[INFO] cloning repository https://github.com/taiki3/dp3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/taiki3/dp3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaiki3%2Fdp3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaiki3%2Fdp3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 497e502d9dbc35159c72cf7fb8e5b6533be1abbb
[INFO] checking taiki3/dp3 against try#c34df645207dd0b6887b2312cf109109ba3a0ffb for pr-102513
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaiki3%2Fdp3" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/taiki3/dp3 on toolchain c34df645207dd0b6887b2312cf109109ba3a0ffb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c34df645207dd0b6887b2312cf109109ba3a0ffb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/taiki3/dp3
[INFO] finished tweaking git repo https://github.com/taiki3/dp3
[INFO] tweaked toml for git repo https://github.com/taiki3/dp3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/taiki3/dp3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c34df645207dd0b6887b2312cf109109ba3a0ffb" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+c34df645207dd0b6887b2312cf109109ba3a0ffb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3295ab1cdf29975a848c945d2ea58fe9d20b45e41cecefaf4690350a3ba3cf7f
[INFO] running `Command { std: "docker" "start" "-a" "3295ab1cdf29975a848c945d2ea58fe9d20b45e41cecefaf4690350a3ba3cf7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3295ab1cdf29975a848c945d2ea58fe9d20b45e41cecefaf4690350a3ba3cf7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3295ab1cdf29975a848c945d2ea58fe9d20b45e41cecefaf4690350a3ba3cf7f", kill_on_drop: false }`
[INFO] [stdout] 3295ab1cdf29975a848c945d2ea58fe9d20b45e41cecefaf4690350a3ba3cf7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+c34df645207dd0b6887b2312cf109109ba3a0ffb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6debdd9704428948cc84e8d0f42d378f0864580943ae6b15731cad34cab3ee7
[INFO] running `Command { std: "docker" "start" "-a" "a6debdd9704428948cc84e8d0f42d378f0864580943ae6b15731cad34cab3ee7", kill_on_drop: false }`
[INFO] [stderr]     Checking dp3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cmp`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `A` should have a snake case name
[INFO] [stdout]   --> src/main.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         A: usize,
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `A` should have a snake case name
[INFO] [stdout]   --> src/main.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         A: usize,
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "a6debdd9704428948cc84e8d0f42d378f0864580943ae6b15731cad34cab3ee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6debdd9704428948cc84e8d0f42d378f0864580943ae6b15731cad34cab3ee7", kill_on_drop: false }`
[INFO] [stdout] a6debdd9704428948cc84e8d0f42d378f0864580943ae6b15731cad34cab3ee7