[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 try#8d46be77cd48fdbcced888d027457e2c9cf2aa16 for pr-142723
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgen0x39%2Frcc" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gen0x39/rcc on toolchain 8d46be77cd48fdbcced888d027457e2c9cf2aa16
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "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-7-tc2/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" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4a5c715c370cff6e56f8bd5a7a655a67a4b4e174f60c8f49bc827865ae197f7
[INFO] running `Command { std: "docker" "start" "-a" "f4a5c715c370cff6e56f8bd5a7a655a67a4b4e174f60c8f49bc827865ae197f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4a5c715c370cff6e56f8bd5a7a655a67a4b4e174f60c8f49bc827865ae197f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4a5c715c370cff6e56f8bd5a7a655a67a4b4e174f60c8f49bc827865ae197f7", kill_on_drop: false }`
[INFO] [stdout] f4a5c715c370cff6e56f8bd5a7a655a67a4b4e174f60c8f49bc827865ae197f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6915aa3834a6be16877c620f1dc720e4c083377ff03069acca08ff7dedcdb82f
[INFO] running `Command { std: "docker" "start" "-a" "6915aa3834a6be16877c620f1dc720e4c083377ff03069acca08ff7dedcdb82f", 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 0.12s
[INFO] running `Command { std: "docker" "inspect" "6915aa3834a6be16877c620f1dc720e4c083377ff03069acca08ff7dedcdb82f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6915aa3834a6be16877c620f1dc720e4c083377ff03069acca08ff7dedcdb82f", kill_on_drop: false }`
[INFO] [stdout] 6915aa3834a6be16877c620f1dc720e4c083377ff03069acca08ff7dedcdb82f