[INFO] fetching crate be-tree 0.1.0...
[INFO] testing be-tree-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate be-tree 0.1.0 into /workspace/builds/worker-84/source
[INFO] validating manifest of crates.io crate be-tree 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate be-tree 0.1.0
[INFO] finished tweaking crates.io crate be-tree 0.1.0
[INFO] tweaked toml for crates.io crate be-tree 0.1.0 written to /workspace/builds/worker-84/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 328b7bcc3591dbf54397f6438789962372175fc31e3024413a176c6cfcb24677
[INFO] running `Command { std: "docker" "start" "-a" "328b7bcc3591dbf54397f6438789962372175fc31e3024413a176c6cfcb24677", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "328b7bcc3591dbf54397f6438789962372175fc31e3024413a176c6cfcb24677", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "328b7bcc3591dbf54397f6438789962372175fc31e3024413a176c6cfcb24677", kill_on_drop: false }`
[INFO] [stdout] 328b7bcc3591dbf54397f6438789962372175fc31e3024413a176c6cfcb24677
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18a993f02d6aec2c8bfa6d8cafdc9a5f5981408cbd879860c48871f3efdf548b
[INFO] running `Command { std: "docker" "start" "-a" "18a993f02d6aec2c8bfa6d8cafdc9a5f5981408cbd879860c48871f3efdf548b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling be-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.40s
[INFO] running `Command { std: "docker" "inspect" "18a993f02d6aec2c8bfa6d8cafdc9a5f5981408cbd879860c48871f3efdf548b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18a993f02d6aec2c8bfa6d8cafdc9a5f5981408cbd879860c48871f3efdf548b", kill_on_drop: false }`
[INFO] [stdout] 18a993f02d6aec2c8bfa6d8cafdc9a5f5981408cbd879860c48871f3efdf548b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28f197a010c84283a59db57a0dccb74a87fc28a91d2c18e8b0630f8b5931bb91
[INFO] running `Command { std: "docker" "start" "-a" "28f197a010c84283a59db57a0dccb74a87fc28a91d2c18e8b0630f8b5931bb91", kill_on_drop: false }`
[INFO] [stderr]    Compiling be-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "28f197a010c84283a59db57a0dccb74a87fc28a91d2c18e8b0630f8b5931bb91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28f197a010c84283a59db57a0dccb74a87fc28a91d2c18e8b0630f8b5931bb91", kill_on_drop: false }`
[INFO] [stdout] 28f197a010c84283a59db57a0dccb74a87fc28a91d2c18e8b0630f8b5931bb91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 28efd37202aa0d43b4f3a400cca03aa9eefca4e395220598e373099e8c1f9d62
[INFO] running `Command { std: "docker" "start" "-a" "28efd37202aa0d43b4f3a400cca03aa9eefca4e395220598e373099e8c1f9d62", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/be_tree-f2b5593344452f04)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stderr]    Doc-tests be-tree
[INFO] [stdout] test tests::can_clear ... ok
[INFO] [stdout] test tests::can_construct ... ok
[INFO] [stdout] test tests::can_delete_nothing ... ok
[INFO] [stdout] test tests::can_delete_only_existing ... ok
[INFO] [stdout] test tests::can_delete_existing ... ok
[INFO] [stdout] test tests::can_insert_single ... ok
[INFO] [stdout] test tests::can_insert_two ... ok
[INFO] [stdout] test tests::insert_replaces_existing ... ok
[INFO] [stdout] test tests::can_split ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 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" "28efd37202aa0d43b4f3a400cca03aa9eefca4e395220598e373099e8c1f9d62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28efd37202aa0d43b4f3a400cca03aa9eefca4e395220598e373099e8c1f9d62", kill_on_drop: false }`
[INFO] [stdout] 28efd37202aa0d43b4f3a400cca03aa9eefca4e395220598e373099e8c1f9d62