[INFO] cloning repository https://github.com/mizuho-u/rcc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mizuho-u/rcc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmizuho-u%2Frcc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmizuho-u%2Frcc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 05360afbd3e5890d455929e3f6fa878ce040e8cf
[INFO] checking mizuho-u/rcc against try#a3a874232ae0a7586b5fbe7483c5a42e157bd62a for pr-151109
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmizuho-u%2Frcc" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mizuho-u/rcc
[INFO] finished tweaking git repo https://github.com/mizuho-u/rcc
[INFO] tweaked toml for git repo https://github.com/mizuho-u/rcc written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mizuho-u/rcc on toolchain a3a874232ae0a7586b5fbe7483c5a42e157bd62a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mizuho-u/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" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ba40dad04b582296e3fbbe23015d36ccab72496f04fe7e6b1af29913df860a8
[INFO] running `Command { std: "docker" "start" "-a" "7ba40dad04b582296e3fbbe23015d36ccab72496f04fe7e6b1af29913df860a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ba40dad04b582296e3fbbe23015d36ccab72496f04fe7e6b1af29913df860a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ba40dad04b582296e3fbbe23015d36ccab72496f04fe7e6b1af29913df860a8", kill_on_drop: false }`
[INFO] [stdout] 7ba40dad04b582296e3fbbe23015d36ccab72496f04fe7e6b1af29913df860a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a666688b16bf16d516703b029e5c0eae20e891f20b07fa67bb5f3fab3db08041
[INFO] running `Command { std: "docker" "start" "-a" "a666688b16bf16d516703b029e5c0eae20e891f20b07fa67bb5f3fab3db08041", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]     Checking clap_builder v4.5.27
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling clap_derive v4.5.24
[INFO] [stderr]     Checking clap v4.5.27
[INFO] [stderr]     Checking rc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `TypeError` is never constructed
[INFO] [stdout]  --> src/parse/type_check.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct TypeError(String);
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TypeError` is never constructed
[INFO] [stdout]  --> src/parse/type_check.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct TypeError(String);
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.72s
[INFO] running `Command { std: "docker" "inspect" "a666688b16bf16d516703b029e5c0eae20e891f20b07fa67bb5f3fab3db08041", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a666688b16bf16d516703b029e5c0eae20e891f20b07fa67bb5f3fab3db08041", kill_on_drop: false }`
[INFO] [stdout] a666688b16bf16d516703b029e5c0eae20e891f20b07fa67bb5f3fab3db08041