[INFO] updating cached repository https://github.com/jakobbeckmann/chans_algorithm
[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] fef9a303f1fd0c2b000af908aff6f956aa224784
[INFO] checking jakobbeckmann/chans_algorithm against beta-2019-10-27 for pr-65897
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakobbeckmann%2Fchans_algorithm" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jakobbeckmann/chans_algorithm on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jakobbeckmann/chans_algorithm
[INFO] finished tweaking git repo https://github.com/jakobbeckmann/chans_algorithm
[INFO] tweaked toml for git repo https://github.com/jakobbeckmann/chans_algorithm written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/jakobbeckmann/chans_algorithm already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=allow" "-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" "+beta-2019-10-27" "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] a1e59f81d306c5aadae769809b1dd1703e98b8db44fe10dd9618b47ddd9b07b7
[INFO] running `"docker" "start" "-a" "a1e59f81d306c5aadae769809b1dd1703e98b8db44fe10dd9618b47ddd9b07b7"`
[INFO] [stderr]    Compiling cc v1.0.2
[INFO] [stderr]     Checking serde v1.0.16
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking crossbeam v0.2.10
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking rand v0.3.17
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking humantime v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.16
[INFO] [stderr]     Checking csv-core v0.1.3
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking chrono v0.3.0
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]     Checking serde-value v0.5.1
[INFO] [stderr]     Checking serde_yaml v0.7.1
[INFO] [stderr]     Checking serde_json v1.0.4
[INFO] [stderr]     Checking csv v1.0.0-beta.5
[INFO] [stderr]     Checking log4rs v0.7.0
[INFO] [stderr]     Checking chan v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.06s
[INFO] running `"docker" "inspect" "a1e59f81d306c5aadae769809b1dd1703e98b8db44fe10dd9618b47ddd9b07b7"`
[INFO] running `"docker" "rm" "-f" "a1e59f81d306c5aadae769809b1dd1703e98b8db44fe10dd9618b47ddd9b07b7"`
[INFO] [stdout] a1e59f81d306c5aadae769809b1dd1703e98b8db44fe10dd9618b47ddd9b07b7