[INFO] crate rie 0.1.0 is already in cache
[INFO] extracting crate rie 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/rie/0.1.0
[INFO] extracting crate rie 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rie/0.1.0
[INFO] validating manifest of rie-0.1.0 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 rie-0.1.0 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 rie-0.1.0
[INFO] finished frobbing rie-0.1.0
[INFO] frobbed toml for rie-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rie/0.1.0/Cargo.toml
[INFO] started frobbing rie-0.1.0
[INFO] finished frobbing rie-0.1.0
[INFO] frobbed toml for rie-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rie/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 rie-0.1.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rie/0.1.0:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 68f3defe460b02f93c1b3cf99222127bd8ac3942a6703b1e446bc4056c9b5a93
[INFO] running `"docker" "start" "-a" "68f3defe460b02f93c1b3cf99222127bd8ac3942a6703b1e446bc4056c9b5a93"`
[INFO] [stderr]    Compiling encode_unicode v0.1.3
[INFO] [stderr]    Compiling rustyline v1.0.0
[INFO] [stderr]    Compiling rie v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/main.rs:94:16
[INFO] [stderr]    |
[INFO] [stderr] 94 |             Ok((String::from_utf8(output.stdout).unwrap()))
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.71s
[INFO] running `"docker" "inspect" "68f3defe460b02f93c1b3cf99222127bd8ac3942a6703b1e446bc4056c9b5a93"`
[INFO] running `"docker" "rm" "-f" "68f3defe460b02f93c1b3cf99222127bd8ac3942a6703b1e446bc4056c9b5a93"`
[INFO] [stdout] 68f3defe460b02f93c1b3cf99222127bd8ac3942a6703b1e446bc4056c9b5a93
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rie/0.1.0:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] e0a3be5f7d45268df94682074ffd45c0920aec77999329937944e5374d9cfc58
[INFO] running `"docker" "start" "-a" "e0a3be5f7d45268df94682074ffd45c0920aec77999329937944e5374d9cfc58"`
[INFO] [stderr]    Compiling rie v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/main.rs:94:16
[INFO] [stderr]    |
[INFO] [stderr] 94 |             Ok((String::from_utf8(output.stdout).unwrap()))
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "e0a3be5f7d45268df94682074ffd45c0920aec77999329937944e5374d9cfc58"`
[INFO] running `"docker" "rm" "-f" "e0a3be5f7d45268df94682074ffd45c0920aec77999329937944e5374d9cfc58"`
[INFO] [stdout] e0a3be5f7d45268df94682074ffd45c0920aec77999329937944e5374d9cfc58
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rie/0.1.0:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] fa10fa7c7ccf18bff498e0d86934fbfb6be56771b503f4acfb4b2f4b68266e24
[INFO] running `"docker" "start" "-a" "fa10fa7c7ccf18bff498e0d86934fbfb6be56771b503f4acfb4b2f4b68266e24"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rie-259acbe5c0ba4fbb
[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" "fa10fa7c7ccf18bff498e0d86934fbfb6be56771b503f4acfb4b2f4b68266e24"`
[INFO] running `"docker" "rm" "-f" "fa10fa7c7ccf18bff498e0d86934fbfb6be56771b503f4acfb4b2f4b68266e24"`
[INFO] [stdout] fa10fa7c7ccf18bff498e0d86934fbfb6be56771b503f4acfb4b2f4b68266e24