[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-1.37-6/sources/1.36.0/gh/hgn/maparu"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/hgn/maparu'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hgn/maparu" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hgn/maparu"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hgn/maparu 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 hgn/maparu
[INFO] finished frobbing hgn/maparu
[INFO] frobbed toml for hgn/maparu written to work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "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 hgn/maparu 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-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] fa74ef3a381e1fc5b57cf676037dc5b831315a0cb6e181922ebf92680466e655
[INFO] running `"docker" "start" "-a" "fa74ef3a381e1fc5b57cf676037dc5b831315a0cb6e181922ebf92680466e655"`
[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 1.23s
[INFO] running `"docker" "inspect" "fa74ef3a381e1fc5b57cf676037dc5b831315a0cb6e181922ebf92680466e655"`
[INFO] running `"docker" "rm" "-f" "fa74ef3a381e1fc5b57cf676037dc5b831315a0cb6e181922ebf92680466e655"`
[INFO] [stdout] fa74ef3a381e1fc5b57cf676037dc5b831315a0cb6e181922ebf92680466e655
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 367b9ac1cf03e61dd87173c76a352b7e2de20daf81a6fd40b10fcc96539fd446
[INFO] running `"docker" "start" "-a" "367b9ac1cf03e61dd87173c76a352b7e2de20daf81a6fd40b10fcc96539fd446"`
[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 0.40s
[INFO] running `"docker" "inspect" "367b9ac1cf03e61dd87173c76a352b7e2de20daf81a6fd40b10fcc96539fd446"`
[INFO] running `"docker" "rm" "-f" "367b9ac1cf03e61dd87173c76a352b7e2de20daf81a6fd40b10fcc96539fd446"`
[INFO] [stdout] 367b9ac1cf03e61dd87173c76a352b7e2de20daf81a6fd40b10fcc96539fd446
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] a13f07d83b7748e05593fc4513177317a4a5f3cb1d7ded27839ab8f1ce47faba
[INFO] running `"docker" "start" "-a" "a13f07d83b7748e05593fc4513177317a4a5f3cb1d7ded27839ab8f1ce47faba"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/maparu-c674e8e7a5e92476
[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" "a13f07d83b7748e05593fc4513177317a4a5f3cb1d7ded27839ab8f1ce47faba"`
[INFO] running `"docker" "rm" "-f" "a13f07d83b7748e05593fc4513177317a4a5f3cb1d7ded27839ab8f1ce47faba"`
[INFO] [stdout] a13f07d83b7748e05593fc4513177317a4a5f3cb1d7ded27839ab8f1ce47faba