[INFO] fetching crate dancing-links 0.3.1...
[INFO] checking dancing-links-0.3.1 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate dancing-links 0.3.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate dancing-links 0.3.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate dancing-links 0.3.1
[INFO] tweaked toml for crates.io crate dancing-links 0.3.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dancing-links 0.3.1 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dancing-links 0.3.1 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e24feeedd3fcbe5b9f2c5afeb1ac3f0812a37e38ac192f4fbce084331010a8a2
[INFO] running `Command { std: "docker" "start" "-a" "e24feeedd3fcbe5b9f2c5afeb1ac3f0812a37e38ac192f4fbce084331010a8a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e24feeedd3fcbe5b9f2c5afeb1ac3f0812a37e38ac192f4fbce084331010a8a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e24feeedd3fcbe5b9f2c5afeb1ac3f0812a37e38ac192f4fbce084331010a8a2", kill_on_drop: false }`
[INFO] [stdout] e24feeedd3fcbe5b9f2c5afeb1ac3f0812a37e38ac192f4fbce084331010a8a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7355404175f1928e527e59d419649303e3c5975e210d9d22d1d0ef5a3f15936
[INFO] running `Command { std: "docker" "start" "-a" "a7355404175f1928e527e59d419649303e3c5975e210d9d22d1d0ef5a3f15936", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking bumpalo v3.17.0
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking dancing-links v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking env_filter v0.1.3
[INFO] [stderr]     Checking env_logger v0.11.7
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:42:15
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn solver(&self) -> Solver<Self>
[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] 42 |     fn solver(&self) -> Solver<'_, Self>
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:42:15
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn solver(&self) -> Solver<Self>
[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] 42 |     fn solver(&self) -> Solver<'_, Self>
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.26s
[INFO] running `Command { std: "docker" "inspect" "a7355404175f1928e527e59d419649303e3c5975e210d9d22d1d0ef5a3f15936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7355404175f1928e527e59d419649303e3c5975e210d9d22d1d0ef5a3f15936", kill_on_drop: false }`
[INFO] [stdout] a7355404175f1928e527e59d419649303e3c5975e210d9d22d1d0ef5a3f15936