[INFO] updating cached repository https://github.com/Tolsi/readable-color-codes
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b8250ae3c3a14cd56263e5c77604ad2bdb44b486
[INFO] checking Tolsi/readable-color-codes against try#13f916f63bc6575d5ff1f989237dfabe88981368 for pr-69880
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTolsi%2Freadable-color-codes" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files: 100% (18/18)   
Checking out files: 100% (18/18), done.
[INFO] validating manifest of git repo https://github.com/Tolsi/readable-color-codes on toolchain 13f916f63bc6575d5ff1f989237dfabe88981368
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Tolsi/readable-color-codes
[INFO] finished tweaking git repo https://github.com/Tolsi/readable-color-codes
[INFO] tweaked toml for git repo https://github.com/Tolsi/readable-color-codes written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Tolsi/readable-color-codes already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+13f916f63bc6575d5ff1f989237dfabe88981368" "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] 2c9db90272348b2c94cb93d17d89b50f34f80b4bb794eb8bfe495a4503ca403a
[INFO] running `"docker" "start" "-a" "2c9db90272348b2c94cb93d17d89b50f34f80b4bb794eb8bfe495a4503ca403a"`
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking num-complex v0.2.3
[INFO] [stderr]     Checking png v0.15.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking num-iter v0.1.39
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking rusttype v0.8.0
[INFO] [stderr]     Checking rulinalg v0.4.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking rayon-core v1.6.0
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking num-rational v0.2.2
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.16
[INFO] [stderr]     Checking image v0.22.2
[INFO] [stderr]     Checking imageproc v0.19.2
[INFO] [stderr]     Checking readable-color-codes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.83s
[INFO] running `"docker" "inspect" "2c9db90272348b2c94cb93d17d89b50f34f80b4bb794eb8bfe495a4503ca403a"`
[INFO] running `"docker" "rm" "-f" "2c9db90272348b2c94cb93d17d89b50f34f80b4bb794eb8bfe495a4503ca403a"`
[INFO] [stdout] 2c9db90272348b2c94cb93d17d89b50f34f80b4bb794eb8bfe495a4503ca403a