[INFO] cloning repository https://github.com/stevenmsl/rust_bt_level_order_102
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stevenmsl/rust_bt_level_order_102" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevenmsl%2Frust_bt_level_order_102", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevenmsl%2Frust_bt_level_order_102'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0078ce8b2d946ff4b3e026811c8de9bda190cfc1
[INFO] testing stevenmsl/rust_bt_level_order_102 against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevenmsl%2Frust_bt_level_order_102" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stevenmsl/rust_bt_level_order_102 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stevenmsl/rust_bt_level_order_102
[INFO] finished tweaking git repo https://github.com/stevenmsl/rust_bt_level_order_102
[INFO] tweaked toml for git repo https://github.com/stevenmsl/rust_bt_level_order_102 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/stevenmsl/rust_bt_level_order_102 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c3ae4f12ec2b0555fbe2b40904abaf21070c75416b8e4930f9c7d2174c0b626
[INFO] running `Command { std: "docker" "start" "-a" "1c3ae4f12ec2b0555fbe2b40904abaf21070c75416b8e4930f9c7d2174c0b626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c3ae4f12ec2b0555fbe2b40904abaf21070c75416b8e4930f9c7d2174c0b626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c3ae4f12ec2b0555fbe2b40904abaf21070c75416b8e4930f9c7d2174c0b626", kill_on_drop: false }`
[INFO] [stdout] 1c3ae4f12ec2b0555fbe2b40904abaf21070c75416b8e4930f9c7d2174c0b626
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6a9faba49350bde28cebfa31559b3b7f2c2f9c1f90d0c25d2ad5f484880581e
[INFO] running `Command { std: "docker" "start" "-a" "a6a9faba49350bde28cebfa31559b3b7f2c2f9c1f90d0c25d2ad5f484880581e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_bt_level_order_102 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "a6a9faba49350bde28cebfa31559b3b7f2c2f9c1f90d0c25d2ad5f484880581e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6a9faba49350bde28cebfa31559b3b7f2c2f9c1f90d0c25d2ad5f484880581e", kill_on_drop: false }`
[INFO] [stdout] a6a9faba49350bde28cebfa31559b3b7f2c2f9c1f90d0c25d2ad5f484880581e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b1add4c6c2c0affbd787897d0844d794ff495652978bf53fcb59571f65e07d8
[INFO] running `Command { std: "docker" "start" "-a" "3b1add4c6c2c0affbd787897d0844d794ff495652978bf53fcb59571f65e07d8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_bt_level_order_102 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_bt_level_order_102-bc62a7b57e5e2bbe)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_bt_level_order_102-c2376d2f6e53f4e5)
[INFO] running `Command { std: "docker" "inspect" "3b1add4c6c2c0affbd787897d0844d794ff495652978bf53fcb59571f65e07d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b1add4c6c2c0affbd787897d0844d794ff495652978bf53fcb59571f65e07d8", kill_on_drop: false }`
[INFO] [stdout] 3b1add4c6c2c0affbd787897d0844d794ff495652978bf53fcb59571f65e07d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4ce6eca1596439d74820d1a85db1e7cdaa60009134ca48d0802e98751b05bd3e
[INFO] running `Command { std: "docker" "start" "-a" "4ce6eca1596439d74820d1a85db1e7cdaa60009134ca48d0802e98751b05bd3e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_bt_level_order_102-bc62a7b57e5e2bbe)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::sample_1 ... ok
[INFO] [stdout] test tests::sample_2 ... ok
[INFO] [stdout] test tests::sample_3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_bt_level_order_102-c2376d2f6e53f4e5)
[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] [stderr]    Doc-tests rust_bt_level_order_102
[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" "4ce6eca1596439d74820d1a85db1e7cdaa60009134ca48d0802e98751b05bd3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ce6eca1596439d74820d1a85db1e7cdaa60009134ca48d0802e98751b05bd3e", kill_on_drop: false }`
[INFO] [stdout] 4ce6eca1596439d74820d1a85db1e7cdaa60009134ca48d0802e98751b05bd3e