[INFO] fetching crate tree-collection 0.1.0...
[INFO] testing tree-collection-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate tree-collection 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tree-collection 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 tree-collection 0.1.0
[INFO] finished tweaking crates.io crate tree-collection 0.1.0
[INFO] tweaked toml for crates.io crate tree-collection 0.1.0 written to /workspace/builds/worker-4/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 5d35aa7d549e07d8fedbf34497cc420810b17a59c8e16f61508bdb02d12c145e
[INFO] running `Command { std: "docker" "start" "-a" "5d35aa7d549e07d8fedbf34497cc420810b17a59c8e16f61508bdb02d12c145e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d35aa7d549e07d8fedbf34497cc420810b17a59c8e16f61508bdb02d12c145e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d35aa7d549e07d8fedbf34497cc420810b17a59c8e16f61508bdb02d12c145e", kill_on_drop: false }`
[INFO] [stdout] 5d35aa7d549e07d8fedbf34497cc420810b17a59c8e16f61508bdb02d12c145e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] a81678c7fccb4581718434f62e0d4033c6459f4fe9d8128d0c4f0d88933599a8
[INFO] running `Command { std: "docker" "start" "-a" "a81678c7fccb4581718434f62e0d4033c6459f4fe9d8128d0c4f0d88933599a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling tree-collection v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "a81678c7fccb4581718434f62e0d4033c6459f4fe9d8128d0c4f0d88933599a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a81678c7fccb4581718434f62e0d4033c6459f4fe9d8128d0c4f0d88933599a8", kill_on_drop: false }`
[INFO] [stdout] a81678c7fccb4581718434f62e0d4033c6459f4fe9d8128d0c4f0d88933599a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] f6eb175902a4f6c0f74f00bca7054534fe30f183104f42d86f8614adc488f7da
[INFO] running `Command { std: "docker" "start" "-a" "f6eb175902a4f6c0f74f00bca7054534fe30f183104f42d86f8614adc488f7da", kill_on_drop: false }`
[INFO] [stderr]    Compiling tree-collection v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "f6eb175902a4f6c0f74f00bca7054534fe30f183104f42d86f8614adc488f7da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6eb175902a4f6c0f74f00bca7054534fe30f183104f42d86f8614adc488f7da", kill_on_drop: false }`
[INFO] [stdout] f6eb175902a4f6c0f74f00bca7054534fe30f183104f42d86f8614adc488f7da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 15b19390b7e971f50d31067acdc4dfa2dc333d6fb8f6d9909b7141b5ec45f3e0
[INFO] running `Command { std: "docker" "start" "-a" "15b19390b7e971f50d31067acdc4dfa2dc333d6fb8f6d9909b7141b5ec45f3e0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tree_collection-0f66e5777811436d)
[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] [stderr]    Doc-tests tree-collection
[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" "15b19390b7e971f50d31067acdc4dfa2dc333d6fb8f6d9909b7141b5ec45f3e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15b19390b7e971f50d31067acdc4dfa2dc333d6fb8f6d9909b7141b5ec45f3e0", kill_on_drop: false }`
[INFO] [stdout] 15b19390b7e971f50d31067acdc4dfa2dc333d6fb8f6d9909b7141b5ec45f3e0