[INFO] fetching crate wu-diff 0.1.2...
[INFO] testing wu-diff-0.1.2 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate wu-diff 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate wu-diff 0.1.2 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wu-diff 0.1.2
[INFO] finished tweaking crates.io crate wu-diff 0.1.2
[INFO] tweaked toml for crates.io crate wu-diff 0.1.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate wu-diff 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69d74b1ac1d77532ea2c617747038ccbbad2aa088519ca40ed0f1ec54977ca33
[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" "69d74b1ac1d77532ea2c617747038ccbbad2aa088519ca40ed0f1ec54977ca33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69d74b1ac1d77532ea2c617747038ccbbad2aa088519ca40ed0f1ec54977ca33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69d74b1ac1d77532ea2c617747038ccbbad2aa088519ca40ed0f1ec54977ca33", kill_on_drop: false }`
[INFO] [stdout] 69d74b1ac1d77532ea2c617747038ccbbad2aa088519ca40ed0f1ec54977ca33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b3b14b90bd85f4190f9f2c469cfb26463d8ab4d38cc9819b687fbcf3955cf6a
[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" "3b3b14b90bd85f4190f9f2c469cfb26463d8ab4d38cc9819b687fbcf3955cf6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling wu-diff v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "3b3b14b90bd85f4190f9f2c469cfb26463d8ab4d38cc9819b687fbcf3955cf6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b3b14b90bd85f4190f9f2c469cfb26463d8ab4d38cc9819b687fbcf3955cf6a", kill_on_drop: false }`
[INFO] [stdout] 3b3b14b90bd85f4190f9f2c469cfb26463d8ab4d38cc9819b687fbcf3955cf6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b94f98f1c07d4e73cea1f73f449477014b85b7b9f9fe39385c84e57ea87ce5b6
[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" "b94f98f1c07d4e73cea1f73f449477014b85b7b9f9fe39385c84e57ea87ce5b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.2
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling byteorder v1.2.2
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling cc v1.0.10
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling serde v1.0.42
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling itoa v0.4.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.7
[INFO] [stderr]    Compiling cast v0.2.2
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling quick-error v1.2.1
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling thread-scoped v1.0.2
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling atty v0.2.9
[INFO] [stderr]    Compiling proc-macro2 v0.3.6
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling inflate v0.3.4
[INFO] [stderr]    Compiling regex-syntax v0.5.5
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling deflate v0.7.18
[INFO] [stderr]    Compiling term v0.5.1
[INFO] [stderr]    Compiling base64 v0.9.2
[INFO] [stderr]    Compiling gif v0.9.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling criterion-stats v0.2.3
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling chrono v0.4.2
[INFO] [stderr]    Compiling num-iter v0.1.35
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling itertools-num v0.1.1
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]    Compiling criterion-plot v0.2.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling simplelog v0.5.1
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling pest_derive v1.0.7
[INFO] [stderr]    Compiling serde_json v1.0.16
[INFO] [stderr]    Compiling serde_derive_internals v0.23.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling image v0.18.0
[INFO] [stderr]    Compiling serde_derive v1.0.42
[INFO] [stderr]    Compiling handlebars v0.31.0
[INFO] [stderr]    Compiling backtrace v0.3.6
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling criterion v0.2.3
[INFO] [stderr]    Compiling wu-diff v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> tests/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(extern_prelude)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` 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 52.57s
[INFO] running `Command { std: "docker" "inspect" "b94f98f1c07d4e73cea1f73f449477014b85b7b9f9fe39385c84e57ea87ce5b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b94f98f1c07d4e73cea1f73f449477014b85b7b9f9fe39385c84e57ea87ce5b6", kill_on_drop: false }`
[INFO] [stdout] b94f98f1c07d4e73cea1f73f449477014b85b7b9f9fe39385c84e57ea87ce5b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", 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] b6a0d02e1a71063e5200b8a3dc5e6387c0309c344bcb1b04517ca6757bf07a1d
[INFO] running `Command { std: "docker" "start" "-a" "b6a0d02e1a71063e5200b8a3dc5e6387c0309c344bcb1b04517ca6757bf07a1d", kill_on_drop: false }`
[INFO] [stderr] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> tests/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(extern_prelude)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wu_diff-14d96b45ee8647b0)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test should_create_diff_result_with_added_swapped ... ok
[INFO] [stdout] test should_return_one_changed ... ok
[INFO] [stdout] test should_return_one_common ... ok
[INFO] [stdout] test should_return_two_changed ... ok
[INFO] [stdout] test should_return_one_removed ... ok
[INFO] [stdout] test should_return_one_added ... ok
[INFO] [stdout] test should_return_empty ... ok
[INFO] [stdout] test should_create_string_and_strength_diff_result ... ok
[INFO] [stdout] test should_create_diff_result_with_removed ... ok
[INFO] [stdout] test should_create_diff_result_without_new ... ok
[INFO] [stdout] test should_create_one_removed_diff_result ... ok
[INFO] [stdout] test should_create_empty_result_with_empty_input ... ok
[INFO] [stdout] test should_create_diff_result_with_added_common_no_suffix ... ok
[INFO] [stdout] test should_create_diff_result_with_added ... ok
[INFO] [stdout] test should_create_diff_result_without_old ... ok
[INFO] [stdout] test should_create_diff_result_with_added_common_no_suffix_swapped ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-7d70c0b7257c0f2e)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::image_diff_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.28s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests wu-diff
[INFO] [stdout] 
[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" "b6a0d02e1a71063e5200b8a3dc5e6387c0309c344bcb1b04517ca6757bf07a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6a0d02e1a71063e5200b8a3dc5e6387c0309c344bcb1b04517ca6757bf07a1d", kill_on_drop: false }`
[INFO] [stdout] b6a0d02e1a71063e5200b8a3dc5e6387c0309c344bcb1b04517ca6757bf07a1d