[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] cd50d384c0c28e99a271e4d764c3cbb73ec4b278
[INFO] testing facebookincubator/fastmod against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffacebookincubator%2Ffastmod" "/workspace/builds/worker-101/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-101/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/facebookincubator/fastmod on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-101/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e04d867e7b18fb22f19d906f1c6058bbe16f3e7a1f6b703973e1c867d6fe821
[INFO] running `Command { std: "docker" "start" "-a" "9e04d867e7b18fb22f19d906f1c6058bbe16f3e7a1f6b703973e1c867d6fe821", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e04d867e7b18fb22f19d906f1c6058bbe16f3e7a1f6b703973e1c867d6fe821", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e04d867e7b18fb22f19d906f1c6058bbe16f3e7a1f6b703973e1c867d6fe821", kill_on_drop: false }`
[INFO] [stdout] 9e04d867e7b18fb22f19d906f1c6058bbe16f3e7a1f6b703973e1c867d6fe821
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b6dcdfcec1e1fea8f54799fd24acd9bf6f6311f7d122b034c3568b7b95f03f7
[INFO] running `Command { std: "docker" "start" "-a" "0b6dcdfcec1e1fea8f54799fd24acd9bf6f6311f7d122b034c3568b7b95f03f7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling rprompt v1.0.5
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling lock_api v0.3.4
[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 atty v0.2.14
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling encoding_rs_io v0.1.7
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling grep-searcher v0.1.7
[INFO] [stderr]    Compiling signal-hook v0.1.17
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]    Compiling crossterm v0.17.7
[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 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 43.67s
[INFO] running `Command { std: "docker" "inspect" "0b6dcdfcec1e1fea8f54799fd24acd9bf6f6311f7d122b034c3568b7b95f03f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b6dcdfcec1e1fea8f54799fd24acd9bf6f6311f7d122b034c3568b7b95f03f7", kill_on_drop: false }`
[INFO] [stdout] 0b6dcdfcec1e1fea8f54799fd24acd9bf6f6311f7d122b034c3568b7b95f03f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee40c383409410633a1e352eea8ad2cbd2c40cc117a4b563e4a0bde44d48b750
[INFO] running `Command { std: "docker" "start" "-a" "ee40c383409410633a1e352eea8ad2cbd2c40cc117a4b563e4a0bde44d48b750", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling predicates-core v1.0.2
[INFO] [stderr]    Compiling treeline v0.1.0
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling predicates-tree v1.0.2
[INFO] [stderr]    Compiling predicates v1.0.7
[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 5.43s
[INFO] running `Command { std: "docker" "inspect" "ee40c383409410633a1e352eea8ad2cbd2c40cc117a4b563e4a0bde44d48b750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee40c383409410633a1e352eea8ad2cbd2c40cc117a4b563e4a0bde44d48b750", kill_on_drop: false }`
[INFO] [stdout] ee40c383409410633a1e352eea8ad2cbd2c40cc117a4b563e4a0bde44d48b750
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 67f8f7e9c800711716fcc91d0086318d34b70e2f87d0555519f72e406e0a310a
[INFO] running `Command { std: "docker" "start" "-a" "67f8f7e9c800711716fcc91d0086318d34b70e2f87d0555519f72e406e0a310a", 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]     Finished test [unoptimized + debuginfo] target(s) in 1.96s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fastmod-1b6d4eeeb27a460a)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test tests::test_index_to_row_col ... 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_empty_contents ... 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_simple_replace_all ... ok
[INFO] [stdout] test tests::test_zero_length_replacement ... ok
[INFO] [stdout] test tests::test_fixed_strings ... ok
[INFO] [stdout] test tests::test_zero_length_match ... ok
[INFO] [stdout] test tests::test_hidden_files ... ok
[INFO] [stdout] test tests::test_glob_matches ... ok
[INFO] [stdout] test tests::test_print_changed_files ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "67f8f7e9c800711716fcc91d0086318d34b70e2f87d0555519f72e406e0a310a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67f8f7e9c800711716fcc91d0086318d34b70e2f87d0555519f72e406e0a310a", kill_on_drop: false }`
[INFO] [stdout] 67f8f7e9c800711716fcc91d0086318d34b70e2f87d0555519f72e406e0a310a