[INFO] fetching crate caw_core 0.5.1...
[INFO] testing caw_core-0.5.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate caw_core 0.5.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate caw_core 0.5.1
[INFO] finished tweaking crates.io crate caw_core 0.5.1
[INFO] tweaked toml for crates.io crate caw_core 0.5.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate caw_core 0.5.1 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate caw_core 0.5.1 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09244b2876421dccbc4c1b935bb18355b9af58c3b7855e5d347718ad360d58cf
[INFO] running `Command { std: "docker" "start" "-a" "09244b2876421dccbc4c1b935bb18355b9af58c3b7855e5d347718ad360d58cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09244b2876421dccbc4c1b935bb18355b9af58c3b7855e5d347718ad360d58cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09244b2876421dccbc4c1b935bb18355b9af58c3b7855e5d347718ad360d58cf", kill_on_drop: false }`
[INFO] [stdout] 09244b2876421dccbc4c1b935bb18355b9af58c3b7855e5d347718ad360d58cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec4024c62166c2965c1e2b278b065b55ea30aca7502b941ae73501dcbf93d99a
[INFO] running `Command { std: "docker" "start" "-a" "ec4024c62166c2965c1e2b278b065b55ea30aca7502b941ae73501dcbf93d99a", kill_on_drop: false }`
[INFO] [stderr]    Compiling caw_core v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `SigConst` is never constructed
[INFO] [stdout]    --> src/sig.rs:363:12
[INFO] [stdout]     |
[INFO] [stdout] 363 | pub struct SigConst<T: Clone>(T);
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "ec4024c62166c2965c1e2b278b065b55ea30aca7502b941ae73501dcbf93d99a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec4024c62166c2965c1e2b278b065b55ea30aca7502b941ae73501dcbf93d99a", kill_on_drop: false }`
[INFO] [stdout] ec4024c62166c2965c1e2b278b065b55ea30aca7502b941ae73501dcbf93d99a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd57fad9f648bf3e530e87dd6d52bb210b383caa819ef51187cc8b7086919916
[INFO] running `Command { std: "docker" "start" "-a" "cd57fad9f648bf3e530e87dd6d52bb210b383caa819ef51187cc8b7086919916", kill_on_drop: false }`
[INFO] [stderr]    Compiling caw_core v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `SigConst` is never constructed
[INFO] [stdout]    --> src/sig.rs:363:12
[INFO] [stdout]     |
[INFO] [stdout] 363 | pub struct SigConst<T: Clone>(T);
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SigConst` is never constructed
[INFO] [stdout]    --> src/sig.rs:363:12
[INFO] [stdout]     |
[INFO] [stdout] 363 | pub struct SigConst<T: Clone>(T);
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "cd57fad9f648bf3e530e87dd6d52bb210b383caa819ef51187cc8b7086919916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd57fad9f648bf3e530e87dd6d52bb210b383caa819ef51187cc8b7086919916", kill_on_drop: false }`
[INFO] [stdout] cd57fad9f648bf3e530e87dd6d52bb210b383caa819ef51187cc8b7086919916
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] deeccc895a38ce4156d78617cf5e7f6becd588214f1bfb0d247cf45995b3b7af
[INFO] running `Command { std: "docker" "start" "-a" "deeccc895a38ce4156d78617cf5e7f6becd588214f1bfb0d247cf45995b3b7af", kill_on_drop: false }`
[INFO] [stderr] warning: struct `SigConst` is never constructed
[INFO] [stdout] 
[INFO] [stderr]    --> src/sig.rs:363:12
[INFO] [stdout] running 0 tests
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr] 363 | pub struct SigConst<T: Clone>(T);
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `caw_core` (lib) generated 1 warning
[INFO] [stderr] warning: `caw_core` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/caw_core-3d4511afaeeecd77)
[INFO] [stderr]    Doc-tests caw_core
[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" "deeccc895a38ce4156d78617cf5e7f6becd588214f1bfb0d247cf45995b3b7af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deeccc895a38ce4156d78617cf5e7f6becd588214f1bfb0d247cf45995b3b7af", kill_on_drop: false }`
[INFO] [stdout] deeccc895a38ce4156d78617cf5e7f6becd588214f1bfb0d247cf45995b3b7af