[INFO] cloning repository https://github.com/Melvillian/strat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Melvillian/strat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMelvillian%2Fstrat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMelvillian%2Fstrat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d8f585931bf41e9b66e85853618f8927dca5f70
[INFO] checking Melvillian/strat against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMelvillian%2Fstrat" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Melvillian/strat on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Melvillian/strat
[INFO] finished tweaking git repo https://github.com/Melvillian/strat
[INFO] tweaked toml for git repo https://github.com/Melvillian/strat written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Melvillian/strat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e304b9b5d39e2490da0f27ebf582177395b9c05cb93d65ba941a9ca6cc8fc710
[INFO] running `Command { std: "docker" "start" "-a" "e304b9b5d39e2490da0f27ebf582177395b9c05cb93d65ba941a9ca6cc8fc710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e304b9b5d39e2490da0f27ebf582177395b9c05cb93d65ba941a9ca6cc8fc710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e304b9b5d39e2490da0f27ebf582177395b9c05cb93d65ba941a9ca6cc8fc710", kill_on_drop: false }`
[INFO] [stdout] e304b9b5d39e2490da0f27ebf582177395b9c05cb93d65ba941a9ca6cc8fc710
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 455dacf976596e4f073b9acee370d0e5813dfab91885b67e03927f60798ff651
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "455dacf976596e4f073b9acee370d0e5813dfab91885b67e03927f60798ff651", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]     Checking smallvec v0.6.11
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]     Checking arrayref v0.3.5
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking fallible-iterator v0.1.6
[INFO] [stderr]     Checking md5 v0.3.8
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]     Checking hex v0.2.0
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling openssl-sys v0.9.52
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking crypto-mac v0.5.2
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking hmac v0.5.0
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking postgres-protocol v0.3.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]     Checking websocket v0.23.0
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking which v2.0.1
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling derive_builder_core v0.5.0
[INFO] [stderr]    Compiling derive_builder v0.7.2
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking postgres-shared v0.4.2
[INFO] [stderr]     Checking headless_chrome v0.9.0
[INFO] [stderr]     Checking postgres v0.15.2
[INFO] [stderr]     Checking postgres-openssl v0.1.0
[INFO] [stderr]     Checking strat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 53s
[INFO] running `Command { std: "docker" "inspect" "455dacf976596e4f073b9acee370d0e5813dfab91885b67e03927f60798ff651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "455dacf976596e4f073b9acee370d0e5813dfab91885b67e03927f60798ff651", kill_on_drop: false }`
[INFO] [stdout] 455dacf976596e4f073b9acee370d0e5813dfab91885b67e03927f60798ff651