[INFO] fetching crate either 1.6.1...
[INFO] testing either-1.6.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate either 1.6.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate either 1.6.1 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 either 1.6.1
[INFO] finished tweaking crates.io crate either 1.6.1
[INFO] tweaked toml for crates.io crate either 1.6.1 written to /workspace/builds/worker-2/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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b281939cfcac9715a9a2f2fb478dac4543712b559dd0eb2aab0180d752485a54
[INFO] running `Command { std: "docker" "start" "-a" "b281939cfcac9715a9a2f2fb478dac4543712b559dd0eb2aab0180d752485a54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b281939cfcac9715a9a2f2fb478dac4543712b559dd0eb2aab0180d752485a54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b281939cfcac9715a9a2f2fb478dac4543712b559dd0eb2aab0180d752485a54", kill_on_drop: false }`
[INFO] [stdout] b281939cfcac9715a9a2f2fb478dac4543712b559dd0eb2aab0180d752485a54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 029c4e7707ee2a036e4e89b49216b149d739a825f08779e8a8ce39a294edf1d4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "029c4e7707ee2a036e4e89b49216b149d739a825f08779e8a8ce39a294edf1d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "029c4e7707ee2a036e4e89b49216b149d739a825f08779e8a8ce39a294edf1d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "029c4e7707ee2a036e4e89b49216b149d739a825f08779e8a8ce39a294edf1d4", kill_on_drop: false }`
[INFO] [stdout] 029c4e7707ee2a036e4e89b49216b149d739a825f08779e8a8ce39a294edf1d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] e81ed779f5dfddbfabed5bb0793ea804987ee4f85388392435fc2e9e317f2d1a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e81ed779f5dfddbfabed5bb0793ea804987ee4f85388392435fc2e9e317f2d1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling either v1.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.16s
[INFO] running `Command { std: "docker" "inspect" "e81ed779f5dfddbfabed5bb0793ea804987ee4f85388392435fc2e9e317f2d1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e81ed779f5dfddbfabed5bb0793ea804987ee4f85388392435fc2e9e317f2d1a", kill_on_drop: false }`
[INFO] [stdout] e81ed779f5dfddbfabed5bb0793ea804987ee4f85388392435fc2e9e317f2d1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ca61f068b2801ceb14068a25823a0cb5bbca4d145418d0994de94497b92cecea
[INFO] running `Command { std: "docker" "start" "-a" "ca61f068b2801ceb14068a25823a0cb5bbca4d145418d0994de94497b92cecea", 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/either-47073cc14bdb7a4b)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test basic ... ok
[INFO] [stdout] test error ... ok
[INFO] [stdout] test deref ... ok
[INFO] [stdout] test macros ... ok
[INFO] [stdout] test read_write ... ok
[INFO] [stdout] test iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests either
[INFO] [stdout] 
[INFO] [stdout] running 33 tests
[INFO] [stdout] test src/lib.rs - Either<L, R>::expect_left (line 604) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::expect_right (line 643) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::left (line 143) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::is_left (line 114) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::as_mut (line 197) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::as_ref (line 179) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::expect_right (line 633) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::expect_left (line 614) ... ok
[INFO] [stdout] test src/lib.rs - Either<(L, T), (R, T)>::factor_second (line 685) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::is_right (line 130) ... ok
[INFO] [stdout] test src/lib.rs - Either<(T, L), (T, R)>::factor_first (line 664) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::either (line 286) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::either_with (line 312) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::flip (line 222) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::into_iter (line 383) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::left_and_then (line 341) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::map_right (line 263) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::map_left (line 241) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::right_and_then (line 362) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::left_or (line 412) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::unwrap_left (line 544) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::right_or (line 481) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::unwrap_left (line 554) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::left_or_default (line 431) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::right_or_else (line 522) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::unwrap_right (line 585) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::right (line 161) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::left_or_else (line 453) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::unwrap_right (line 575) ... ok
[INFO] [stdout] test src/lib.rs - Either<T, T>::into_inner (line 704) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::right_or_default (line 500) ... ok
[INFO] [stdout] test src/lib.rs - Either<T, T>::map (line 720) ... ok
[INFO] [stdout] test src/lib.rs - try_left (line 76) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 33 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.16s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ca61f068b2801ceb14068a25823a0cb5bbca4d145418d0994de94497b92cecea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca61f068b2801ceb14068a25823a0cb5bbca4d145418d0994de94497b92cecea", kill_on_drop: false }`
[INFO] [stdout] ca61f068b2801ceb14068a25823a0cb5bbca4d145418d0994de94497b92cecea