[INFO] crate undo 0.40.0 is already in cache
[INFO] testing undo-0.40.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate undo 0.40.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate undo 0.40.0 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate undo 0.40.0
[INFO] finished tweaking crates.io crate undo 0.40.0
[INFO] tweaked toml for crates.io crate undo 0.40.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b25e66cafa1a6b1742896bfdd661af8df19d11cc0adbe64c4ad8da46788da2d
[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" "3b25e66cafa1a6b1742896bfdd661af8df19d11cc0adbe64c4ad8da46788da2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b25e66cafa1a6b1742896bfdd661af8df19d11cc0adbe64c4ad8da46788da2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b25e66cafa1a6b1742896bfdd661af8df19d11cc0adbe64c4ad8da46788da2d", kill_on_drop: false }`
[INFO] [stdout] 3b25e66cafa1a6b1742896bfdd661af8df19d11cc0adbe64c4ad8da46788da2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e22f4802d0e693190d33e689894893d1cb433deb77ee41b83079ad4348492136
[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" "e22f4802d0e693190d33e689894893d1cb433deb77ee41b83079ad4348492136", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling chrono v0.4.13
[INFO] [stderr]    Compiling undo v0.40.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.53s
[INFO] running `Command { std: "docker" "inspect" "e22f4802d0e693190d33e689894893d1cb433deb77ee41b83079ad4348492136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e22f4802d0e693190d33e689894893d1cb433deb77ee41b83079ad4348492136", kill_on_drop: false }`
[INFO] [stdout] e22f4802d0e693190d33e689894893d1cb433deb77ee41b83079ad4348492136
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8793c03349c3b87909d5ac5f18e613e82006ff3901e4ce48ea2aeb6a7f0aa930
[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" "8793c03349c3b87909d5ac5f18e613e82006ff3901e4ce48ea2aeb6a7f0aa930", kill_on_drop: false }`
[INFO] [stderr]    Compiling undo v0.40.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "8793c03349c3b87909d5ac5f18e613e82006ff3901e4ce48ea2aeb6a7f0aa930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8793c03349c3b87909d5ac5f18e613e82006ff3901e4ce48ea2aeb6a7f0aa930", kill_on_drop: false }`
[INFO] [stdout] 8793c03349c3b87909d5ac5f18e613e82006ff3901e4ce48ea2aeb6a7f0aa930
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] 360aaf3f1cff29201df1397ab2665b69510fb5009922148ddc27d518e97966ab
[INFO] running `Command { std: "docker" "start" "-a" "360aaf3f1cff29201df1397ab2665b69510fb5009922148ddc27d518e97966ab", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/undo-febc92148f180a73
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test checkpoint::tests::cancel ... ok
[INFO] [stdout] test record::tests::go_to ... ok
[INFO] [stdout] test checkpoint::tests::commit ... ok
[INFO] [stdout] test queue::tests::commit ... ok
[INFO] [stdout] test checkpoint::tests::saved ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests undo
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/display.rs - display::Display (line 9) ... ok
[INFO] [stdout] test src/record.rs - record::Builder (line 389) ... ok
[INFO] [stdout] test src/record.rs - record::Record (line 14) ... ok
[INFO] [stdout] test src/queue.rs - queue::Queue (line 9) ... ok
[INFO] [stdout] test src/checkpoint.rs - checkpoint::Checkpoint (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "360aaf3f1cff29201df1397ab2665b69510fb5009922148ddc27d518e97966ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "360aaf3f1cff29201df1397ab2665b69510fb5009922148ddc27d518e97966ab", kill_on_drop: false }`
[INFO] [stdout] 360aaf3f1cff29201df1397ab2665b69510fb5009922148ddc27d518e97966ab