[INFO] fetching crate testwriter 0.1.3...
[INFO] testing testwriter-0.1.3 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate testwriter 0.1.3 into /workspace/builds/worker-39/source
[INFO] validating manifest of crates.io crate testwriter 0.1.3 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate testwriter 0.1.3
[INFO] finished tweaking crates.io crate testwriter 0.1.3
[INFO] tweaked toml for crates.io crate testwriter 0.1.3 written to /workspace/builds/worker-39/source/Cargo.toml
[INFO] crate crates.io crate testwriter 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80153b7b7342a51bf2e8dad2728ea24000c202dbc82356ef7cc6d322ea14bcb9
[INFO] running `Command { std: "docker" "start" "-a" "80153b7b7342a51bf2e8dad2728ea24000c202dbc82356ef7cc6d322ea14bcb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80153b7b7342a51bf2e8dad2728ea24000c202dbc82356ef7cc6d322ea14bcb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80153b7b7342a51bf2e8dad2728ea24000c202dbc82356ef7cc6d322ea14bcb9", kill_on_drop: false }`
[INFO] [stdout] 80153b7b7342a51bf2e8dad2728ea24000c202dbc82356ef7cc6d322ea14bcb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2a5746245b6ca3d89ae0217cd2fe0ce772544782fb498599f964f4b12b84b2f
[INFO] running `Command { std: "docker" "start" "-a" "a2a5746245b6ca3d89ae0217cd2fe0ce772544782fb498599f964f4b12b84b2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]    Compiling dbus v0.9.2
[INFO] [stderr]    Compiling testwriter v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.16s
[INFO] running `Command { std: "docker" "inspect" "a2a5746245b6ca3d89ae0217cd2fe0ce772544782fb498599f964f4b12b84b2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2a5746245b6ca3d89ae0217cd2fe0ce772544782fb498599f964f4b12b84b2f", kill_on_drop: false }`
[INFO] [stdout] a2a5746245b6ca3d89ae0217cd2fe0ce772544782fb498599f964f4b12b84b2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf30f8eab3a4bff5d1524c28b857f747cb2340dfd571e63fe74fd1ccc66b629b
[INFO] running `Command { std: "docker" "start" "-a" "bf30f8eab3a4bff5d1524c28b857f747cb2340dfd571e63fe74fd1ccc66b629b", kill_on_drop: false }`
[INFO] [stderr]    Compiling testwriter v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "bf30f8eab3a4bff5d1524c28b857f747cb2340dfd571e63fe74fd1ccc66b629b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf30f8eab3a4bff5d1524c28b857f747cb2340dfd571e63fe74fd1ccc66b629b", kill_on_drop: false }`
[INFO] [stdout] bf30f8eab3a4bff5d1524c28b857f747cb2340dfd571e63fe74fd1ccc66b629b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 68a82b8f4bd05ace7b49b881bc4a7e994a46a618f13be0f048a06cc4d45eb0c6
[INFO] running `Command { std: "docker" "start" "-a" "68a82b8f4bd05ace7b49b881bc4a7e994a46a618f13be0f048a06cc4d45eb0c6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/testwriter-55e78bf2000ffbb9)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/monitor-b731297feda6491d)
[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] [stderr]    Doc-tests testwriter
[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] [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" "68a82b8f4bd05ace7b49b881bc4a7e994a46a618f13be0f048a06cc4d45eb0c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68a82b8f4bd05ace7b49b881bc4a7e994a46a618f13be0f048a06cc4d45eb0c6", kill_on_drop: false }`
[INFO] [stdout] 68a82b8f4bd05ace7b49b881bc4a7e994a46a618f13be0f048a06cc4d45eb0c6