[INFO] fetching crate file_tree 0.1.1...
[INFO] testing file_tree-0.1.1 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate file_tree 0.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate file_tree 0.1.1 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 crates.io crate file_tree 0.1.1
[INFO] finished tweaking crates.io crate file_tree 0.1.1
[INFO] tweaked toml for crates.io crate file_tree 0.1.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e25c05cde41f97d07614ed7995e0304c4a1df70aa0ba42e9d0c250f176738fb5
[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" "e25c05cde41f97d07614ed7995e0304c4a1df70aa0ba42e9d0c250f176738fb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e25c05cde41f97d07614ed7995e0304c4a1df70aa0ba42e9d0c250f176738fb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e25c05cde41f97d07614ed7995e0304c4a1df70aa0ba42e9d0c250f176738fb5", kill_on_drop: false }`
[INFO] [stdout] e25c05cde41f97d07614ed7995e0304c4a1df70aa0ba42e9d0c250f176738fb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c74cd21eefae82ff0330f9acb6b656a1a269aee7ed57632fa5477c12509e0dd
[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" "4c74cd21eefae82ff0330f9acb6b656a1a269aee7ed57632fa5477c12509e0dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling file_tree v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.82s
[INFO] running `Command { std: "docker" "inspect" "4c74cd21eefae82ff0330f9acb6b656a1a269aee7ed57632fa5477c12509e0dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c74cd21eefae82ff0330f9acb6b656a1a269aee7ed57632fa5477c12509e0dd", kill_on_drop: false }`
[INFO] [stdout] 4c74cd21eefae82ff0330f9acb6b656a1a269aee7ed57632fa5477c12509e0dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bed066bb8c4306ecf1b5995f5c683f7438a3846bc93feefb2e85530277bc04ff
[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" "bed066bb8c4306ecf1b5995f5c683f7438a3846bc93feefb2e85530277bc04ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling file_tree v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.11s
[INFO] running `Command { std: "docker" "inspect" "bed066bb8c4306ecf1b5995f5c683f7438a3846bc93feefb2e85530277bc04ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bed066bb8c4306ecf1b5995f5c683f7438a3846bc93feefb2e85530277bc04ff", kill_on_drop: false }`
[INFO] [stdout] bed066bb8c4306ecf1b5995f5c683f7438a3846bc93feefb2e85530277bc04ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2a035149d678f5c9c72eec019705c4791f3ec2fb89172b13a28500bc31733ef6
[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" "2a035149d678f5c9c72eec019705c4791f3ec2fb89172b13a28500bc31733ef6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/file_tree-e221e402926dc3cf)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/file_tree.rs (/opt/rustwide/target/debug/deps/file_tree-8cc05593bfdab82c)
[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 5 tests
[INFO] [stdout] test from_existing ... ok
[INFO] [stdout] test delete_nonpersistent ... ok
[INFO] [stdout] test basic ... ok
[INFO] [stdout] test keep_persistent ... ok
[INFO] [stderr]      Running tests/keyed_file_tree.rs (/opt/rustwide/target/debug/deps/keyed_file_tree-e00794a9f9dfcc4b)
[INFO] [stdout] test new_dir ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test dup_key ... ok
[INFO] [stdout] test keep_persistent ... ok
[INFO] [stderr]    Doc-tests file_tree
[INFO] [stdout] test from_existing ... ok
[INFO] [stdout] test basic ... ok
[INFO] [stdout] test delete_nonpersistent ... ok
[INFO] [stdout] test new_key ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/file_tree.rs - file_tree::FileTree::new (line 64) ... ok
[INFO] [stdout] test src/file_tree.rs - file_tree::FileTree::new_in (line 32) ... ok
[INFO] [stdout] test src/file_tree.rs - file_tree::FileTree::from_existing (line 97) ... ok
[INFO] [stdout] test src/file_tree.rs - file_tree::FileTree::get_new_file (line 139) ... ok
[INFO] [stdout] test src/file_tree.rs - file_tree::KeyedFileTree (line 210) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.49s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2a035149d678f5c9c72eec019705c4791f3ec2fb89172b13a28500bc31733ef6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a035149d678f5c9c72eec019705c4791f3ec2fb89172b13a28500bc31733ef6", kill_on_drop: false }`
[INFO] [stdout] 2a035149d678f5c9c72eec019705c4791f3ec2fb89172b13a28500bc31733ef6