[INFO] fetching crate dmm-tree 0.1.0...
[INFO] testing dmm-tree-0.1.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate dmm-tree 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate dmm-tree 0.1.0
[INFO] finished tweaking crates.io crate dmm-tree 0.1.0
[INFO] tweaked toml for crates.io crate dmm-tree 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dmm-tree 0.1.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dmm-tree 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e6762e8043ae7aa921fc789bab6693afdb123cfa0e5c4749faebd91ad5d71f5
[INFO] running `Command { std: "docker" "start" "-a" "6e6762e8043ae7aa921fc789bab6693afdb123cfa0e5c4749faebd91ad5d71f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e6762e8043ae7aa921fc789bab6693afdb123cfa0e5c4749faebd91ad5d71f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e6762e8043ae7aa921fc789bab6693afdb123cfa0e5c4749faebd91ad5d71f5", kill_on_drop: false }`
[INFO] [stdout] 6e6762e8043ae7aa921fc789bab6693afdb123cfa0e5c4749faebd91ad5d71f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87ceba2e9264567c47a501f851308aaab02678eed72d0f932ed2215b6aa88bd8
[INFO] running `Command { std: "docker" "start" "-a" "87ceba2e9264567c47a501f851308aaab02678eed72d0f932ed2215b6aa88bd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling dmm-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "87ceba2e9264567c47a501f851308aaab02678eed72d0f932ed2215b6aa88bd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87ceba2e9264567c47a501f851308aaab02678eed72d0f932ed2215b6aa88bd8", kill_on_drop: false }`
[INFO] [stdout] 87ceba2e9264567c47a501f851308aaab02678eed72d0f932ed2215b6aa88bd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 897ee0c430f0585ec1d4897e2ef4bf0127292457258544b359bc3859110342a6
[INFO] running `Command { std: "docker" "start" "-a" "897ee0c430f0585ec1d4897e2ef4bf0127292457258544b359bc3859110342a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling dmm-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "897ee0c430f0585ec1d4897e2ef4bf0127292457258544b359bc3859110342a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "897ee0c430f0585ec1d4897e2ef4bf0127292457258544b359bc3859110342a6", kill_on_drop: false }`
[INFO] [stdout] 897ee0c430f0585ec1d4897e2ef4bf0127292457258544b359bc3859110342a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7f9cc9ed03fcfb16342a80a1a7dc7d31a8eedd7f93af20d6d6ce4312bf2f9fbd
[INFO] running `Command { std: "docker" "start" "-a" "7f9cc9ed03fcfb16342a80a1a7dc7d31a8eedd7f93af20d6d6ce4312bf2f9fbd", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/dmm_tree-f411c02acaa8e26a)
[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" "7f9cc9ed03fcfb16342a80a1a7dc7d31a8eedd7f93af20d6d6ce4312bf2f9fbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f9cc9ed03fcfb16342a80a1a7dc7d31a8eedd7f93af20d6d6ce4312bf2f9fbd", kill_on_drop: false }`
[INFO] [stdout] 7f9cc9ed03fcfb16342a80a1a7dc7d31a8eedd7f93af20d6d6ce4312bf2f9fbd