[INFO] fetching crate slog-scope 4.4.0...
[INFO] checking slog-scope-4.4.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate slog-scope 4.4.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate slog-scope 4.4.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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-6/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: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arc-swap v1.2.0
[INFO] [stderr]   Downloaded thread_local v0.3.5
[INFO] [stderr]   Downloaded isatty v0.1.8
[INFO] [stderr]   Downloaded slog-term v2.0.4
[INFO] [stderr]   Downloaded libc v0.2.42
[INFO] [stderr]   Downloaded chrono v0.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb92ead03fdfeea795608f68c7c0d242a1437848e8c690953942451746b5494a
[INFO] running `Command { std: "docker" "start" "-a" "cb92ead03fdfeea795608f68c7c0d242a1437848e8c690953942451746b5494a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb92ead03fdfeea795608f68c7c0d242a1437848e8c690953942451746b5494a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb92ead03fdfeea795608f68c7c0d242a1437848e8c690953942451746b5494a", kill_on_drop: false }`
[INFO] [stdout] cb92ead03fdfeea795608f68c7c0d242a1437848e8c690953942451746b5494a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 570a341067244aff07ad82e3ad2458619d63ee09b5efa2da38be0e96b3d0f68b
[INFO] running `Command { std: "docker" "start" "-a" "570a341067244aff07ad82e3ad2458619d63ee09b5efa2da38be0e96b3d0f68b", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling slog v2.5.0
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking arc-swap v1.2.0
[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 v4.4.0 (/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 2.40s
[INFO] running `Command { std: "docker" "inspect" "570a341067244aff07ad82e3ad2458619d63ee09b5efa2da38be0e96b3d0f68b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "570a341067244aff07ad82e3ad2458619d63ee09b5efa2da38be0e96b3d0f68b", kill_on_drop: false }`
[INFO] [stdout] 570a341067244aff07ad82e3ad2458619d63ee09b5efa2da38be0e96b3d0f68b