[INFO] cloning repository https://github.com/facebookincubator/fastmod
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/facebookincubator/fastmod" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffacebookincubator%2Ffastmod", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffacebookincubator%2Ffastmod'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 211ebcb931e8ee9c27184b442b4e4b6ed28887e3
[INFO] testing facebookincubator/fastmod against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffacebookincubator%2Ffastmod" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/facebookincubator/fastmod on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/facebookincubator/fastmod
[INFO] finished tweaking git repo https://github.com/facebookincubator/fastmod
[INFO] tweaked toml for git repo https://github.com/facebookincubator/fastmod written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/facebookincubator/fastmod already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded byteorder v1.4.3
[INFO] [stderr]   Downloaded bytecount v0.6.2
[INFO] [stderr]   Downloaded diff v0.1.12
[INFO] [stderr]   Downloaded assert_cmd v1.0.3
[INFO] [stderr]   Downloaded mio v0.7.11
[INFO] [stderr]   Downloaded signal-hook-registry v1.3.0
[INFO] [stderr]   Downloaded grep-regex v0.1.8
[INFO] [stderr]   Downloaded grep-matcher v0.1.4
[INFO] [stderr]   Downloaded globset v0.4.6
[INFO] [stderr]   Downloaded anyhow v1.0.40
[INFO] [stderr]   Downloaded signal-hook v0.1.17
[INFO] [stderr]   Downloaded crossterm v0.17.7
[INFO] [stderr]   Downloaded crossterm_winapi v0.6.2
[INFO] [stderr]   Downloaded grep-cli v0.1.5
[INFO] [stderr]   Downloaded grep-printer v0.1.5
[INFO] [stderr]   Downloaded grep-searcher v0.1.7
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.3
[INFO] [stderr]   Downloaded ignore v0.4.17
[INFO] [stderr]   Downloaded encoding_rs_io v0.1.7
[INFO] [stderr]   Downloaded once_cell v1.7.2
[INFO] [stderr]   Downloaded thread_local v1.1.3
[INFO] [stderr]   Downloaded grep v0.2.7
[INFO] [stderr]   Downloaded bstr v0.2.15
[INFO] [stderr]   Downloaded rprompt v1.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56e4377d9627fa1a788fde1bffedbc2a7e33edefa3904f935c30d46492473d5d
[INFO] running `Command { std: "docker" "start" "-a" "56e4377d9627fa1a788fde1bffedbc2a7e33edefa3904f935c30d46492473d5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56e4377d9627fa1a788fde1bffedbc2a7e33edefa3904f935c30d46492473d5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56e4377d9627fa1a788fde1bffedbc2a7e33edefa3904f935c30d46492473d5d", kill_on_drop: false }`
[INFO] [stdout] 56e4377d9627fa1a788fde1bffedbc2a7e33edefa3904f935c30d46492473d5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d696e5911df8635bc64941da773cff31617bed1b4fab6f0ebc2e45cc53e518df
[INFO] running `Command { std: "docker" "start" "-a" "d696e5911df8635bc64941da773cff31617bed1b4fab6f0ebc2e45cc53e518df", 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] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling rprompt v1.0.5
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling signal-hook v0.1.17
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling bstr v0.2.15
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling grep-matcher v0.1.4
[INFO] [stderr]    Compiling crossterm v0.17.7
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]    Compiling encoding_rs_io v0.1.7
[INFO] [stderr]    Compiling grep-searcher v0.1.7
[INFO] [stderr]    Compiling globset v0.4.6
[INFO] [stderr]    Compiling grep-regex v0.1.8
[INFO] [stderr]    Compiling grep-cli v0.1.5
[INFO] [stderr]    Compiling ignore v0.4.17
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling grep-printer v0.1.5
[INFO] [stderr]    Compiling grep v0.2.7
[INFO] [stderr]    Compiling fastmod v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.12s
[INFO] running `Command { std: "docker" "inspect" "d696e5911df8635bc64941da773cff31617bed1b4fab6f0ebc2e45cc53e518df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d696e5911df8635bc64941da773cff31617bed1b4fab6f0ebc2e45cc53e518df", kill_on_drop: false }`
[INFO] [stdout] d696e5911df8635bc64941da773cff31617bed1b4fab6f0ebc2e45cc53e518df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d901f5ccbd0f62267d6b7c6f41ed614ad36c7dbb1b5c11848a766159eef06fa3
[INFO] running `Command { std: "docker" "start" "-a" "d901f5ccbd0f62267d6b7c6f41ed614ad36c7dbb1b5c11848a766159eef06fa3", kill_on_drop: false }`
[INFO] [stderr]    Compiling predicates-core v1.0.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling predicates v1.0.7
[INFO] [stderr]    Compiling predicates-tree v1.0.2
[INFO] [stderr]    Compiling assert_cmd v1.0.3
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling fastmod v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.53s
[INFO] running `Command { std: "docker" "inspect" "d901f5ccbd0f62267d6b7c6f41ed614ad36c7dbb1b5c11848a766159eef06fa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d901f5ccbd0f62267d6b7c6f41ed614ad36c7dbb1b5c11848a766159eef06fa3", kill_on_drop: false }`
[INFO] [stdout] d901f5ccbd0f62267d6b7c6f41ed614ad36c7dbb1b5c11848a766159eef06fa3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1064d7a5633a9d34dff9a94798daa138057f08c697de91c9edd491ad8211896c
[INFO] running `Command { std: "docker" "start" "-a" "1064d7a5633a9d34dff9a94798daa138057f08c697de91c9edd491ad8211896c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fastmod-09776bb2e73e2e0a)
[INFO] [stdout] running 13 tests
[INFO] [stdout] test tests::test_index_to_row_col ... ok
[INFO] [stdout] test tests::test_fixed_strings ... ok
[INFO] [stdout] test tests::test_diff_with_unchanged_line_in_middle ... ok
[INFO] [stdout] test tests::test_diff_no_changes ... ok
[INFO] [stdout] test tests::test_replace_next_to_unicode_character ... ok
[INFO] [stdout] test tests::test_replacement_matches_search ... ok
[INFO] [stdout] test tests::test_zero_length_replacement ... ok
[INFO] [stdout] test tests::test_simple_replace_all ... ok
[INFO] [stdout] test tests::test_empty_contents ... ok
[INFO] [stdout] test tests::test_zero_length_match ... ok
[INFO] [stdout] test tests::test_print_changed_files ... ok
[INFO] [stdout] test tests::test_glob_matches ... ok
[INFO] [stdout] test tests::test_hidden_files ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1064d7a5633a9d34dff9a94798daa138057f08c697de91c9edd491ad8211896c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1064d7a5633a9d34dff9a94798daa138057f08c697de91c9edd491ad8211896c", kill_on_drop: false }`
[INFO] [stdout] 1064d7a5633a9d34dff9a94798daa138057f08c697de91c9edd491ad8211896c