[INFO] crate tail-reader 3.0.0 is already in cache
[INFO] extracting crate tail-reader 3.0.0 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/tail-reader/3.0.0
[INFO] extracting crate tail-reader 3.0.0 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/tail-reader/3.0.0
[INFO] validating manifest of tail-reader-3.0.0 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tail-reader-3.0.0 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tail-reader-3.0.0
[INFO] finished frobbing tail-reader-3.0.0
[INFO] frobbed toml for tail-reader-3.0.0 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/tail-reader/3.0.0/Cargo.toml
[INFO] started frobbing tail-reader-3.0.0
[INFO] finished frobbing tail-reader-3.0.0
[INFO] frobbed toml for tail-reader-3.0.0 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/tail-reader/3.0.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing tail-reader-3.0.0 against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/tail-reader/3.0.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 0433e78570f9a17bf9ac5e3cad99941ce1029a20b29ca51346ff67cd32ade361
[INFO] running `"docker" "start" "-a" "0433e78570f9a17bf9ac5e3cad99941ce1029a20b29ca51346ff67cd32ade361"`
[INFO] [stderr]    Compiling inotify-sys v0.1.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling pretty_env_logger v0.2.5
[INFO] [stderr]    Compiling inotify v0.6.1
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling notify v4.0.7
[INFO] [stderr]    Compiling crossbeam-channel v0.2.6
[INFO] [stderr]    Compiling tail-reader v3.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: static variable `tail_info_map` should have an upper case name
[INFO] [stderr]    --> src/tail_reader.rs:100:20
[INFO] [stderr]     |
[INFO] [stderr] 100 |         static ref tail_info_map: Arc<CHashMap<PathBuf,TailInfo>> = Arc::new(CHashMap::new());
[INFO] [stderr]     |                    ^^^^^^^^^^^^^ help: convert the identifier to upper case: `TAIL_INFO_MAP`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.42s
[INFO] running `"docker" "inspect" "0433e78570f9a17bf9ac5e3cad99941ce1029a20b29ca51346ff67cd32ade361"`
[INFO] running `"docker" "rm" "-f" "0433e78570f9a17bf9ac5e3cad99941ce1029a20b29ca51346ff67cd32ade361"`
[INFO] [stdout] 0433e78570f9a17bf9ac5e3cad99941ce1029a20b29ca51346ff67cd32ade361
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/tail-reader/3.0.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 28e18b4686c585edfd369d9323900c7f9508ae558454c949ac4988ac86273cd4
[INFO] running `"docker" "start" "-a" "28e18b4686c585edfd369d9323900c7f9508ae558454c949ac4988ac86273cd4"`
[INFO] [stderr]    Compiling tail-reader v3.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: static variable `tail_info_map` should have an upper case name
[INFO] [stderr]    --> src/tail_reader.rs:100:20
[INFO] [stderr]     |
[INFO] [stderr] 100 |         static ref tail_info_map: Arc<CHashMap<PathBuf,TailInfo>> = Arc::new(CHashMap::new());
[INFO] [stderr]     |                    ^^^^^^^^^^^^^ help: convert the identifier to upper case: `TAIL_INFO_MAP`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.55s
[INFO] running `"docker" "inspect" "28e18b4686c585edfd369d9323900c7f9508ae558454c949ac4988ac86273cd4"`
[INFO] running `"docker" "rm" "-f" "28e18b4686c585edfd369d9323900c7f9508ae558454c949ac4988ac86273cd4"`
[INFO] [stdout] 28e18b4686c585edfd369d9323900c7f9508ae558454c949ac4988ac86273cd4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/tail-reader/3.0.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] ca7eb22114eda506af9db842f09f44c57b0d87f2af341270da4ade85e537efd3
[INFO] running `"docker" "start" "-a" "ca7eb22114eda506af9db842f09f44c57b0d87f2af341270da4ade85e537efd3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tail_reader-07a237336e247abc
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test ... test tests::test has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `"docker" "inspect" "ca7eb22114eda506af9db842f09f44c57b0d87f2af341270da4ade85e537efd3"`
[INFO] running `"docker" "rm" "-f" "ca7eb22114eda506af9db842f09f44c57b0d87f2af341270da4ade85e537efd3"`
[INFO] [stdout] ca7eb22114eda506af9db842f09f44c57b0d87f2af341270da4ade85e537efd3