[INFO] fetching crate undo 0.47.1...
[INFO] testing undo-0.47.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate undo 0.47.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate undo 0.47.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate undo 0.47.1
[INFO] finished tweaking crates.io crate undo 0.47.1
[INFO] tweaked toml for crates.io crate undo 0.47.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2460de6fc405dbdf3eaf1f60163184778abaee0f67d12050130cb6248c850d8c
[INFO] running `Command { std: "docker" "start" "-a" "2460de6fc405dbdf3eaf1f60163184778abaee0f67d12050130cb6248c850d8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2460de6fc405dbdf3eaf1f60163184778abaee0f67d12050130cb6248c850d8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2460de6fc405dbdf3eaf1f60163184778abaee0f67d12050130cb6248c850d8c", kill_on_drop: false }`
[INFO] [stdout] 2460de6fc405dbdf3eaf1f60163184778abaee0f67d12050130cb6248c850d8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fa54a82f123e17c08bb512befdce017208b47ac0224b8290855286a59de19ba
[INFO] running `Command { std: "docker" "start" "-a" "8fa54a82f123e17c08bb512befdce017208b47ac0224b8290855286a59de19ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling undo v0.47.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.53s
[INFO] running `Command { std: "docker" "inspect" "8fa54a82f123e17c08bb512befdce017208b47ac0224b8290855286a59de19ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fa54a82f123e17c08bb512befdce017208b47ac0224b8290855286a59de19ba", kill_on_drop: false }`
[INFO] [stdout] 8fa54a82f123e17c08bb512befdce017208b47ac0224b8290855286a59de19ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8964c446542cb0766fa7442c39ec11f6bdaedb1a7879f1b5fa35b1a9174cf930
[INFO] running `Command { std: "docker" "start" "-a" "8964c446542cb0766fa7442c39ec11f6bdaedb1a7879f1b5fa35b1a9174cf930", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling undo v0.47.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "8964c446542cb0766fa7442c39ec11f6bdaedb1a7879f1b5fa35b1a9174cf930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8964c446542cb0766fa7442c39ec11f6bdaedb1a7879f1b5fa35b1a9174cf930", kill_on_drop: false }`
[INFO] [stdout] 8964c446542cb0766fa7442c39ec11f6bdaedb1a7879f1b5fa35b1a9174cf930
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 75fe21c1b39cd7adf2213ba39f80c77e658521e26c448f48e0c028a6aa395bb6
[INFO] running `Command { std: "docker" "start" "-a" "75fe21c1b39cd7adf2213ba39f80c77e658521e26c448f48e0c028a6aa395bb6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/undo-41aedf02abe54436)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test record::tests::annul ... ok
[INFO] [stdout] test record::tests::checkpoint_cancel ... ok
[INFO] [stdout] test record::tests::checkpoint_commit ... ok
[INFO] [stdout] test history::tests::go_to ... ok
[INFO] [stdout] test record::tests::checkpoint_saved ... ok
[INFO] [stdout] test record::tests::dyn_trait ... ok
[INFO] [stdout] test record::tests::go_to ... ok
[INFO] [stdout] test record::tests::queue_commit ... ok
[INFO] [stdout] test timeline::tests::limit ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests undo
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/record.rs - record::Builder (line 418) ... ok
[INFO] [stdout] test src/history.rs - history::Builder (line 442) ... ok
[INFO] [stdout] test src/timeline.rs - timeline::Timeline (line 26) ... ok
[INFO] [stdout] test src/history.rs - history::Queue (line 521) ... ok
[INFO] [stdout] test src/record.rs - record::Record (line 32) ... ok
[INFO] [stdout] test src/record.rs - record::Queue (line 517) ... ok
[INFO] [stdout] test src/lib.rs - (line 36) ... ok
[INFO] [stdout] test src/history.rs - history::History (line 24) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.88s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "75fe21c1b39cd7adf2213ba39f80c77e658521e26c448f48e0c028a6aa395bb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75fe21c1b39cd7adf2213ba39f80c77e658521e26c448f48e0c028a6aa395bb6", kill_on_drop: false }`
[INFO] [stdout] 75fe21c1b39cd7adf2213ba39f80c77e658521e26c448f48e0c028a6aa395bb6