[INFO] fetching crate similar 2.1.0...
[INFO] testing similar-2.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate similar 2.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate similar 2.1.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate similar 2.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate similar 2.1.0
[INFO] tweaked toml for crates.io crate similar 2.1.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate similar 2.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae9d6dffd2cca09e0b327944834c74def9458b13da9fbfbd38a0a3467352d809
[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" "ae9d6dffd2cca09e0b327944834c74def9458b13da9fbfbd38a0a3467352d809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae9d6dffd2cca09e0b327944834c74def9458b13da9fbfbd38a0a3467352d809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae9d6dffd2cca09e0b327944834c74def9458b13da9fbfbd38a0a3467352d809", kill_on_drop: false }`
[INFO] [stdout] ae9d6dffd2cca09e0b327944834c74def9458b13da9fbfbd38a0a3467352d809
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f664b70bddb3a668724a8ed1752ac8f9aeef347020c512c72f217072a2fdb4c
[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" "2f664b70bddb3a668724a8ed1752ac8f9aeef347020c512c72f217072a2fdb4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling similar v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.24s
[INFO] running `Command { std: "docker" "inspect" "2f664b70bddb3a668724a8ed1752ac8f9aeef347020c512c72f217072a2fdb4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f664b70bddb3a668724a8ed1752ac8f9aeef347020c512c72f217072a2fdb4c", kill_on_drop: false }`
[INFO] [stdout] 2f664b70bddb3a668724a8ed1752ac8f9aeef347020c512c72f217072a2fdb4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2875aa5b5cc5343c2b4a0c69a98c00043ee47bc422f1733bb648703790c2d386
[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" "2875aa5b5cc5343c2b4a0c69a98c00043ee47bc422f1733bb648703790c2d386", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling similar v1.3.0
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling console v0.14.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde_yaml v0.8.17
[INFO] [stderr]    Compiling insta v1.7.1
[INFO] [stderr]    Compiling similar v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 42.57s
[INFO] running `Command { std: "docker" "inspect" "2875aa5b5cc5343c2b4a0c69a98c00043ee47bc422f1733bb648703790c2d386", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2875aa5b5cc5343c2b4a0c69a98c00043ee47bc422f1733bb648703790c2d386", kill_on_drop: false }`
[INFO] [stdout] 2875aa5b5cc5343c2b4a0c69a98c00043ee47bc422f1733bb648703790c2d386
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "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] e3e6f4f804b6630ffc28e688ab97b3e6b899e6d6f2d8d9bcdb7dc1e4ae58a83f
[INFO] running `Command { std: "docker" "start" "-a" "e3e6f4f804b6630ffc28e688ab97b3e6b899e6d6f2d8d9bcdb7dc1e4ae58a83f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/similar-08fed84410dc5d4b)
[INFO] [stdout] 
[INFO] [stdout] running 35 tests
[INFO] [stdout] test algorithms::myers::test_find_middle_snake ... ok
[INFO] [stdout] test algorithms::lcs::test_table ... ok
[INFO] [stdout] test algorithms::utils::test_common_prefix_len ... ok
[INFO] [stdout] test algorithms::utils::test_common_suffix_len ... ok
[INFO] [stdout] test algorithms::utils::test_int_hasher ... ok
[INFO] [stdout] test algorithms::utils::test_unique ... ok
[INFO] [stdout] test text::abstraction::test_split_words ... ok
[INFO] [stdout] test text::abstraction::test_split_chars ... ok
