[INFO] fetching crate tree-edit-distance 0.3.0...
[INFO] testing tree-edit-distance-0.3.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate tree-edit-distance 0.3.0 into /workspace/builds/worker-36/source
[INFO] validating manifest of crates.io crate tree-edit-distance 0.3.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tree-edit-distance 0.3.0
[INFO] finished tweaking crates.io crate tree-edit-distance 0.3.0
[INFO] tweaked toml for crates.io crate tree-edit-distance 0.3.0 written to /workspace/builds/worker-36/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f4e866fdc77ee9697f50f489f052a946b6ca96dd27dad39a52d34b46f4d9aba
[INFO] running `Command { std: "docker" "start" "-a" "8f4e866fdc77ee9697f50f489f052a946b6ca96dd27dad39a52d34b46f4d9aba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f4e866fdc77ee9697f50f489f052a946b6ca96dd27dad39a52d34b46f4d9aba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f4e866fdc77ee9697f50f489f052a946b6ca96dd27dad39a52d34b46f4d9aba", kill_on_drop: false }`
[INFO] [stdout] 8f4e866fdc77ee9697f50f489f052a946b6ca96dd27dad39a52d34b46f4d9aba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b65b588d3fc95d2b35cdf39c0e49aefeb3d91ba6726fb1822c4b08e100c0935f
[INFO] running `Command { std: "docker" "start" "-a" "b65b588d3fc95d2b35cdf39c0e49aefeb3d91ba6726fb1822c4b08e100c0935f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling fixedbitset v0.4.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling integer-sqrt v0.1.5
[INFO] [stderr]    Compiling pathfinding v2.2.2
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling tree-edit-distance v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.78s
[INFO] running `Command { std: "docker" "inspect" "b65b588d3fc95d2b35cdf39c0e49aefeb3d91ba6726fb1822c4b08e100c0935f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b65b588d3fc95d2b35cdf39c0e49aefeb3d91ba6726fb1822c4b08e100c0935f", kill_on_drop: false }`
[INFO] [stdout] b65b588d3fc95d2b35cdf39c0e49aefeb3d91ba6726fb1822c4b08e100c0935f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 307c4f048786dea969b238c4000ab432042b960a5b6c87b7c8c5fd4e29abfdf6
[INFO] running `Command { std: "docker" "start" "-a" "307c4f048786dea969b238c4000ab432042b960a5b6c87b7c8c5fd4e29abfdf6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling serde_json v1.0.71
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling quick-error v2.0.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling assert_matches v1.5.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling structmeta-derive v0.1.4
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling structmeta v0.1.4
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling test-strategy v0.1.2
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling proptest v1.0.0
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling tree-edit-distance v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 23.60s
[INFO] running `Command { std: "docker" "inspect" "307c4f048786dea969b238c4000ab432042b960a5b6c87b7c8c5fd4e29abfdf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "307c4f048786dea969b238c4000ab432042b960a5b6c87b7c8c5fd4e29abfdf6", kill_on_drop: false }`
[INFO] [stdout] 307c4f048786dea969b238c4000ab432042b960a5b6c87b7c8c5fd4e29abfdf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a7cccb374f72a0d92245e719b1a95f7bd9947c76be987846587c31050af19cf6
[INFO] running `Command { std: "docker" "start" "-a" "a7cccb374f72a0d92245e719b1a95f7bd9947c76be987846587c31050af19cf6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tree_edit_distance-fbae9fa85c052fd5)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test cost::tests::cost_of_slice_equals_sum_of_costs ... ok
[INFO] [stdout] test tree::tests::count_equals_one_plus_sum_of_count_of_children ... ok
[INFO] [stdout] test memoize::tests::cost_is_memoized ... ok
[INFO] [stdout] test tree::tests::cost_equals_weight_plus_sum_of_costs_of_children ... ok
[INFO] [stdout] test memoize::tests::kind_is_preserved ... ok
[INFO] [stdout] test memoize::tests::weight_is_preserved ... ok
[INFO] [stdout] test diff::tests::the_cost_of_swapping_nodes_is_equal_to_the_sum_of_their_costs ... ok
[INFO] [stdout] test diff::tests::the_cost_is_at_most_equal_to_the_sum_of_costs ... ok
[INFO] [stdout] test diff::tests::nodes_of_different_kinds_cannot_be_replaced ... ok
[INFO] [stdout] test diff::tests::the_number_of_edits_is_at_most_equal_to_the_total_number_of_nodes ... ok
[INFO] [stdout] test diff::tests::the_cost_between_identical_trees_is_zero ... ok
[INFO] [stdout] test diff::tests::the_cost_of_replacing_nodes_does_not_depend_on_their_weights ... ok
[INFO] [stdout] test diff::tests::nodes_of_equal_kinds_can_be_replaced ... ok
[INFO] [stdout] test diff::tests::the_cost_is_always_minimized ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 6.41s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tree-edit-distance
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.77s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a7cccb374f72a0d92245e719b1a95f7bd9947c76be987846587c31050af19cf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7cccb374f72a0d92245e719b1a95f7bd9947c76be987846587c31050af19cf6", kill_on_drop: false }`
[INFO] [stdout] a7cccb374f72a0d92245e719b1a95f7bd9947c76be987846587c31050af19cf6