[INFO] cloning repository https://github.com/VengeQ/categorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/VengeQ/categorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVengeQ%2Fcategorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVengeQ%2Fcategorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] afd457aaf98ec991278354bace8811f7b78c4ac1
[INFO] checking VengeQ/categorial against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVengeQ%2Fcategorial" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/VengeQ/categorial on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/VengeQ/categorial
[INFO] finished tweaking git repo https://github.com/VengeQ/categorial
[INFO] tweaked toml for git repo https://github.com/VengeQ/categorial written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/VengeQ/categorial 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eabeeb537deeaa9dbf25e78f13c740ba41d4ac13c49264b41c2f3fee461059ec
[INFO] running `Command { std: "docker" "start" "-a" "eabeeb537deeaa9dbf25e78f13c740ba41d4ac13c49264b41c2f3fee461059ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eabeeb537deeaa9dbf25e78f13c740ba41d4ac13c49264b41c2f3fee461059ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eabeeb537deeaa9dbf25e78f13c740ba41d4ac13c49264b41c2f3fee461059ec", kill_on_drop: false }`
[INFO] [stdout] eabeeb537deeaa9dbf25e78f13c740ba41d4ac13c49264b41c2f3fee461059ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6120d06234a23a54343b571facb1e505985e455653ed6d5cdbf559a41dd8cb22
[INFO] running `Command { std: "docker" "start" "-a" "6120d06234a23a54343b571facb1e505985e455653ed6d5cdbf559a41dd8cb22", kill_on_drop: false }`
[INFO] [stderr]     Checking categorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `value` is never used
[INFO] [stdout]    --> src/instances/monoid.rs:164:16
[INFO] [stdout]     |
[INFO] [stdout] 163 |     impl StringMonoid {
[INFO] [stdout]     |     ----------------- method in this implementation
[INFO] [stdout] 164 |         pub fn value(&self) -> String {
[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]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "6120d06234a23a54343b571facb1e505985e455653ed6d5cdbf559a41dd8cb22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6120d06234a23a54343b571facb1e505985e455653ed6d5cdbf559a41dd8cb22", kill_on_drop: false }`
[INFO] [stdout] 6120d06234a23a54343b571facb1e505985e455653ed6d5cdbf559a41dd8cb22
[INFO] checking VengeQ/categorial against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVengeQ%2Fcategorial" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/VengeQ/categorial on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/VengeQ/categorial
[INFO] finished tweaking git repo https://github.com/VengeQ/categorial
[INFO] tweaked toml for git repo https://github.com/VengeQ/categorial written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/VengeQ/categorial 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca18d144fc03c5c0459ecb49d42b609be08381b6c9bdbbf6ad0e81f33d675721
[INFO] running `Command { std: "docker" "start" "-a" "ca18d144fc03c5c0459ecb49d42b609be08381b6c9bdbbf6ad0e81f33d675721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca18d144fc03c5c0459ecb49d42b609be08381b6c9bdbbf6ad0e81f33d675721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca18d144fc03c5c0459ecb49d42b609be08381b6c9bdbbf6ad0e81f33d675721", kill_on_drop: false }`
[INFO] [stdout] ca18d144fc03c5c0459ecb49d42b609be08381b6c9bdbbf6ad0e81f33d675721
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8347d737daf4106af87f811b890c2aec1f3049a9214d9c8cb8bbe5717fe48b9c
[INFO] running `Command { std: "docker" "start" "-a" "8347d737daf4106af87f811b890c2aec1f3049a9214d9c8cb8bbe5717fe48b9c", kill_on_drop: false }`
[INFO] [stderr]     Checking categorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `value` is never used
[INFO] [stdout]    --> src/instances/monoid.rs:164:16
[INFO] [stdout]     |
[INFO] [stdout] 163 |     impl StringMonoid {
[INFO] [stdout]     |     ----------------- method in this implementation
[INFO] [stdout] 164 |         pub fn value(&self) -> String {
[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]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "8347d737daf4106af87f811b890c2aec1f3049a9214d9c8cb8bbe5717fe48b9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8347d737daf4106af87f811b890c2aec1f3049a9214d9c8cb8bbe5717fe48b9c", kill_on_drop: false }`
[INFO] [stdout] 8347d737daf4106af87f811b890c2aec1f3049a9214d9c8cb8bbe5717fe48b9c