[INFO] cloning repository https://github.com/alvinvoo/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/alvinvoo/binary_tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falvinvoo%2Fbinary_tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falvinvoo%2Fbinary_tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9baa18f9f577719ac0b46c56b55f2a49521a8407
[INFO] testing alvinvoo/binary_tree against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falvinvoo%2Fbinary_tree" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alvinvoo/binary_tree on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alvinvoo/binary_tree
[INFO] finished tweaking git repo https://github.com/alvinvoo/binary_tree
[INFO] tweaked toml for git repo https://github.com/alvinvoo/binary_tree written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/alvinvoo/binary_tree already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6df9b8a62fa57b6a74d7d415b83ee47528f18b80cad4894be8ac8fcc536a7051
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6df9b8a62fa57b6a74d7d415b83ee47528f18b80cad4894be8ac8fcc536a7051", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6df9b8a62fa57b6a74d7d415b83ee47528f18b80cad4894be8ac8fcc536a7051", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6df9b8a62fa57b6a74d7d415b83ee47528f18b80cad4894be8ac8fcc536a7051", kill_on_drop: false }`
[INFO] [stdout] 6df9b8a62fa57b6a74d7d415b83ee47528f18b80cad4894be8ac8fcc536a7051
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4130260eac8d24a01c08e945132c4c5eaa9475adfc6e37a47ef1a510dbf3a2c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a4130260eac8d24a01c08e945132c4c5eaa9475adfc6e37a47ef1a510dbf3a2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling binary_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "a4130260eac8d24a01c08e945132c4c5eaa9475adfc6e37a47ef1a510dbf3a2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4130260eac8d24a01c08e945132c4c5eaa9475adfc6e37a47ef1a510dbf3a2c", kill_on_drop: false }`
[INFO] [stdout] a4130260eac8d24a01c08e945132c4c5eaa9475adfc6e37a47ef1a510dbf3a2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3579c7bf4cbc5e78d1ac23f32147ab9bf9dd05c49aac0a2f02f980e164dc33ad
[INFO] running `Command { std: "docker" "start" "-a" "3579c7bf4cbc5e78d1ac23f32147ab9bf9dd05c49aac0a2f02f980e164dc33ad", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling binary_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `Command { std: "docker" "inspect" "3579c7bf4cbc5e78d1ac23f32147ab9bf9dd05c49aac0a2f02f980e164dc33ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3579c7bf4cbc5e78d1ac23f32147ab9bf9dd05c49aac0a2f02f980e164dc33ad", kill_on_drop: false }`
[INFO] [stdout] 3579c7bf4cbc5e78d1ac23f32147ab9bf9dd05c49aac0a2f02f980e164dc33ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 76cef317ac9845dbdf44cb3a6dcb13324af68ee61a69335866d4ebf89dce9ecb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "76cef317ac9845dbdf44cb3a6dcb13324af68ee61a69335866d4ebf89dce9ecb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/binary_tree-e0fa44ce975a7338)
[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" "76cef317ac9845dbdf44cb3a6dcb13324af68ee61a69335866d4ebf89dce9ecb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76cef317ac9845dbdf44cb3a6dcb13324af68ee61a69335866d4ebf89dce9ecb", kill_on_drop: false }`
[INFO] [stdout] 76cef317ac9845dbdf44cb3a6dcb13324af68ee61a69335866d4ebf89dce9ecb