[INFO] fetching crate futures-either 0.1.0...
[INFO] testing futures-either-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate futures-either 0.1.0 into /workspace/builds/worker-105/source
[INFO] validating manifest of crates.io crate futures-either 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 futures-either 0.1.0
[INFO] finished tweaking crates.io crate futures-either 0.1.0
[INFO] tweaked toml for crates.io crate futures-either 0.1.0 written to /workspace/builds/worker-105/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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] 8ddfcbd1c9747697e2840b2ecf79eeb6b10663add0484def7d1204d267a9ee60
[INFO] running `Command { std: "docker" "start" "-a" "8ddfcbd1c9747697e2840b2ecf79eeb6b10663add0484def7d1204d267a9ee60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ddfcbd1c9747697e2840b2ecf79eeb6b10663add0484def7d1204d267a9ee60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ddfcbd1c9747697e2840b2ecf79eeb6b10663add0484def7d1204d267a9ee60", kill_on_drop: false }`
[INFO] [stdout] 8ddfcbd1c9747697e2840b2ecf79eeb6b10663add0484def7d1204d267a9ee60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] 7dd40d3c1ccebbd32a2d9280b9720a6617431663599bead99223db0711196352
[INFO] running `Command { std: "docker" "start" "-a" "7dd40d3c1ccebbd32a2d9280b9720a6617431663599bead99223db0711196352", kill_on_drop: false }`
[INFO] [stderr]    Compiling fastrand v1.5.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling futures-either v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "7dd40d3c1ccebbd32a2d9280b9720a6617431663599bead99223db0711196352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dd40d3c1ccebbd32a2d9280b9720a6617431663599bead99223db0711196352", kill_on_drop: false }`
[INFO] [stdout] 7dd40d3c1ccebbd32a2d9280b9720a6617431663599bead99223db0711196352
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] 9380da5ec9a90d9951504c624bc9f329ac2cd77876d34a3c663d8034ed745a16
[INFO] running `Command { std: "docker" "start" "-a" "9380da5ec9a90d9951504c624bc9f329ac2cd77876d34a3c663d8034ed745a16", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling futures-io v0.3.17
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling futures-either v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.06s
[INFO] running `Command { std: "docker" "inspect" "9380da5ec9a90d9951504c624bc9f329ac2cd77876d34a3c663d8034ed745a16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9380da5ec9a90d9951504c624bc9f329ac2cd77876d34a3c663d8034ed745a16", kill_on_drop: false }`
[INFO] [stdout] 9380da5ec9a90d9951504c624bc9f329ac2cd77876d34a3c663d8034ed745a16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] ea1b6f734b9978c4454eb03b2ecc753b81284877fa1c84e5129e00c77858d35e
[INFO] running `Command { std: "docker" "start" "-a" "ea1b6f734b9978c4454eb03b2ecc753b81284877fa1c84e5129e00c77858d35e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/futures_either-e5767a14b4f96d18)
[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] [stderr]    Doc-tests futures-either
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - either (line 98) ... ok
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] test src/lib.rs - try_either (line 175) ... ok
[INFO] [stdout] test src/lib.rs - either_fair (line 137) ... ok
[INFO] [stdout] test src/lib.rs - try_either_fair (line 215) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.42s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ea1b6f734b9978c4454eb03b2ecc753b81284877fa1c84e5129e00c77858d35e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea1b6f734b9978c4454eb03b2ecc753b81284877fa1c84e5129e00c77858d35e", kill_on_drop: false }`
[INFO] [stdout] ea1b6f734b9978c4454eb03b2ecc753b81284877fa1c84e5129e00c77858d35e