[INFO] updating cached repository https://github.com/jo/my-shiny-heroku-rust-test-app
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b7ed6765382f144860a450f0432107b0387c0610
[INFO] testing jo/my-shiny-heroku-rust-test-app against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjo%2Fmy-shiny-heroku-rust-test-app" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jo/my-shiny-heroku-rust-test-app on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jo/my-shiny-heroku-rust-test-app
[INFO] finished tweaking git repo https://github.com/jo/my-shiny-heroku-rust-test-app
[INFO] tweaked toml for git repo https://github.com/jo/my-shiny-heroku-rust-test-app written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/jo/my-shiny-heroku-rust-test-app already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 8bf5ff20be5a23e720f34da130d29c6bc1b0f6db5cc2f19954371c7616c9cc4c
[INFO] running `"docker" "start" "-a" "8bf5ff20be5a23e720f34da130d29c6bc1b0f6db5cc2f19954371c7616c9cc4c"`
[INFO] [stderr]    Compiling rand v0.6.3
[INFO] [stderr]    Compiling rand_os v0.1.0
[INFO] [stderr]    Compiling num_cpus v1.9.0
[INFO] [stderr]    Compiling time v0.1.41
[INFO] [stderr]    Compiling hyper v0.10.15
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.6
[INFO] [stderr]    Compiling iron v0.6.0
[INFO] [stderr]    Compiling my-shiny-heroku-rust-test-app v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | /     Iron::new(|_: &mut Request| Ok(Response::with((status::Ok, "Hello world!"))))
[INFO] [stderr] 11 | |         .http(format!("0.0.0.0:{}", port));
[INFO] [stderr]    | |___________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.20s
[INFO] running `"docker" "inspect" "8bf5ff20be5a23e720f34da130d29c6bc1b0f6db5cc2f19954371c7616c9cc4c"`
[INFO] running `"docker" "rm" "-f" "8bf5ff20be5a23e720f34da130d29c6bc1b0f6db5cc2f19954371c7616c9cc4c"`
[INFO] [stdout] 8bf5ff20be5a23e720f34da130d29c6bc1b0f6db5cc2f19954371c7616c9cc4c
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] da5b4472a521dc169126dff03f2c4fc4937a5096e0ed240b880c3d11e7314257
[INFO] running `"docker" "start" "-a" "da5b4472a521dc169126dff03f2c4fc4937a5096e0ed240b880c3d11e7314257"`
[INFO] [stderr]    Compiling my-shiny-heroku-rust-test-app v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | /     Iron::new(|_: &mut Request| Ok(Response::with((status::Ok, "Hello world!"))))
[INFO] [stderr] 11 | |         .http(format!("0.0.0.0:{}", port));
[INFO] [stderr]    | |___________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "da5b4472a521dc169126dff03f2c4fc4937a5096e0ed240b880c3d11e7314257"`
[INFO] running `"docker" "rm" "-f" "da5b4472a521dc169126dff03f2c4fc4937a5096e0ed240b880c3d11e7314257"`
[INFO] [stdout] da5b4472a521dc169126dff03f2c4fc4937a5096e0ed240b880c3d11e7314257
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 13eeb247442d4a7975dd6f70a302e0ccb3dc9d18026e0164dec97d77c147a910
[INFO] running `"docker" "start" "-a" "13eeb247442d4a7975dd6f70a302e0ccb3dc9d18026e0164dec97d77c147a910"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/my_shiny_heroku_rust_test_app-69098ca80b7f1907
[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" "13eeb247442d4a7975dd6f70a302e0ccb3dc9d18026e0164dec97d77c147a910"`
[INFO] running `"docker" "rm" "-f" "13eeb247442d4a7975dd6f70a302e0ccb3dc9d18026e0164dec97d77c147a910"`
[INFO] [stdout] 13eeb247442d4a7975dd6f70a302e0ccb3dc9d18026e0164dec97d77c147a910