[INFO] cloning repository https://github.com/derivmug/binary_tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/derivmug/binary_tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fderivmug%2Fbinary_tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fderivmug%2Fbinary_tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c6e8a2994058cd99c86152d46e3b1ee5092b80bc
[INFO] testing derivmug/binary_tree against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fderivmug%2Fbinary_tree" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/derivmug/binary_tree on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/derivmug/binary_tree
[INFO] finished tweaking git repo https://github.com/derivmug/binary_tree
[INFO] tweaked toml for git repo https://github.com/derivmug/binary_tree written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/derivmug/binary_tree already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c7b844d6cc136c26e2e4095b2e52184dc3e90947b13625cbac05d1f4879ad23
[INFO] running `Command { std: "docker" "start" "-a" "2c7b844d6cc136c26e2e4095b2e52184dc3e90947b13625cbac05d1f4879ad23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c7b844d6cc136c26e2e4095b2e52184dc3e90947b13625cbac05d1f4879ad23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c7b844d6cc136c26e2e4095b2e52184dc3e90947b13625cbac05d1f4879ad23", kill_on_drop: false }`
[INFO] [stdout] 2c7b844d6cc136c26e2e4095b2e52184dc3e90947b13625cbac05d1f4879ad23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b1eb67c340760b8adfd037524a90324b9b3b0ea6d8f3e10967b2557604da6ba
[INFO] running `Command { std: "docker" "start" "-a" "0b1eb67c340760b8adfd037524a90324b9b3b0ea6d8f3e10967b2557604da6ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling binary_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "0b1eb67c340760b8adfd037524a90324b9b3b0ea6d8f3e10967b2557604da6ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b1eb67c340760b8adfd037524a90324b9b3b0ea6d8f3e10967b2557604da6ba", kill_on_drop: false }`
[INFO] [stdout] 0b1eb67c340760b8adfd037524a90324b9b3b0ea6d8f3e10967b2557604da6ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4340e47df003b91b460c7b1d09b2692cbc5a75d3d5b3674a2ade71859f241a4
[INFO] running `Command { std: "docker" "start" "-a" "a4340e47df003b91b460c7b1d09b2692cbc5a75d3d5b3674a2ade71859f241a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling binary_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "a4340e47df003b91b460c7b1d09b2692cbc5a75d3d5b3674a2ade71859f241a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4340e47df003b91b460c7b1d09b2692cbc5a75d3d5b3674a2ade71859f241a4", kill_on_drop: false }`
[INFO] [stdout] a4340e47df003b91b460c7b1d09b2692cbc5a75d3d5b3674a2ade71859f241a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 08dd1c46549ab85cf3fb266a0e7b6e589f4d6044c13c8a24333858e0a354b27a
[INFO] running `Command { std: "docker" "start" "-a" "08dd1c46549ab85cf3fb266a0e7b6e589f4d6044c13c8a24333858e0a354b27a", kill_on_drop: false }`
[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]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/binary_tree-98cbd05c59816187)
[INFO] running `Command { std: "docker" "inspect" "08dd1c46549ab85cf3fb266a0e7b6e589f4d6044c13c8a24333858e0a354b27a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08dd1c46549ab85cf3fb266a0e7b6e589f4d6044c13c8a24333858e0a354b27a", kill_on_drop: false }`
[INFO] [stdout] 08dd1c46549ab85cf3fb266a0e7b6e589f4d6044c13c8a24333858e0a354b27a