[INFO] fetching crate io 0.0.2...
[INFO] building io-0.0.2 against master#d5c88c22807925c189328ef9d923c5d2b11a95b8 for pr-87066-3
[INFO] extracting crate io 0.0.2 into /workspace/builds/worker-97/source
[INFO] validating manifest of crates.io crate io 0.0.2 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 io 0.0.2
[INFO] finished tweaking crates.io crate io 0.0.2
[INFO] tweaked toml for crates.io crate io 0.0.2 written to /workspace/builds/worker-97/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-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] 298a56a49a00d0916c626c8b5fbf91bf860c61da19bf47e5b88a4f31c980ba90
[INFO] running `Command { std: "docker" "start" "-a" "298a56a49a00d0916c626c8b5fbf91bf860c61da19bf47e5b88a4f31c980ba90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "298a56a49a00d0916c626c8b5fbf91bf860c61da19bf47e5b88a4f31c980ba90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "298a56a49a00d0916c626c8b5fbf91bf860c61da19bf47e5b88a4f31c980ba90", kill_on_drop: false }`
[INFO] [stdout] 298a56a49a00d0916c626c8b5fbf91bf860c61da19bf47e5b88a4f31c980ba90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] 982456a4e2bc64673b491c4b66e6ec350ea1c440e5432211235a43dde8c9ef6e
[INFO] running `Command { std: "docker" "start" "-a" "982456a4e2bc64673b491c4b66e6ec350ea1c440e5432211235a43dde8c9ef6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling io v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "982456a4e2bc64673b491c4b66e6ec350ea1c440e5432211235a43dde8c9ef6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "982456a4e2bc64673b491c4b66e6ec350ea1c440e5432211235a43dde8c9ef6e", kill_on_drop: false }`
[INFO] [stdout] 982456a4e2bc64673b491c4b66e6ec350ea1c440e5432211235a43dde8c9ef6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] 41b3d38e2feb0ec80be8d803a329962229a71045425ef87e283bc2c4700235e7
[INFO] running `Command { std: "docker" "start" "-a" "41b3d38e2feb0ec80be8d803a329962229a71045425ef87e283bc2c4700235e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling io v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "41b3d38e2feb0ec80be8d803a329962229a71045425ef87e283bc2c4700235e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41b3d38e2feb0ec80be8d803a329962229a71045425ef87e283bc2c4700235e7", kill_on_drop: false }`
[INFO] [stdout] 41b3d38e2feb0ec80be8d803a329962229a71045425ef87e283bc2c4700235e7