[INFO] cloning repository https://github.com/furuhama/ant_book
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/furuhama/ant_book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffuruhama%2Fant_book", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffuruhama%2Fant_book'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0b522d93b7f45f496249be54de656f567373f17d
[INFO] checking furuhama/ant_book against master#3350c1eb3fd8fe1bee1ed4c76944d707bd256876 for pr-140558
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffuruhama%2Fant_book" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/furuhama/ant_book on toolchain 3350c1eb3fd8fe1bee1ed4c76944d707bd256876
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/furuhama/ant_book
[INFO] finished tweaking git repo https://github.com/furuhama/ant_book
[INFO] tweaked toml for git repo https://github.com/furuhama/ant_book written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/furuhama/ant_book 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" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e983d4f70072a63d3e5a4398bbf77057450029d67c082fd1083e55efcc56c585
[INFO] running `Command { std: "docker" "start" "-a" "e983d4f70072a63d3e5a4398bbf77057450029d67c082fd1083e55efcc56c585", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e983d4f70072a63d3e5a4398bbf77057450029d67c082fd1083e55efcc56c585", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e983d4f70072a63d3e5a4398bbf77057450029d67c082fd1083e55efcc56c585", kill_on_drop: false }`
[INFO] [stdout] e983d4f70072a63d3e5a4398bbf77057450029d67c082fd1083e55efcc56c585
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4f3ad70563863da5d05693f7aa48d71d2d503382b96ecedcfd6318c459baef9
[INFO] running `Command { std: "docker" "start" "-a" "f4f3ad70563863da5d05693f7aa48d71d2d503382b96ecedcfd6318c459baef9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling proconio-derive v0.1.6
[INFO] [stderr]     Checking proconio v0.3.6
[INFO] [stderr]     Checking ant_book v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `upper_bound` is never used
[INFO] [stdout]  --> src/bin/lis.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait BinarySearchable<T> {
[INFO] [stdout]   |       ---------------- method in this trait
[INFO] [stdout] 2 |     fn lower_bound(&self, x: &T) -> usize;
[INFO] [stdout] 3 |     fn upper_bound(&self, x: &T) -> usize;
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `upper_bound` is never used
[INFO] [stdout]  --> src/bin/lis.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait BinarySearchable<T> {
[INFO] [stdout]   |       ---------------- method in this trait
[INFO] [stdout] 2 |     fn lower_bound(&self, x: &T) -> usize;
[INFO] [stdout] 3 |     fn upper_bound(&self, x: &T) -> usize;
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.09s
[INFO] running `Command { std: "docker" "inspect" "f4f3ad70563863da5d05693f7aa48d71d2d503382b96ecedcfd6318c459baef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4f3ad70563863da5d05693f7aa48d71d2d503382b96ecedcfd6318c459baef9", kill_on_drop: false }`
[INFO] [stdout] f4f3ad70563863da5d05693f7aa48d71d2d503382b96ecedcfd6318c459baef9