[INFO] updating cached repository https://github.com/justincampbell/url-shortener-rust
[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] dea15a889eaf723a4ab9ccfa1a9ca95e078f3b0a
[INFO] testing justincampbell/url-shortener-rust against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustincampbell%2Furl-shortener-rust" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/justincampbell/url-shortener-rust 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/justincampbell/url-shortener-rust
[INFO] finished tweaking git repo https://github.com/justincampbell/url-shortener-rust
[INFO] tweaked toml for git repo https://github.com/justincampbell/url-shortener-rust written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/justincampbell/url-shortener-rust 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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] a155bd8e431f5229c533442fb2d3895226a0a91d6c7fc7736b4650abbd92b0ee
[INFO] running `"docker" "start" "-a" "a155bd8e431f5229c533442fb2d3895226a0a91d6c7fc7736b4650abbd92b0ee"`
[INFO] [stderr]    Compiling shortener v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: type alias is never used: `Token`
[INFO] [stderr]  --> src/shortener.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | type Token = String;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Url`
[INFO] [stderr]  --> src/shortener.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | type Url = String;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `World`
[INFO] [stderr]  --> src/shortener.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct World {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `empty`
[INFO] [stderr]   --> src/shortener.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn empty() -> World {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `shorten`
[INFO] [stderr]   --> src/shortener.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn shorten(&mut self, url: &Url) -> Token {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `expand`
[INFO] [stderr]   --> src/shortener.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn expand(&self, token: Token) -> Option<&Url> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `tokenize`
[INFO] [stderr]   --> src/shortener.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn tokenize(id: i32) -> String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.13s
[INFO] running `"docker" "inspect" "a155bd8e431f5229c533442fb2d3895226a0a91d6c7fc7736b4650abbd92b0ee"`
[INFO] running `"docker" "rm" "-f" "a155bd8e431f5229c533442fb2d3895226a0a91d6c7fc7736b4650abbd92b0ee"`
[INFO] [stdout] a155bd8e431f5229c533442fb2d3895226a0a91d6c7fc7736b4650abbd92b0ee
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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] 89a7b868ac2372d039b406c6879266c8693d86614722ff589ecc27f356b197f7
[INFO] running `"docker" "start" "-a" "89a7b868ac2372d039b406c6879266c8693d86614722ff589ecc27f356b197f7"`
[INFO] [stderr]    Compiling shortener v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.65s
[INFO] running `"docker" "inspect" "89a7b868ac2372d039b406c6879266c8693d86614722ff589ecc27f356b197f7"`
[INFO] running `"docker" "rm" "-f" "89a7b868ac2372d039b406c6879266c8693d86614722ff589ecc27f356b197f7"`
[INFO] [stdout] 89a7b868ac2372d039b406c6879266c8693d86614722ff589ecc27f356b197f7
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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] 5bed351395b90fd1128ad0dba1a3548bff5b4d480f5dfa208b173d90b4d535d7
[INFO] running `"docker" "start" "-a" "5bed351395b90fd1128ad0dba1a3548bff5b4d480f5dfa208b173d90b4d535d7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/shortener-4d66f9c84f185d2b
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test shortener::shorten_and_expand ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5bed351395b90fd1128ad0dba1a3548bff5b4d480f5dfa208b173d90b4d535d7"`
[INFO] running `"docker" "rm" "-f" "5bed351395b90fd1128ad0dba1a3548bff5b4d480f5dfa208b173d90b4d535d7"`
[INFO] [stdout] 5bed351395b90fd1128ad0dba1a3548bff5b4d480f5dfa208b173d90b4d535d7