[INFO] fetching crate arenatree 0.1.3...
[INFO] testing arenatree-0.1.3 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate arenatree 0.1.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate arenatree 0.1.3 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arenatree 0.1.3
[INFO] finished tweaking crates.io crate arenatree 0.1.3
[INFO] tweaked toml for crates.io crate arenatree 0.1.3 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 286c7dab4f2b656654088dcd01a114a05cb595d8c8f21a87f3f6010d5194a75b
[INFO] running `Command { std: "docker" "start" "-a" "286c7dab4f2b656654088dcd01a114a05cb595d8c8f21a87f3f6010d5194a75b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "286c7dab4f2b656654088dcd01a114a05cb595d8c8f21a87f3f6010d5194a75b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "286c7dab4f2b656654088dcd01a114a05cb595d8c8f21a87f3f6010d5194a75b", kill_on_drop: false }`
[INFO] [stdout] 286c7dab4f2b656654088dcd01a114a05cb595d8c8f21a87f3f6010d5194a75b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 318420e77f12d98e32878d34a8bf8d91e6b08b1c001d77c960b704ca3ee60d65
[INFO] running `Command { std: "docker" "start" "-a" "318420e77f12d98e32878d34a8bf8d91e6b08b1c001d77c960b704ca3ee60d65", kill_on_drop: false }`
[INFO] [stderr]    Compiling arenatree v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "318420e77f12d98e32878d34a8bf8d91e6b08b1c001d77c960b704ca3ee60d65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "318420e77f12d98e32878d34a8bf8d91e6b08b1c001d77c960b704ca3ee60d65", kill_on_drop: false }`
[INFO] [stdout] 318420e77f12d98e32878d34a8bf8d91e6b08b1c001d77c960b704ca3ee60d65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c28744dc64009c328f02a97b97996489de04c15caa5ebd583956739d96ccfcb3
[INFO] running `Command { std: "docker" "start" "-a" "c28744dc64009c328f02a97b97996489de04c15caa5ebd583956739d96ccfcb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling arenatree v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "c28744dc64009c328f02a97b97996489de04c15caa5ebd583956739d96ccfcb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c28744dc64009c328f02a97b97996489de04c15caa5ebd583956739d96ccfcb3", kill_on_drop: false }`
[INFO] [stdout] c28744dc64009c328f02a97b97996489de04c15caa5ebd583956739d96ccfcb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dda4c734dc081fa626fc2e13ca5c761590b4cc47a8052faf77cd62e251f81269
[INFO] running `Command { std: "docker" "start" "-a" "dda4c734dc081fa626fc2e13ca5c761590b4cc47a8052faf77cd62e251f81269", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/arenatree-90f2ba77ff2d9074)
[INFO] [stdout] test arena::tests::it_should_return_node_ids ... ok
[INFO] [stderr]    Doc-tests arenatree
[INFO] [stdout] test arena::tests::it_should_not_return_node_ids_of_removed_elements ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "dda4c734dc081fa626fc2e13ca5c761590b4cc47a8052faf77cd62e251f81269", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dda4c734dc081fa626fc2e13ca5c761590b4cc47a8052faf77cd62e251f81269", kill_on_drop: false }`
[INFO] [stdout] dda4c734dc081fa626fc2e13ca5c761590b4cc47a8052faf77cd62e251f81269