[INFO] updating cached repository michael-robbins/filemerger
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/michael-robbins/filemerger
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/michael-robbins/filemerger" "work/ex/beta-1.38-1/sources/1.37.0/gh/michael-robbins/filemerger"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/michael-robbins/filemerger'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/michael-robbins/filemerger" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/michael-robbins/filemerger"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/michael-robbins/filemerger'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 52522b6d3238a3a5fd28fc8d54241660b6cd8397
[INFO] sha for GitHub repo michael-robbins/filemerger: 52522b6d3238a3a5fd28fc8d54241660b6cd8397
[INFO] validating manifest of michael-robbins/filemerger 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 michael-robbins/filemerger 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 michael-robbins/filemerger
[INFO] finished frobbing michael-robbins/filemerger
[INFO] frobbed toml for michael-robbins/filemerger written to work/ex/beta-1.38-1/sources/1.37.0/gh/michael-robbins/filemerger/Cargo.toml
[INFO] started frobbing michael-robbins/filemerger
[INFO] finished frobbing michael-robbins/filemerger
[INFO] frobbed toml for michael-robbins/filemerger written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/michael-robbins/filemerger/Cargo.toml
[INFO] crate michael-robbins/filemerger 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing michael-robbins/filemerger against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/michael-robbins/filemerger:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] cd1773d584fbb942819eff5479606d6b3ddb74cd54ce5fa0ce43530d9ea6f0e3
[INFO] running `"docker" "start" "-a" "cd1773d584fbb942819eff5479606d6b3ddb74cd54ce5fa0ce43530d9ea6f0e3"`
[INFO] [stderr]    Compiling csv v0.15.0
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling file-merger v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/merge_file.rs:29:32
[INFO] [stderr]    |
[INFO] [stderr] 29 |     lines: Lines<BufReader<Box<Read>>>,
[INFO] [stderr]    |                                ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/merge_file.rs:62:31
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let decompressor: Box<Read> = match file_ext.to_str() {
[INFO] [stderr]    |                               ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.52s
[INFO] running `"docker" "inspect" "cd1773d584fbb942819eff5479606d6b3ddb74cd54ce5fa0ce43530d9ea6f0e3"`
[INFO] running `"docker" "rm" "-f" "cd1773d584fbb942819eff5479606d6b3ddb74cd54ce5fa0ce43530d9ea6f0e3"`
[INFO] [stdout] cd1773d584fbb942819eff5479606d6b3ddb74cd54ce5fa0ce43530d9ea6f0e3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/michael-robbins/filemerger:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] ad60ea93fce4ed49a34c02a9bdfb1c100916f1a5d252066e2905db3833efe178
[INFO] running `"docker" "start" "-a" "ad60ea93fce4ed49a34c02a9bdfb1c100916f1a5d252066e2905db3833efe178"`
[INFO] [stderr]    Compiling file-merger v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/merge_file.rs:29:32
[INFO] [stderr]    |
[INFO] [stderr] 29 |     lines: Lines<BufReader<Box<Read>>>,
[INFO] [stderr]    |                                ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/merge_file.rs:62:31
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let decompressor: Box<Read> = match file_ext.to_str() {
[INFO] [stderr]    |                               ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.30s
[INFO] running `"docker" "inspect" "ad60ea93fce4ed49a34c02a9bdfb1c100916f1a5d252066e2905db3833efe178"`
[INFO] running `"docker" "rm" "-f" "ad60ea93fce4ed49a34c02a9bdfb1c100916f1a5d252066e2905db3833efe178"`
[INFO] [stdout] ad60ea93fce4ed49a34c02a9bdfb1c100916f1a5d252066e2905db3833efe178
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/michael-robbins/filemerger:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 9726a556c14f8f14194d4d4297da15650e4d95cf0f47a97425f36251e7cc0950
[INFO] running `"docker" "start" "-a" "9726a556c14f8f14194d4d4297da15650e4d95cf0f47a97425f36251e7cc0950"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/file_merger-e15fff4ab5d86bf6
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test merge_file::tests::fast_forward_to_end ... ok
[INFO] [stdout] test merge_file::tests::impl_formatting ... ok
[INFO] [stdout] test merge_file::tests::fast_forward ... ok
[INFO] [stdout] test merge_file_manager::tests::retrieve_from_cache ... ok
[INFO] [stdout] test merge_file::tests::impl_iterator ... ok
[INFO] [stdout] test merge_file_manager::tests::retrieve_from_glob ... ok
[INFO] [stdout] test merge_file_manager::tests::new_merge_file ... ok
[INFO] [stdout] test merge_file::tests::new ... ok
[INFO] [stdout] test merge_file_manager::tests::cache_to_vec ... ok
[INFO] [stdout] test merge_file_manager::tests::begin_merge ... ok
[INFO] [stdout] test merge_file_manager::tests::write_cache ... ok
[INFO] [stdout] test merge_file::tests::impl_ordering_and_equality ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9726a556c14f8f14194d4d4297da15650e4d95cf0f47a97425f36251e7cc0950"`
[INFO] running `"docker" "rm" "-f" "9726a556c14f8f14194d4d4297da15650e4d95cf0f47a97425f36251e7cc0950"`
[INFO] [stdout] 9726a556c14f8f14194d4d4297da15650e4d95cf0f47a97425f36251e7cc0950