[INFO] crate mft 0.5.3 is already in cache
[INFO] checking mft-0.5.3 against try#1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0 for pr-69530
[INFO] extracting crate mft 0.5.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mft 0.5.3 on toolchain 1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mft 0.5.3
[INFO] finished tweaking crates.io crate mft 0.5.3
[INFO] tweaked toml for crates.io crate mft 0.5.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate mft 0.5.3 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "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] 1e749986cd8d933a6c434adb37262c001ffe108d2a52b811d1ee5522fec22d03
[INFO] running `"docker" "start" "-a" "1e749986cd8d933a6c434adb37262c001ffe108d2a52b811d1ee5522fec22d03"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking float-cmp v0.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.15
[INFO] [stderr]    Compiling num-derive v0.3.0
[INFO] [stderr]    Compiling indoc-impl v0.3.5
[INFO] [stderr]     Checking console v0.10.0
[INFO] [stderr]     Checking serde v1.0.106
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking error-chain v0.12.2
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking lru v0.4.3
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]     Checking predicates v1.0.4
[INFO] [stderr]     Checking dialoguer v0.5.0
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking indoc v0.3.5
[INFO] [stderr]     Checking thiserror v1.0.15
[INFO] [stderr]     Checking rexpect v0.3.0
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking simplelog v0.7.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking winstructs v0.3.0
[INFO] [stderr]     Checking escargot v0.5.0
[INFO] [stderr]     Checking tinytemplate v1.0.3
[INFO] [stderr]     Checking cargo_metadata v0.6.4
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking skeptic v0.13.4
[INFO] [stderr]     Checking assert_cmd v0.12.2
[INFO] [stderr]     Checking criterion-plot v0.4.1
[INFO] [stderr]     Checking criterion v0.3.1
[INFO] [stderr]    Compiling mft v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable `count` is assigned to, but never used
[INFO] [stderr]   --> src/benches/benchmark.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let mut count = 0;
[INFO] [stderr]    |             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_count` instead
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.80s
[INFO] running `"docker" "inspect" "1e749986cd8d933a6c434adb37262c001ffe108d2a52b811d1ee5522fec22d03"`
[INFO] running `"docker" "rm" "-f" "1e749986cd8d933a6c434adb37262c001ffe108d2a52b811d1ee5522fec22d03"`
[INFO] [stdout] 1e749986cd8d933a6c434adb37262c001ffe108d2a52b811d1ee5522fec22d03