[INFO] fetching crate file_tree 0.1.1...
[INFO] testing file_tree-0.1.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate file_tree 0.1.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate file_tree 0.1.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac38325b6d97ea4064339cf50892aac42e75919404fa2e7a98f1475f1239d99b
[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" "ac38325b6d97ea4064339cf50892aac42e75919404fa2e7a98f1475f1239d99b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac38325b6d97ea4064339cf50892aac42e75919404fa2e7a98f1475f1239d99b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac38325b6d97ea4064339cf50892aac42e75919404fa2e7a98f1475f1239d99b", kill_on_drop: false }`
[INFO] [stdout] ac38325b6d97ea4064339cf50892aac42e75919404fa2e7a98f1475f1239d99b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f517a15680a3d6c4162ed0c59a1812de5823d680f5972e60b857c82f8c83da7
[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" "7f517a15680a3d6c4162ed0c59a1812de5823d680f5972e60b857c82f8c83da7", kill_on_drop: false }`
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling file_tree v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "7f517a15680a3d6c4162ed0c59a1812de5823d680f5972e60b857c82f8c83da7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f517a15680a3d6c4162ed0c59a1812de5823d680f5972e60b857c82f8c83da7", kill_on_drop: false }`
[INFO] [stdout] 7f517a15680a3d6c4162ed0c59a1812de5823d680f5972e60b857c82f8c83da7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b9c7372ec556009b20c4a9fb9979d0e33e37d25e816a6b9b6f043e92f9c9a40
[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" "5b9c7372ec556009b20c4a9fb9979d0e33e37d25e816a6b9b6f043e92f9c9a40", kill_on_drop: false }`
[INFO] [stderr]    Compiling file_tree v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "5b9c7372ec556009b20c4a9fb9979d0e33e37d25e816a6b9b6f043e92f9c9a40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b9c7372ec556009b20c4a9fb9979d0e33e37d25e816a6b9b6f043e92f9c9a40", kill_on_drop: false }`
[INFO] [stdout] 5b9c7372ec556009b20c4a9fb9979d0e33e37d25e816a6b9b6f043e92f9c9a40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b02520d8a5aca07600ff193dd4b2e3d51cd5d5cd816b612c098bf059e29ddf2c
[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" "b02520d8a5aca07600ff193dd4b2e3d51cd5d5cd816b612c098bf059e29ddf2c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/file_tree-5808cd99a4de21ec
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/file_tree-fa287360812f1dcd
[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] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test from_existing ... ok
[INFO] [stdout] test delete_nonpersistent ... ok
[INFO] [stdout] test keep_persistent ... ok
[INFO] [stdout] test basic ... ok
[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 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/keyed_file_tree-e330bd1b8e16451c
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test basic ... ok
[INFO] [stdout] test dup_key ... ok
[INFO] [stdout] test from_existing ... ok
[INFO] [stdout] test new_key ... ok
[INFO] [stdout] test keep_persistent ... ok
[INFO] [stdout] test delete_nonpersistent ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests file_tree
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[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::FileTree::new_in (line 32) ... ok
[INFO] [stdout] test src/file_tree.rs - file_tree::FileTree::new (line 64) ... ok
[INFO] [stdout] test src/file_tree.rs - file_tree::KeyedFileTree (line 210) ... ok
[INFO] [stdout] test src/file_tree.rs - file_tree::FileTree::from_existing (line 97) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.85s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b02520d8a5aca07600ff193dd4b2e3d51cd5d5cd816b612c098bf059e29ddf2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b02520d8a5aca07600ff193dd4b2e3d51cd5d5cd816b612c098bf059e29ddf2c", kill_on_drop: false }`
[INFO] [stdout] b02520d8a5aca07600ff193dd4b2e3d51cd5d5cd816b612c098bf059e29ddf2c