[INFO] fetching crate ascesis 0.0.6...
[INFO] testing ascesis-0.0.6 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate ascesis 0.0.6 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate ascesis 0.0.6
[INFO] finished tweaking crates.io crate ascesis 0.0.6
[INFO] tweaked toml for crates.io crate ascesis 0.0.6 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ascesis 0.0.6 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ascesis 0.0.6 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a98c914d726da570e7b27381d24354e91cb15be3b5c9f98eb8596c958f80079a
[INFO] running `Command { std: "docker" "start" "-a" "a98c914d726da570e7b27381d24354e91cb15be3b5c9f98eb8596c958f80079a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a98c914d726da570e7b27381d24354e91cb15be3b5c9f98eb8596c958f80079a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a98c914d726da570e7b27381d24354e91cb15be3b5c9f98eb8596c958f80079a", kill_on_drop: false }`
[INFO] [stdout] a98c914d726da570e7b27381d24354e91cb15be3b5c9f98eb8596c958f80079a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ce1a2fbc82d6efb21fcc9f33cc5ef4f3b475e741d97562147b1cd5fecde7d68
[INFO] running `Command { std: "docker" "start" "-a" "3ce1a2fbc82d6efb21fcc9f33cc5ef4f3b475e741d97562147b1cd5fecde7d68", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling varisat-formula v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling siphasher v0.3.2
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling hashbrown v0.3.1
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling leb128 v0.2.4
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling vec_mut_scan v0.1.0
[INFO] [stderr]    Compiling beef v0.4.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling fern v0.6.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling bit-vec v0.6.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling sha2 v0.8.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling enquote v1.0.3
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling regex v1.3.6
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling partial_ref_derive v0.3.1
[INFO] [stderr]    Compiling partial_ref v0.3.1
[INFO] [stderr]    Compiling lalrpop-util v0.18.1
[INFO] [stderr]    Compiling varisat-internal-macros v0.2.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling logos-derive v0.11.0-rc5
[INFO] [stderr]    Compiling failure v0.1.7
[INFO] [stderr]    Compiling varisat-internal-proof v0.2.1
[INFO] [stderr]    Compiling varisat-dimacs v0.2.1
[INFO] [stderr]    Compiling varisat v0.2.1
[INFO] [stderr]    Compiling varisat-checker v0.2.1
[INFO] [stderr]    Compiling logos v0.11.0-rc5
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling string_cache v0.8.0
[INFO] [stderr]    Compiling lalrpop v0.18.1
[INFO] [stderr]    Compiling aces v0.0.13
[INFO] [stderr]    Compiling ascesis v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `str_strip` has been stable since 1.45.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(str_strip)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `min_through` is never read
[INFO] [stdout]    --> src/sentence.rs:146:5
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub struct RootedGenerator<'b, 'g: 'b> {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 146 |     min_through: HashMap<SymbolID, Option<usize>>, // nonterminal -> shortest length
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RootedGenerator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `path` is never read
[INFO] [stdout]   --> src/content.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct AscesisFormat {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 10 |     path: Option<PathBuf>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AscesisFormat` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/grammar.rs:159:22
[INFO] [stdout]     |
[INFO] [stdout] 159 |     pub fn terminals(&self) -> std::iter::Take<std::slice::Iter<String>> {
[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] 159 |     pub fn terminals(&self) -> std::iter::Take<std::slice::Iter<'_, String>> {
[INFO] [stdout]     |                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/grammar.rs:220:17
[INFO] [stdout]     |
[INFO] [stdout] 220 |     pub fn iter(&self) -> std::slice::Iter<Production> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 220 |     pub fn iter(&self) -> std::slice::Iter<'_, Production> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/sentence.rs:136:34
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub fn rooted<S: AsRef<str>>(&self, axiom: S) -> Result<RootedGenerator, String> {
[INFO] [stdout]     |                                  ^^^^^                      ^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                  |                          |
[INFO] [stdout]     |                                  |                          the same lifetime is hidden here
[INFO] [stdout]     |                                  |                          the same lifetime is hidden here
