[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 try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStuartHa%2Fbinary_tree_printer" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/StuartHa/binary_tree_printer on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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-6/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 750b2a84ce7a10ad5d2dcf5022b729af5c24a76d92888e11f4f5b02908020e03
[INFO] running `Command { std: "docker" "start" "-a" "750b2a84ce7a10ad5d2dcf5022b729af5c24a76d92888e11f4f5b02908020e03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "750b2a84ce7a10ad5d2dcf5022b729af5c24a76d92888e11f4f5b02908020e03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "750b2a84ce7a10ad5d2dcf5022b729af5c24a76d92888e11f4f5b02908020e03", kill_on_drop: false }`
[INFO] [stdout] 750b2a84ce7a10ad5d2dcf5022b729af5c24a76d92888e11f4f5b02908020e03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7e5297b7ee29ff16c6ff6a45e328f3c647b0287d30a1d709c3e96c0ab321789
[INFO] running `Command { std: "docker" "start" "-a" "e7e5297b7ee29ff16c6ff6a45e328f3c647b0287d30a1d709c3e96c0ab321789", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling binary_tree_visualizer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "e7e5297b7ee29ff16c6ff6a45e328f3c647b0287d30a1d709c3e96c0ab321789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7e5297b7ee29ff16c6ff6a45e328f3c647b0287d30a1d709c3e96c0ab321789", kill_on_drop: false }`
[INFO] [stdout] e7e5297b7ee29ff16c6ff6a45e328f3c647b0287d30a1d709c3e96c0ab321789
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8987de7c78a221c066ff152084c03dd3e78608d572a8bc2dc32c18e8fab3490b
[INFO] running `Command { std: "docker" "start" "-a" "8987de7c78a221c066ff152084c03dd3e78608d572a8bc2dc32c18e8fab3490b", 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 0.49s
[INFO] running `Command { std: "docker" "inspect" "8987de7c78a221c066ff152084c03dd3e78608d572a8bc2dc32c18e8fab3490b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8987de7c78a221c066ff152084c03dd3e78608d572a8bc2dc32c18e8fab3490b", kill_on_drop: false }`
[INFO] [stdout] 8987de7c78a221c066ff152084c03dd3e78608d572a8bc2dc32c18e8fab3490b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 44ecf07b7ca6dc661416c5fe93698905dfa86bd073cd69bda50f626f131b5e2e
[INFO] running `Command { std: "docker" "start" "-a" "44ecf07b7ca6dc661416c5fe93698905dfa86bd073cd69bda50f626f131b5e2e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/binary_tree_visualizer-d8ff36a16b05b360)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/binary_tree_visualizer-8a44966f6961f556)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests binary_tree_visualizer
[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] [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" "44ecf07b7ca6dc661416c5fe93698905dfa86bd073cd69bda50f626f131b5e2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44ecf07b7ca6dc661416c5fe93698905dfa86bd073cd69bda50f626f131b5e2e", kill_on_drop: false }`
[INFO] [stdout] 44ecf07b7ca6dc661416c5fe93698905dfa86bd073cd69bda50f626f131b5e2e