[INFO] fetching crate blake2_bin 0.5.8...
[INFO] checking blake2_bin-0.5.8 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate blake2_bin 0.5.8 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate blake2_bin 0.5.8 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate blake2_bin 0.5.8
[INFO] finished tweaking crates.io crate blake2_bin 0.5.8
[INFO] tweaked toml for crates.io crate blake2_bin 0.5.8 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate blake2_bin 0.5.8 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] 2cbf02e45a70da1443dca0846a7e9cc10626dd8d91ff34ef8be5e5755fb10bc4
[INFO] running `"docker" "start" "-a" "2cbf02e45a70da1443dca0846a7e9cc10626dd8d91ff34ef8be5e5755fb10bc4"`
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking getrandom v0.1.11
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking backtrace-sys v0.1.31
[INFO] [stderr]     Checking nix v0.13.1
[INFO] [stderr]     Checking blake2s_simd v0.5.8
[INFO] [stderr]     Checking blake2b_simd v0.5.8
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking backtrace v0.3.35
[INFO] [stderr]     Checking predicates v1.0.1
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking shared_child v0.3.3
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking blake2_bin v0.5.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking os_pipe v0.8.1
[INFO] [stderr]     Checking duct v0.12.0
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]     Checking serde v1.0.99
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking assert_cmd v0.11.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.72s
[INFO] running `"docker" "inspect" "2cbf02e45a70da1443dca0846a7e9cc10626dd8d91ff34ef8be5e5755fb10bc4"`
[INFO] running `"docker" "rm" "-f" "2cbf02e45a70da1443dca0846a7e9cc10626dd8d91ff34ef8be5e5755fb10bc4"`
[INFO] [stdout] 2cbf02e45a70da1443dca0846a7e9cc10626dd8d91ff34ef8be5e5755fb10bc4