[INFO] cloning repository https://github.com/n4o847/procon-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/n4o847/procon-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn4o847%2Fprocon-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn4o847%2Fprocon-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 44b897003b5434143ccec2a057db7982c926da13
[INFO] checking n4o847/procon-rust against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn4o847%2Fprocon-rust" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/n4o847/procon-rust on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/n4o847/procon-rust
[INFO] finished tweaking git repo https://github.com/n4o847/procon-rust
[INFO] tweaked toml for git repo https://github.com/n4o847/procon-rust written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/n4o847/procon-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54ca0243c28ad4f37dacfb989a5156560b06437f12f57d977433f8d14f25add3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "54ca0243c28ad4f37dacfb989a5156560b06437f12f57d977433f8d14f25add3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54ca0243c28ad4f37dacfb989a5156560b06437f12f57d977433f8d14f25add3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54ca0243c28ad4f37dacfb989a5156560b06437f12f57d977433f8d14f25add3", kill_on_drop: false }`
[INFO] [stdout] 54ca0243c28ad4f37dacfb989a5156560b06437f12f57d977433f8d14f25add3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e2cfa27679da364e4f2b0f58ef8a94c94f335daab49fe71b1496eaffbf89abf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3e2cfa27679da364e4f2b0f58ef8a94c94f335daab49fe71b1496eaffbf89abf", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking bitset-fixed v0.1.0
[INFO] [stderr]    Compiling cargo-snippet v0.6.3
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]     Checking ascii v1.0.0
[INFO] [stderr]     Checking superslice v1.0.0
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking whiteread v0.5.0
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling im-rc v14.3.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking rand_hc v0.2.0
[INFO] [stderr]     Checking petgraph v0.5.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking bitmaps v2.0.0
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking itertools-num v0.1.3
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking nalgebra v0.20.0
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling num-derive v0.3.0
[INFO] [stderr]     Checking sized-chunks v0.5.3
[INFO] [stderr]    Compiling proconio-derive v0.1.6
[INFO] [stderr]     Checking proconio v0.3.7
[INFO] [stderr]     Checking competitive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `max`
[INFO] [stdout]  --> examples/arc112_d.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 |     cmp::{max, min},
[INFO] [stdout]   |           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `same`
[INFO] [stdout]   --> examples/arc112_d.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn same(&mut self, x: usize, y: usize) -> bool {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeMap`
[INFO] [stdout]  --> examples/abc198_d.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::BTreeMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> examples/abc198_d.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | #[fastout]
[INFO] [stdout]    | ^^^^^^^^^^ unreachable statement
[INFO] [stdout] ...
[INFO] [stdout] 58 |     return;
[INFO] [stdout]    |     ------ any code following this expression is unreachable
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]    = note: this warning originates in an attribute macro (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]   --> examples/abc195_f.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut ans: u64 = dp.iter().sum();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s0`
[INFO] [stdout]   --> examples/agc052_a.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |             s0: Chars,
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_s0`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s1`
[INFO] [stdout]   --> examples/agc052_a.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |             s1: Chars,
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_s1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s2`
[INFO] [stdout]   --> examples/agc052_a.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |             s2: Chars,
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_s2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]  --> examples/abc196_d.rs:6:29
[INFO] [stdout]   |
[INFO] [stdout] 6 |         h: usize, w: usize, a: usize, b: usize,
[INFO] [stdout]   |                             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 08s
[INFO] running `Command { std: "docker" "inspect" "3e2cfa27679da364e4f2b0f58ef8a94c94f335daab49fe71b1496eaffbf89abf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e2cfa27679da364e4f2b0f58ef8a94c94f335daab49fe71b1496eaffbf89abf", kill_on_drop: false }`
[INFO] [stdout] 3e2cfa27679da364e4f2b0f58ef8a94c94f335daab49fe71b1496eaffbf89abf