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub fn rooted<S: AsRef<str>>(&self, axiom: S) -> Result<RootedGenerator<'_>, String> {
[INFO] [stdout]     |                                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 51.93s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.18.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "3ce1a2fbc82d6efb21fcc9f33cc5ef4f3b475e741d97562147b1cd5fecde7d68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ce1a2fbc82d6efb21fcc9f33cc5ef4f3b475e741d97562147b1cd5fecde7d68", kill_on_drop: false }`
[INFO] [stdout] 3ce1a2fbc82d6efb21fcc9f33cc5ef4f3b475e741d97562147b1cd5fecde7d68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c8c11db60859cc74aea07b858db4b57a191db4b1e59ef94e03be65bbda5d0d5
[INFO] running `Command { std: "docker" "start" "-a" "0c8c11db60859cc74aea07b858db4b57a191db4b1e59ef94e03be65bbda5d0d5", kill_on_drop: false }`
[INFO] [stdout] warning: the feature `str_strip` has been stable since 1.45.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(str_strip)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `min_through` is never read
[INFO] [stdout]    --> src/sentence.rs:146:5
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub struct RootedGenerator<'b, 'g: 'b> {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 146 |     min_through: HashMap<SymbolID, Option<usize>>, // nonterminal -> shortest length
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RootedGenerator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `path` is never read
[INFO] [stdout]   --> src/content.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct AscesisFormat {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 10 |     path: Option<PathBuf>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AscesisFormat` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/grammar.rs:159:22
[INFO] [stdout]     |
[INFO] [stdout] 159 |     pub fn terminals(&self) -> std::iter::Take<std::slice::Iter<String>> {
[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] 159 |     pub fn terminals(&self) -> std::iter::Take<std::slice::Iter<'_, String>> {
[INFO] [stdout]     |                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/grammar.rs:220:17
[INFO] [stdout]     |
[INFO] [stdout] 220 |     pub fn iter(&self) -> std::slice::Iter<Production> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 220 |     pub fn iter(&self) -> std::slice::Iter<'_, Production> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/sentence.rs:136:34
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub fn rooted<S: AsRef<str>>(&self, axiom: S) -> Result<RootedGenerator, String> {
[INFO] [stdout]     |                                  ^^^^^                      ^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                  |                          |
[INFO] [stdout]     |                                  |                          the same lifetime is hidden here
[INFO] [stdout]     |                                  |                          the same lifetime is hidden here
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub fn rooted<S: AsRef<str>>(&self, axiom: S) -> Result<RootedGenerator<'_>, String> {
[INFO] [stdout]     |                                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ascesis v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `str_strip` has been stable since 1.45.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(str_strip)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `min_through` is never read
[INFO] [stdout]    --> src/sentence.rs:146:5
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub struct RootedGenerator<'b, 'g: 'b> {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 146 |     min_through: HashMap<SymbolID, Option<usize>>, // nonterminal -> shortest length
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RootedGenerator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `path` is never read
[INFO] [stdout]   --> src/content.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct AscesisFormat {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 10 |     path: Option<PathBuf>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AscesisFormat` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/grammar.rs:159:22
[INFO] [stdout]     |
[INFO] [stdout] 159 |     pub fn terminals(&self) -> std::iter::Take<std::slice::Iter<String>> {
[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] 159 |     pub fn terminals(&self) -> std::iter::Take<std::slice::Iter<'_, String>> {
[INFO] [stdout]     |                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/grammar.rs:220:17
[INFO] [stdout]     |
[INFO] [stdout] 220 |     pub fn iter(&self) -> std::slice::Iter<Production> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 220 |     pub fn iter(&self) -> std::slice::Iter<'_, Production> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/sentence.rs:136:34
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub fn rooted<S: AsRef<str>>(&self, axiom: S) -> Result<RootedGenerator, String> {
