[INFO] updating cached repository rrybarczyk/strs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rrybarczyk/strs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rrybarczyk/strs" "work/ex/beta-1.38-1/sources/1.37.0/gh/rrybarczyk/strs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/rrybarczyk/strs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rrybarczyk/strs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rrybarczyk/strs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rrybarczyk/strs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5ffd3ca1b626108284478c1862be970faf33b98c
[INFO] sha for GitHub repo rrybarczyk/strs: 5ffd3ca1b626108284478c1862be970faf33b98c
[INFO] validating manifest of rrybarczyk/strs 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 rrybarczyk/strs 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 rrybarczyk/strs
[INFO] finished frobbing rrybarczyk/strs
[INFO] frobbed toml for rrybarczyk/strs written to work/ex/beta-1.38-1/sources/1.37.0/gh/rrybarczyk/strs/Cargo.toml
[INFO] started frobbing rrybarczyk/strs
[INFO] finished frobbing rrybarczyk/strs
[INFO] frobbed toml for rrybarczyk/strs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rrybarczyk/strs/Cargo.toml
[INFO] crate rrybarczyk/strs 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 rrybarczyk/strs 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-4/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/rrybarczyk/strs:/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] 538f6c37faec5dd8c2637d4f162eaaf1c90d62482f1ede58f0922adcfe9ac2da
[INFO] running `"docker" "start" "-a" "538f6c37faec5dd8c2637d4f162eaaf1c90d62482f1ede58f0922adcfe9ac2da"`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]    Compiling structopt v0.2.14
[INFO] [stderr]    Compiling strs v0.1.3 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/run.rs:64:74
[INFO] [stderr]    |
[INFO] [stderr] 64 | fn search_strs(number:usize, offset: &Option<OffsetFormat>, handle: &mut Read) -> Result<(), Error> {
[INFO] [stderr]    |                                                                          ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.35s
[INFO] running `"docker" "inspect" "538f6c37faec5dd8c2637d4f162eaaf1c90d62482f1ede58f0922adcfe9ac2da"`
[INFO] running `"docker" "rm" "-f" "538f6c37faec5dd8c2637d4f162eaaf1c90d62482f1ede58f0922adcfe9ac2da"`
[INFO] [stdout] 538f6c37faec5dd8c2637d4f162eaaf1c90d62482f1ede58f0922adcfe9ac2da
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/rrybarczyk/strs:/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] 7f7578b8c0aa1af700e4619027130c9391326f5f0f04ab366dcc7294110775d5
[INFO] running `"docker" "start" "-a" "7f7578b8c0aa1af700e4619027130c9391326f5f0f04ab366dcc7294110775d5"`
[INFO] [stderr]    Compiling strs v0.1.3 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/run.rs:64:74
[INFO] [stderr]    |
[INFO] [stderr] 64 | fn search_strs(number:usize, offset: &Option<OffsetFormat>, handle: &mut Read) -> Result<(), Error> {
[INFO] [stderr]    |                                                                          ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `"docker" "inspect" "7f7578b8c0aa1af700e4619027130c9391326f5f0f04ab366dcc7294110775d5"`
[INFO] running `"docker" "rm" "-f" "7f7578b8c0aa1af700e4619027130c9391326f5f0f04ab366dcc7294110775d5"`
[INFO] [stdout] 7f7578b8c0aa1af700e4619027130c9391326f5f0f04ab366dcc7294110775d5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/rrybarczyk/strs:/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] f22437289c11cb73fbf6b89042f63fce08e93efa5ac7204f82cddfe1f8927335
[INFO] running `"docker" "start" "-a" "f22437289c11cb73fbf6b89042f63fce08e93efa5ac7204f82cddfe1f8927335"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/strs-328aec166a0fdd41
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test run::tests::app_error_from_read_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/strs-25a126c2e0d54455
[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]    Doc-tests strs
[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" "f22437289c11cb73fbf6b89042f63fce08e93efa5ac7204f82cddfe1f8927335"`
[INFO] running `"docker" "rm" "-f" "f22437289c11cb73fbf6b89042f63fce08e93efa5ac7204f82cddfe1f8927335"`
[INFO] [stdout] f22437289c11cb73fbf6b89042f63fce08e93efa5ac7204f82cddfe1f8927335