[INFO] fetching crate be-tree 0.1.0...
[INFO] testing be-tree-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate be-tree 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate be-tree 0.1.0 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 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-9/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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] c58c5e67aa96ab9e1e496dcc2a25cb92833ca9a33975635541f98204c034c12c
[INFO] running `Command { std: "docker" "start" "-a" "c58c5e67aa96ab9e1e496dcc2a25cb92833ca9a33975635541f98204c034c12c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c58c5e67aa96ab9e1e496dcc2a25cb92833ca9a33975635541f98204c034c12c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c58c5e67aa96ab9e1e496dcc2a25cb92833ca9a33975635541f98204c034c12c", kill_on_drop: false }`
[INFO] [stdout] c58c5e67aa96ab9e1e496dcc2a25cb92833ca9a33975635541f98204c034c12c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 9eb58d9e08e87e2362bcdeb5072bbf7ca455611674bb56af5df7c9c431022e72
[INFO] running `Command { std: "docker" "start" "-a" "9eb58d9e08e87e2362bcdeb5072bbf7ca455611674bb56af5df7c9c431022e72", kill_on_drop: false }`
[INFO] [stderr]    Compiling be-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "9eb58d9e08e87e2362bcdeb5072bbf7ca455611674bb56af5df7c9c431022e72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eb58d9e08e87e2362bcdeb5072bbf7ca455611674bb56af5df7c9c431022e72", kill_on_drop: false }`
[INFO] [stdout] 9eb58d9e08e87e2362bcdeb5072bbf7ca455611674bb56af5df7c9c431022e72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 79b9385aca3c8820a40309cbfb676f3c5fb32e129613e8df820218a711b24d71
[INFO] running `Command { std: "docker" "start" "-a" "79b9385aca3c8820a40309cbfb676f3c5fb32e129613e8df820218a711b24d71", kill_on_drop: false }`
[INFO] [stderr]    Compiling be-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "79b9385aca3c8820a40309cbfb676f3c5fb32e129613e8df820218a711b24d71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79b9385aca3c8820a40309cbfb676f3c5fb32e129613e8df820218a711b24d71", kill_on_drop: false }`
[INFO] [stdout] 79b9385aca3c8820a40309cbfb676f3c5fb32e129613e8df820218a711b24d71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 1d32a40f3675fe35acf0c5cf50de5462f27d495d6ba40d3b57b5774ca20abfc2
[INFO] running `Command { std: "docker" "start" "-a" "1d32a40f3675fe35acf0c5cf50de5462f27d495d6ba40d3b57b5774ca20abfc2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/be_tree-796938cfdb587f90)
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::can_clear ... ok
[INFO] [stdout] test tests::insert_replaces_existing ... ok
[INFO] [stdout] test tests::can_split ... ok
[INFO] [stdout] test tests::can_insert_two ... ok
[INFO] [stdout] test tests::can_delete_only_existing ... ok
[INFO] [stdout] test tests::can_construct ... ok
[INFO] [stdout] test tests::can_delete_existing ... ok
[INFO] [stdout] test tests::can_insert_single ... ok
[INFO] [stdout] test tests::can_delete_nothing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests be-tree
[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" "1d32a40f3675fe35acf0c5cf50de5462f27d495d6ba40d3b57b5774ca20abfc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d32a40f3675fe35acf0c5cf50de5462f27d495d6ba40d3b57b5774ca20abfc2", kill_on_drop: false }`
[INFO] [stdout] 1d32a40f3675fe35acf0c5cf50de5462f27d495d6ba40d3b57b5774ca20abfc2