[INFO] fetching crate pretty 0.10.0...
[INFO] testing pretty-0.10.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate pretty 0.10.0 into /workspace/builds/worker-87/source
[INFO] validating manifest of crates.io crate pretty 0.10.0 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 pretty 0.10.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate pretty 0.10.0
[INFO] tweaked toml for crates.io crate pretty 0.10.0 written to /workspace/builds/worker-87/source/Cargo.toml
[INFO] crate crates.io crate pretty 0.10.0 already has a lockfile, it will not be regenerated
[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-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] d503d4c035116a43f3264c593acad024016eef6ff5abf6838f56f6140ce460a4
[INFO] running `Command { std: "docker" "start" "-a" "d503d4c035116a43f3264c593acad024016eef6ff5abf6838f56f6140ce460a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d503d4c035116a43f3264c593acad024016eef6ff5abf6838f56f6140ce460a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d503d4c035116a43f3264c593acad024016eef6ff5abf6838f56f6140ce460a4", kill_on_drop: false }`
[INFO] [stdout] d503d4c035116a43f3264c593acad024016eef6ff5abf6838f56f6140ce460a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] 8b83e0a1e1faab5bdca88bc4c118e2634db27d8f3842d911c4a878ade6e6c871
[INFO] running `Command { std: "docker" "start" "-a" "8b83e0a1e1faab5bdca88bc4c118e2634db27d8f3842d911c4a878ade6e6c871", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling typed-arena v2.0.1
[INFO] [stderr]    Compiling pretty v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `Command { std: "docker" "inspect" "8b83e0a1e1faab5bdca88bc4c118e2634db27d8f3842d911c4a878ade6e6c871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b83e0a1e1faab5bdca88bc4c118e2634db27d8f3842d911c4a878ade6e6c871", kill_on_drop: false }`
[INFO] [stdout] 8b83e0a1e1faab5bdca88bc4c118e2634db27d8f3842d911c4a878ade6e6c871
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] a4d73449acbdb933183e613237f79f568f813ba397f4ee5b0ee50b8a45462c0c
[INFO] running `Command { std: "docker" "start" "-a" "a4d73449acbdb933183e613237f79f568f813ba397f4ee5b0ee50b8a45462c0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling oorandom v11.1.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling regex v1.3.6
[INFO] [stderr]    Compiling criterion-plot v0.4.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling plotters v0.2.12
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling serde_json v1.0.49
[INFO] [stderr]    Compiling bstr v0.2.12
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling tinytemplate v1.0.3
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling criterion v0.3.1
[INFO] [stderr]    Compiling pretty v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 31.01s
[INFO] running `Command { std: "docker" "inspect" "a4d73449acbdb933183e613237f79f568f813ba397f4ee5b0ee50b8a45462c0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4d73449acbdb933183e613237f79f568f813ba397f4ee5b0ee50b8a45462c0c", kill_on_drop: false }`
[INFO] [stdout] a4d73449acbdb933183e613237f79f568f813ba397f4ee5b0ee50b8a45462c0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] 62e2120d2fa10056465c40d1320636b405e57fbf4ce579843ec3dc5b7cefe8d7
[INFO] running `Command { std: "docker" "start" "-a" "62e2120d2fa10056465c40d1320636b405e57fbf4ce579843ec3dc5b7cefe8d7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pretty-7b17719defb63cd6)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test tests::annotation_no_panic ... ok
[INFO] [stdout] test tests::annotations ... ok
[INFO] [stdout] test tests::box_doc_inference ... ok
[INFO] [stdout] test tests::block ... ok
[INFO] [stdout] test tests::doc_size ... ok
[INFO] [stdout] test tests::fail ... ok
[INFO] [stdout] test tests::forced_newline ... ok
[INFO] [stdout] test tests::hang_comment ... ok
[INFO] [stdout] test tests::hang_lambda ... ok
[INFO] [stdout] test tests::line_comment ... ok
[INFO] [stdout] test tests::newline_after_group_does_not_affect_it ... ok
[INFO] [stdout] test tests::hang_lambda2 ... ok
[INFO] [stdout] test tests::newline_in_text ... ok
[INFO] [stdout] test tests::newline_does_not_cause_next_line_to_be_to_long ... ok
[INFO] [stdout] test tests::space_do_not_reset_pos ... ok
[INFO] [stdout] test tests::usize_max_value ... ok
[INFO] [stdout] test tests::union2 ... ok
[INFO] [stdout] test tests::union ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pretty
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] test src/lib.rs - (line 39) ... ok
[INFO] [stdout] test src/lib.rs - (line 63) ... ok
[INFO] [stdout] test src/lib.rs - Doc::pretty (line 600) ... ok
[INFO] [stdout] test src/lib.rs - (line 94) ... ok
[INFO] [stdout] test src/lib.rs - DocAllocator::column (line 817) ... ok
[INFO] [stdout] test src/lib.rs - DocAllocator::nesting (line 834) ... ok
[INFO] [stdout] test src/lib.rs - DocBuilder::flat_alt (line 953) ... ok
[INFO] [stdout] test src/lib.rs - DocBuilder::width (line 1137) ... ok
[INFO] [stdout] test src/lib.rs - DocAllocator::line_ (line 725) ... ok
[INFO] [stdout] test src/lib.rs - DocBuilder::indent (line 1097) ... ok
[INFO] [stdout] test src/lib.rs - DocBuilder::hang (line 1073) ... ok
[INFO] [stdout] test src/lib.rs - DocBuilder::align (line 1046) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.17s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "62e2120d2fa10056465c40d1320636b405e57fbf4ce579843ec3dc5b7cefe8d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62e2120d2fa10056465c40d1320636b405e57fbf4ce579843ec3dc5b7cefe8d7", kill_on_drop: false }`
[INFO] [stdout] 62e2120d2fa10056465c40d1320636b405e57fbf4ce579843ec3dc5b7cefe8d7