[INFO] updating cached repository RuneBlaze/hmm-filterer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/RuneBlaze/hmm-filterer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/RuneBlaze/hmm-filterer" "work/ex/beta-1.38-1/sources/1.37.0/gh/RuneBlaze/hmm-filterer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/RuneBlaze/hmm-filterer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/RuneBlaze/hmm-filterer" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RuneBlaze/hmm-filterer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RuneBlaze/hmm-filterer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2d6c891c77c95e43175a5a41af654568f320742a
[INFO] sha for GitHub repo RuneBlaze/hmm-filterer: 2d6c891c77c95e43175a5a41af654568f320742a
[INFO] validating manifest of RuneBlaze/hmm-filterer on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of RuneBlaze/hmm-filterer on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing RuneBlaze/hmm-filterer
[INFO] finished frobbing RuneBlaze/hmm-filterer
[INFO] frobbed toml for RuneBlaze/hmm-filterer written to work/ex/beta-1.38-1/sources/1.37.0/gh/RuneBlaze/hmm-filterer/Cargo.toml
[INFO] started frobbing RuneBlaze/hmm-filterer
[INFO] finished frobbing RuneBlaze/hmm-filterer
[INFO] frobbed toml for RuneBlaze/hmm-filterer written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RuneBlaze/hmm-filterer/Cargo.toml
[INFO] crate RuneBlaze/hmm-filterer already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing RuneBlaze/hmm-filterer against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/RuneBlaze/hmm-filterer:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 06fac4771b581527adbdd59a24e24c48d15e4b5c1a0cb751239988e079efabd0
[INFO] running `"docker" "start" "-a" "06fac4771b581527adbdd59a24e24c48d15e4b5c1a0cb751239988e079efabd0"`
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling rust-hmm-filterer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unknown lint: `clippy`
[INFO] [stderr]  --> src/main.rs:1:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![warn(clippy)]
[INFO] [stderr]   |         ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unknown_lints)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Result`
[INFO] [stderr]  --> src/main.rs:5:35
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{BufRead, BufReader, Result};
[INFO] [stderr]   |                                   ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.99s
[INFO] running `"docker" "inspect" "06fac4771b581527adbdd59a24e24c48d15e4b5c1a0cb751239988e079efabd0"`
[INFO] running `"docker" "rm" "-f" "06fac4771b581527adbdd59a24e24c48d15e4b5c1a0cb751239988e079efabd0"`
[INFO] [stdout] 06fac4771b581527adbdd59a24e24c48d15e4b5c1a0cb751239988e079efabd0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/RuneBlaze/hmm-filterer:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] a60a1b797cb9418c4aa8e3b3b5746cba7058c3c43af5d4b3f6ee1c6908720929
[INFO] running `"docker" "start" "-a" "a60a1b797cb9418c4aa8e3b3b5746cba7058c3c43af5d4b3f6ee1c6908720929"`
[INFO] [stderr]    Compiling rust-hmm-filterer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unknown lint: `clippy`
[INFO] [stderr]  --> src/main.rs:1:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![warn(clippy)]
[INFO] [stderr]   |         ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unknown_lints)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Result`
[INFO] [stderr]  --> src/main.rs:5:35
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{BufRead, BufReader, Result};
[INFO] [stderr]   |                                   ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `"docker" "inspect" "a60a1b797cb9418c4aa8e3b3b5746cba7058c3c43af5d4b3f6ee1c6908720929"`
[INFO] running `"docker" "rm" "-f" "a60a1b797cb9418c4aa8e3b3b5746cba7058c3c43af5d4b3f6ee1c6908720929"`
[INFO] [stdout] a60a1b797cb9418c4aa8e3b3b5746cba7058c3c43af5d4b3f6ee1c6908720929
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/RuneBlaze/hmm-filterer:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] c6e628802fb6d91ef5f1b078b2486a74639c4bd46afac04c394e88c8c1ae06b4
[INFO] running `"docker" "start" "-a" "c6e628802fb6d91ef5f1b078b2486a74639c4bd46afac04c394e88c8c1ae06b4"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_hmm_filterer-ed0cc4aadc366155
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c6e628802fb6d91ef5f1b078b2486a74639c4bd46afac04c394e88c8c1ae06b4"`
[INFO] running `"docker" "rm" "-f" "c6e628802fb6d91ef5f1b078b2486a74639c4bd46afac04c394e88c8c1ae06b4"`
[INFO] [stdout] c6e628802fb6d91ef5f1b078b2486a74639c4bd46afac04c394e88c8c1ae06b4