[INFO] fetching crate fallible-iterator 0.2.0...
[INFO] testing fallible-iterator-0.2.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate fallible-iterator 0.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate fallible-iterator 0.2.0 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 fallible-iterator 0.2.0
[INFO] finished tweaking crates.io crate fallible-iterator 0.2.0
[INFO] tweaked toml for crates.io crate fallible-iterator 0.2.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 27c6dccf59a9bbe6bec5a0b26cb18abe2be3a3d871486254e4c5fc52e62deb7e
[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" "27c6dccf59a9bbe6bec5a0b26cb18abe2be3a3d871486254e4c5fc52e62deb7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27c6dccf59a9bbe6bec5a0b26cb18abe2be3a3d871486254e4c5fc52e62deb7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27c6dccf59a9bbe6bec5a0b26cb18abe2be3a3d871486254e4c5fc52e62deb7e", kill_on_drop: false }`
[INFO] [stdout] 27c6dccf59a9bbe6bec5a0b26cb18abe2be3a3d871486254e4c5fc52e62deb7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 7d6e975571ecaa2d6c5afaf266d622762095b499f06c5c951823a25a9ef7937e
[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" "7d6e975571ecaa2d6c5afaf266d622762095b499f06c5c951823a25a9ef7937e", kill_on_drop: false }`
[INFO] [stderr]    Compiling fallible-iterator v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "7d6e975571ecaa2d6c5afaf266d622762095b499f06c5c951823a25a9ef7937e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d6e975571ecaa2d6c5afaf266d622762095b499f06c5c951823a25a9ef7937e", kill_on_drop: false }`
[INFO] [stdout] 7d6e975571ecaa2d6c5afaf266d622762095b499f06c5c951823a25a9ef7937e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] c2487ab851b3afde8129ed95e8de9e4ea92d49df34fdc8eacdf76a67b0081cf9
[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" "c2487ab851b3afde8129ed95e8de9e4ea92d49df34fdc8eacdf76a67b0081cf9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fallible-iterator v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.14s
[INFO] running `Command { std: "docker" "inspect" "c2487ab851b3afde8129ed95e8de9e4ea92d49df34fdc8eacdf76a67b0081cf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2487ab851b3afde8129ed95e8de9e4ea92d49df34fdc8eacdf76a67b0081cf9", kill_on_drop: false }`
[INFO] [stdout] c2487ab851b3afde8129ed95e8de9e4ea92d49df34fdc8eacdf76a67b0081cf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] e80b9211c2c03535ab5a86ab7c0fa8250eb57a8dc11a698447e72d8d0d2a3261
[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" "e80b9211c2c03535ab5a86ab7c0fa8250eb57a8dc11a698447e72d8d0d2a3261", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fallible_iterator-a89c8eecb97af629)
[INFO] [stdout] 
[INFO] [stdout] running 36 tests
[INFO] [stdout] test test::any ... ok
[INFO] [stdout] test test::chain ... ok
[INFO] [stdout] test test::enumerate ... ok
[INFO] [stdout] test test::filter ... ok
[INFO] [stdout] test test::filter_map ... ok
[INFO] [stdout] test test::flat_map ... ok
[INFO] [stdout] test test::flatten ... ok
[INFO] [stdout] test test::inspect ... ok
[INFO] [stdout] test test::iterator ... ok
[INFO] [stdout] test test::for_each ... ok
[INFO] [stdout] test test::min ... ok
[INFO] [stdout] test test::min_by ... ok
[INFO] [stdout] test test::max_by ... ok
[INFO] [stdout] test test::max ... ok
[INFO] [stdout] test test::min_by_key ... ok
[INFO] [stdout] test test::partition ... ok
[INFO] [stdout] test test::peekable ... ok
[INFO] [stdout] test test::nth ... ok
[INFO] [stdout] test test::count ... ok
[INFO] [stdout] test test::cycle ... ok
[INFO] [stdout] test test::position ... ok
[INFO] [stdout] test test::scan ... ok
[INFO] [stdout] test test::max_by_key ... ok
[INFO] [stdout] test test::step_by ... ok
[INFO] [stdout] test test::take ... ok
[INFO] [stdout] test test::take_while ... ok
[INFO] [stdout] test test::map_err ... ok
[INFO] [stdout] test test::unzip ... ok
[INFO] [stdout] test test::skip_while ... ok
[INFO] [stdout] test test::skip ... ok
[INFO] [stderr]    Doc-tests fallible-iterator
[INFO] [stdout] test test::all ... ok
[INFO] [stdout] test test::last ... ok
[INFO] [stdout] test test::map ... ok
[INFO] [stdout] test test::find ... ok
[INFO] [stdout] test test::find_map ... ok
[INFO] [stdout] test test::fold ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 36 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 10) ... ignored
[INFO] [stdout] test src/lib.rs - (line 22) ... ignored
[INFO] [stdout] test src/lib.rs - (line 40) ... ignored
[INFO] [stdout] test src/lib.rs - (line 58) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out; finished in 0.64s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e80b9211c2c03535ab5a86ab7c0fa8250eb57a8dc11a698447e72d8d0d2a3261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e80b9211c2c03535ab5a86ab7c0fa8250eb57a8dc11a698447e72d8d0d2a3261", kill_on_drop: false }`
[INFO] [stdout] e80b9211c2c03535ab5a86ab7c0fa8250eb57a8dc11a698447e72d8d0d2a3261