[INFO] [stdout] test common::test_non_string_iter_change ... ok
[INFO] [stdout] test text::abstraction::test_split_lines ... ok
[INFO] [stdout] test text::test_get_close_matches ... ok
[INFO] [stdout] test algorithms::lcs::test_diff ... ok
[INFO] [stdout] test algorithms::capture::test_capture_hook_grouping ... ok
[INFO] [stdout] test algorithms::myers::test_pat ... ok
[INFO] [stdout] test algorithms::patience::test_patience ... ok
[INFO] [stdout] test algorithms::patience::test_patience_out_of_bounds_bug ... ok
[INFO] [stdout] test algorithms::myers::test_diff ... ok
[INFO] [stdout] test algorithms::lcs::test_pat ... ok
[INFO] [stdout] test algorithms::replace::test_mayers_replace ... ok
[INFO] [stdout] test algorithms::lcs::test_contiguous ... ok
[INFO] [stdout] test algorithms::replace::test_replace ... ok
[INFO] [stdout] test algorithms::myers::test_contiguous ... ok
[INFO] [stdout] test udiff::test_empty_unified_diff ... ok
[INFO] [stdout] test text::test_virtual_newlines ... ok
[INFO] [stdout] test text::test_char_diff ... ok
[INFO] [stdout] test text::test_captured_ops ... ok
[INFO] [stdout] test text::test_ratio ... ok
[INFO] [stdout] test udiff::test_unified_diff_newline_hint ... ok
[INFO] [stdout] test utils::test_remapper ... ok
[INFO] [stdout] test text::test_unified_diff ... ok
[INFO] [stdout] test text::test_lifetimes_on_iter ... ok
[INFO] [stdout] test text::test_line_ops ... ok
[INFO] [stdout] test udiff::test_unified_diff ... ok
[INFO] [stdout] test text::test_captured_word_ops ... ok
[INFO] [stderr]    Doc-tests similar
[INFO] [stdout] test algorithms::myers::test_deadline_reached ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 35 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.27s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test src/algorithms/utils.rs - algorithms::utils::IdentifyDistinct (line 168) ... ok
[INFO] [stdout] test src/text/mod.rs - text::TextDiffConfig::diff_chars (line 180) ... ok
[INFO] [stdout] test src/types.rs - types::DiffOp::iter_changes (line 276) ... ok
[INFO] [stdout] test src/udiff.rs - udiff::UnifiedDiff (line 103) ... ok
[INFO] [stdout] test src/utils.rs - utils::TextDiffRemapper (line 78) ... ok
[INFO] [stdout] test src/lib.rs - (line 38) ... ok
[INFO] [stdout] test src/types.rs - types::DiffOp::iter_slices (line 314) ... ok
[INFO] [stdout] test src/text/mod.rs - text::TextDiffConfig::diff_lines (line 104) ... ok
[INFO] [stdout] test src/udiff.rs - udiff (line 6) ... ok
[INFO] [stdout] test src/text/mod.rs - text::TextDiff::ratio (line 480) ... ok
[INFO] [stdout] test src/text/mod.rs - text::TextDiffConfig::diff_slices (line 299) ... ok
[INFO] [stdout] test src/text/mod.rs - text::TextDiffConfig::diff_words (line 142) ... ok
[INFO] [stdout] test src/lib.rs - (line 23) ... ok
[INFO] [stdout] test src/utils.rs - utils::diff_chars (line 232) ... ok
[INFO] [stdout] test src/text/mod.rs - text::get_close_matches (line 566) ... ok
[INFO] [stdout] test src/algorithms/mod.rs - algorithms (line 23) ... ok
[INFO] [stdout] test src/utils.rs - utils::diff_slices (line 203) ... ok
[INFO] [stdout] test src/utils.rs - utils::diff_lines (line 379) ... ok
[INFO] [stdout] test src/utils.rs - utils::diff_words (line 264) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 7.24s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e3e6f4f804b6630ffc28e688ab97b3e6b899e6d6f2d8d9bcdb7dc1e4ae58a83f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3e6f4f804b6630ffc28e688ab97b3e6b899e6d6f2d8d9bcdb7dc1e4ae58a83f", kill_on_drop: false }`
[INFO] [stdout] e3e6f4f804b6630ffc28e688ab97b3e6b899e6d6f2d8d9bcdb7dc1e4ae58a83f