[INFO] fetching crate gatherr 0.1.0...
[INFO] testing gatherr-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate gatherr 0.1.0 into /workspace/builds/worker-110/source
[INFO] validating manifest of crates.io crate gatherr 0.1.0 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 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-110/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] [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-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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] f503e3ca0ebaa6f8442f5bb8435646e9b3b3c6bffb23a0365dfb07d3f62b1aee
[INFO] running `Command { std: "docker" "start" "-a" "f503e3ca0ebaa6f8442f5bb8435646e9b3b3c6bffb23a0365dfb07d3f62b1aee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f503e3ca0ebaa6f8442f5bb8435646e9b3b3c6bffb23a0365dfb07d3f62b1aee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f503e3ca0ebaa6f8442f5bb8435646e9b3b3c6bffb23a0365dfb07d3f62b1aee", kill_on_drop: false }`
[INFO] [stdout] f503e3ca0ebaa6f8442f5bb8435646e9b3b3c6bffb23a0365dfb07d3f62b1aee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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] 5857473e158f9aec68f7fcd4e47162c1caa7042cb88b51515729e15a471bc50b
[INFO] running `Command { std: "docker" "start" "-a" "5857473e158f9aec68f7fcd4e47162c1caa7042cb88b51515729e15a471bc50b", kill_on_drop: false }`
[INFO] [stderr]    Compiling gatherr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "5857473e158f9aec68f7fcd4e47162c1caa7042cb88b51515729e15a471bc50b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5857473e158f9aec68f7fcd4e47162c1caa7042cb88b51515729e15a471bc50b", kill_on_drop: false }`
[INFO] [stdout] 5857473e158f9aec68f7fcd4e47162c1caa7042cb88b51515729e15a471bc50b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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] 3547c155196abc3720e2ec467ea896e1186d07d2adcdd476c47832444d655e2d
[INFO] running `Command { std: "docker" "start" "-a" "3547c155196abc3720e2ec467ea896e1186d07d2adcdd476c47832444d655e2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling gatherr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "3547c155196abc3720e2ec467ea896e1186d07d2adcdd476c47832444d655e2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3547c155196abc3720e2ec467ea896e1186d07d2adcdd476c47832444d655e2d", kill_on_drop: false }`
[INFO] [stdout] 3547c155196abc3720e2ec467ea896e1186d07d2adcdd476c47832444d655e2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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] c8b227f8f7bb661feabdabaa7d84c160152c6b83b1a5919031d7151202a1e95d
[INFO] running `Command { std: "docker" "start" "-a" "c8b227f8f7bb661feabdabaa7d84c160152c6b83b1a5919031d7151202a1e95d", 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-7a998da3580d3547)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test::empty_gather ... ok
[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 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests gatherr
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - Gatherr (line 9) ... ok
[INFO] [stdout] test src/lib.rs - gatherr (line 74) ... ok
[INFO] [stdout] test src/lib.rs - IterExt::gatherr (line 54) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.43s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c8b227f8f7bb661feabdabaa7d84c160152c6b83b1a5919031d7151202a1e95d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8b227f8f7bb661feabdabaa7d84c160152c6b83b1a5919031d7151202a1e95d", kill_on_drop: false }`
[INFO] [stdout] c8b227f8f7bb661feabdabaa7d84c160152c6b83b1a5919031d7151202a1e95d