[INFO] fetching crate trackable 1.0.0...
[INFO] checking trackable-1.0.0 against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] extracting crate trackable 1.0.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate trackable 1.0.0 on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate trackable 1.0.0
[INFO] finished tweaking crates.io crate trackable 1.0.0
[INFO] tweaked toml for crates.io crate trackable 1.0.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate trackable 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3ddda0b5e21d3197eb4ea35ca3f94a6071347c1099315672dc42584c3940bcb2
[INFO] running `"docker" "start" "-a" "3ddda0b5e21d3197eb4ea35ca3f94a6071347c1099315672dc42584c3940bcb2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling trackable_derive v1.0.0
[INFO] [stderr]     Checking trackable v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variant is never constructed: `NonCritical`
[INFO] [stderr]    --> src/error.rs:505:13
[INFO] [stderr]     |
[INFO] [stderr] 505 |             NonCritical,
[INFO] [stderr]     |             ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.46s
[INFO] running `"docker" "inspect" "3ddda0b5e21d3197eb4ea35ca3f94a6071347c1099315672dc42584c3940bcb2"`
[INFO] running `"docker" "rm" "-f" "3ddda0b5e21d3197eb4ea35ca3f94a6071347c1099315672dc42584c3940bcb2"`
[INFO] [stdout] 3ddda0b5e21d3197eb4ea35ca3f94a6071347c1099315672dc42584c3940bcb2