[INFO] updating cached repository mohamedahamada/rusting
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mohamedahamada/rusting
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mohamedahamada/rusting" "work/ex/beta-1.37-6/sources/1.36.0/gh/mohamedahamada/rusting"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/mohamedahamada/rusting'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mohamedahamada/rusting" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mohamedahamada/rusting"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mohamedahamada/rusting'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2a19ad7432847fdf5e61cdad89568dabd1f32dd1
[INFO] sha for GitHub repo mohamedahamada/rusting: 2a19ad7432847fdf5e61cdad89568dabd1f32dd1
[INFO] validating manifest of mohamedahamada/rusting 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 mohamedahamada/rusting 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 mohamedahamada/rusting
[INFO] finished frobbing mohamedahamada/rusting
[INFO] frobbed toml for mohamedahamada/rusting written to work/ex/beta-1.37-6/sources/1.36.0/gh/mohamedahamada/rusting/Cargo.toml
[INFO] started frobbing mohamedahamada/rusting
[INFO] finished frobbing mohamedahamada/rusting
[INFO] frobbed toml for mohamedahamada/rusting written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mohamedahamada/rusting/Cargo.toml
[INFO] crate mohamedahamada/rusting already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mohamedahamada/rusting/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[INFO] the lockfile is outdated, regenerating it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" "+1.36.0" "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 mohamedahamada/rusting 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-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mohamedahamada/rusting:/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] 1175d7864400c568fd5fe4d5d6d553c0ec27550a753e854fb85143ab4b11286d
[INFO] running `"docker" "start" "-a" "1175d7864400c568fd5fe4d5d6d553c0ec27550a753e854fb85143ab4b11286d"`
[INFO] [stderr]    Compiling rusting v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::cmp::Ordering`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::cmp::Ordering;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `"docker" "inspect" "1175d7864400c568fd5fe4d5d6d553c0ec27550a753e854fb85143ab4b11286d"`
[INFO] running `"docker" "rm" "-f" "1175d7864400c568fd5fe4d5d6d553c0ec27550a753e854fb85143ab4b11286d"`
[INFO] [stdout] 1175d7864400c568fd5fe4d5d6d553c0ec27550a753e854fb85143ab4b11286d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mohamedahamada/rusting:/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] 2680e977029ed0c1747ab0d44507ff8611c80f09ae20a2c8d18f526f3c2a5da9
[INFO] running `"docker" "start" "-a" "2680e977029ed0c1747ab0d44507ff8611c80f09ae20a2c8d18f526f3c2a5da9"`
[INFO] [stderr]    Compiling rusting v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::cmp::Ordering`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::cmp::Ordering;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "2680e977029ed0c1747ab0d44507ff8611c80f09ae20a2c8d18f526f3c2a5da9"`
[INFO] running `"docker" "rm" "-f" "2680e977029ed0c1747ab0d44507ff8611c80f09ae20a2c8d18f526f3c2a5da9"`
[INFO] [stdout] 2680e977029ed0c1747ab0d44507ff8611c80f09ae20a2c8d18f526f3c2a5da9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mohamedahamada/rusting:/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] 776b0b3cb2d94e1fd9a145985c735b36e6f772c6768e2e2ee6c732f35cb75c94
[INFO] running `"docker" "start" "-a" "776b0b3cb2d94e1fd9a145985c735b36e6f772c6768e2e2ee6c732f35cb75c94"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rusting-75c1d3cdbd229ef5
[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" "776b0b3cb2d94e1fd9a145985c735b36e6f772c6768e2e2ee6c732f35cb75c94"`
[INFO] running `"docker" "rm" "-f" "776b0b3cb2d94e1fd9a145985c735b36e6f772c6768e2e2ee6c732f35cb75c94"`
[INFO] [stdout] 776b0b3cb2d94e1fd9a145985c735b36e6f772c6768e2e2ee6c732f35cb75c94