[INFO] cloning repository https://github.com/justincampbell/url-shortener-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/justincampbell/url-shortener-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustincampbell%2Furl-shortener-rust"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustincampbell%2Furl-shortener-rust'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dea15a889eaf723a4ab9ccfa1a9ca95e078f3b0a
[INFO] testing justincampbell/url-shortener-rust against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustincampbell%2Furl-shortener-rust" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/justincampbell/url-shortener-rust on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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 /workspace/builds/worker-9/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 `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 68446b4c3de7f95ea581f50eebc3aa4b9025267ca0232ec4d13acb8d3174457b
[INFO] running `"docker" "start" "-a" "68446b4c3de7f95ea581f50eebc3aa4b9025267ca0232ec4d13acb8d3174457b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct World {
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `empty`
[INFO] [stderr]   --> src/shortener.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn empty() -> World {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `shorten`
[INFO] [stderr]   --> src/shortener.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn shorten(&mut self, url: &Url) -> Token {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `expand`
[INFO] [stderr]   --> src/shortener.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn expand(&self, token: Token) -> Option<&Url> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `tokenize`
[INFO] [stderr]   --> src/shortener.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn tokenize(id: i32) -> String {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `"docker" "inspect" "68446b4c3de7f95ea581f50eebc3aa4b9025267ca0232ec4d13acb8d3174457b"`
[INFO] running `"docker" "rm" "-f" "68446b4c3de7f95ea581f50eebc3aa4b9025267ca0232ec4d13acb8d3174457b"`
[INFO] [stdout] 68446b4c3de7f95ea581f50eebc3aa4b9025267ca0232ec4d13acb8d3174457b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ad1eb1d29af708611db878b52f4447affcecb80ee81d8bf718d62fd7ee9734b7
[INFO] running `"docker" "start" "-a" "ad1eb1d29af708611db878b52f4447affcecb80ee81d8bf718d62fd7ee9734b7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling shortener v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `"docker" "inspect" "ad1eb1d29af708611db878b52f4447affcecb80ee81d8bf718d62fd7ee9734b7"`
[INFO] running `"docker" "rm" "-f" "ad1eb1d29af708611db878b52f4447affcecb80ee81d8bf718d62fd7ee9734b7"`
[INFO] [stdout] ad1eb1d29af708611db878b52f4447affcecb80ee81d8bf718d62fd7ee9734b7
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fa7901e051718563731b962e4fb17eb88fcfa510beea3ef590cc06f0fb197140
[INFO] running `"docker" "start" "-a" "fa7901e051718563731b962e4fb17eb88fcfa510beea3ef590cc06f0fb197140"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/shortener-767690e4af8cb04b
[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" "fa7901e051718563731b962e4fb17eb88fcfa510beea3ef590cc06f0fb197140"`
[INFO] running `"docker" "rm" "-f" "fa7901e051718563731b962e4fb17eb88fcfa510beea3ef590cc06f0fb197140"`
[INFO] [stdout] fa7901e051718563731b962e4fb17eb88fcfa510beea3ef590cc06f0fb197140