[INFO] cloning repository https://github.com/myuon/quartz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/myuon/quartz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmyuon%2Fquartz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmyuon%2Fquartz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 27d98125bab16e042dbeff1a92129c1224907c93
[INFO] checking myuon/quartz against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmyuon%2Fquartz" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/myuon/quartz on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/myuon/quartz
[INFO] finished tweaking git repo https://github.com/myuon/quartz
[INFO] tweaked toml for git repo https://github.com/myuon/quartz written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/myuon/quartz already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31d555d59f2fddcdac7e0206fa8e227683f818a3dcfbbc559074f9b1196a5ba3
[INFO] running `Command { std: "docker" "start" "-a" "31d555d59f2fddcdac7e0206fa8e227683f818a3dcfbbc559074f9b1196a5ba3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31d555d59f2fddcdac7e0206fa8e227683f818a3dcfbbc559074f9b1196a5ba3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31d555d59f2fddcdac7e0206fa8e227683f818a3dcfbbc559074f9b1196a5ba3", kill_on_drop: false }`
[INFO] [stdout] 31d555d59f2fddcdac7e0206fa8e227683f818a3dcfbbc559074f9b1196a5ba3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec4d85df18b280f4d1fb739568a4c9f1c17d2740d9e316e40f767ff0c929a785
[INFO] running `Command { std: "docker" "start" "-a" "ec4d85df18b280f4d1fb739568a4c9f1c17d2740d9e316e40f767ff0c929a785", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking quartz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `as_ref_type`
[INFO] [stdout]   --> src/ast.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn as_ref_type(&self) -> Option<&Box<Type>> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `start`
[INFO] [stdout]   --> src/runtime.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     start: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `stdlib`
[INFO] [stdout]   --> src/stdlib.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn stdlib() -> HashMap<String, Type> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `typecheck_with_stdlib`
[INFO] [stdout]   --> src/stdlib.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn typecheck_with_stdlib(m: &mut Module) -> Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_default_types`
[INFO] [stdout]    --> src/typechecker.rs:122:12
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn set_default_types(&mut self, m: HashMap<String, Type>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `typecheck_with`
[INFO] [stdout]    --> src/typechecker.rs:275:8
[INFO] [stdout]     |
[INFO] [stdout] 275 | pub fn typecheck_with(module: &mut Module, variables: HashMap<String, Type>) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_ref_type`
[INFO] [stdout]   --> src/ast.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn as_ref_type(&self) -> Option<&Box<Type>> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `start`
[INFO] [stdout]   --> src/runtime.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     start: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.47s
[INFO] running `Command { std: "docker" "inspect" "ec4d85df18b280f4d1fb739568a4c9f1c17d2740d9e316e40f767ff0c929a785", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec4d85df18b280f4d1fb739568a4c9f1c17d2740d9e316e40f767ff0c929a785", kill_on_drop: false }`
[INFO] [stdout] ec4d85df18b280f4d1fb739568a4c9f1c17d2740d9e316e40f767ff0c929a785