[INFO] crate infer_fs 0.1.6 is already in cache
[INFO] extracting crate infer_fs 0.1.6 into work/ex/beta-1.37-6/sources/1.36.0/reg/infer_fs/0.1.6
[INFO] extracting crate infer_fs 0.1.6 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/infer_fs/0.1.6
[INFO] validating manifest of infer_fs-0.1.6 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 infer_fs-0.1.6 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 infer_fs-0.1.6
[INFO] finished frobbing infer_fs-0.1.6
[INFO] frobbed toml for infer_fs-0.1.6 written to work/ex/beta-1.37-6/sources/1.36.0/reg/infer_fs/0.1.6/Cargo.toml
[INFO] started frobbing infer_fs-0.1.6
[INFO] finished frobbing infer_fs-0.1.6
[INFO] frobbed toml for infer_fs-0.1.6 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/infer_fs/0.1.6/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] [stderr]     Blocking waiting for file lock on package cache lock
[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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing infer_fs-0.1.6 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-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/infer_fs/0.1.6:/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] 3df9a9e821c5627831b7e43295ceaa498fe711f12509ec7d85702304961ee8a5
[INFO] running `"docker" "start" "-a" "3df9a9e821c5627831b7e43295ceaa498fe711f12509ec7d85702304961ee8a5"`
[INFO] [stderr]    Compiling infer_fs v0.1.6 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/lib.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{Read, BufRead, BufReader, Error};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "3df9a9e821c5627831b7e43295ceaa498fe711f12509ec7d85702304961ee8a5"`
[INFO] running `"docker" "rm" "-f" "3df9a9e821c5627831b7e43295ceaa498fe711f12509ec7d85702304961ee8a5"`
[INFO] [stdout] 3df9a9e821c5627831b7e43295ceaa498fe711f12509ec7d85702304961ee8a5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/infer_fs/0.1.6:/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] 1579fcff038e26cf5821362dee670cbf0577c35cabd920ed2bac19284f87ed50
[INFO] running `"docker" "start" "-a" "1579fcff038e26cf5821362dee670cbf0577c35cabd920ed2bac19284f87ed50"`
[INFO] [stderr]    Compiling infer_fs v0.1.6 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/lib.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{Read, BufRead, BufReader, Error};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `"docker" "inspect" "1579fcff038e26cf5821362dee670cbf0577c35cabd920ed2bac19284f87ed50"`
[INFO] running `"docker" "rm" "-f" "1579fcff038e26cf5821362dee670cbf0577c35cabd920ed2bac19284f87ed50"`
[INFO] [stdout] 1579fcff038e26cf5821362dee670cbf0577c35cabd920ed2bac19284f87ed50
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/infer_fs/0.1.6:/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] 310778f5187a6c15398e727425e32f6b552d6c23e68f50738d46aa8e3c5729a7
[INFO] running `"docker" "start" "-a" "310778f5187a6c15398e727425e32f6b552d6c23e68f50738d46aa8e3c5729a7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/infer_fs-37416c755bee3c55
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::test_guess_time ... ok
[INFO] [stdout] test tests::test_split_delim_at_end ... ok
[INFO] [stdout] test tests::test_split_comma ... ok
[INFO] [stdout] test tests::test_split_semicolon ... ok
[INFO] [stdout] test tests::test_split_semicolon_len ... ok
[INFO] [stdout] test tests::test_split_delim_at_end_len ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests infer_fs
[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" "310778f5187a6c15398e727425e32f6b552d6c23e68f50738d46aa8e3c5729a7"`
[INFO] running `"docker" "rm" "-f" "310778f5187a6c15398e727425e32f6b552d6c23e68f50738d46aa8e3c5729a7"`
[INFO] [stdout] 310778f5187a6c15398e727425e32f6b552d6c23e68f50738d46aa8e3c5729a7