[INFO] crate argot 0.2.2 is already in cache
[INFO] extracting crate argot 0.2.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/argot/0.2.2
[INFO] extracting crate argot 0.2.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/argot/0.2.2
[INFO] validating manifest of argot-0.2.2 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 argot-0.2.2 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 argot-0.2.2
[INFO] finished frobbing argot-0.2.2
[INFO] frobbed toml for argot-0.2.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/argot/0.2.2/Cargo.toml
[INFO] started frobbing argot-0.2.2
[INFO] finished frobbing argot-0.2.2
[INFO] frobbed toml for argot-0.2.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/argot/0.2.2/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 argot-0.2.2 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/argot/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 821bc3a1c25ef82342fe4c91fa81161e6a343bd473acfa91cb1886dff721ec95
[INFO] running `"docker" "start" "-a" "821bc3a1c25ef82342fe4c91fa81161e6a343bd473acfa91cb1886dff721ec95"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling simple-error v0.1.12
[INFO] [stderr]    Compiling indicatif v0.10.2
[INFO] [stderr]    Compiling human-panic v1.0.1
[INFO] [stderr]    Compiling argot v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser.rs:157:29
[INFO] [stderr]     |
[INFO] [stderr] 157 |                         let mut inner_content = Vec::new();
[INFO] [stderr]     |                             ----^^^^^^^^^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.80s
[INFO] running `"docker" "inspect" "821bc3a1c25ef82342fe4c91fa81161e6a343bd473acfa91cb1886dff721ec95"`
[INFO] running `"docker" "rm" "-f" "821bc3a1c25ef82342fe4c91fa81161e6a343bd473acfa91cb1886dff721ec95"`
[INFO] [stdout] 821bc3a1c25ef82342fe4c91fa81161e6a343bd473acfa91cb1886dff721ec95
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/argot/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9eb36b56f65e532cfc6299636e723285b365e30815e0e2f823dd5f59b3411809
[INFO] running `"docker" "start" "-a" "9eb36b56f65e532cfc6299636e723285b365e30815e0e2f823dd5f59b3411809"`
[INFO] [stderr]    Compiling argot v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser.rs:157:29
[INFO] [stderr]     |
[INFO] [stderr] 157 |                         let mut inner_content = Vec::new();
[INFO] [stderr]     |                             ----^^^^^^^^^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `"docker" "inspect" "9eb36b56f65e532cfc6299636e723285b365e30815e0e2f823dd5f59b3411809"`
[INFO] running `"docker" "rm" "-f" "9eb36b56f65e532cfc6299636e723285b365e30815e0e2f823dd5f59b3411809"`
[INFO] [stdout] 9eb36b56f65e532cfc6299636e723285b365e30815e0e2f823dd5f59b3411809
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/argot/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 7ec277af2c1a19049246e875486ab96a9ba1a9b7ace526d23c6c818ad812ca54
[INFO] running `"docker" "start" "-a" "7ec277af2c1a19049246e875486ab96a9ba1a9b7ace526d23c6c818ad812ca54"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/argot-6d8abf40c778aac2
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test rendering::rendering::test::render ... ok
[INFO] [stdout] test parser::test::test_get_comment_styles ... ok
[INFO] [stdout] test rendering::rendering::test::new ... ok
[INFO] [stdout] test parser::test::test_remove_comment_style ... ok
[INFO] [stdout] test parser::test::test_get_extension_from_filename ... ok
[INFO] [stdout] test parser::test::test_extract_types ... 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" "7ec277af2c1a19049246e875486ab96a9ba1a9b7ace526d23c6c818ad812ca54"`
[INFO] running `"docker" "rm" "-f" "7ec277af2c1a19049246e875486ab96a9ba1a9b7ace526d23c6c818ad812ca54"`
[INFO] [stdout] 7ec277af2c1a19049246e875486ab96a9ba1a9b7ace526d23c6c818ad812ca54