[INFO] crate fuzzy-tree 0.1.2 is already in cache
[INFO] testing fuzzy-tree-0.1.2 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate fuzzy-tree 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate fuzzy-tree 0.1.2 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fuzzy-tree 0.1.2
[INFO] finished tweaking crates.io crate fuzzy-tree 0.1.2
[INFO] tweaked toml for crates.io crate fuzzy-tree 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate fuzzy-tree 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 838ed2f36cb126b80b79c6c7df60a9988faf7c618d9bd106036f1fc954913a4a
[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" "838ed2f36cb126b80b79c6c7df60a9988faf7c618d9bd106036f1fc954913a4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "838ed2f36cb126b80b79c6c7df60a9988faf7c618d9bd106036f1fc954913a4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "838ed2f36cb126b80b79c6c7df60a9988faf7c618d9bd106036f1fc954913a4a", kill_on_drop: false }`
[INFO] [stdout] 838ed2f36cb126b80b79c6c7df60a9988faf7c618d9bd106036f1fc954913a4a
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fbb0824ec2869461b43c49c59150865e9e607169ee4438571a261faab62f06c
[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" "6fbb0824ec2869461b43c49c59150865e9e607169ee4438571a261faab62f06c", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling termion v1.5.5
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling backtrace-sys v0.1.36
[INFO] [stderr]    Compiling regex v1.3.6
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling failure v0.1.7
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling fuzzy-tree v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.85s
[INFO] running `Command { std: "docker" "inspect" "6fbb0824ec2869461b43c49c59150865e9e607169ee4438571a261faab62f06c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fbb0824ec2869461b43c49c59150865e9e607169ee4438571a261faab62f06c", kill_on_drop: false }`
[INFO] [stdout] 6fbb0824ec2869461b43c49c59150865e9e607169ee4438571a261faab62f06c
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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] 1fa1f2e8bcf1779c0b32d55a0fdfc458847d13b129bb415ebdec86a844884f29
[INFO] running `Command { std: "docker" "start" "-a" "1fa1f2e8bcf1779c0b32d55a0fdfc458847d13b129bb415ebdec86a844884f29", kill_on_drop: false }`
[INFO] [stderr]    Compiling fuzzy-tree v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tree.rs:525:7
[INFO] [stdout]     |
[INFO] [stdout] 525 |         let mut paths = create_test_paths();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.97s
[INFO] running `Command { std: "docker" "inspect" "1fa1f2e8bcf1779c0b32d55a0fdfc458847d13b129bb415ebdec86a844884f29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fa1f2e8bcf1779c0b32d55a0fdfc458847d13b129bb415ebdec86a844884f29", kill_on_drop: false }`
[INFO] [stdout] 1fa1f2e8bcf1779c0b32d55a0fdfc458847d13b129bb415ebdec86a844884f29
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b96af6083c6c99233c7dc411ce69493a0e7dbee8e5bd2d515facf8c78fad1d47
[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" "b96af6083c6c99233c7dc411ce69493a0e7dbee8e5bd2d515facf8c78fad1d47", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/tree.rs:525:7
[INFO] [stderr]     |
[INFO] [stderr] 525 |         let mut paths = create_test_paths();
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fztree-662aadaafdde5938
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test path::test::is_child_of_correctness ... ok
[INFO] [stdout] test tree::test::update_matched_test ... ok
[INFO] [stdout] test tree::test::tree_string_correct ... ok
[INFO] [stdout] test tree::test::reducing_patterns ... ok
[INFO] [stdout] test tree::test::merging_indices_works ... ok
[INFO] [stdout] test path::test::basename_correct ... ok
[INFO] [stdout] test path::test::len_correct ... ok
[INFO] [stdout] test tree::test::adjacent_matches_are_colored_correctly ... ok
[INFO] [stdout] test tree::test::match_paths_sets_matched_field_correctly ... ok
[INFO] [stdout] test tree::test::create_tree_correct ... ok
[INFO] [stdout] test tree::test::match_paths_colors_basename ... ok
[INFO] [stdout] test tree::test::correct_lines_after_filtering ... ok
[INFO] [stdout] test tree::test::correct_n_descendants ... ok
[INFO] [stdout] test path::test::sorting_is_correct ... ok
[INFO] [stdout] test tree::test::correct_tree_string ... ok
[INFO] [stdout] test tree::test::correct_n_matched_after_matching_with_empty_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b96af6083c6c99233c7dc411ce69493a0e7dbee8e5bd2d515facf8c78fad1d47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b96af6083c6c99233c7dc411ce69493a0e7dbee8e5bd2d515facf8c78fad1d47", kill_on_drop: false }`
[INFO] [stdout] b96af6083c6c99233c7dc411ce69493a0e7dbee8e5bd2d515facf8c78fad1d47