[INFO] fetching crate slog-scope 4.3.0...
[INFO] checking slog-scope-4.3.0 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] extracting crate slog-scope 4.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate slog-scope 4.3.0 on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slog-scope 4.3.0
[INFO] finished tweaking crates.io crate slog-scope 4.3.0
[INFO] tweaked toml for crates.io crate slog-scope 4.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate slog-scope 4.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aceb0bdcf345e85599d0c4cf68c2610ea08ba8e90a52eeb96fb9e5fba3d64fd7
[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" "aceb0bdcf345e85599d0c4cf68c2610ea08ba8e90a52eeb96fb9e5fba3d64fd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aceb0bdcf345e85599d0c4cf68c2610ea08ba8e90a52eeb96fb9e5fba3d64fd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aceb0bdcf345e85599d0c4cf68c2610ea08ba8e90a52eeb96fb9e5fba3d64fd7", kill_on_drop: false }`
[INFO] [stdout] aceb0bdcf345e85599d0c4cf68c2610ea08ba8e90a52eeb96fb9e5fba3d64fd7
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8846bd60ff82130c437a1dc4912b46b937d02181785c0f1f41da8247b7ee83e7
[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" "8846bd60ff82130c437a1dc4912b46b937d02181785c0f1f41da8247b7ee83e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling slog v2.5.0
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking arc-swap v0.4.3
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking isatty v0.1.8
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]     Checking slog-scope v4.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking chrono v0.4.4
[INFO] [stderr]     Checking slog-term v2.0.4
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.98s
[INFO] running `Command { std: "docker" "inspect" "8846bd60ff82130c437a1dc4912b46b937d02181785c0f1f41da8247b7ee83e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8846bd60ff82130c437a1dc4912b46b937d02181785c0f1f41da8247b7ee83e7", kill_on_drop: false }`
[INFO] [stdout] 8846bd60ff82130c437a1dc4912b46b937d02181785c0f1f41da8247b7ee83e7