[INFO] fetching crate difftastic 0.6.0...
[INFO] testing difftastic-0.6.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate difftastic 0.6.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate difftastic 0.6.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate difftastic 0.6.0
[INFO] finished tweaking crates.io crate difftastic 0.6.0
[INFO] tweaked toml for crates.io crate difftastic 0.6.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate difftastic 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55b507ecf2784c744ea43825c3b099d6a257c1ab9a226f33073d269f51d66c43
[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" "55b507ecf2784c744ea43825c3b099d6a257c1ab9a226f33073d269f51d66c43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55b507ecf2784c744ea43825c3b099d6a257c1ab9a226f33073d269f51d66c43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55b507ecf2784c744ea43825c3b099d6a257c1ab9a226f33073d269f51d66c43", kill_on_drop: false }`
[INFO] [stdout] 55b507ecf2784c744ea43825c3b099d6a257c1ab9a226f33073d269f51d66c43
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddccb53e1b81cb35e95af492a44d2b8179eaf277d2de749392d3a534bfb91228
[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" "ddccb53e1b81cb35e95af492a44d2b8179eaf277d2de749392d3a534bfb91228", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling rust-embed-utils v5.1.0
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.62
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling rust-embed-impl v5.9.0
[INFO] [stderr]    Compiling rust-embed v5.9.0
[INFO] [stderr]    Compiling difftastic v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.52s
[INFO] running `Command { std: "docker" "inspect" "ddccb53e1b81cb35e95af492a44d2b8179eaf277d2de749392d3a534bfb91228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddccb53e1b81cb35e95af492a44d2b8179eaf277d2de749392d3a534bfb91228", kill_on_drop: false }`
[INFO] [stdout] ddccb53e1b81cb35e95af492a44d2b8179eaf277d2de749392d3a534bfb91228
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7ed51afd28b972536a1d88b7f1d8e1ae40495b83af344ed70468f059d278043
[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" "d7ed51afd28b972536a1d88b7f1d8e1ae40495b83af344ed70468f059d278043", kill_on_drop: false }`
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling difftastic v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.26s
[INFO] running `Command { std: "docker" "inspect" "d7ed51afd28b972536a1d88b7f1d8e1ae40495b83af344ed70468f059d278043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7ed51afd28b972536a1d88b7f1d8e1ae40495b83af344ed70468f059d278043", kill_on_drop: false }`
[INFO] [stdout] d7ed51afd28b972536a1d88b7f1d8e1ae40495b83af344ed70468f059d278043
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b627178bba8d74e47ec1bdb38c3ccf00ef659aa9a09410834436d909a1610b0d
[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" "b627178bba8d74e47ec1bdb38c3ccf00ef659aa9a09410834436d909a1610b0d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/difftastic-5cc6b1186a844011)
[INFO] [stdout] 
[INFO] [stdout] running 47 tests
[INFO] [stdout] test dijkstra::tests::identical_atoms ... ok
[INFO] [stdout] test dijkstra::tests::extra_atom_lhs ... ok
[INFO] [stdout] test dijkstra::tests::prefer_atoms_same_line ... ok
[INFO] [stdout] test dijkstra::tests::atom_after_empty_list ... ok
[INFO] [stdout] test dijkstra::tests::repeated_atoms ... ok
[INFO] [stdout] test dijkstra::tests::replace_similar_comment ... ok
[INFO] [stdout] test dijkstra::tests::replace_very_different_comment ... ok
[INFO] [stdout] test dijkstra::tests::test_novel_tree ... ok
[INFO] [stdout] test dijkstra::tests::prefer_children_same_line ... ok
[INFO] [stdout] test lines::test_visible_groups_ignores_unchanged ... ok
[INFO] [stdout] test parse::tests::test_parse_lines ... ok
[INFO] [stdout] test lines::enforce_length_short ... ok
[INFO] [stdout] test lines::from_ranges_split_over_multiple_lines ... ok
[INFO] [stdout] test lines::str_max_line ... ok
[INFO] [stdout] test lines::empty_str_max_line ... ok
[INFO] [stdout] test lines::from_offsets_relative_to ... ok
[INFO] [stdout] test lines::from_ranges_first_line ... ok
[INFO] [stdout] test lines::enforce_length_long ... ok
[INFO] [stdout] test parse::tests::test_parse_string_escaped_backlash_and_second_string ... ok
[INFO] [stdout] test parse::tests::test_parse_comment ... ok
[INFO] [stdout] test parse::tests::test_parse_integer_with_whitespace ... ok
[INFO] [stdout] test parse::tests::test_parse_list ... ok
[INFO] [stdout] test parse::tests::test_parse_empty_string ... ok
[INFO] [stdout] test parse::tests::test_parse_multiple ... ok
[INFO] [stdout] test syntax::tests::test_aligned_all ... ok
[INFO] [stdout] test syntax::tests::test_aligned_line_overlap ... ok
[INFO] [stdout] test syntax::tests::test_aligned_first_line ... ok
[INFO] [stdout] test syntax::tests::test_aligned_middle_drop_none_at_start ... ok
[INFO] [stdout] test syntax::tests::test_aligned_none ... ok
[INFO] [stdout] test syntax::tests::test_aligned_out_of_order ... ok
[INFO] [stdout] test syntax::tests::test_atom_equality_ignores_change ... ok
[INFO] [stdout] test syntax::tests::test_comment_and_atom_differ ... ok
[INFO] [stdout] test parse::tests::test_parse_parens ... ok
[INFO] [stdout] test syntax::tests::test_prev_opposite_pos_first_node ... ok
[INFO] [stdout] test parse::tests::test_parse_indented_multiline_comment ... ok
[INFO] [stdout] test syntax::tests::test_aligned_out_of_range ... ok
[INFO] [stdout] test parse::tests::test_parse_integer ... ok
[INFO] [stdout] test syntax::tests::test_aligned_middle ... ok
[INFO] [stdout] test parse::tests::test_parse_object ... ok
[INFO] [stdout] test parse::tests::test_parse_empty_list ... ok
[INFO] [stdout] test parse::tests::test_parse_string ... ok
[INFO] [stdout] test parse::tests::test_parse_multiline_comment ... ok
[INFO] [stdout] test parse::tests::test_parse_list_with_commas ... ok
[INFO] [stdout] test parse::tests::test_parse_string_escaped_backlash ... ok
[INFO] [stdout] test parse::tests::test_parse_multiline_string ... ok
[INFO] [stdout] test parse::tests::test_parse_string_escaped_doublequote ... ok
[INFO] [stdout] test parse::tests::test_parse_symbol ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 47 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.89s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b627178bba8d74e47ec1bdb38c3ccf00ef659aa9a09410834436d909a1610b0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b627178bba8d74e47ec1bdb38c3ccf00ef659aa9a09410834436d909a1610b0d", kill_on_drop: false }`
[INFO] [stdout] b627178bba8d74e47ec1bdb38c3ccf00ef659aa9a09410834436d909a1610b0d