[INFO] fetching crate alto_logger 0.3.7...
[INFO] checking alto_logger-0.3.7 against try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035
[INFO] extracting crate alto_logger 0.3.7 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate alto_logger 0.3.7 on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate alto_logger 0.3.7
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate alto_logger 0.3.7
[INFO] tweaked toml for crates.io crate alto_logger 0.3.7 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate alto_logger 0.3.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded time v0.2.10
[INFO] [stderr]   Downloaded standback v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2856ab10455c095f8997322ea3134cf476f8acb40b0f00643d139d16da12f39b
[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" "2856ab10455c095f8997322ea3134cf476f8acb40b0f00643d139d16da12f39b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2856ab10455c095f8997322ea3134cf476f8acb40b0f00643d139d16da12f39b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2856ab10455c095f8997322ea3134cf476f8acb40b0f00643d139d16da12f39b", kill_on_drop: false }`
[INFO] [stdout] 2856ab10455c095f8997322ea3134cf476f8acb40b0f00643d139d16da12f39b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d27d0ab22a47fe957127de298979b7ecd95b7b33f4de2ffd31baf7520e4facf
[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" "8d27d0ab22a47fe957127de298979b7ecd95b7b33f4de2ffd31baf7520e4facf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking alto_logger v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.41s
[INFO] running `Command { std: "docker" "inspect" "8d27d0ab22a47fe957127de298979b7ecd95b7b33f4de2ffd31baf7520e4facf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d27d0ab22a47fe957127de298979b7ecd95b7b33f4de2ffd31baf7520e4facf", kill_on_drop: false }`
[INFO] [stdout] 8d27d0ab22a47fe957127de298979b7ecd95b7b33f4de2ffd31baf7520e4facf