[INFO] fetching crate simple-undo 0.1.1...
[INFO] testing simple-undo-0.1.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate simple-undo 0.1.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate simple-undo 0.1.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simple-undo 0.1.1
[INFO] finished tweaking crates.io crate simple-undo 0.1.1
[INFO] tweaked toml for crates.io crate simple-undo 0.1.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 8560e0e42efc3ab33a2a930307aa4a5fbc710dde017e747ed229824b29e41b11
[INFO] running `Command { std: "docker" "start" "-a" "8560e0e42efc3ab33a2a930307aa4a5fbc710dde017e747ed229824b29e41b11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8560e0e42efc3ab33a2a930307aa4a5fbc710dde017e747ed229824b29e41b11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8560e0e42efc3ab33a2a930307aa4a5fbc710dde017e747ed229824b29e41b11", kill_on_drop: false }`
[INFO] [stdout] 8560e0e42efc3ab33a2a930307aa4a5fbc710dde017e747ed229824b29e41b11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", 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] 4bebf8551d7a9927ddf504d74dc4765d069d009336dce6768f87594fc9e306e4
[INFO] running `Command { std: "docker" "start" "-a" "4bebf8551d7a9927ddf504d74dc4765d069d009336dce6768f87594fc9e306e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple-undo v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "4bebf8551d7a9927ddf504d74dc4765d069d009336dce6768f87594fc9e306e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bebf8551d7a9927ddf504d74dc4765d069d009336dce6768f87594fc9e306e4", kill_on_drop: false }`
[INFO] [stdout] 4bebf8551d7a9927ddf504d74dc4765d069d009336dce6768f87594fc9e306e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", 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] 9c0568640291ea2976719e157e9639c3c486839deb2cfce56e4cffe537f5cf95
[INFO] running `Command { std: "docker" "start" "-a" "9c0568640291ea2976719e157e9639c3c486839deb2cfce56e4cffe537f5cf95", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple-undo v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.24s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/simple_undo-558bba40e47128e1)
[INFO] running `Command { std: "docker" "inspect" "9c0568640291ea2976719e157e9639c3c486839deb2cfce56e4cffe537f5cf95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c0568640291ea2976719e157e9639c3c486839deb2cfce56e4cffe537f5cf95", kill_on_drop: false }`
[INFO] [stdout] 9c0568640291ea2976719e157e9639c3c486839deb2cfce56e4cffe537f5cf95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 93237d2e1d92d41904a83b12dcb0bffc3bbac7f3fb761a77b77b7b3b8a1c7d7e
[INFO] running `Command { std: "docker" "start" "-a" "93237d2e1d92d41904a83b12dcb0bffc3bbac7f3fb761a77b77b7b3b8a1c7d7e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/simple_undo-558bba40e47128e1)
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::it_unwraps_the_inner_value ... ok
[INFO] [stderr]    Doc-tests simple-undo
[INFO] [stdout] test tests::it_discards_previous_updates_when_updating_after_an_undo ... ok
[INFO] [stdout] test tests::it_does_nothing_on_too_many_undo_or_redo ... ok
[INFO] [stdout] test tests::it_can_undo_and_redo_updates ... ok
[INFO] [stdout] test tests::it_works_with_capturing_closures ... ok
[INFO] [stdout] test tests::it_works_with_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - Undo::update (line 59) ... ok
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] test src/lib.rs - Undo::undo (line 80) ... ok
[INFO] [stdout] test src/lib.rs - Undo::new (line 24) ... ok
[INFO] [stdout] test src/lib.rs - Undo::redo (line 109) ... ok
[INFO] [stdout] test src/lib.rs - Undo::unwrap (line 41) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.64s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "93237d2e1d92d41904a83b12dcb0bffc3bbac7f3fb761a77b77b7b3b8a1c7d7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93237d2e1d92d41904a83b12dcb0bffc3bbac7f3fb761a77b77b7b3b8a1c7d7e", kill_on_drop: false }`
[INFO] [stdout] 93237d2e1d92d41904a83b12dcb0bffc3bbac7f3fb761a77b77b7b3b8a1c7d7e