[INFO] crate rie 0.1.0 is already in cache
[INFO] extracting crate rie 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/rie/0.1.0
[INFO] extracting crate rie 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rie/0.1.0
[INFO] validating manifest of rie-0.1.0 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 rie-0.1.0 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 rie-0.1.0
[INFO] finished frobbing rie-0.1.0
[INFO] frobbed toml for rie-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/reg/rie/0.1.0/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 rie-0.1.0 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-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] a959cfda97fe38b5610c1d0f4de6832a2cd450bd405aa82af4ceb5bd58d0ba82
[INFO] running `"docker" "start" "-a" "a959cfda97fe38b5610c1d0f4de6832a2cd450bd405aa82af4ceb5bd58d0ba82"`
[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 1.86s
[INFO] running `"docker" "inspect" "a959cfda97fe38b5610c1d0f4de6832a2cd450bd405aa82af4ceb5bd58d0ba82"`
[INFO] running `"docker" "rm" "-f" "a959cfda97fe38b5610c1d0f4de6832a2cd450bd405aa82af4ceb5bd58d0ba82"`
[INFO] [stdout] a959cfda97fe38b5610c1d0f4de6832a2cd450bd405aa82af4ceb5bd58d0ba82
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2518cfc6f8933f88e4f6a3126aa14bd219dc5cd4f8a09138701018a694a0c2bf
[INFO] running `"docker" "start" "-a" "2518cfc6f8933f88e4f6a3126aa14bd219dc5cd4f8a09138701018a694a0c2bf"`
[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 0.73s
[INFO] running `"docker" "inspect" "2518cfc6f8933f88e4f6a3126aa14bd219dc5cd4f8a09138701018a694a0c2bf"`
[INFO] running `"docker" "rm" "-f" "2518cfc6f8933f88e4f6a3126aa14bd219dc5cd4f8a09138701018a694a0c2bf"`
[INFO] [stdout] 2518cfc6f8933f88e4f6a3126aa14bd219dc5cd4f8a09138701018a694a0c2bf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] eb1e63106cac4740e3490edb7e0119c19347d852329e5645f37b0c0d32f41d0e
[INFO] running `"docker" "start" "-a" "eb1e63106cac4740e3490edb7e0119c19347d852329e5645f37b0c0d32f41d0e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rie-046721de34f44732
[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" "eb1e63106cac4740e3490edb7e0119c19347d852329e5645f37b0c0d32f41d0e"`
[INFO] running `"docker" "rm" "-f" "eb1e63106cac4740e3490edb7e0119c19347d852329e5645f37b0c0d32f41d0e"`
[INFO] [stdout] eb1e63106cac4740e3490edb7e0119c19347d852329e5645f37b0c0d32f41d0e