[INFO] fetching crate ds-bst 0.2.0...
[INFO] testing ds-bst-0.2.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate ds-bst 0.2.0 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate ds-bst 0.2.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ds-bst 0.2.0
[INFO] finished tweaking crates.io crate ds-bst 0.2.0
[INFO] tweaked toml for crates.io crate ds-bst 0.2.0 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 260cdf12ed837fff335c4121709cc2d7791c0851c459655c7d7a0c05937f2210
[INFO] running `Command { std: "docker" "start" "-a" "260cdf12ed837fff335c4121709cc2d7791c0851c459655c7d7a0c05937f2210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "260cdf12ed837fff335c4121709cc2d7791c0851c459655c7d7a0c05937f2210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "260cdf12ed837fff335c4121709cc2d7791c0851c459655c7d7a0c05937f2210", kill_on_drop: false }`
[INFO] [stdout] 260cdf12ed837fff335c4121709cc2d7791c0851c459655c7d7a0c05937f2210
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14c60a9d218cd44429eb4eceed86708e75eef94a37de0011c6411c0a0126a205
[INFO] running `Command { std: "docker" "start" "-a" "14c60a9d218cd44429eb4eceed86708e75eef94a37de0011c6411c0a0126a205", kill_on_drop: false }`
[INFO] [stderr]    Compiling ds-bst v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "14c60a9d218cd44429eb4eceed86708e75eef94a37de0011c6411c0a0126a205", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14c60a9d218cd44429eb4eceed86708e75eef94a37de0011c6411c0a0126a205", kill_on_drop: false }`
[INFO] [stdout] 14c60a9d218cd44429eb4eceed86708e75eef94a37de0011c6411c0a0126a205
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd31090bb8b87cad56dc8e47f8d69177009fd04c8673ab262529f9b096636f2b
[INFO] running `Command { std: "docker" "start" "-a" "dd31090bb8b87cad56dc8e47f8d69177009fd04c8673ab262529f9b096636f2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling ds-bst v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "dd31090bb8b87cad56dc8e47f8d69177009fd04c8673ab262529f9b096636f2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd31090bb8b87cad56dc8e47f8d69177009fd04c8673ab262529f9b096636f2b", kill_on_drop: false }`
[INFO] [stdout] dd31090bb8b87cad56dc8e47f8d69177009fd04c8673ab262529f9b096636f2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f0ff43844f7ae89a87f14b91551846ad53931c1443d0430e8a31a0020ae5b79e
[INFO] running `Command { std: "docker" "start" "-a" "f0ff43844f7ae89a87f14b91551846ad53931c1443d0430e8a31a0020ae5b79e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ds_bst-c3c092b22e5caff6)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test bst::tests::build_from_node ... ok
[INFO] [stdout] test bst::tests::build ... ok
[INFO] [stdout] test bst::tests::even ... ok
[INFO] [stdout] test bst::tests::float ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ds-bst
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/bst.rs - bst::BinarySearchTree (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f0ff43844f7ae89a87f14b91551846ad53931c1443d0430e8a31a0020ae5b79e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0ff43844f7ae89a87f14b91551846ad53931c1443d0430e8a31a0020ae5b79e", kill_on_drop: false }`
[INFO] [stdout] f0ff43844f7ae89a87f14b91551846ad53931c1443d0430e8a31a0020ae5b79e