro `fvec` in this scope
[INFO] [stdout]   --> src/feature.rs:82:1
[INFO] [stdout]    |
[INFO] [stdout] 82 | fvec!["n", "+voiced", "EPP"]
[INFO] [stdout]    | ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/alloc/src/macros.rs:42:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: similarly named macro `vec` defined here
[INFO] [stdout] help: a macro with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 82 - fvec!["n", "+voiced", "EPP"]
[INFO] [stdout] 82 + vec!["n", "+voiced", "EPP"]
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]    |
[INFO] [stdout] 81 + use cands::fvec;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/feature.rs - feature::f (line 43) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Feature`
[INFO] [stdout]   --> src/feature.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | cands::f!("wh")
[INFO] [stdout]    | ^^^^^^^^^^^^^^^ use of undeclared type `Feature`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `cands::f` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 42 + use cands::feature::Feature;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/deriv/li.rs - deriv::li::li (line 92) stdout ----
[INFO] [stdout] error: cannot find macro `li` in this scope
[INFO] [stdout]   --> src/deriv/li.rs:93:1
[INFO] [stdout]    |
[INFO] [stdout] 93 | li!(; "n", "EPP"; "-voice")
[INFO] [stdout]    | ^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]    |
[INFO] [stdout] 92 + use cands::li;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/deriv/so.rs - deriv::so::so (line 49) stdout ----
[INFO] [stdout] error: cannot find macro `so` in this scope
[INFO] [stdout]   --> src/deriv/so.rs:50:1
[INFO] [stdout]    |
[INFO] [stdout] 50 | so!(
[INFO] [stdout]    | ^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/deriv/li.rs - deriv::li::li (line 92)
[INFO] [stdout]     src/deriv/li.rs - deriv::li::li (line 98)
[INFO] [stdout]     src/deriv/lit.rs - deriv::lit::lit (line 44)
[INFO] [stdout]     src/deriv/so.rs - deriv::so::so (line 49)
[INFO] [stdout]     src/deriv/so.rs - deriv::so::so (line 67)
[INFO] [stdout]     src/feature.rs - feature::f (line 43)
[INFO] [stdout]     src/feature.rs - feature::fset (line 61)
[INFO] [stdout]     src/feature.rs - feature::fvec (line 81)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 8 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.40s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "acc07e607a981b785b852d58a7db750f737dcd05c4ae6452c67d2f4ea5109b4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acc07e607a981b785b852d58a7db750f737dcd05c4ae6452c67d2f4ea5109b4c", kill_on_drop: false }`
[INFO] [stdout] acc07e607a981b785b852d58a7db750f737dcd05c4ae6452c67d2f4ea5109b4c
