[INFO] cloning repository https://github.com/spica314/neco3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/spica314/neco3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspica314%2Fneco3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspica314%2Fneco3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 646fcf82146cb0f76cfc9ff7a695b561de1a515d
[INFO] testing spica314/neco3 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspica314%2Fneco3" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/spica314/neco3 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/spica314/neco3
[INFO] finished tweaking git repo https://github.com/spica314/neco3
[INFO] tweaked toml for git repo https://github.com/spica314/neco3 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/spica314/neco3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16631df498524e45688d540fea30779df45a192e688d1fcc61bec56d23d81db3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "16631df498524e45688d540fea30779df45a192e688d1fcc61bec56d23d81db3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16631df498524e45688d540fea30779df45a192e688d1fcc61bec56d23d81db3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16631df498524e45688d540fea30779df45a192e688d1fcc61bec56d23d81db3", kill_on_drop: false }`
[INFO] [stdout] 16631df498524e45688d540fea30779df45a192e688d1fcc61bec56d23d81db3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3bfb904bb6c7365b84799420de977507ea1479fae87ba511fc3186bf2b91bbbe
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3bfb904bb6c7365b84799420de977507ea1479fae87ba511fc3186bf2b91bbbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling neco-table v0.1.0 (/opt/rustwide/workdir/src/neco-table)
[INFO] [stderr]    Compiling neco v0.1.0 (/opt/rustwide/workdir/src/neco)
[INFO] [stderr]    Compiling neco-types-and-values v0.1.0 (/opt/rustwide/workdir/src/neco-types-and-values)
[INFO] [stderr]    Compiling neco-ir v0.1.0 (/opt/rustwide/workdir/src/neco-ir)
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/neco-types-and-values/src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/neco-types-and-values/src/bit_vector.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 33 |         self.len()
[INFO] [stdout]    |         ---------- recursive call site
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling neco-syn v0.1.0 (/opt/rustwide/workdir/src/neco-syn)
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `files`
[INFO] [stdout]  --> src/neco-syn/src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     files: Vec<ProgramFile>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling neco-syn-derive v0.1.0 (/opt/rustwide/workdir/src/neco-syn-derive)
[INFO] [stdout] warning: unused variable: `first_ty`
[INFO] [stdout]    --> src/neco-syn-derive/src/lib.rs:134:25
[INFO] [stdout]     |
[INFO] [stdout] 134 |                     let first_ty = fields_unnamed.unnamed.iter().next().unwrap().clone().ty;
[INFO] [stdout]     |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_ty`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data_struct`
[INFO] [stdout]    --> src/neco-syn-derive/src/lib.rs:219:22
[INFO] [stdout]     |
[INFO] [stdout] 219 |         Data::Struct(data_struct) => {
[INFO] [stdout]     |                      ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_struct`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.53s
[INFO] running `Command { std: "docker" "inspect" "3bfb904bb6c7365b84799420de977507ea1479fae87ba511fc3186bf2b91bbbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bfb904bb6c7365b84799420de977507ea1479fae87ba511fc3186bf2b91bbbe", kill_on_drop: false }`
[INFO] [stdout] 3bfb904bb6c7365b84799420de977507ea1479fae87ba511fc3186bf2b91bbbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bd951ad2be451a152237f9a45a7aaf69298798621561e69f3df8d1c98cc2e57e
[INFO] running `Command { std: "docker" "start" "-a" "bd951ad2be451a152237f9a45a7aaf69298798621561e69f3df8d1c98cc2e57e", kill_on_drop: false }`
[INFO] [stderr]    Compiling neco-table v0.1.0 (/opt/rustwide/workdir/src/neco-table)
[INFO] [stderr]    Compiling neco-ir v0.1.0 (/opt/rustwide/workdir/src/neco-ir)
[INFO] [stderr]    Compiling neco v0.1.0 (/opt/rustwide/workdir/src/neco)
[INFO] [stderr]    Compiling neco-types-and-values v0.1.0 (/opt/rustwide/workdir/src/neco-types-and-values)
[INFO] [stderr]    Compiling neco-syn v0.1.0 (/opt/rustwide/workdir/src/neco-syn)
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/neco-types-and-values/src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/neco-types-and-values/src/bit_vector.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 33 |         self.len()
[INFO] [stdout]    |         ---------- recursive call site
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `files`
[INFO] [stdout]  --> src/neco-syn/src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     files: Vec<ProgramFile>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `first_ty`
[INFO] [stdout]    --> src/neco-syn-derive/src/lib.rs:134:25
[INFO] [stdout]     |
[INFO] [stdout] 134 |                     let first_ty = fields_unnamed.unnamed.iter().next().unwrap().clone().ty;
[INFO] [stdout]     |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_ty`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling neco-syn-derive v0.1.0 (/opt/rustwide/workdir/src/neco-syn-derive)
[INFO] [stdout] warning: unused variable: `data_struct`
[INFO] [stdout]    --> src/neco-syn-derive/src/lib.rs:219:22
[INFO] [stdout]     |
[INFO] [stdout] 219 |         Data::Struct(data_struct) => {
[INFO] [stdout]     |                      ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_struct`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `c`
[INFO] [stdout]  --> src/neco-syn-derive/tests/test001.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     c: char,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `c`
[INFO] [stdout]   --> src/neco-syn-derive/tests/test001.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     c: char,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ident`
[INFO] [stdout]   --> src/neco-syn-derive/tests/test001.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     ident: TokenLit,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `eq`
[INFO] [stdout]   --> src/neco-syn-derive/tests/test001.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     eq: TokenEq,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `expr`
[INFO] [stdout]   --> src/neco-syn-derive/tests/test001.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     expr: TokenLit,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `eq`
