[INFO] fetching crate gatherr 0.1.0...
[INFO] testing gatherr-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate gatherr 0.1.0 into /workspace/builds/worker-44/source
[INFO] validating manifest of crates.io crate gatherr 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gatherr 0.1.0
[INFO] finished tweaking crates.io crate gatherr 0.1.0
[INFO] tweaked toml for crates.io crate gatherr 0.1.0 written to /workspace/builds/worker-44/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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" "+beta-2021-09-08" "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-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8dc4e626c7fda4a406eef370b11ed1d2b1036650b7634ff96551d0ba6f91405
[INFO] running `Command { std: "docker" "start" "-a" "c8dc4e626c7fda4a406eef370b11ed1d2b1036650b7634ff96551d0ba6f91405", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8dc4e626c7fda4a406eef370b11ed1d2b1036650b7634ff96551d0ba6f91405", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8dc4e626c7fda4a406eef370b11ed1d2b1036650b7634ff96551d0ba6f91405", kill_on_drop: false }`
[INFO] [stdout] c8dc4e626c7fda4a406eef370b11ed1d2b1036650b7634ff96551d0ba6f91405
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07c83f36706efdb9ba507adba33f154945f12dd614f68e0f9b9fe30746d27a3f
[INFO] running `Command { std: "docker" "start" "-a" "07c83f36706efdb9ba507adba33f154945f12dd614f68e0f9b9fe30746d27a3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling gatherr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "07c83f36706efdb9ba507adba33f154945f12dd614f68e0f9b9fe30746d27a3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07c83f36706efdb9ba507adba33f154945f12dd614f68e0f9b9fe30746d27a3f", kill_on_drop: false }`
[INFO] [stdout] 07c83f36706efdb9ba507adba33f154945f12dd614f68e0f9b9fe30746d27a3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df537a4783721156021b60b2591e9a049b7ff7b71bcb63a5ddfd26e2acadc452
[INFO] running `Command { std: "docker" "start" "-a" "df537a4783721156021b60b2591e9a049b7ff7b71bcb63a5ddfd26e2acadc452", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling gatherr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "df537a4783721156021b60b2591e9a049b7ff7b71bcb63a5ddfd26e2acadc452", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df537a4783721156021b60b2591e9a049b7ff7b71bcb63a5ddfd26e2acadc452", kill_on_drop: false }`
[INFO] [stdout] df537a4783721156021b60b2591e9a049b7ff7b71bcb63a5ddfd26e2acadc452
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 29b7271ec8eb34d25cee151a2948ff8c7b2ed9a7675b7a53b5c4f3b7735baabd
[INFO] running `Command { std: "docker" "start" "-a" "29b7271ec8eb34d25cee151a2948ff8c7b2ed9a7675b7a53b5c4f3b7735baabd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gatherr-c8c5c2650522d975)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test::empty_gather ... ok
[INFO] [stderr]    Doc-tests gatherr
[INFO] [stdout] test test::err_gather ... ok
[INFO] [stdout] test test::mixed_gather_initial_err ... ok
[INFO] [stdout] test test::mixed_gather_initial_ok ... ok
[INFO] [stdout] test test::ok_gather ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - gatherr (line 74) ... ok
[INFO] [stdout] test src/lib.rs - IterExt::gatherr (line 54) ... ok
[INFO] [stdout] test src/lib.rs - Gatherr (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.46s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "29b7271ec8eb34d25cee151a2948ff8c7b2ed9a7675b7a53b5c4f3b7735baabd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29b7271ec8eb34d25cee151a2948ff8c7b2ed9a7675b7a53b5c4f3b7735baabd", kill_on_drop: false }`
[INFO] [stdout] 29b7271ec8eb34d25cee151a2948ff8c7b2ed9a7675b7a53b5c4f3b7735baabd