[INFO] fetching crate pieces 0.2.0...
[INFO] testing pieces-0.2.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate pieces 0.2.0 into /workspace/builds/worker-118/source
[INFO] validating manifest of crates.io crate pieces 0.2.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pieces 0.2.0
[INFO] finished tweaking crates.io crate pieces 0.2.0
[INFO] tweaked toml for crates.io crate pieces 0.2.0 written to /workspace/builds/worker-118/source/Cargo.toml
[INFO] crate crates.io crate pieces 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e77d2bc6ecc1e1668ee572a36ece2124de29424cd5f854e7b0afcc8bbb0016d
[INFO] running `Command { std: "docker" "start" "-a" "4e77d2bc6ecc1e1668ee572a36ece2124de29424cd5f854e7b0afcc8bbb0016d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e77d2bc6ecc1e1668ee572a36ece2124de29424cd5f854e7b0afcc8bbb0016d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e77d2bc6ecc1e1668ee572a36ece2124de29424cd5f854e7b0afcc8bbb0016d", kill_on_drop: false }`
[INFO] [stdout] 4e77d2bc6ecc1e1668ee572a36ece2124de29424cd5f854e7b0afcc8bbb0016d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cc328974a89f9589127025f70be2a77ab9ef16b7c05d416e6be93a74275ed42
[INFO] running `Command { std: "docker" "start" "-a" "3cc328974a89f9589127025f70be2a77ab9ef16b7c05d416e6be93a74275ed42", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling pieces v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.20s
[INFO] running `Command { std: "docker" "inspect" "3cc328974a89f9589127025f70be2a77ab9ef16b7c05d416e6be93a74275ed42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cc328974a89f9589127025f70be2a77ab9ef16b7c05d416e6be93a74275ed42", kill_on_drop: false }`
[INFO] [stdout] 3cc328974a89f9589127025f70be2a77ab9ef16b7c05d416e6be93a74275ed42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbd066835ea336cec3113bb06b260745fce9dac159d0b11d934a7d339c926227
[INFO] running `Command { std: "docker" "start" "-a" "bbd066835ea336cec3113bb06b260745fce9dac159d0b11d934a7d339c926227", kill_on_drop: false }`
[INFO] [stderr]    Compiling pieces v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "bbd066835ea336cec3113bb06b260745fce9dac159d0b11d934a7d339c926227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbd066835ea336cec3113bb06b260745fce9dac159d0b11d934a7d339c926227", kill_on_drop: false }`
[INFO] [stdout] bbd066835ea336cec3113bb06b260745fce9dac159d0b11d934a7d339c926227
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9d62c0fd83f269c4dbc1589819b7d651adaed52f6502075d24a2364987aa242c
[INFO] running `Command { std: "docker" "start" "-a" "9d62c0fd83f269c4dbc1589819b7d651adaed52f6502075d24a2364987aa242c", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pieces-cb877d107582165d)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pieces
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9d62c0fd83f269c4dbc1589819b7d651adaed52f6502075d24a2364987aa242c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d62c0fd83f269c4dbc1589819b7d651adaed52f6502075d24a2364987aa242c", kill_on_drop: false }`
[INFO] [stdout] 9d62c0fd83f269c4dbc1589819b7d651adaed52f6502075d24a2364987aa242c