[INFO] fetching crate metaflac 0.2.4...
[INFO] building metaflac-0.2.4 against master#d5c88c22807925c189328ef9d923c5d2b11a95b8 for pr-87066-3
[INFO] extracting crate metaflac 0.2.4 into /workspace/builds/worker-48/source
[INFO] validating manifest of crates.io crate metaflac 0.2.4 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate metaflac 0.2.4
[INFO] finished tweaking crates.io crate metaflac 0.2.4
[INFO] tweaked toml for crates.io crate metaflac 0.2.4 written to /workspace/builds/worker-48/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "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-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad6a536fedf8f8ad05e942be7293f1044c55dd63bc1f83c8e67ed96001cf85ff
[INFO] running `Command { std: "docker" "start" "-a" "ad6a536fedf8f8ad05e942be7293f1044c55dd63bc1f83c8e67ed96001cf85ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad6a536fedf8f8ad05e942be7293f1044c55dd63bc1f83c8e67ed96001cf85ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad6a536fedf8f8ad05e942be7293f1044c55dd63bc1f83c8e67ed96001cf85ff", kill_on_drop: false }`
[INFO] [stdout] ad6a536fedf8f8ad05e942be7293f1044c55dd63bc1f83c8e67ed96001cf85ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29026f108d0c336e2db2f196bc019d6152867a5ee2ec10d5b7392f787468efcc
[INFO] running `Command { std: "docker" "start" "-a" "29026f108d0c336e2db2f196bc019d6152867a5ee2ec10d5b7392f787468efcc", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling metaflac v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.52s
[INFO] running `Command { std: "docker" "inspect" "29026f108d0c336e2db2f196bc019d6152867a5ee2ec10d5b7392f787468efcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29026f108d0c336e2db2f196bc019d6152867a5ee2ec10d5b7392f787468efcc", kill_on_drop: false }`
[INFO] [stdout] 29026f108d0c336e2db2f196bc019d6152867a5ee2ec10d5b7392f787468efcc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d93eb9318cf1a6562ee6fa03d9eaf25e68a20012cf601a20e4daedcbd58aa7f
[INFO] running `Command { std: "docker" "start" "-a" "0d93eb9318cf1a6562ee6fa03d9eaf25e68a20012cf601a20e4daedcbd58aa7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling metaflac v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "0d93eb9318cf1a6562ee6fa03d9eaf25e68a20012cf601a20e4daedcbd58aa7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d93eb9318cf1a6562ee6fa03d9eaf25e68a20012cf601a20e4daedcbd58aa7f", kill_on_drop: false }`
[INFO] [stdout] 0d93eb9318cf1a6562ee6fa03d9eaf25e68a20012cf601a20e4daedcbd58aa7f