[INFO] crate rtss 0.6.0 is already in cache
[INFO] extracting crate rtss 0.6.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/rtss/0.6.0
[INFO] extracting crate rtss 0.6.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rtss/0.6.0
[INFO] validating manifest of rtss-0.6.0 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 rtss-0.6.0 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 rtss-0.6.0
[INFO] finished frobbing rtss-0.6.0
[INFO] frobbed toml for rtss-0.6.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/rtss/0.6.0/Cargo.toml
[INFO] started frobbing rtss-0.6.0
[INFO] finished frobbing rtss-0.6.0
[INFO] frobbed toml for rtss-0.6.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rtss/0.6.0/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 rtss-0.6.0 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-2/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/rtss/0.6.0:/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] 5c6eba5dfd61010d0b3b53267a185bf0f439957e5be0472e014dedf9ac09ef31
[INFO] running `"docker" "start" "-a" "5c6eba5dfd61010d0b3b53267a185bf0f439957e5be0472e014dedf9ac09ef31"`
[INFO] [stderr]    Compiling rtss v0.6.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::os::unix::process::CommandExt::before_exec': should be unsafe, use `pre_exec` instead
[INFO] [stderr]   --> src/main.rs:54:11
[INFO] [stderr]    |
[INFO] [stderr] 54 |     child.before_exec(move || {
[INFO] [stderr]    |           ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:130:44
[INFO] [stderr]     |
[INFO] [stderr] 130 |         let out = if let Some((mut master, mut slave)) = tty {
[INFO] [stderr]     |                                            ----^^^^^
[INFO] [stderr]     |                                            |
[INFO] [stderr]     |                                            help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.16s
[INFO] running `"docker" "inspect" "5c6eba5dfd61010d0b3b53267a185bf0f439957e5be0472e014dedf9ac09ef31"`
[INFO] running `"docker" "rm" "-f" "5c6eba5dfd61010d0b3b53267a185bf0f439957e5be0472e014dedf9ac09ef31"`
[INFO] [stdout] 5c6eba5dfd61010d0b3b53267a185bf0f439957e5be0472e014dedf9ac09ef31
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/rtss/0.6.0:/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] f6cdd35432046a7f89f299fa3365ee0d66b7327d5de5eb3ad91c75c86d507c92
[INFO] running `"docker" "start" "-a" "f6cdd35432046a7f89f299fa3365ee0d66b7327d5de5eb3ad91c75c86d507c92"`
[INFO] [stderr]    Compiling rtss v0.6.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::os::unix::process::CommandExt::before_exec': should be unsafe, use `pre_exec` instead
[INFO] [stderr]   --> src/main.rs:54:11
[INFO] [stderr]    |
[INFO] [stderr] 54 |     child.before_exec(move || {
[INFO] [stderr]    |           ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:130:44
[INFO] [stderr]     |
[INFO] [stderr] 130 |         let out = if let Some((mut master, mut slave)) = tty {
[INFO] [stderr]     |                                            ----^^^^^
[INFO] [stderr]     |                                            |
[INFO] [stderr]     |                                            help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `"docker" "inspect" "f6cdd35432046a7f89f299fa3365ee0d66b7327d5de5eb3ad91c75c86d507c92"`
[INFO] running `"docker" "rm" "-f" "f6cdd35432046a7f89f299fa3365ee0d66b7327d5de5eb3ad91c75c86d507c92"`
[INFO] [stdout] f6cdd35432046a7f89f299fa3365ee0d66b7327d5de5eb3ad91c75c86d507c92
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/rtss/0.6.0:/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] 26397408a2b02ceae1158a22309df56cc8889a370a8eb82b32993b508b915b02
[INFO] running `"docker" "start" "-a" "26397408a2b02ceae1158a22309df56cc8889a370a8eb82b32993b508b915b02"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rtss-982f7ccc9698a3c1
[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/rtss-92e4f2836a0efa86
[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 rtss
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - RtssWriter<W>::new (line 108) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "26397408a2b02ceae1158a22309df56cc8889a370a8eb82b32993b508b915b02"`
[INFO] running `"docker" "rm" "-f" "26397408a2b02ceae1158a22309df56cc8889a370a8eb82b32993b508b915b02"`
[INFO] [stdout] 26397408a2b02ceae1158a22309df56cc8889a370a8eb82b32993b508b915b02