[INFO] fetching crate nbd-async 0.4.1...
[INFO] testing nbd-async-0.4.1 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate nbd-async 0.4.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate nbd-async 0.4.1 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nbd-async 0.4.1
[INFO] finished tweaking crates.io crate nbd-async 0.4.1
[INFO] tweaked toml for crates.io crate nbd-async 0.4.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate nbd-async 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c4cb6d526590444db51abeae78df1d43a0d327435707233cd678aaf0d8b4675
[INFO] running `Command { std: "docker" "start" "-a" "6c4cb6d526590444db51abeae78df1d43a0d327435707233cd678aaf0d8b4675", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c4cb6d526590444db51abeae78df1d43a0d327435707233cd678aaf0d8b4675", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c4cb6d526590444db51abeae78df1d43a0d327435707233cd678aaf0d8b4675", kill_on_drop: false }`
[INFO] [stdout] 6c4cb6d526590444db51abeae78df1d43a0d327435707233cd678aaf0d8b4675
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1dbc7639257085f455f5b2ae42d36ae4c3d25175b8035091ceba20892d72992c
[INFO] running `Command { std: "docker" "start" "-a" "1dbc7639257085f455f5b2ae42d36ae4c3d25175b8035091ceba20892d72992c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling tokio v1.4.0
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]    Compiling pin-project v0.4.22
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling nbd-async v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.37s
[INFO] running `Command { std: "docker" "inspect" "1dbc7639257085f455f5b2ae42d36ae4c3d25175b8035091ceba20892d72992c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dbc7639257085f455f5b2ae42d36ae4c3d25175b8035091ceba20892d72992c", kill_on_drop: false }`
[INFO] [stdout] 1dbc7639257085f455f5b2ae42d36ae4c3d25175b8035091ceba20892d72992c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc9d93cd6b012f8e77c33a6d84edffe6c820d86668240cc5994c3571093f4bad
[INFO] running `Command { std: "docker" "start" "-a" "cc9d93cd6b012f8e77c33a6d84edffe6c820d86668240cc5994c3571093f4bad", kill_on_drop: false }`
[INFO] [stderr]    Compiling nbd-async v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `Command { std: "docker" "inspect" "cc9d93cd6b012f8e77c33a6d84edffe6c820d86668240cc5994c3571093f4bad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc9d93cd6b012f8e77c33a6d84edffe6c820d86668240cc5994c3571093f4bad", kill_on_drop: false }`
[INFO] [stdout] cc9d93cd6b012f8e77c33a6d84edffe6c820d86668240cc5994c3571093f4bad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 63e616fe168be03ababdd9b0a2f5cb00dfa77eb8cb68fa6dc1c692f21ba73a93
[INFO] running `Command { std: "docker" "start" "-a" "63e616fe168be03ababdd9b0a2f5cb00dfa77eb8cb68fa6dc1c692f21ba73a93", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nbd_async-828b8c5c101a12e9)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nbd-async
[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] [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" "63e616fe168be03ababdd9b0a2f5cb00dfa77eb8cb68fa6dc1c692f21ba73a93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63e616fe168be03ababdd9b0a2f5cb00dfa77eb8cb68fa6dc1c692f21ba73a93", kill_on_drop: false }`
[INFO] [stdout] 63e616fe168be03ababdd9b0a2f5cb00dfa77eb8cb68fa6dc1c692f21ba73a93