[INFO] fetching crate preftool-env 0.2.0...
[INFO] checking preftool-env-0.2.0 against try#353a0a223066e9f46a1d935f2271a26c3c5002bb for pr-75180
[INFO] extracting crate preftool-env 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate preftool-env 0.2.0 on toolchain 353a0a223066e9f46a1d935f2271a26c3c5002bb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate preftool-env 0.2.0
[INFO] finished tweaking crates.io crate preftool-env 0.2.0
[INFO] tweaked toml for crates.io crate preftool-env 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d2ea3ab99019a5f8ba9ef06a8a4bc2710b53171f4c1fd93bc0cb4265923fb99
[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" "2d2ea3ab99019a5f8ba9ef06a8a4bc2710b53171f4c1fd93bc0cb4265923fb99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d2ea3ab99019a5f8ba9ef06a8a4bc2710b53171f4c1fd93bc0cb4265923fb99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d2ea3ab99019a5f8ba9ef06a8a4bc2710b53171f4c1fd93bc0cb4265923fb99", kill_on_drop: false }`
[INFO] [stdout] 2d2ea3ab99019a5f8ba9ef06a8a4bc2710b53171f4c1fd93bc0cb4265923fb99
[INFO] running `Command { std: "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" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 121b8ec0f982f8769229af7b922e7736f9f293b83bb20d6d3a71a5d2f4c898f3
[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" "121b8ec0f982f8769229af7b922e7736f9f293b83bb20d6d3a71a5d2f4c898f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking slog-scope v4.3.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]     Checking slog-stdlog v3.0.5
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling caseless v0.2.1
[INFO] [stderr]     Checking preftool v0.2.0
[INFO] [stderr]     Checking preftool-env v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.24s
[INFO] running `Command { std: "docker" "inspect" "121b8ec0f982f8769229af7b922e7736f9f293b83bb20d6d3a71a5d2f4c898f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "121b8ec0f982f8769229af7b922e7736f9f293b83bb20d6d3a71a5d2f4c898f3", kill_on_drop: false }`
[INFO] [stdout] 121b8ec0f982f8769229af7b922e7736f9f293b83bb20d6d3a71a5d2f4c898f3