[INFO] crate io-providers 0.2.0-beta.3 is already in cache
[INFO] extracting crate io-providers 0.2.0-beta.3 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/io-providers/0.2.0-beta.3
[INFO] extracting crate io-providers 0.2.0-beta.3 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/io-providers/0.2.0-beta.3
[INFO] validating manifest of io-providers-0.2.0-beta.3 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of io-providers-0.2.0-beta.3 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing io-providers-0.2.0-beta.3
[INFO] finished frobbing io-providers-0.2.0-beta.3
[INFO] frobbed toml for io-providers-0.2.0-beta.3 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/io-providers/0.2.0-beta.3/Cargo.toml
[INFO] started frobbing io-providers-0.2.0-beta.3
[INFO] finished frobbing io-providers-0.2.0-beta.3
[INFO] frobbed toml for io-providers-0.2.0-beta.3 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/io-providers/0.2.0-beta.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing io-providers-0.2.0-beta.3 against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/io-providers/0.2.0-beta.3:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 40681591ea79a9335f7b00666a557b308cf5e86199226ba78e04d82583f7c058
[INFO] running `"docker" "start" "-a" "40681591ea79a9335f7b00666a557b308cf5e86199226ba78e04d82583f7c058"`
[INFO] [stderr]    Compiling io-providers v0.2.0-beta.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `"docker" "inspect" "40681591ea79a9335f7b00666a557b308cf5e86199226ba78e04d82583f7c058"`
[INFO] running `"docker" "rm" "-f" "40681591ea79a9335f7b00666a557b308cf5e86199226ba78e04d82583f7c058"`
[INFO] [stdout] 40681591ea79a9335f7b00666a557b308cf5e86199226ba78e04d82583f7c058
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/io-providers/0.2.0-beta.3:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4e2fee8a4a9a502c348537f9655a8968d8248837c36cd4b22d46ee31f427ade9
[INFO] running `"docker" "start" "-a" "4e2fee8a4a9a502c348537f9655a8968d8248837c36cd4b22d46ee31f427ade9"`
[INFO] [stderr]    Compiling io-providers v0.2.0-beta.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.33s
[INFO] running `"docker" "inspect" "4e2fee8a4a9a502c348537f9655a8968d8248837c36cd4b22d46ee31f427ade9"`
[INFO] running `"docker" "rm" "-f" "4e2fee8a4a9a502c348537f9655a8968d8248837c36cd4b22d46ee31f427ade9"`
[INFO] [stdout] 4e2fee8a4a9a502c348537f9655a8968d8248837c36cd4b22d46ee31f427ade9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/io-providers/0.2.0-beta.3:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 254dd8ed956ea24a70621b4e96dac7c8893140d1d5aff357046c034e664e5e72
[INFO] running `"docker" "start" "-a" "254dd8ed956ea24a70621b4e96dac7c8893140d1d5aff357046c034e664e5e72"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/io_providers-a8def86d9342eab0
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stdout] test env::simulated::tests::current_exe__set_and_get__success ... ok
[INFO] [stdout] test env::simulated::tests::current_dir__set_and_get__success ... ok
[INFO] [stdout] test env::simulated::tests::args__set_and_get__success ... ok
[INFO] [stdout] test env::simulated::tests::home_dir__set_and_get__success ... ok
[INFO] [stdout] test env::simulated::tests::args_os__set_and_get__success ... ok
[INFO] [stdout] test env::simulated::tests::temp_dir__set_and_get__success ... ok
[INFO] [stdout] test env::simulated::tests::home_dir__called_before_set__returns_none ... ok
[INFO] [stdout] test env::simulated::tests::var__get_defined_var__returns_value ... ok
[INFO] [stdout] test env::simulated::tests::var_os__get_defined_var__returns_value ... ok
[INFO] [stdout] test env::simulated::tests::var__get_undefined_var__returns_not_present ... ok
[INFO] [stdout] test env::simulated::tests::vars__multiple_vars_defined__returns_all_vars ... ok
[INFO] [stdout] test env::simulated::tests::vars_os__multiple_vars_defined__returns_all_vars ... ok
[INFO] [stdout] test env::simulated::tests::var_os__get_undefined_var__returns_none ... ok
[INFO] [stdout] test env::simulated::tests::remove_var__value_previously_defined__value_is_removed ... ok
[INFO] [stdout] test fs::temp::tests::change_path__relative_path_to_file_in_current_dir ... ok
[INFO] [stdout] test fs::temp::tests::change_path__relative_path_to_nested_file ... ok
[INFO] [stdout] test std_streams::simulated::tests::chunk_pipe__no_writes__reads_successfully ... ok
[INFO] [stdout] test fs::temp::tests::change_path__absolute_path_to_file_in_root ... ok
[INFO] [stdout] test fs::temp::tests::change_path__absolute_path_to_nested_file ... ok
[INFO] [stdout] test std_streams::simulated::tests::chunk_pipe__one_write__reads_successfully ... ok
[INFO] [stdout] test std_streams::simulated::tests::provider__empty_input__length_zero_read ... ok
[INFO] [stdout] test std_streams::simulated::tests::chunk_pipe__two_writes__reads_successfully ... ok
[INFO] [stdout] test std_streams::simulated::tests::provider__write_and_read_input__success ... ok
[INFO] [stdout] test std_streams::simulated::tests::provider__write_read_error__success ... ok
[INFO] [stdout] test std_streams::simulated::tests::provider__write_read_output__success ... ok
[INFO] [stdout] test env::simulated::tests::args__called_before_set__panics ... ok
[INFO] [stdout] test std_streams::simulated::tests::provider__two_input_writes__two_reads ... ok
[INFO] [stdout] test env::simulated::tests::current_dir__called_before_set__panics ... ok
[INFO] [stdout] test env::simulated::tests::current_exe__called_before_set__panics ... ok
[INFO] [stdout] test env::simulated::tests::args_os__called_before_set__panics ... ok
[INFO] [stdout] test env::simulated::tests::temp_dir__called_before_set__panics ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 31 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/temp_fs-74687ed6b17bd315
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test temp_fs__uses_system_temp_dir ... ok
[INFO] [stdout] test temp_fs__file_created__exists_in_temp_dir ... ok
[INFO] [stdout] test temp_fs__dropped_from_scope__cleans_up_temp_dir ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests io-providers
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/std_streams/simulated.rs - std_streams::simulated::SimulatedStdStreams::read_output (line 61) ... ok
[INFO] [stdout] test src/std_streams/mod.rs - std_streams (line 5) ... ok
[INFO] [stdout] test src/std_streams/simulated.rs - std_streams::simulated::SimulatedStdStreams::write_input (line 44) ... ok
[INFO] [stdout] test src/std_streams/simulated.rs - std_streams::simulated::SimulatedStdStreams::read_error (line 78) ... ok
[INFO] [stdout] test src/lib.rs -  (line 25) ... ok
[INFO] [stdout] test src/env/mod.rs - env::Env (line 21) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "254dd8ed956ea24a70621b4e96dac7c8893140d1d5aff357046c034e664e5e72"`
[INFO] running `"docker" "rm" "-f" "254dd8ed956ea24a70621b4e96dac7c8893140d1d5aff357046c034e664e5e72"`
[INFO] [stdout] 254dd8ed956ea24a70621b4e96dac7c8893140d1d5aff357046c034e664e5e72