[INFO] cloning repository https://github.com/takumi3488/RustForAtCoder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/takumi3488/RustForAtCoder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakumi3488%2FRustForAtCoder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakumi3488%2FRustForAtCoder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7140abc483fad5e566f5003e7e0b2c0171c7894f
[INFO] checking takumi3488/RustForAtCoder against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakumi3488%2FRustForAtCoder" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/takumi3488/RustForAtCoder on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/takumi3488/RustForAtCoder
[INFO] finished tweaking git repo https://github.com/takumi3488/RustForAtCoder
[INFO] tweaked toml for git repo https://github.com/takumi3488/RustForAtCoder written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/takumi3488/RustForAtCoder already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6340ae93256ccc11e9a0b336b676b2da1e2ff5a1f0885496f6111fd788113095
[INFO] running `Command { std: "docker" "start" "-a" "6340ae93256ccc11e9a0b336b676b2da1e2ff5a1f0885496f6111fd788113095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6340ae93256ccc11e9a0b336b676b2da1e2ff5a1f0885496f6111fd788113095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6340ae93256ccc11e9a0b336b676b2da1e2ff5a1f0885496f6111fd788113095", kill_on_drop: false }`
[INFO] [stdout] 6340ae93256ccc11e9a0b336b676b2da1e2ff5a1f0885496f6111fd788113095
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1160c70131d162146de5995701f9f98a21856a2d612da72f15a8cd2f2f68e92e
[INFO] running `Command { std: "docker" "start" "-a" "1160c70131d162146de5995701f9f98a21856a2d612da72f15a8cd2f2f68e92e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking atcoder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/main.rs:38:1
[INFO] [stdout]    |
[INFO] [stdout] 38 | / macro_rules! read_value {
[INFO] [stdout] 39 | |     ($iter:expr, ( $($t:tt),* )) => {
[INFO] [stdout] 40 | |         ( $(read_value!($iter, $t)),* )
[INFO] [stdout] 41 | |     };
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |     };
[INFO] [stdout] 58 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/main.rs:38:1
[INFO] [stdout]    |
[INFO] [stdout] 38 | / macro_rules! read_value {
[INFO] [stdout] 39 | |     ($iter:expr, ( $($t:tt),* )) => {
[INFO] [stdout] 40 | |         ( $(read_value!($iter, $t)),* )
[INFO] [stdout] 41 | |     };
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |     };
[INFO] [stdout] 58 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iter`
[INFO] [stdout]   --> src/main.rs:4:17
[INFO] [stdout]    |
[INFO] [stdout] 4  |           let mut iter = $s.split_whitespace();
[INFO] [stdout]    |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_iter`
[INFO] [stdout] ...
[INFO] [stdout] 82 | /     input! {
[INFO] [stdout] 83 | |         source = src,
[INFO] [stdout] 84 | |         // variable: type,
[INFO] [stdout] 85 | |     }
[INFO] [stdout]    | |_____- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `input` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:4:13
[INFO] [stdout]    |
[INFO] [stdout] 4  |           let mut iter = $s.split_whitespace();
[INFO] [stdout]    |               ----^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 82 | /     input! {
[INFO] [stdout] 83 | |         source = src,
[INFO] [stdout] 84 | |         // variable: type,
[INFO] [stdout] 85 | |     }
[INFO] [stdout]    | |_____- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `input` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iter`
[INFO] [stdout]   --> src/main.rs:4:17
[INFO] [stdout]    |
[INFO] [stdout] 4  |           let mut iter = $s.split_whitespace();
[INFO] [stdout]    |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_iter`
[INFO] [stdout] ...
[INFO] [stdout] 82 | /     input! {
[INFO] [stdout] 83 | |         source = src,
[INFO] [stdout] 84 | |         // variable: type,
[INFO] [stdout] 85 | |     }
[INFO] [stdout]    | |_____- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `input` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:4:13
[INFO] [stdout]    |
[INFO] [stdout] 4  |           let mut iter = $s.split_whitespace();
[INFO] [stdout]    |               ----^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 82 | /     input! {
[INFO] [stdout] 83 | |         source = src,
[INFO] [stdout] 84 | |         // variable: type,
[INFO] [stdout] 85 | |     }
[INFO] [stdout]    | |_____- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `input` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "1160c70131d162146de5995701f9f98a21856a2d612da72f15a8cd2f2f68e92e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1160c70131d162146de5995701f9f98a21856a2d612da72f15a8cd2f2f68e92e", kill_on_drop: false }`
[INFO] [stdout] 1160c70131d162146de5995701f9f98a21856a2d612da72f15a8cd2f2f68e92e