[INFO] updating cached repository mylamour/aRex
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mylamour/aRex
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mylamour/aRex" "work/ex/beta-1.38-1/sources/1.37.0/gh/mylamour/aRex"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mylamour/aRex'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mylamour/aRex" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mylamour/aRex"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mylamour/aRex'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e71ff9e3fe712600d039bdc7a67592647890495d
[INFO] sha for GitHub repo mylamour/aRex: e71ff9e3fe712600d039bdc7a67592647890495d
[INFO] validating manifest of mylamour/aRex 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 mylamour/aRex 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 mylamour/aRex
[INFO] finished frobbing mylamour/aRex
[INFO] frobbed toml for mylamour/aRex written to work/ex/beta-1.38-1/sources/1.37.0/gh/mylamour/aRex/Cargo.toml
[INFO] started frobbing mylamour/aRex
[INFO] finished frobbing mylamour/aRex
[INFO] frobbed toml for mylamour/aRex written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mylamour/aRex/Cargo.toml
[INFO] crate mylamour/aRex already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mylamour/aRex/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[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 mylamour/aRex 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-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mylamour/aRex:/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] 8cce537dc6f8a135eb5fb3510897937a7e288efc602f4fe8f1001996f75ea7ae
[INFO] running `"docker" "start" "-a" "8cce537dc6f8a135eb5fb3510897937a7e288efc602f4fe8f1001996f75ea7ae"`
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling aRex v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `SubCommand`
[INFO] [stderr]  --> src/main.rs:2:22
[INFO] [stderr]   |
[INFO] [stderr] 2 | use clap::{App, Arg, SubCommand};
[INFO] [stderr]   |                      ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `io`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     io,
[INFO] [stderr]   |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `aRex` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `a_rex`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.86s
[INFO] running `"docker" "inspect" "8cce537dc6f8a135eb5fb3510897937a7e288efc602f4fe8f1001996f75ea7ae"`
[INFO] running `"docker" "rm" "-f" "8cce537dc6f8a135eb5fb3510897937a7e288efc602f4fe8f1001996f75ea7ae"`
[INFO] [stdout] 8cce537dc6f8a135eb5fb3510897937a7e288efc602f4fe8f1001996f75ea7ae
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mylamour/aRex:/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] 58db45644ae7816ec98238f1ffbcec14654d3f6941322b4f404fd4368cddd423
[INFO] running `"docker" "start" "-a" "58db45644ae7816ec98238f1ffbcec14654d3f6941322b4f404fd4368cddd423"`
[INFO] [stderr]    Compiling aRex v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `SubCommand`
[INFO] [stderr]  --> src/main.rs:2:22
[INFO] [stderr]   |
[INFO] [stderr] 2 | use clap::{App, Arg, SubCommand};
[INFO] [stderr]   |                      ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `io`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     io,
[INFO] [stderr]   |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `aRex` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `a_rex`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "58db45644ae7816ec98238f1ffbcec14654d3f6941322b4f404fd4368cddd423"`
[INFO] running `"docker" "rm" "-f" "58db45644ae7816ec98238f1ffbcec14654d3f6941322b4f404fd4368cddd423"`
[INFO] [stdout] 58db45644ae7816ec98238f1ffbcec14654d3f6941322b4f404fd4368cddd423
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mylamour/aRex:/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] 3b4b0637b5c219d8af4825bc4bb420177c1a57204b64d665004b5f147afa5d7b
[INFO] running `"docker" "start" "-a" "3b4b0637b5c219d8af4825bc4bb420177c1a57204b64d665004b5f147afa5d7b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/aRex-6362dc74970c5ce4
[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" "3b4b0637b5c219d8af4825bc4bb420177c1a57204b64d665004b5f147afa5d7b"`
[INFO] running `"docker" "rm" "-f" "3b4b0637b5c219d8af4825bc4bb420177c1a57204b64d665004b5f147afa5d7b"`
[INFO] [stdout] 3b4b0637b5c219d8af4825bc4bb420177c1a57204b64d665004b5f147afa5d7b