[INFO] crate tail-reader 3.0.0 is already in cache
[INFO] extracting crate tail-reader 3.0.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/tail-reader/3.0.0
[INFO] extracting crate tail-reader 3.0.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tail-reader/3.0.0
[INFO] validating manifest of tail-reader-3.0.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tail-reader-3.0.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/reg/tail-reader/3.0.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing tail-reader-3.0.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 0a42228f7d58811fcfa6d16c0a93f96d8cba1e25a9c35e1cc68460a5d9f95d54
[INFO] running `"docker" "start" "-a" "0a42228f7d58811fcfa6d16c0a93f96d8cba1e25a9c35e1cc68460a5d9f95d54"`
[INFO] [stderr]    Compiling parking_lot v0.4.8
[INFO] [stderr]    Compiling pretty_env_logger v0.2.5
[INFO] [stderr]    Compiling chashmap v2.2.2
[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 4.89s
[INFO] running `"docker" "inspect" "0a42228f7d58811fcfa6d16c0a93f96d8cba1e25a9c35e1cc68460a5d9f95d54"`
[INFO] running `"docker" "rm" "-f" "0a42228f7d58811fcfa6d16c0a93f96d8cba1e25a9c35e1cc68460a5d9f95d54"`
[INFO] [stdout] 0a42228f7d58811fcfa6d16c0a93f96d8cba1e25a9c35e1cc68460a5d9f95d54
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] dc914cd459db89dcf1feb0f4a2c3c55127ed35a8684c38f069c35152d1c6b953
[INFO] running `"docker" "start" "-a" "dc914cd459db89dcf1feb0f4a2c3c55127ed35a8684c38f069c35152d1c6b953"`
[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 3.65s
[INFO] running `"docker" "inspect" "dc914cd459db89dcf1feb0f4a2c3c55127ed35a8684c38f069c35152d1c6b953"`
[INFO] running `"docker" "rm" "-f" "dc914cd459db89dcf1feb0f4a2c3c55127ed35a8684c38f069c35152d1c6b953"`
[INFO] [stdout] dc914cd459db89dcf1feb0f4a2c3c55127ed35a8684c38f069c35152d1c6b953
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 5793e4b1ca8a8bb8ee67541215cdfd57ecc076d779d8f70d24784b9a3b69f873
[INFO] running `"docker" "start" "-a" "5793e4b1ca8a8bb8ee67541215cdfd57ecc076d779d8f70d24784b9a3b69f873"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tail_reader-f769cc710013f1c9
[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" "5793e4b1ca8a8bb8ee67541215cdfd57ecc076d779d8f70d24784b9a3b69f873"`
[INFO] running `"docker" "rm" "-f" "5793e4b1ca8a8bb8ee67541215cdfd57ecc076d779d8f70d24784b9a3b69f873"`
[INFO] [stdout] 5793e4b1ca8a8bb8ee67541215cdfd57ecc076d779d8f70d24784b9a3b69f873