[INFO] cloning repository https://github.com/gen0x39/rcc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gen0x39/rcc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgen0x39%2Frcc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgen0x39%2Frcc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1dc2d038ddafa64cb7676c47d95fa07fd8b83c9d
[INFO] checking gen0x39/rcc against master#db0e836148accac8a22532e3596ac612b63c2d8e for pr-139272
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgen0x39%2Frcc" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gen0x39/rcc on toolchain db0e836148accac8a22532e3596ac612b63c2d8e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db0e836148accac8a22532e3596ac612b63c2d8e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gen0x39/rcc
[INFO] finished tweaking git repo https://github.com/gen0x39/rcc
[INFO] tweaked toml for git repo https://github.com/gen0x39/rcc written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/gen0x39/rcc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db0e836148accac8a22532e3596ac612b63c2d8e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+db0e836148accac8a22532e3596ac612b63c2d8e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffed4672c19e7daaf2e996a67968d87405e83fa6ee0e3ceb3b20004bf772c299
[INFO] running `Command { std: "docker" "start" "-a" "ffed4672c19e7daaf2e996a67968d87405e83fa6ee0e3ceb3b20004bf772c299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffed4672c19e7daaf2e996a67968d87405e83fa6ee0e3ceb3b20004bf772c299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffed4672c19e7daaf2e996a67968d87405e83fa6ee0e3ceb3b20004bf772c299", kill_on_drop: false }`
[INFO] [stdout] ffed4672c19e7daaf2e996a67968d87405e83fa6ee0e3ceb3b20004bf772c299
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+db0e836148accac8a22532e3596ac612b63c2d8e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c13fae95bdb5b63f593045ad347bffb5be2bb57aa1eeed5ae969f70513a472ca
[INFO] running `Command { std: "docker" "start" "-a" "c13fae95bdb5b63f593045ad347bffb5be2bb57aa1eeed5ae969f70513a472ca", kill_on_drop: false }`
[INFO] [stderr]     Checking rcc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/parse.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |             _ => (),  // エラーハンドリング(あとで)
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/parse.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |             TokenType::Num(n) => {
[INFO] [stdout]    |             ----------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 17 |             TokenType::Plus => {
[INFO] [stdout]    |             --------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 20 |             TokenType::Minus => {
[INFO] [stdout]    |             ---------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 23 |             TokenType::Eof =>  {
[INFO] [stdout]    |             -------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 26 |             _ => (),  // エラーハンドリング(あとで)
[INFO] [stdout]    |             ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/parse.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |             _ => (),  // エラーハンドリング(あとで)
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/parse.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |             TokenType::Num(n) => {
[INFO] [stdout]    |             ----------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 17 |             TokenType::Plus => {
[INFO] [stdout]    |             --------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 20 |             TokenType::Minus => {
[INFO] [stdout]    |             ---------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 23 |             TokenType::Eof =>  {
[INFO] [stdout]    |             -------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 26 |             _ => (),  // エラーハンドリング(あとで)
[INFO] [stdout]    |             ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `token_vec` is never read
[INFO] [stdout]   --> src/main.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut token_vec = Vec::new();
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `token_vec` is never read
[INFO] [stdout]   --> src/main.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut token_vec = Vec::new();
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "c13fae95bdb5b63f593045ad347bffb5be2bb57aa1eeed5ae969f70513a472ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c13fae95bdb5b63f593045ad347bffb5be2bb57aa1eeed5ae969f70513a472ca", kill_on_drop: false }`
[INFO] [stdout] c13fae95bdb5b63f593045ad347bffb5be2bb57aa1eeed5ae969f70513a472ca