[INFO] updating cached repository https://github.com/zx9w/old-rust-homework
[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] d70dc616dbbf236976426810837a9576c5eaa1be
[INFO] testing zx9w/old-rust-homework against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzx9w%2Fold-rust-homework" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zx9w/old-rust-homework on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/zx9w/old-rust-homework
[INFO] finished tweaking git repo https://github.com/zx9w/old-rust-homework
[INFO] tweaked toml for git repo https://github.com/zx9w/old-rust-homework written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/zx9w/old-rust-homework already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 1c85972445d7ad9ece029f7da2f1b0d88ad1377cd741923f6b66c2b22c03f90f
[INFO] running `"docker" "start" "-a" "1c85972445d7ad9ece029f7da2f1b0d88ad1377cd741923f6b66c2b22c03f90f"`
[INFO] [stderr]    Compiling vika5 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `h1`
[INFO] [stderr]  --> src/main.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let h1 = vec![195, 204, 395, 409, 595, 618,795,836,995,1072,1195,1344,1395];
[INFO] [stderr]   |         ^^ help: consider prefixing with an underscore: `_h1`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `x` is never read
[INFO] [stderr]   --> src/main.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut x: f64 = 0.0;
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `generate_hotels`
[INFO] [stderr]   --> src/main.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn generate_hotels(n: usize) -> Vec<i64> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.86s
[INFO] running `"docker" "inspect" "1c85972445d7ad9ece029f7da2f1b0d88ad1377cd741923f6b66c2b22c03f90f"`
[INFO] running `"docker" "rm" "-f" "1c85972445d7ad9ece029f7da2f1b0d88ad1377cd741923f6b66c2b22c03f90f"`
[INFO] [stdout] 1c85972445d7ad9ece029f7da2f1b0d88ad1377cd741923f6b66c2b22c03f90f
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 04b20412e5255e7357a51ee04a857fd51c0d08b89c5997d8171d9e3347be19da
[INFO] running `"docker" "start" "-a" "04b20412e5255e7357a51ee04a857fd51c0d08b89c5997d8171d9e3347be19da"`
[INFO] [stderr]    Compiling vika5 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `h1`
[INFO] [stderr]  --> src/main.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let h1 = vec![195, 204, 395, 409, 595, 618,795,836,995,1072,1195,1344,1395];
[INFO] [stderr]   |         ^^ help: consider prefixing with an underscore: `_h1`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `x` is never read
[INFO] [stderr]   --> src/main.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut x: f64 = 0.0;
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `generate_hotels`
[INFO] [stderr]   --> src/main.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn generate_hotels(n: usize) -> Vec<i64> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `"docker" "inspect" "04b20412e5255e7357a51ee04a857fd51c0d08b89c5997d8171d9e3347be19da"`
[INFO] running `"docker" "rm" "-f" "04b20412e5255e7357a51ee04a857fd51c0d08b89c5997d8171d9e3347be19da"`
[INFO] [stdout] 04b20412e5255e7357a51ee04a857fd51c0d08b89c5997d8171d9e3347be19da
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 29b6ea8871151d25cd7d47ae979d985d946ba600a97d0e95a45e800a89cabbd0
[INFO] running `"docker" "start" "-a" "29b6ea8871151d25cd7d47ae979d985d946ba600a97d0e95a45e800a89cabbd0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/vika5-fe986ee549282739
[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" "29b6ea8871151d25cd7d47ae979d985d946ba600a97d0e95a45e800a89cabbd0"`
[INFO] running `"docker" "rm" "-f" "29b6ea8871151d25cd7d47ae979d985d946ba600a97d0e95a45e800a89cabbd0"`
[INFO] [stdout] 29b6ea8871151d25cd7d47ae979d985d946ba600a97d0e95a45e800a89cabbd0