[INFO] updating cached repository hgn/maparu
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hgn/maparu
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hgn/maparu" "work/ex/beta-1.38-1/sources/1.37.0/gh/hgn/maparu"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/hgn/maparu'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hgn/maparu" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hgn/maparu"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hgn/maparu'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 261b84768ade1385e77f38028b85643fc0d5cfe2
[INFO] sha for GitHub repo hgn/maparu: 261b84768ade1385e77f38028b85643fc0d5cfe2
[INFO] validating manifest of hgn/maparu 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 hgn/maparu 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 hgn/maparu
[INFO] finished frobbing hgn/maparu
[INFO] frobbed toml for hgn/maparu written to work/ex/beta-1.38-1/sources/1.37.0/gh/hgn/maparu/Cargo.toml
[INFO] started frobbing hgn/maparu
[INFO] finished frobbing hgn/maparu
[INFO] frobbed toml for hgn/maparu written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hgn/maparu/Cargo.toml
[INFO] crate hgn/maparu 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing hgn/maparu 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/hgn/maparu:/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] b87b56bf854f0c0c5b951c537d7e0a787e870825d941d757aaa6d0c98403dd8f
[INFO] running `"docker" "start" "-a" "b87b56bf854f0c0c5b951c537d7e0a787e870825d941d757aaa6d0c98403dd8f"`
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling maparu v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:56:17
[INFO] [stderr]    |
[INFO] [stderr] 56 |             Err(e) => panic!("Not a valid port"),
[INFO] [stderr]    |                 ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/main.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |         let ctx = parse_arg_server(matches);
[INFO] [stderr]    |             ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]  --> src/server/mod.rs:7:15
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn server(ctx: SrvCtx) {
[INFO] [stderr]   |               ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.72s
[INFO] running `"docker" "inspect" "b87b56bf854f0c0c5b951c537d7e0a787e870825d941d757aaa6d0c98403dd8f"`
[INFO] running `"docker" "rm" "-f" "b87b56bf854f0c0c5b951c537d7e0a787e870825d941d757aaa6d0c98403dd8f"`
[INFO] [stdout] b87b56bf854f0c0c5b951c537d7e0a787e870825d941d757aaa6d0c98403dd8f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/hgn/maparu:/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] e15b96e00821f1cdad8925d6909a8bbab8b67d90f382d02aa4cac71bdcb2916f
[INFO] running `"docker" "start" "-a" "e15b96e00821f1cdad8925d6909a8bbab8b67d90f382d02aa4cac71bdcb2916f"`
[INFO] [stderr]    Compiling maparu v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:56:17
[INFO] [stderr]    |
[INFO] [stderr] 56 |             Err(e) => panic!("Not a valid port"),
[INFO] [stderr]    |                 ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/main.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |         let ctx = parse_arg_server(matches);
[INFO] [stderr]    |             ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]  --> src/server/mod.rs:7:15
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn server(ctx: SrvCtx) {
[INFO] [stderr]   |               ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "e15b96e00821f1cdad8925d6909a8bbab8b67d90f382d02aa4cac71bdcb2916f"`
[INFO] running `"docker" "rm" "-f" "e15b96e00821f1cdad8925d6909a8bbab8b67d90f382d02aa4cac71bdcb2916f"`
[INFO] [stdout] e15b96e00821f1cdad8925d6909a8bbab8b67d90f382d02aa4cac71bdcb2916f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/hgn/maparu:/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] af04c4d1376d1f471b60c263b9d9cbc4ef95a2e43cc8a845f90494653fa61665
[INFO] running `"docker" "start" "-a" "af04c4d1376d1f471b60c263b9d9cbc4ef95a2e43cc8a845f90494653fa61665"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/maparu-22bcc28ecd3438fe
[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" "af04c4d1376d1f471b60c263b9d9cbc4ef95a2e43cc8a845f90494653fa61665"`
[INFO] running `"docker" "rm" "-f" "af04c4d1376d1f471b60c263b9d9cbc4ef95a2e43cc8a845f90494653fa61665"`
[INFO] [stdout] af04c4d1376d1f471b60c263b9d9cbc4ef95a2e43cc8a845f90494653fa61665