[INFO] crate mamba 0.2.0 is already in cache
[INFO] checking mamba-0.2.0 against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] extracting crate mamba 0.2.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate mamba 0.2.0 on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mamba 0.2.0
[INFO] finished tweaking crates.io crate mamba 0.2.0
[INFO] tweaked toml for crates.io crate mamba 0.2.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate mamba 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "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-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" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "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] 64fdc78b406be7cb062417f17ab57c77e63540110cfd9c514516e8264636830d
[INFO] running `"docker" "start" "-a" "64fdc78b406be7cb062417f17ab57c77e63540110cfd9c514516e8264636830d"`
[INFO] [stderr]    Compiling libc v0.2.56
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]     Checking rgb v0.8.13
[INFO] [stderr]     Checking bytecount v0.3.2
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking wtf8 v0.0.3
[INFO] [stderr]     Checking unicode_names2 v0.2.2
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking predicates v1.0.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-bigint v0.2.2
[INFO] [stderr]     Checking nom v4.2.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking cgmath v0.16.1
[INFO] [stderr]     Checking nom_locate v0.3.1
[INFO] [stderr]     Checking python-parser v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]     Checking leg v0.1.3
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking escargot v0.3.1
[INFO] [stderr]     Checking assert_cmd v0.10.2
[INFO] [stderr]     Checking mamba v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `"docker" "inspect" "64fdc78b406be7cb062417f17ab57c77e63540110cfd9c514516e8264636830d"`
[INFO] running `"docker" "rm" "-f" "64fdc78b406be7cb062417f17ab57c77e63540110cfd9c514516e8264636830d"`
[INFO] [stdout] 64fdc78b406be7cb062417f17ab57c77e63540110cfd9c514516e8264636830d