[INFO] [stdout]     |                                  ^^^^^                      ^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                  |                          |
[INFO] [stdout]     |                                  |                          the same lifetime is hidden here
[INFO] [stdout]     |                                  |                          the same lifetime is hidden here
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub fn rooted<S: AsRef<str>>(&self, axiom: S) -> Result<RootedGenerator<'_>, String> {
[INFO] [stdout]     |                                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 10.10s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.18.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "0c8c11db60859cc74aea07b858db4b57a191db4b1e59ef94e03be65bbda5d0d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c8c11db60859cc74aea07b858db4b57a191db4b1e59ef94e03be65bbda5d0d5", kill_on_drop: false }`
[INFO] [stdout] 0c8c11db60859cc74aea07b858db4b57a191db4b1e59ef94e03be65bbda5d0d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a480445847e1c54b1915568775edb9866d0b8839f36aaaf9a8e68593112e8f71
[INFO] running `Command { std: "docker" "start" "-a" "a480445847e1c54b1915568775edb9866d0b8839f36aaaf9a8e68593112e8f71", kill_on_drop: false }`
[INFO] [stderr] warning: the feature `str_strip` has been stable since 1.45.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(str_strip)]
[INFO] [stderr]   |            ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `min_through` is never read
[INFO] [stderr]    --> src/sentence.rs:146:5
[INFO] [stderr]     |
[INFO] [stderr] 143 | pub struct RootedGenerator<'b, 'g: 'b> {
[INFO] [stderr]     |            --------------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 146 |     min_through: HashMap<SymbolID, Option<usize>>, // nonterminal -> shortest length
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `RootedGenerator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `path` is never read
[INFO] [stderr]   --> src/content.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr]  9 | pub struct AscesisFormat {
[INFO] [stderr]    |            ------------- field in this struct
[INFO] [stderr] 10 |     path: Option<PathBuf>,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `AscesisFormat` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/grammar.rs:159:22
[INFO] [stderr]     |
[INFO] [stderr] 159 |     pub fn terminals(&self) -> std::iter::Take<std::slice::Iter<String>> {
[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] 159 |     pub fn terminals(&self) -> std::iter::Take<std::slice::Iter<'_, String>> {
[INFO] [stderr]     |                                                                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/grammar.rs:220:17
[INFO] [stderr]     |
[INFO] [stderr] 220 |     pub fn iter(&self) -> std::slice::Iter<Production> {
[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] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 220 |     pub fn iter(&self) -> std::slice::Iter<'_, Production> {
[INFO] [stderr]     |                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/sentence.rs:136:34
[INFO] [stderr]     |
[INFO] [stderr] 136 |     pub fn rooted<S: AsRef<str>>(&self, axiom: S) -> Result<RootedGenerator, String> {
[INFO] [stderr]     |                                  ^^^^^                      ^^^^^^^^^^^^^^^
[INFO] [stderr]     |                                  |                          |
[INFO] [stderr]     |                                  |                          the same lifetime is hidden here
[INFO] [stderr]     |                                  |                          the same lifetime is hidden here
[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] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 136 |     pub fn rooted<S: AsRef<str>>(&self, axiom: S) -> Result<RootedGenerator<'_>, String> {
[INFO] [stderr]     |                                                                            ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `ascesis` (lib) generated 6 warnings (run `cargo fix --lib -p ascesis` to apply 3 suggestions)
[INFO] [stderr] warning: `ascesis` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.18.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ascesis-a756d9257269f705)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test rex::tests::test_fit_arrow_sequence ... ok
[INFO] [stdout] test rex::tests::test_fit_fork ... ok
[INFO] [stdout] test rex::tests::test_fit_arrow ... ok
[INFO] [stdout] test polynomial::tests::test_poly ... ok
[INFO] [stdout] test rex::tests::test_rex_singles ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ascesis
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a480445847e1c54b1915568775edb9866d0b8839f36aaaf9a8e68593112e8f71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a480445847e1c54b1915568775edb9866d0b8839f36aaaf9a8e68593112e8f71", kill_on_drop: false }`
[INFO] [stdout] a480445847e1c54b1915568775edb9866d0b8839f36aaaf9a8e68593112e8f71
