[INFO] fetching crate fern 0.6.2...
[INFO] checking fern-0.6.2 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate fern 0.6.2 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate fern 0.6.2 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fern 0.6.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate fern 0.6.2
[INFO] tweaked toml for crates.io crate fern 0.6.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate fern 0.6.2 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syslog v6.0.1
[INFO] [stderr]   Downloaded syslog v4.0.1
[INFO] [stderr]   Downloaded unix_socket v0.5.0
[INFO] [stderr]   Downloaded tempfile v3.4.0
[INFO] [stderr]   Downloaded time v0.3.15
[INFO] [stderr]   Downloaded reopen v1.0.3
[INFO] [stderr]   Downloaded proc-macro2 v1.0.53
[INFO] [stderr]   Downloaded syn v2.0.8
[INFO] [stderr]   Downloaded rustix v0.36.11
[INFO] [stderr]   Downloaded syslog v3.3.0
[INFO] [stderr]   Downloaded reopen v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f581622733ef40950ed8c54ad667011611699d3820c9533c7c259f4754fda84
[INFO] running `Command { std: "docker" "start" "-a" "9f581622733ef40950ed8c54ad667011611699d3820c9533c7c259f4754fda84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f581622733ef40950ed8c54ad667011611699d3820c9533c7c259f4754fda84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f581622733ef40950ed8c54ad667011611699d3820c9533c7c259f4754fda84", kill_on_drop: false }`
[INFO] [stdout] 9f581622733ef40950ed8c54ad667011611699d3820c9533c7c259f4754fda84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd5f2096dff6a17d1320d63f426fa0c3e16e2714ae23feeb0c8666c9700e22b9
[INFO] running `Command { std: "docker" "start" "-a" "bd5f2096dff6a17d1320d63f426fa0c3e16e2714ae23feeb0c8666c9700e22b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling io-lifetimes v1.0.9
[INFO] [stderr]    Compiling rustix v0.36.11
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking fern v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking tempfile v3.4.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.31s
[INFO] running `Command { std: "docker" "inspect" "bd5f2096dff6a17d1320d63f426fa0c3e16e2714ae23feeb0c8666c9700e22b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd5f2096dff6a17d1320d63f426fa0c3e16e2714ae23feeb0c8666c9700e22b9", kill_on_drop: false }`
[INFO] [stdout] bd5f2096dff6a17d1320d63f426fa0c3e16e2714ae23feeb0c8666c9700e22b9
[INFO] checking fern-0.6.2 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate fern 0.6.2 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate fern 0.6.2 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fern 0.6.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate fern 0.6.2
[INFO] tweaked toml for crates.io crate fern 0.6.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate fern 0.6.2 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b3526497984438c3a371491205278a5d1727781d50b924fdaffe94ff1804e49
[INFO] running `Command { std: "docker" "start" "-a" "4b3526497984438c3a371491205278a5d1727781d50b924fdaffe94ff1804e49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b3526497984438c3a371491205278a5d1727781d50b924fdaffe94ff1804e49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b3526497984438c3a371491205278a5d1727781d50b924fdaffe94ff1804e49", kill_on_drop: false }`
[INFO] [stdout] 4b3526497984438c3a371491205278a5d1727781d50b924fdaffe94ff1804e49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61ac491cfe6173b42f738e70b254d40d418005daa13ebfac13865d02af5c84d2
[INFO] running `Command { std: "docker" "start" "-a" "61ac491cfe6173b42f738e70b254d40d418005daa13ebfac13865d02af5c84d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling io-lifetimes v1.0.9
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling rustix v0.36.11
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking fern v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking tempfile v3.4.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.90s
[INFO] running `Command { std: "docker" "inspect" "61ac491cfe6173b42f738e70b254d40d418005daa13ebfac13865d02af5c84d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61ac491cfe6173b42f738e70b254d40d418005daa13ebfac13865d02af5c84d2", kill_on_drop: false }`
[INFO] [stdout] 61ac491cfe6173b42f738e70b254d40d418005daa13ebfac13865d02af5c84d2