[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 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-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 94d5be82de009d0adbb2cf0062d8bcf05896f0d89a99292cfa2bdc56c9e4fbb7
[INFO] running `"docker" "start" "-a" "94d5be82de009d0adbb2cf0062d8bcf05896f0d89a99292cfa2bdc56c9e4fbb7"`
[INFO] [stderr]    Compiling encode_unicode v0.1.3
[INFO] [stderr]    Compiling nix v0.5.1
[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 6.48s
[INFO] running `"docker" "inspect" "94d5be82de009d0adbb2cf0062d8bcf05896f0d89a99292cfa2bdc56c9e4fbb7"`
[INFO] running `"docker" "rm" "-f" "94d5be82de009d0adbb2cf0062d8bcf05896f0d89a99292cfa2bdc56c9e4fbb7"`
[INFO] [stdout] 94d5be82de009d0adbb2cf0062d8bcf05896f0d89a99292cfa2bdc56c9e4fbb7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 00953372a21112fa66e74fdf623b84d4980a74fe68ab645e00f698aca34dbb98
[INFO] running `"docker" "start" "-a" "00953372a21112fa66e74fdf623b84d4980a74fe68ab645e00f698aca34dbb98"`
[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 0.68s
[INFO] running `"docker" "inspect" "00953372a21112fa66e74fdf623b84d4980a74fe68ab645e00f698aca34dbb98"`
[INFO] running `"docker" "rm" "-f" "00953372a21112fa66e74fdf623b84d4980a74fe68ab645e00f698aca34dbb98"`
[INFO] [stdout] 00953372a21112fa66e74fdf623b84d4980a74fe68ab645e00f698aca34dbb98
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 978bef349d6abc3fbf175d6071f0c01bef68056b71fb1c3ba0959643c6d35810
[INFO] running `"docker" "start" "-a" "978bef349d6abc3fbf175d6071f0c01bef68056b71fb1c3ba0959643c6d35810"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rie-5775bed5fc83f7c2
[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" "978bef349d6abc3fbf175d6071f0c01bef68056b71fb1c3ba0959643c6d35810"`
[INFO] running `"docker" "rm" "-f" "978bef349d6abc3fbf175d6071f0c01bef68056b71fb1c3ba0959643c6d35810"`
[INFO] [stdout] 978bef349d6abc3fbf175d6071f0c01bef68056b71fb1c3ba0959643c6d35810