[INFO] cloning repository https://github.com/howeih/Day-45-Binary-Search-Tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/howeih/Day-45-Binary-Search-Tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoweih%2FDay-45-Binary-Search-Tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoweih%2FDay-45-Binary-Search-Tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f4fed83beeee1b54670534893300791354ce433
[INFO] testing howeih/Day-45-Binary-Search-Tree 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%2Fhoweih%2FDay-45-Binary-Search-Tree" "/workspace/builds/worker-27/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-27/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/howeih/Day-45-Binary-Search-Tree 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/howeih/Day-45-Binary-Search-Tree
[INFO] finished tweaking git repo https://github.com/howeih/Day-45-Binary-Search-Tree
[INFO] tweaked toml for git repo https://github.com/howeih/Day-45-Binary-Search-Tree written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] crate git repo https://github.com/howeih/Day-45-Binary-Search-Tree 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] c7e7ef1a2b0d4267222e5c30ac6cad0f2cc56e65bb828a4eb7a13c7aefa7c1f6
[INFO] running `Command { std: "docker" "start" "-a" "c7e7ef1a2b0d4267222e5c30ac6cad0f2cc56e65bb828a4eb7a13c7aefa7c1f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7e7ef1a2b0d4267222e5c30ac6cad0f2cc56e65bb828a4eb7a13c7aefa7c1f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7e7ef1a2b0d4267222e5c30ac6cad0f2cc56e65bb828a4eb7a13c7aefa7c1f6", kill_on_drop: false }`
[INFO] [stdout] c7e7ef1a2b0d4267222e5c30ac6cad0f2cc56e65bb828a4eb7a13c7aefa7c1f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] c680400fed138c24fdb2c2fab2cba0ad2cab81a7196f2073ea296bec20d1934c
[INFO] running `Command { std: "docker" "start" "-a" "c680400fed138c24fdb2c2fab2cba0ad2cab81a7196f2073ea296bec20d1934c", kill_on_drop: false }`
[INFO] [stderr]    Compiling binary_search_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "c680400fed138c24fdb2c2fab2cba0ad2cab81a7196f2073ea296bec20d1934c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c680400fed138c24fdb2c2fab2cba0ad2cab81a7196f2073ea296bec20d1934c", kill_on_drop: false }`
[INFO] [stdout] c680400fed138c24fdb2c2fab2cba0ad2cab81a7196f2073ea296bec20d1934c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 63bae1b871f37eb86dcbc05d9ff980e8e213ed2f7d7e01f0edf8a7fabfa72f03
[INFO] running `Command { std: "docker" "start" "-a" "63bae1b871f37eb86dcbc05d9ff980e8e213ed2f7d7e01f0edf8a7fabfa72f03", kill_on_drop: false }`
[INFO] [stderr]    Compiling binary_search_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/binary_search_tree-fed9f01978e4bb9f)
[INFO] running `Command { std: "docker" "inspect" "63bae1b871f37eb86dcbc05d9ff980e8e213ed2f7d7e01f0edf8a7fabfa72f03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63bae1b871f37eb86dcbc05d9ff980e8e213ed2f7d7e01f0edf8a7fabfa72f03", kill_on_drop: false }`
[INFO] [stdout] 63bae1b871f37eb86dcbc05d9ff980e8e213ed2f7d7e01f0edf8a7fabfa72f03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 5f339671335791fb39199cbc0349377eae86e07f05476b9cc1e12c41928466ac
[INFO] running `Command { std: "docker" "start" "-a" "5f339671335791fb39199cbc0349377eae86e07f05476b9cc1e12c41928466ac", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/binary_search_tree-fed9f01978e4bb9f)
[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" "5f339671335791fb39199cbc0349377eae86e07f05476b9cc1e12c41928466ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f339671335791fb39199cbc0349377eae86e07f05476b9cc1e12c41928466ac", kill_on_drop: false }`
[INFO] [stdout] 5f339671335791fb39199cbc0349377eae86e07f05476b9cc1e12c41928466ac