[INFO] fetching crate mei 0.3.1...
[INFO] checking mei-0.3.1 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate mei 0.3.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate mei 0.3.1 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 mei 0.3.1
[INFO] finished tweaking crates.io crate mei 0.3.1
[INFO] tweaked toml for crates.io crate mei 0.3.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[INFO] [stderr]       Adding toml_edit v0.21.1 (latest: v0.22.20)
[INFO] [stderr]       Adding winnow v0.5.40 (latest: v0.6.18)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d7b33180baca9b3d77b01ef4c2840df3bd7b6a54e1f49e199a71a4ad93d0db03
[INFO] running `Command { std: "docker" "start" "-a" "d7b33180baca9b3d77b01ef4c2840df3bd7b6a54e1f49e199a71a4ad93d0db03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7b33180baca9b3d77b01ef4c2840df3bd7b6a54e1f49e199a71a4ad93d0db03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7b33180baca9b3d77b01ef4c2840df3bd7b6a54e1f49e199a71a4ad93d0db03", kill_on_drop: false }`
[INFO] [stdout] d7b33180baca9b3d77b01ef4c2840df3bd7b6a54e1f49e199a71a4ad93d0db03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] cd0a3b7ca56a42688bbb27b55aa558410b23fe57b86c217cb15dcdf6b43df3a8
[INFO] running `Command { std: "docker" "start" "-a" "cd0a3b7ca56a42688bbb27b55aa558410b23fe57b86c217cb15dcdf6b43df3a8", kill_on_drop: false }`
[INFO] [stderr]     Checking winnow v0.5.40
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking toml_edit v0.21.1
[INFO] [stderr]     Checking mei v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `Command { std: "docker" "inspect" "cd0a3b7ca56a42688bbb27b55aa558410b23fe57b86c217cb15dcdf6b43df3a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd0a3b7ca56a42688bbb27b55aa558410b23fe57b86c217cb15dcdf6b43df3a8", kill_on_drop: false }`
[INFO] [stdout] cd0a3b7ca56a42688bbb27b55aa558410b23fe57b86c217cb15dcdf6b43df3a8
[INFO] checking mei-0.3.1 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate mei 0.3.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate mei 0.3.1 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 mei 0.3.1
[INFO] finished tweaking crates.io crate mei 0.3.1
[INFO] tweaked toml for crates.io crate mei 0.3.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[INFO] [stderr]       Adding toml_edit v0.21.1 (latest: v0.22.20)
[INFO] [stderr]       Adding winnow v0.5.40 (latest: v0.6.18)
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 63b53b7549a9d3e0ba36a5a62f9c95552962a5c15b2af0ae8105d3e6f53261d1
[INFO] running `Command { std: "docker" "start" "-a" "63b53b7549a9d3e0ba36a5a62f9c95552962a5c15b2af0ae8105d3e6f53261d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63b53b7549a9d3e0ba36a5a62f9c95552962a5c15b2af0ae8105d3e6f53261d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63b53b7549a9d3e0ba36a5a62f9c95552962a5c15b2af0ae8105d3e6f53261d1", kill_on_drop: false }`
[INFO] [stdout] 63b53b7549a9d3e0ba36a5a62f9c95552962a5c15b2af0ae8105d3e6f53261d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 698dcddb4ff756969c0a4df5b56705a74abd326e1ffd1966b9e3f17a506de9c6
[INFO] running `Command { std: "docker" "start" "-a" "698dcddb4ff756969c0a4df5b56705a74abd326e1ffd1966b9e3f17a506de9c6", kill_on_drop: false }`
[INFO] [stderr]     Checking winnow v0.5.40
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking toml_edit v0.21.1
[INFO] [stderr]     Checking mei v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.58s
[INFO] running `Command { std: "docker" "inspect" "698dcddb4ff756969c0a4df5b56705a74abd326e1ffd1966b9e3f17a506de9c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "698dcddb4ff756969c0a4df5b56705a74abd326e1ffd1966b9e3f17a506de9c6", kill_on_drop: false }`
[INFO] [stdout] 698dcddb4ff756969c0a4df5b56705a74abd326e1ffd1966b9e3f17a506de9c6