[INFO] fetching crate os-version 0.2.0...
[INFO] building os-version-0.2.0 against master#d5c88c22807925c189328ef9d923c5d2b11a95b8 for pr-87066-3
[INFO] extracting crate os-version 0.2.0 into /workspace/builds/worker-84/source
[INFO] validating manifest of crates.io crate os-version 0.2.0 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 os-version 0.2.0
[INFO] finished tweaking crates.io crate os-version 0.2.0
[INFO] tweaked toml for crates.io crate os-version 0.2.0 written to /workspace/builds/worker-84/source/Cargo.toml
[INFO] crate crates.io crate os-version 0.2.0 already has a lockfile, it will not be regenerated
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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] b1268a790396ff68f465fc445472b7a6da5f4bb9fdb120dac8d50870c7fd8b18
[INFO] running `Command { std: "docker" "start" "-a" "b1268a790396ff68f465fc445472b7a6da5f4bb9fdb120dac8d50870c7fd8b18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1268a790396ff68f465fc445472b7a6da5f4bb9fdb120dac8d50870c7fd8b18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1268a790396ff68f465fc445472b7a6da5f4bb9fdb120dac8d50870c7fd8b18", kill_on_drop: false }`
[INFO] [stdout] b1268a790396ff68f465fc445472b7a6da5f4bb9fdb120dac8d50870c7fd8b18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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] 7376e035b26976a0d59230645210a95ed29486af8745a9a08056c655522ae750
[INFO] running `Command { std: "docker" "start" "-a" "7376e035b26976a0d59230645210a95ed29486af8745a9a08056c655522ae750", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling os-version v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "7376e035b26976a0d59230645210a95ed29486af8745a9a08056c655522ae750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7376e035b26976a0d59230645210a95ed29486af8745a9a08056c655522ae750", kill_on_drop: false }`
[INFO] [stdout] 7376e035b26976a0d59230645210a95ed29486af8745a9a08056c655522ae750
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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] eb2b0da2a78aeaa708fc6abdbc7e772972193766d59952f61e84b824d5b8b7dd
[INFO] running `Command { std: "docker" "start" "-a" "eb2b0da2a78aeaa708fc6abdbc7e772972193766d59952f61e84b824d5b8b7dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling os-version v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `Command { std: "docker" "inspect" "eb2b0da2a78aeaa708fc6abdbc7e772972193766d59952f61e84b824d5b8b7dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb2b0da2a78aeaa708fc6abdbc7e772972193766d59952f61e84b824d5b8b7dd", kill_on_drop: false }`
[INFO] [stdout] eb2b0da2a78aeaa708fc6abdbc7e772972193766d59952f61e84b824d5b8b7dd