[INFO] cloning repository https://github.com/StuartHa/binary_tree_printer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/StuartHa/binary_tree_printer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStuartHa%2Fbinary_tree_printer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStuartHa%2Fbinary_tree_printer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 29f9b8dba13b0387919fa3aea846ceea7294d106
[INFO] testing StuartHa/binary_tree_printer 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%2FStuartHa%2Fbinary_tree_printer" "/workspace/builds/worker-24/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/StuartHa/binary_tree_printer 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/StuartHa/binary_tree_printer
[INFO] finished tweaking git repo https://github.com/StuartHa/binary_tree_printer
[INFO] tweaked toml for git repo https://github.com/StuartHa/binary_tree_printer written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] crate git repo https://github.com/StuartHa/binary_tree_printer 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-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] 8881e72784d7a03d4cce42e252a5d807819312f559f2b0b638c72fc4b9f80786
[INFO] running `Command { std: "docker" "start" "-a" "8881e72784d7a03d4cce42e252a5d807819312f559f2b0b638c72fc4b9f80786", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8881e72784d7a03d4cce42e252a5d807819312f559f2b0b638c72fc4b9f80786", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8881e72784d7a03d4cce42e252a5d807819312f559f2b0b638c72fc4b9f80786", kill_on_drop: false }`
[INFO] [stdout] 8881e72784d7a03d4cce42e252a5d807819312f559f2b0b638c72fc4b9f80786
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] 7609c4d5290348f3882815408a7a77224c07eae76fb65923042f349d942eec64
[INFO] running `Command { std: "docker" "start" "-a" "7609c4d5290348f3882815408a7a77224c07eae76fb65923042f349d942eec64", kill_on_drop: false }`
[INFO] [stderr]    Compiling binary_tree_visualizer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "7609c4d5290348f3882815408a7a77224c07eae76fb65923042f349d942eec64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7609c4d5290348f3882815408a7a77224c07eae76fb65923042f349d942eec64", kill_on_drop: false }`
[INFO] [stdout] 7609c4d5290348f3882815408a7a77224c07eae76fb65923042f349d942eec64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] 56408041152a250caabdf2ee97cdb216ee8d62ff10770dd24a4feb74b7539327
[INFO] running `Command { std: "docker" "start" "-a" "56408041152a250caabdf2ee97cdb216ee8d62ff10770dd24a4feb74b7539327", kill_on_drop: false }`
[INFO] [stderr]    Compiling binary_tree_visualizer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.32s
[INFO] [stderr]   Executable unittests src/binary_tree_visualizer.rs (/opt/rustwide/target/debug/deps/binary_tree_visualizer-221ce4c4f9bd1fb0)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/binary_tree_visualizer-22565ad51e5f0ac0)
[INFO] running `Command { std: "docker" "inspect" "56408041152a250caabdf2ee97cdb216ee8d62ff10770dd24a4feb74b7539327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56408041152a250caabdf2ee97cdb216ee8d62ff10770dd24a4feb74b7539327", kill_on_drop: false }`
[INFO] [stdout] 56408041152a250caabdf2ee97cdb216ee8d62ff10770dd24a4feb74b7539327
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] 39bc672ea4c52b40bc7c13df902a7c01ef81a75c9f47a24c38c4743f8f3d823e
[INFO] running `Command { std: "docker" "start" "-a" "39bc672ea4c52b40bc7c13df902a7c01ef81a75c9f47a24c38c4743f8f3d823e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/binary_tree_visualizer.rs (/opt/rustwide/target/debug/deps/binary_tree_visualizer-221ce4c4f9bd1fb0)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/binary_tree_visualizer-22565ad51e5f0ac0)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests binary_tree_visualizer
[INFO] [stdout] test result: ok. 0 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] [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" "39bc672ea4c52b40bc7c13df902a7c01ef81a75c9f47a24c38c4743f8f3d823e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39bc672ea4c52b40bc7c13df902a7c01ef81a75c9f47a24c38c4743f8f3d823e", kill_on_drop: false }`
[INFO] [stdout] 39bc672ea4c52b40bc7c13df902a7c01ef81a75c9f47a24c38c4743f8f3d823e