[INFO] fetching crate slog-scope 4.4.0...
[INFO] checking slog-scope-4.4.0 against master#a3f76a26e045a760bb1163b7eab36872985242d5 for pr-130930
[INFO] extracting crate slog-scope 4.4.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate slog-scope 4.4.0 on toolchain a3f76a26e045a760bb1163b7eab36872985242d5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slog-scope 4.4.0
[INFO] finished tweaking crates.io crate slog-scope 4.4.0
[INFO] tweaked toml for crates.io crate slog-scope 4.4.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate slog-scope 4.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lazy_static v1.2.0
[INFO] [stderr]   Downloaded slog-async v2.3.0
[INFO] [stderr]   Downloaded slog-term v2.0.4
[INFO] [stderr]   Downloaded num-integer v0.1.39
[INFO] [stderr]   Downloaded chrono v0.4.4
[INFO] [stderr]   Downloaded thread_local v0.3.5
[INFO] [stderr]   Downloaded redox_syscall v0.1.40
[INFO] [stderr]   Downloaded slog v2.5.0
[INFO] [stderr]   Downloaded libc v0.2.42
[INFO] [stderr]   Downloaded num-traits v0.2.5
[INFO] [stderr]   Downloaded time v0.1.40
[INFO] [stderr]   Downloaded isatty v0.1.8
[INFO] [stderr]   Downloaded winapi v0.3.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a9435e45675a1b453e5bebf380170a630da7f74c0686c1fb4617c65eaf80de2
[INFO] running `Command { std: "docker" "start" "-a" "3a9435e45675a1b453e5bebf380170a630da7f74c0686c1fb4617c65eaf80de2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a9435e45675a1b453e5bebf380170a630da7f74c0686c1fb4617c65eaf80de2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a9435e45675a1b453e5bebf380170a630da7f74c0686c1fb4617c65eaf80de2", kill_on_drop: false }`
[INFO] [stdout] 3a9435e45675a1b453e5bebf380170a630da7f74c0686c1fb4617c65eaf80de2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f39f287b3b73874a26b6b30f33da6510a6b4671f0d0734ee38f8f613909ef4f7
[INFO] running `Command { std: "docker" "start" "-a" "f39f287b3b73874a26b6b30f33da6510a6b4671f0d0734ee38f8f613909ef4f7", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling slog v2.5.0
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking arc-swap v1.2.0
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]     Checking slog-scope v4.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking isatty v0.1.8
[INFO] [stderr]     Checking chrono v0.4.4
[INFO] [stderr]     Checking slog-term v2.0.4
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.32s
[INFO] running `Command { std: "docker" "inspect" "f39f287b3b73874a26b6b30f33da6510a6b4671f0d0734ee38f8f613909ef4f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f39f287b3b73874a26b6b30f33da6510a6b4671f0d0734ee38f8f613909ef4f7", kill_on_drop: false }`
[INFO] [stdout] f39f287b3b73874a26b6b30f33da6510a6b4671f0d0734ee38f8f613909ef4f7