[INFO] crate pty 0.2.2 is already in cache
[INFO] extracting crate pty 0.2.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/pty/0.2.2
[INFO] extracting crate pty 0.2.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/pty/0.2.2
[INFO] validating manifest of pty-0.2.2 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 pty-0.2.2 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 pty-0.2.2
[INFO] finished frobbing pty-0.2.2
[INFO] frobbed toml for pty-0.2.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/pty/0.2.2/Cargo.toml
[INFO] started frobbing pty-0.2.2
[INFO] finished frobbing pty-0.2.2
[INFO] frobbed toml for pty-0.2.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/pty/0.2.2/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] [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 pty-0.2.2 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/pty/0.2.2:/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] f30bdb0ce266ac8fb74e15c7365cb4530e20522599ee90ef5c75cf946c5a4603
[INFO] running `"docker" "start" "-a" "f30bdb0ce266ac8fb74e15c7365cb4530e20522599ee90ef5c75cf946c5a4603"`
[INFO] [stderr]    Compiling errno v0.1.8
[INFO] [stderr]    Compiling pty v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] warning: type alias is never used: `Result`
[INFO] [stderr]  --> src/descriptor/err.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub type Result<T> = ::std::result::Result<T, DescriptorError>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `"docker" "inspect" "f30bdb0ce266ac8fb74e15c7365cb4530e20522599ee90ef5c75cf946c5a4603"`
[INFO] running `"docker" "rm" "-f" "f30bdb0ce266ac8fb74e15c7365cb4530e20522599ee90ef5c75cf946c5a4603"`
[INFO] [stdout] f30bdb0ce266ac8fb74e15c7365cb4530e20522599ee90ef5c75cf946c5a4603
[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/pty/0.2.2:/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] 1308c9bdbf020a851f9dcda982b2b62cafcc7f88a901445f645f013953072270
[INFO] running `"docker" "start" "-a" "1308c9bdbf020a851f9dcda982b2b62cafcc7f88a901445f645f013953072270"`
[INFO] [stderr]    Compiling pty v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] warning: type alias is never used: `Result`
[INFO] [stderr]  --> src/descriptor/err.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub type Result<T> = ::std::result::Result<T, DescriptorError>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.20s
[INFO] running `"docker" "inspect" "1308c9bdbf020a851f9dcda982b2b62cafcc7f88a901445f645f013953072270"`
[INFO] running `"docker" "rm" "-f" "1308c9bdbf020a851f9dcda982b2b62cafcc7f88a901445f645f013953072270"`
[INFO] [stdout] 1308c9bdbf020a851f9dcda982b2b62cafcc7f88a901445f645f013953072270
[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/pty/0.2.2:/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] f5216b7b7fc8c5d82d97b15e45840cff739826db47bf832fc4bfd29332bae226
[INFO] running `"docker" "start" "-a" "f5216b7b7fc8c5d82d97b15e45840cff739826db47bf832fc4bfd29332bae226"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pty-7740b5c69cec3d6f
[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/it_can_read_write-2e560e1ec7885c3b
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test it_can_read_write ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/it_fork_with_new_pty-006c7ecdc7c172ac
[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 1 test
[INFO] [stdout] test it_fork_with_new_pty ... 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/lib-9658f924860931e0
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test it_can_read_write::it_can_read_write ... ok
[INFO] [stdout] test it_fork_with_new_pty::it_fork_with_new_pty ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pty
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs -  (line 35) ... ok
[INFO] [stdout] test src/lib.rs -  (line 45) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f5216b7b7fc8c5d82d97b15e45840cff739826db47bf832fc4bfd29332bae226"`
[INFO] running `"docker" "rm" "-f" "f5216b7b7fc8c5d82d97b15e45840cff739826db47bf832fc4bfd29332bae226"`
[INFO] [stdout] f5216b7b7fc8c5d82d97b15e45840cff739826db47bf832fc4bfd29332bae226