[INFO] crate file-utils 0.1.5 is already in cache
[INFO] extracting crate file-utils 0.1.5 into work/ex/beta-1.37-6/sources/1.36.0/reg/file-utils/0.1.5
[INFO] extracting crate file-utils 0.1.5 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/file-utils/0.1.5
[INFO] validating manifest of file-utils-0.1.5 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 file-utils-0.1.5 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 file-utils-0.1.5
[INFO] finished frobbing file-utils-0.1.5
[INFO] frobbed toml for file-utils-0.1.5 written to work/ex/beta-1.37-6/sources/1.36.0/reg/file-utils/0.1.5/Cargo.toml
[INFO] started frobbing file-utils-0.1.5
[INFO] finished frobbing file-utils-0.1.5
[INFO] frobbed toml for file-utils-0.1.5 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/file-utils/0.1.5/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 file-utils-0.1.5 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/file-utils/0.1.5:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 70460d68ce164b60a856b58e73516ee5d3a2f422de1830174fe4149a6a043ce4
[INFO] running `"docker" "start" "-a" "70460d68ce164b60a856b58e73516ee5d3a2f422de1830174fe4149a6a043ce4"`
[INFO] [stderr]    Compiling file-utils v0.1.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `"docker" "inspect" "70460d68ce164b60a856b58e73516ee5d3a2f422de1830174fe4149a6a043ce4"`
[INFO] running `"docker" "rm" "-f" "70460d68ce164b60a856b58e73516ee5d3a2f422de1830174fe4149a6a043ce4"`
[INFO] [stdout] 70460d68ce164b60a856b58e73516ee5d3a2f422de1830174fe4149a6a043ce4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/file-utils/0.1.5:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 018c76a26939905341bd0be0fd9bdd0f95b1e61085bcb91104cee2b585c97cac
[INFO] running `"docker" "start" "-a" "018c76a26939905341bd0be0fd9bdd0f95b1e61085bcb91104cee2b585c97cac"`
[INFO] [stderr]    Compiling file-utils v0.1.5 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `file_utils::write::Write`
[INFO] [stderr]  --> tests/read_tests.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use file_utils::write::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `"docker" "inspect" "018c76a26939905341bd0be0fd9bdd0f95b1e61085bcb91104cee2b585c97cac"`
[INFO] running `"docker" "rm" "-f" "018c76a26939905341bd0be0fd9bdd0f95b1e61085bcb91104cee2b585c97cac"`
[INFO] [stdout] 018c76a26939905341bd0be0fd9bdd0f95b1e61085bcb91104cee2b585c97cac
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/file-utils/0.1.5:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 6fb7039de99479295fd4345594bb7e4512fc0cee8946c8d203e78a03aceb55fe
[INFO] running `"docker" "start" "-a" "6fb7039de99479295fd4345594bb7e4512fc0cee8946c8d203e78a03aceb55fe"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/file_utils-cdc3b8ae034e2b06
[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] [stderr]      Running /opt/crater/target/debug/deps/conversions-2df25e16cee96a6a
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test b_to_f ... ok
[INFO] [stdout] test b_to_s1 ... ok
[INFO] [stdout] test b_to_s2 ... ok
[INFO] [stdout] test b_to_s3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/read_tests-bf1fbd6c4c85c307
[INFO] [stderr]    Doc-tests file-utils
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test reading ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "6fb7039de99479295fd4345594bb7e4512fc0cee8946c8d203e78a03aceb55fe"`
[INFO] running `"docker" "rm" "-f" "6fb7039de99479295fd4345594bb7e4512fc0cee8946c8d203e78a03aceb55fe"`
[INFO] [stdout] 6fb7039de99479295fd4345594bb7e4512fc0cee8946c8d203e78a03aceb55fe