[INFO] fetching crate kravltree 0.1.0...
[INFO] testing kravltree-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate kravltree 0.1.0 into /workspace/builds/worker-25/source
[INFO] validating manifest of crates.io crate kravltree 0.1.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kravltree 0.1.0
[INFO] finished tweaking crates.io crate kravltree 0.1.0
[INFO] tweaked toml for crates.io crate kravltree 0.1.0 written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3225d9e37d88debd500e0474bfef3d7e4d995aff2054e092ff38bd4e662705c
[INFO] running `Command { std: "docker" "start" "-a" "e3225d9e37d88debd500e0474bfef3d7e4d995aff2054e092ff38bd4e662705c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3225d9e37d88debd500e0474bfef3d7e4d995aff2054e092ff38bd4e662705c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3225d9e37d88debd500e0474bfef3d7e4d995aff2054e092ff38bd4e662705c", kill_on_drop: false }`
[INFO] [stdout] e3225d9e37d88debd500e0474bfef3d7e4d995aff2054e092ff38bd4e662705c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b5525686043c36c4982a618d96c5973e8e70d820a589f91b4b7cf54ae50c35b
[INFO] running `Command { std: "docker" "start" "-a" "5b5525686043c36c4982a618d96c5973e8e70d820a589f91b4b7cf54ae50c35b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling kravltree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.36s
[INFO] running `Command { std: "docker" "inspect" "5b5525686043c36c4982a618d96c5973e8e70d820a589f91b4b7cf54ae50c35b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b5525686043c36c4982a618d96c5973e8e70d820a589f91b4b7cf54ae50c35b", kill_on_drop: false }`
[INFO] [stdout] 5b5525686043c36c4982a618d96c5973e8e70d820a589f91b4b7cf54ae50c35b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] beb1d8d74f266f1d8c954adfa62e6c05bf0cf80b825d29f117dab9f6fa933ce5
[INFO] running `Command { std: "docker" "start" "-a" "beb1d8d74f266f1d8c954adfa62e6c05bf0cf80b825d29f117dab9f6fa933ce5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling kravltree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "beb1d8d74f266f1d8c954adfa62e6c05bf0cf80b825d29f117dab9f6fa933ce5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "beb1d8d74f266f1d8c954adfa62e6c05bf0cf80b825d29f117dab9f6fa933ce5", kill_on_drop: false }`
[INFO] [stdout] beb1d8d74f266f1d8c954adfa62e6c05bf0cf80b825d29f117dab9f6fa933ce5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dedcc96d93b2d9621c146dacfabf00bad1901919da1c0c797e8a5a627d063790
[INFO] running `Command { std: "docker" "start" "-a" "dedcc96d93b2d9621c146dacfabf00bad1901919da1c0c797e8a5a627d063790", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kravltree-1cb0be6520cf6fc2)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::insertion_test ... ok
[INFO] [stdout] test tests::proper_structure_after_clear ... ok
[INFO] [stdout] test tests::proper_order_after_add_to_set ... ok
[INFO] [stdout] test tests::proper_structure_after_removal_plus_iteration ... ok
[INFO] [stdout] test tests::proper_structure_after_retain ... ok
[INFO] [stdout] test tests::proper_structure_after_removal ... ok
[INFO] [stdout] test tests::proper_structure_after_value_change ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests kravltree
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dedcc96d93b2d9621c146dacfabf00bad1901919da1c0c797e8a5a627d063790", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dedcc96d93b2d9621c146dacfabf00bad1901919da1c0c797e8a5a627d063790", kill_on_drop: false }`
[INFO] [stdout] dedcc96d93b2d9621c146dacfabf00bad1901919da1c0c797e8a5a627d063790