[INFO] cloning repository https://github.com/kagami-tsukimura/rust-catchup
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kagami-tsukimura/rust-catchup" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkagami-tsukimura%2Frust-catchup", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkagami-tsukimura%2Frust-catchup'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 61ea4491f40c38ee6ed140027934c88880b6c115
[INFO] checking kagami-tsukimura/rust-catchup against try#da0275e101cdc809ce291ed8b64d6f82c6b65467 for pr-134276
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkagami-tsukimura%2Frust-catchup" "/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/kagami-tsukimura/rust-catchup on toolchain da0275e101cdc809ce291ed8b64d6f82c6b65467
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+da0275e101cdc809ce291ed8b64d6f82c6b65467" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kagami-tsukimura/rust-catchup
[INFO] finished tweaking git repo https://github.com/kagami-tsukimura/rust-catchup
[INFO] tweaked toml for git repo https://github.com/kagami-tsukimura/rust-catchup written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kagami-tsukimura/rust-catchup 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" "+da0275e101cdc809ce291ed8b64d6f82c6b65467" "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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+da0275e101cdc809ce291ed8b64d6f82c6b65467" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0d2e854d04334c6b7997f3f48d4bcd00b8f7e5881f1873987bb57adcfa73bd9
[INFO] running `Command { std: "docker" "start" "-a" "b0d2e854d04334c6b7997f3f48d4bcd00b8f7e5881f1873987bb57adcfa73bd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0d2e854d04334c6b7997f3f48d4bcd00b8f7e5881f1873987bb57adcfa73bd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0d2e854d04334c6b7997f3f48d4bcd00b8f7e5881f1873987bb57adcfa73bd9", kill_on_drop: false }`
[INFO] [stdout] b0d2e854d04334c6b7997f3f48d4bcd00b8f7e5881f1873987bb57adcfa73bd9
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+da0275e101cdc809ce291ed8b64d6f82c6b65467" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25d938704247d2ef51c848ee7ece914d42b6731945cef905aee37b0c3baa28f5
[INFO] running `Command { std: "docker" "start" "-a" "25d938704247d2ef51c848ee7ece914d42b6731945cef905aee37b0c3baa28f5", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-udemy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Rectangle` is never constructed
[INFO] [stdout]  --> src/unit_test.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Rectangle {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `compare_area` is never used
[INFO] [stdout]  --> src/unit_test.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Rectangle {
[INFO] [stdout]   | -------------- method in this implementation
[INFO] [stdout] 7 |     // 1, 2引数の面積を比較し、1が大きければtrueを返す
[INFO] [stdout] 8 |     fn compare_area(&self, other: &Rectangle) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `double_value` is never used
[INFO] [stdout]   --> src/unit_test.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn double_value(x: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `greeting` is never used
[INFO] [stdout]   --> src/unit_test.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn greeting(name: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "25d938704247d2ef51c848ee7ece914d42b6731945cef905aee37b0c3baa28f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25d938704247d2ef51c848ee7ece914d42b6731945cef905aee37b0c3baa28f5", kill_on_drop: false }`
[INFO] [stdout] 25d938704247d2ef51c848ee7ece914d42b6731945cef905aee37b0c3baa28f5