[INFO] [stdout]   --> src/neco-syn-derive/tests/test001.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     eq: TokenEq,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/neco-types-and-values/src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `first_ty`
[INFO] [stdout]    --> src/neco-syn-derive/src/lib.rs:134:25
[INFO] [stdout]     |
[INFO] [stdout] 134 |                     let first_ty = fields_unnamed.unnamed.iter().next().unwrap().clone().ty;
[INFO] [stdout]     |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_ty`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data_struct`
[INFO] [stdout]    --> src/neco-syn-derive/src/lib.rs:219:22
[INFO] [stdout]     |
[INFO] [stdout] 219 |         Data::Struct(data_struct) => {
[INFO] [stdout]     |                      ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_struct`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/neco-types-and-values/src/bit_vector.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 33 |         self.len()
[INFO] [stdout]    |         ---------- recursive call site
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `files`
[INFO] [stdout]  --> src/neco-syn/src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     files: Vec<ProgramFile>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.90s
[INFO] running `Command { std: "docker" "inspect" "bd951ad2be451a152237f9a45a7aaf69298798621561e69f3df8d1c98cc2e57e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd951ad2be451a152237f9a45a7aaf69298798621561e69f3df8d1c98cc2e57e", kill_on_drop: false }`
[INFO] [stdout] bd951ad2be451a152237f9a45a7aaf69298798621561e69f3df8d1c98cc2e57e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 420dff7c145f0362d8865c927c412c7f40603ec26ad50c4b9bc5080f93f59657
[INFO] running `Command { std: "docker" "start" "-a" "420dff7c145f0362d8865c927c412c7f40603ec26ad50c4b9bc5080f93f59657", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/neco-types-and-values/src/lib.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function cannot return without recursing
[INFO] [stderr]   --> src/neco-types-and-values/src/bit_vector.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn len(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stderr] 33 |         self.len()
[INFO] [stderr]    |         ---------- recursive call site
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stderr]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `files`
[INFO] [stderr]  --> src/neco-syn/src/lib.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     files: Vec<ProgramFile>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `neco-types-and-values` (lib) generated 2 warnings
[INFO] [stderr] warning: `neco-types-and-values` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: `neco-syn` (lib) generated 1 warning
[INFO] [stderr] warning: `neco-syn` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: unused variable: `first_ty`
[INFO] [stderr]    --> src/neco-syn-derive/src/lib.rs:134:25
[INFO] [stderr]     |
[INFO] [stderr] 134 |                     let first_ty = fields_unnamed.unnamed.iter().next().unwrap().clone().ty;
[INFO] [stderr]     |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_ty`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data_struct`
[INFO] [stderr]    --> src/neco-syn-derive/src/lib.rs:219:22
[INFO] [stderr]     |
[INFO] [stderr] 219 |         Data::Struct(data_struct) => {
[INFO] [stderr]     |                      ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_struct`
[INFO] [stderr] 
[INFO] [stderr] warning: `neco-syn-derive` (lib) generated 2 warnings
[INFO] [stderr] warning: `neco-syn-derive` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: field is never read: `c`
[INFO] [stderr]  --> src/neco-syn-derive/tests/test001.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     c: char,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `c`
[INFO] [stderr]   --> src/neco-syn-derive/tests/test001.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     c: char,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `ident`
[INFO] [stderr]   --> src/neco-syn-derive/tests/test001.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     ident: TokenLit,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `eq`
[INFO] [stderr]   --> src/neco-syn-derive/tests/test001.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     eq: TokenEq,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `expr`
[INFO] [stderr]   --> src/neco-syn-derive/tests/test001.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     expr: TokenLit,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `eq`
[INFO] [stderr]   --> src/neco-syn-derive/tests/test001.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     eq: TokenEq,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `neco-syn-derive` (test "test001") generated 6 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/neco-a46d0329edebbbe3)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/neco_ir-46ad2d3094c3d4bf)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/neco_syn-73877f37ff2c101e)
[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] [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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/neco_syn_derive-5b3194b47c4196b2)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test001.rs (/opt/rustwide/target/debug/deps/test001-f71e2a8a0c796e19)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test001_fail ... ok
[INFO] [stdout] test tests::test001_success_1 ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/neco_table-a8c84aa58fc7e8de)
[INFO] [stdout] test tests::test001_success_3 ... ok
[INFO] [stdout] test tests::test001_success_2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/neco_types_and_values-5f8e7ae2103a810d)
[INFO] [stdout] test tests::neco_table_test_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_annotator_1 ... ok
[INFO] [stderr]    Doc-tests neco-ir
[INFO] [stdout] test tests::test_annotator_2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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] [stderr]    Doc-tests neco-syn
[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] [stderr]    Doc-tests neco-syn-derive
[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] [stderr]    Doc-tests neco-table
[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] [stderr]    Doc-tests neco-types-and-values
[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" "420dff7c145f0362d8865c927c412c7f40603ec26ad50c4b9bc5080f93f59657", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "420dff7c145f0362d8865c927c412c7f40603ec26ad50c4b9bc5080f93f59657", kill_on_drop: false }`
[INFO] [stdout] 420dff7c145f0362d8865c927c412c7f40603ec26ad50c4b9bc5080f93f59657