[INFO] fetching crate ds-bst 0.1.0...
[INFO] testing ds-bst-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate ds-bst 0.1.0 into /workspace/builds/worker-39/source
[INFO] validating manifest of crates.io crate ds-bst 0.1.0 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 ds-bst 0.1.0
[INFO] finished tweaking crates.io crate ds-bst 0.1.0
[INFO] tweaked toml for crates.io crate ds-bst 0.1.0 written to /workspace/builds/worker-39/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] 18ec56afd11dd7b2a7ae25a1425ecbbe68de76d3dabe080c4899314fbd7bc9b8
[INFO] running `Command { std: "docker" "start" "-a" "18ec56afd11dd7b2a7ae25a1425ecbbe68de76d3dabe080c4899314fbd7bc9b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18ec56afd11dd7b2a7ae25a1425ecbbe68de76d3dabe080c4899314fbd7bc9b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18ec56afd11dd7b2a7ae25a1425ecbbe68de76d3dabe080c4899314fbd7bc9b8", kill_on_drop: false }`
[INFO] [stdout] 18ec56afd11dd7b2a7ae25a1425ecbbe68de76d3dabe080c4899314fbd7bc9b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] 2787b1ec5219d4af5cb1e69249a2a28eb2c1e50c3baca7e9bb1d26ba4ffa822d
[INFO] running `Command { std: "docker" "start" "-a" "2787b1ec5219d4af5cb1e69249a2a28eb2c1e50c3baca7e9bb1d26ba4ffa822d", kill_on_drop: false }`
[INFO] [stderr]    Compiling ds-bst v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "2787b1ec5219d4af5cb1e69249a2a28eb2c1e50c3baca7e9bb1d26ba4ffa822d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2787b1ec5219d4af5cb1e69249a2a28eb2c1e50c3baca7e9bb1d26ba4ffa822d", kill_on_drop: false }`
[INFO] [stdout] 2787b1ec5219d4af5cb1e69249a2a28eb2c1e50c3baca7e9bb1d26ba4ffa822d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] 4f0cc6e1aa226f82e267f018b83d83e17d1df6ef954f764d86521d845af63da1
[INFO] running `Command { std: "docker" "start" "-a" "4f0cc6e1aa226f82e267f018b83d83e17d1df6ef954f764d86521d845af63da1", kill_on_drop: false }`
[INFO] [stderr]    Compiling ds-bst v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "4f0cc6e1aa226f82e267f018b83d83e17d1df6ef954f764d86521d845af63da1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f0cc6e1aa226f82e267f018b83d83e17d1df6ef954f764d86521d845af63da1", kill_on_drop: false }`
[INFO] [stdout] 4f0cc6e1aa226f82e267f018b83d83e17d1df6ef954f764d86521d845af63da1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] 4277519f8bf8959e7b1a35918aeec7c7255dfe256a08ed4ced73817b764afb62
[INFO] running `Command { std: "docker" "start" "-a" "4277519f8bf8959e7b1a35918aeec7c7255dfe256a08ed4ced73817b764afb62", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ds_bst-893ad45cc2fe7456)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ds-bst
[INFO] [stdout] running 4 tests
[INFO] [stdout] test bst::tests::build ... ok
[INFO] [stdout] test bst::tests::even ... ok
[INFO] [stdout] test bst::tests::build_from_node ... 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] [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 0.53s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4277519f8bf8959e7b1a35918aeec7c7255dfe256a08ed4ced73817b764afb62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4277519f8bf8959e7b1a35918aeec7c7255dfe256a08ed4ced73817b764afb62", kill_on_drop: false }`
[INFO] [stdout] 4277519f8bf8959e7b1a35918aeec7c7255dfe256a08ed4ced73817b764afb62