[INFO] fetching crate freertos-cargo-build 0.1.1...
[INFO] checking freertos-cargo-build-0.1.1 against master#bd0bacc694d7d8175804bb6f690cb846bfa4a9ee for pr-71665
[INFO] extracting crate freertos-cargo-build 0.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate freertos-cargo-build 0.1.1 on toolchain bd0bacc694d7d8175804bb6f690cb846bfa4a9ee
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate freertos-cargo-build 0.1.1
[INFO] finished tweaking crates.io crate freertos-cargo-build 0.1.1
[INFO] tweaked toml for crates.io crate freertos-cargo-build 0.1.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "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] 431840d3ea33cf4d7980aa7cdb13552a80ab15d32091c4f7428429c62e9a57d9
[INFO] running `"docker" "start" "-a" "431840d3ea33cf4d7980aa7cdb13552a80ab15d32091c4f7428429c62e9a57d9"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking cc v1.0.52
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking freertos-cargo-build v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:272:9
[INFO] [stderr]     |
[INFO] [stderr] 272 |     let mut b = Builder::new();
[INFO] [stderr]     |         ----^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `"docker" "inspect" "431840d3ea33cf4d7980aa7cdb13552a80ab15d32091c4f7428429c62e9a57d9"`
[INFO] running `"docker" "rm" "-f" "431840d3ea33cf4d7980aa7cdb13552a80ab15d32091c4f7428429c62e9a57d9"`
[INFO] [stdout] 431840d3ea33cf4d7980aa7cdb13552a80ab15d32091c4f7428429c62e9a57d9