[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 try#9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869 for pr-129249
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffuruhama%2Fant_book" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/furuhama/ant_book on toolchain 9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc2/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-3-tc2/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" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proconio v0.3.6
[INFO] [stderr]   Downloaded proconio-derive v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38fa7761b255d9087915b0e8b3d0f718ac584f8dcd968fa8bc0564bcf9464436
[INFO] running `Command { std: "docker" "start" "-a" "38fa7761b255d9087915b0e8b3d0f718ac584f8dcd968fa8bc0564bcf9464436", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38fa7761b255d9087915b0e8b3d0f718ac584f8dcd968fa8bc0564bcf9464436", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38fa7761b255d9087915b0e8b3d0f718ac584f8dcd968fa8bc0564bcf9464436", kill_on_drop: false }`
[INFO] [stdout] 38fa7761b255d9087915b0e8b3d0f718ac584f8dcd968fa8bc0564bcf9464436
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 368677c6908ba36429352ac2549702194f94b971a67cc57bd1bda0bb09aba0f5
[INFO] running `Command { std: "docker" "start" "-a" "368677c6908ba36429352ac2549702194f94b971a67cc57bd1bda0bb09aba0f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[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 6.56s
[INFO] running `Command { std: "docker" "inspect" "368677c6908ba36429352ac2549702194f94b971a67cc57bd1bda0bb09aba0f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "368677c6908ba36429352ac2549702194f94b971a67cc57bd1bda0bb09aba0f5", kill_on_drop: false }`
[INFO] [stdout] 368677c6908ba36429352ac2549702194f94b971a67cc57bd1bda0bb09aba0f5