[INFO] cloning repository https://github.com/nyirog/bbtree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nyirog/bbtree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyirog%2Fbbtree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyirog%2Fbbtree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] beae10f266aee89cb79e1980c4ce13d551df4d0b
[INFO] testing nyirog/bbtree against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyirog%2Fbbtree" "/workspace/builds/worker-44/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-44/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nyirog/bbtree 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 git repo https://github.com/nyirog/bbtree
[INFO] finished tweaking git repo https://github.com/nyirog/bbtree
[INFO] tweaked toml for git repo https://github.com/nyirog/bbtree written to /workspace/builds/worker-44/source/Cargo.toml
[INFO] crate git repo https://github.com/nyirog/bbtree already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] 1dbfdc1b933b1e3bddb54a37d798bb5cf8f6179c810b7d1974caf9d0328d4be6
[INFO] running `Command { std: "docker" "start" "-a" "1dbfdc1b933b1e3bddb54a37d798bb5cf8f6179c810b7d1974caf9d0328d4be6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1dbfdc1b933b1e3bddb54a37d798bb5cf8f6179c810b7d1974caf9d0328d4be6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dbfdc1b933b1e3bddb54a37d798bb5cf8f6179c810b7d1974caf9d0328d4be6", kill_on_drop: false }`
[INFO] [stdout] 1dbfdc1b933b1e3bddb54a37d798bb5cf8f6179c810b7d1974caf9d0328d4be6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] f001bd1e0a603d8d45af60497bfff65f65b709605f648d0d653ea24b4a67f8ae
[INFO] running `Command { std: "docker" "start" "-a" "f001bd1e0a603d8d45af60497bfff65f65b709605f648d0d653ea24b4a67f8ae", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bbtree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.93s
[INFO] running `Command { std: "docker" "inspect" "f001bd1e0a603d8d45af60497bfff65f65b709605f648d0d653ea24b4a67f8ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f001bd1e0a603d8d45af60497bfff65f65b709605f648d0d653ea24b4a67f8ae", kill_on_drop: false }`
[INFO] [stdout] f001bd1e0a603d8d45af60497bfff65f65b709605f648d0d653ea24b4a67f8ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] 1c36a52114efb0117b57a6802b7f2e31a1c21f73f15c917366b53e37de5308ce
[INFO] running `Command { std: "docker" "start" "-a" "1c36a52114efb0117b57a6802b7f2e31a1c21f73f15c917366b53e37de5308ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling bbtree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "1c36a52114efb0117b57a6802b7f2e31a1c21f73f15c917366b53e37de5308ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c36a52114efb0117b57a6802b7f2e31a1c21f73f15c917366b53e37de5308ce", kill_on_drop: false }`
[INFO] [stdout] 1c36a52114efb0117b57a6802b7f2e31a1c21f73f15c917366b53e37de5308ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] c7b51a09e945070d3cce47f1471b35c4be3675d4bcef5620823328ae3adace21
[INFO] running `Command { std: "docker" "start" "-a" "c7b51a09e945070d3cce47f1471b35c4be3675d4bcef5620823328ae3adace21", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bbtree-de5030f601ab221e)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test test_change_get_mut_tree ... ok
[INFO] [stdout] test test_get_mut_tree ... ok
[INFO] [stdout] test test_get_mut_tree_bigger ... ok
[INFO] [stdout] test test_insert_bigger ... ok
[INFO] [stdout] test test_insert_smaller ... ok
[INFO] [stdout] test test_node_get_ref_for_the_smaller_sub_node ... ok
[INFO] [stdout] test test_node_get_mut_bigger ... ok
[INFO] [stdout] test test_node_get_ref_returns_a_reference ... ok
[INFO] [stdout] test test_node_get_ref_returns_node_for_unknown_key ... ok
[INFO] [stdout] test test_tree_get_ref ... ok
[INFO] [stdout] test test_tree_get_ref_bigger ... ok
[INFO] [stdout] test test_node_get_mut_smaller ... ok
[INFO] [stdout] test test_insert ... ok
[INFO] [stdout] test test_node_get_ref_for_the_bigger_sub_node ... ok
[INFO] [stdout] test test_get_mut_returns_none_for_unknown_key ... ok
[INFO] [stdout] test test_empty_tree_provide_none ... ok
[INFO] [stdout] test test_node_get_mut_can_be_changed ... ok
[INFO] [stdout] test test_tree_get_ref_smaller ... ok
[INFO] [stdout] test test_empty_tree_provide_none_for_reference ... ok
[INFO] [stdout] test test_node_get_mut ... ok
[INFO] [stdout] test test_get_mut_tree_smaller ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c7b51a09e945070d3cce47f1471b35c4be3675d4bcef5620823328ae3adace21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7b51a09e945070d3cce47f1471b35c4be3675d4bcef5620823328ae3adace21", kill_on_drop: false }`
[INFO] [stdout] c7b51a09e945070d3cce47f1471b35c4be3675d4bcef5620823328ae3adace21