[INFO] updating cached repository https://github.com/facebookincubator/fastmod
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/facebookincubator/fastmod
[INFO] [stderr]    9991833..99f0d97  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 99f0d97921555990ad60b3b2058b387786078ff8
[INFO] testing facebookincubator/fastmod against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffacebookincubator%2Ffastmod" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/facebookincubator/fastmod on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-8/source/Cargo.toml
[INFO] crate git repo https://github.com/facebookincubator/fastmod already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7ae250df4ee6be67378ecc13007415ae2dabf001cc70ba850ad4ddcb1b829571
[INFO] running `"docker" "start" "-a" "7ae250df4ee6be67378ecc13007415ae2dabf001cc70ba850ad4ddcb1b829571"`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling arc-swap v0.4.5
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]    Compiling bytecount v0.6.0
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling rprompt v1.0.5
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling lock_api v0.3.3
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling grep-matcher v0.1.4
[INFO] [stderr]    Compiling regex v1.3.6
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling bstr v0.2.12
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling parking_lot_core v0.7.0
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling parking_lot v0.10.0
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling globset v0.4.5
[INFO] [stderr]    Compiling grep-regex v0.1.7
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling encoding_rs_io v0.1.7
[INFO] [stderr]    Compiling grep-cli v0.1.4
[INFO] [stderr]    Compiling ignore v0.4.14
[INFO] [stderr]    Compiling signal-hook v0.1.13
[INFO] [stderr]    Compiling grep-searcher v0.1.7
[INFO] [stderr]    Compiling crossterm v0.17.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling failure v0.1.7
[INFO] [stderr]    Compiling serde_json v1.0.50
[INFO] [stderr]    Compiling grep-printer v0.1.4
[INFO] [stderr]    Compiling grep v0.2.5
[INFO] [stderr]    Compiling fastmod v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 38s
[INFO] running `"docker" "inspect" "7ae250df4ee6be67378ecc13007415ae2dabf001cc70ba850ad4ddcb1b829571"`
[INFO] running `"docker" "rm" "-f" "7ae250df4ee6be67378ecc13007415ae2dabf001cc70ba850ad4ddcb1b829571"`
[INFO] [stdout] 7ae250df4ee6be67378ecc13007415ae2dabf001cc70ba850ad4ddcb1b829571
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 54806411c4d2b572e194de6aad5370be2c35e259c315d331f196130863cd0483
[INFO] running `"docker" "start" "-a" "54806411c4d2b572e194de6aad5370be2c35e259c315d331f196130863cd0483"`
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling predicates-core v1.0.0
[INFO] [stderr]    Compiling treeline v0.1.0
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling predicates-tree v1.0.0
[INFO] [stderr]    Compiling predicates v1.0.4
[INFO] [stderr]    Compiling assert_cmd v1.0.1
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling fastmod v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.45s
[INFO] running `"docker" "inspect" "54806411c4d2b572e194de6aad5370be2c35e259c315d331f196130863cd0483"`
[INFO] running `"docker" "rm" "-f" "54806411c4d2b572e194de6aad5370be2c35e259c315d331f196130863cd0483"`
[INFO] [stdout] 54806411c4d2b572e194de6aad5370be2c35e259c315d331f196130863cd0483
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 50f7a9f4f39e2bdd9728947d64f23c30ea2a396879a24e0d24d6a8be41f822df
[INFO] running `"docker" "start" "-a" "50f7a9f4f39e2bdd9728947d64f23c30ea2a396879a24e0d24d6a8be41f822df"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fastmod-36cce9a97c5e1957
[INFO] [stdout] 
[INFO] [stdout] running 11 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_replacement_matches_search ... ok
[INFO] [stdout] test tests::test_zero_length_replacement ... ok
[INFO] [stdout] test tests::test_zero_length_match ... ok
[INFO] [stdout] test tests::test_fixed_strings ... ok
[INFO] [stdout] test tests::test_empty_contents ... ok
[INFO] [stdout] test tests::test_simple_replace_all ... ok
[INFO] [stdout] test tests::test_print_changed_files ... ok
[INFO] [stdout] test tests::test_glob_matches ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "50f7a9f4f39e2bdd9728947d64f23c30ea2a396879a24e0d24d6a8be41f822df"`
[INFO] running `"docker" "rm" "-f" "50f7a9f4f39e2bdd9728947d64f23c30ea2a396879a24e0d24d6a8be41f822df"`
[INFO] [stdout] 50f7a9f4f39e2bdd9728947d64f23c30ea2a396879a24e0d24d6a8be41f822df