[INFO] fetching crate aprun 0.2.0...
[INFO] testing aprun-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate aprun 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate aprun 0.2.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aprun 0.2.0
[INFO] finished tweaking crates.io crate aprun 0.2.0
[INFO] tweaked toml for crates.io crate aprun 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b233470697ce902d446c3e0d23632bb003d639d7aea4b9d3734fede5cd7ca10
[INFO] running `Command { std: "docker" "start" "-a" "9b233470697ce902d446c3e0d23632bb003d639d7aea4b9d3734fede5cd7ca10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b233470697ce902d446c3e0d23632bb003d639d7aea4b9d3734fede5cd7ca10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b233470697ce902d446c3e0d23632bb003d639d7aea4b9d3734fede5cd7ca10", kill_on_drop: false }`
[INFO] [stdout] 9b233470697ce902d446c3e0d23632bb003d639d7aea4b9d3734fede5cd7ca10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e9d7c1e0c1340bf3aaf1fa06c8eb0e8a5ba53cf6ea365d1986b7d2276f6cd29
[INFO] running `Command { std: "docker" "start" "-a" "3e9d7c1e0c1340bf3aaf1fa06c8eb0e8a5ba53cf6ea365d1986b7d2276f6cd29", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v0.3.7
[INFO] [stderr]    Compiling tracing-core v0.1.19
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling aprun v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.20s
[INFO] running `Command { std: "docker" "inspect" "3e9d7c1e0c1340bf3aaf1fa06c8eb0e8a5ba53cf6ea365d1986b7d2276f6cd29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e9d7c1e0c1340bf3aaf1fa06c8eb0e8a5ba53cf6ea365d1986b7d2276f6cd29", kill_on_drop: false }`
[INFO] [stdout] 3e9d7c1e0c1340bf3aaf1fa06c8eb0e8a5ba53cf6ea365d1986b7d2276f6cd29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8dd53d5ffad323a06599b46096ac9d32bc3fbbe51c47135745469e9265f6b8f
[INFO] running `Command { std: "docker" "start" "-a" "f8dd53d5ffad323a06599b46096ac9d32bc3fbbe51c47135745469e9265f6b8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling aprun v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "f8dd53d5ffad323a06599b46096ac9d32bc3fbbe51c47135745469e9265f6b8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8dd53d5ffad323a06599b46096ac9d32bc3fbbe51c47135745469e9265f6b8f", kill_on_drop: false }`
[INFO] [stdout] f8dd53d5ffad323a06599b46096ac9d32bc3fbbe51c47135745469e9265f6b8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 387f57f6c36a153ca1fb468574bd63ce9ff03dfb135d0c40ac90e54911e10946
[INFO] running `Command { std: "docker" "start" "-a" "387f57f6c36a153ca1fb468574bd63ce9ff03dfb135d0c40ac90e54911e10946", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/aprun-0a5e67f79508d526)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests aprun
[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" "387f57f6c36a153ca1fb468574bd63ce9ff03dfb135d0c40ac90e54911e10946", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "387f57f6c36a153ca1fb468574bd63ce9ff03dfb135d0c40ac90e54911e10946", kill_on_drop: false }`
[INFO] [stdout] 387f57f6c36a153ca1fb468574bd63ce9ff03dfb135d0c40ac90e54911e10946