[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] 89f379f4ce8dae1369902b1de4d4423ad58d2bfb
[INFO] testing n4o847/procon-rust against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn4o847%2Fprocon-rust" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/n4o847/procon-rust on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-13/source/rust-toolchain
[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-13/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" "+beta-2021-08-01" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4e0aa9716afe4f220f1b11f81b59c0de5d11a51a7f5dedfe1fa9b21ed149bc8
[INFO] running `Command { std: "docker" "start" "-a" "a4e0aa9716afe4f220f1b11f81b59c0de5d11a51a7f5dedfe1fa9b21ed149bc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4e0aa9716afe4f220f1b11f81b59c0de5d11a51a7f5dedfe1fa9b21ed149bc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4e0aa9716afe4f220f1b11f81b59c0de5d11a51a7f5dedfe1fa9b21ed149bc8", kill_on_drop: false }`
[INFO] [stdout] a4e0aa9716afe4f220f1b11f81b59c0de5d11a51a7f5dedfe1fa9b21ed149bc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62906e97f6c88a63cba7ccc466f51777ca3cc9b22b2a055e7a7109d737d51cae
[INFO] running `Command { std: "docker" "start" "-a" "62906e97f6c88a63cba7ccc466f51777ca3cc9b22b2a055e7a7109d737d51cae", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]    Compiling permutohedron v0.2.4
[INFO] [stderr]    Compiling cargo-snippet v0.6.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling text_io v0.1.8
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling bitset-fixed v0.1.0
[INFO] [stderr]    Compiling ascii v1.0.0
[INFO] [stderr]    Compiling superslice v1.0.0
[INFO] [stderr]    Compiling whiteread v0.5.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling itertools v0.9.0
[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 aho-corasick v0.7.10
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling bitmaps v2.0.0
[INFO] [stderr]    Compiling generic-array v0.13.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling regex v1.3.6
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling rand_hc v0.2.0
[INFO] [stderr]    Compiling petgraph v0.5.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling itertools-num v0.1.3
[INFO] [stderr]    Compiling alga v0.9.3
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling sized-chunks v0.5.3
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling nalgebra v0.20.0
[INFO] [stderr]    Compiling num-derive v0.3.0
[INFO] [stderr]    Compiling proconio-derive v0.1.6
[INFO] [stderr]    Compiling proconio v0.3.7
[INFO] [stderr]    Compiling competitive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.32s
[INFO] running `Command { std: "docker" "inspect" "62906e97f6c88a63cba7ccc466f51777ca3cc9b22b2a055e7a7109d737d51cae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62906e97f6c88a63cba7ccc466f51777ca3cc9b22b2a055e7a7109d737d51cae", kill_on_drop: false }`
[INFO] [stdout] 62906e97f6c88a63cba7ccc466f51777ca3cc9b22b2a055e7a7109d737d51cae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76cf59cf460e66cc1a9b8983a320c0d61514c5399ef35e1aaf5c131c2f6afdc9
[INFO] running `Command { std: "docker" "start" "-a" "76cf59cf460e66cc1a9b8983a320c0d61514c5399ef35e1aaf5c131c2f6afdc9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling 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] [stderr] error: could not compile `competitive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name arc120_c --edition=2018 examples/arc120_c.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=b8581d7e55ab89f7 -C extra-filename=-b8581d7e55ab89f7 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern alga=/opt/rustwide/target/debug/deps/libalga-81139c77820fb178.rlib --extern ascii=/opt/rustwide/target/debug/deps/libascii-1e320548fa650ca7.rlib --extern bitset_fixed=/opt/rustwide/target/debug/deps/libbitset_fixed-a5db4f9663ceeea2.rlib --extern cargo_snippet=/opt/rustwide/target/debug/deps/libcargo_snippet-ea1e12bf857c897e.so --extern competitive=/opt/rustwide/target/debug/deps/libcompetitive-6bab82a943630fa4.rlib --extern either=/opt/rustwide/target/debug/deps/libeither-aef718d53a3734a1.rlib --extern fixedbitset=/opt/rustwide/target/debug/deps/libfixedbitset-0406d7f1eb3e0b3c.rlib --extern getrandom=/opt/rustwide/target/debug/deps/libgetrandom-3f28ae388740183c.rlib --extern im_rc=/opt/rustwide/target/debug/deps/libim_rc-01bcfc43f172b017.rlib --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-f02b2633b3bf3a19.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-3a9710ab24452350.rlib --extern itertools_num=/opt/rustwide/target/debug/deps/libitertools_num-95beb20c65cab325.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-e92083d5a39a8b50.rlib --extern libm=/opt/rustwide/target/debug/deps/liblibm-4ed299abdd9dee9f.rlib --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-8560d863b830a705.rlib --extern nalgebra=/opt/rustwide/target/debug/deps/libnalgebra-1faecdaf329d8dc6.rlib --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-8fd9d7f6b4d12d08.rlib --extern num=/opt/rustwide/target/debug/deps/libnum-b2cd060ca83d31bc.rlib --extern num_bigint=/opt/rustwide/target/debug/deps/libnum_bigint-46aac622be06f3d5.rlib --extern num_complex=/opt/rustwide/target/debug/deps/libnum_complex-faa2bd65f413befb.rlib --extern num_derive=/opt/rustwide/target/debug/deps/libnum_derive-c2731fb3d128bc88.so --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-01f243a2b0e7e972.rlib --extern num_iter=/opt/rustwide/target/debug/deps/libnum_iter-4c325a1785e56957.rlib --extern num_rational=/opt/rustwide/target/debug/deps/libnum_rational-ff19df5e505e36ad.rlib --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-e74000a0da859e92.rlib --extern ordered_float=/opt/rustwide/target/debug/deps/libordered_float-0aef18325f9de230.rlib --extern permutohedron=/opt/rustwide/target/debug/deps/libpermutohedron-34aadac87e68a11c.rlib --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-26c69aa40da0a3dd.rlib --extern proconio=/opt/rustwide/target/debug/deps/libproconio-8001b5cf651115c5.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-ee22ae6d8d0b2815.rlib --extern rand_chacha=/opt/rustwide/target/debug/deps/librand_chacha-7dced9c99628f5c3.rlib --extern rand_core=/opt/rustwide/target/debug/deps/librand_core-ef11a5a4d2de162c.rlib --extern rand_distr=/opt/rustwide/target/debug/deps/librand_distr-8370de01f6ecd1ba.rlib --extern rand_hc=/opt/rustwide/target/debug/deps/librand_hc-400122bb46e14c6f.rlib --extern rand_pcg=/opt/rustwide/target/debug/deps/librand_pcg-6b4afc8966e8010e.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-21358c919d54f83c.rlib --extern rustc_hash=/opt/rustwide/target/debug/deps/librustc_hash-e308a47475271ab5.rlib --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-c09e1eb2833cb438.rlib --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-e4e1cf5ce8f63abe.rlib --extern text_io=/opt/rustwide/target/debug/deps/libtext_io-a75959d36b013fdb.rlib --extern whiteread=/opt/rustwide/target/debug/deps/libwhiteread-3655dbc9faf6dfb9.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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: 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: 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 the attribute macro `fastout` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "76cf59cf460e66cc1a9b8983a320c0d61514c5399ef35e1aaf5c131c2f6afdc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76cf59cf460e66cc1a9b8983a320c0d61514c5399ef35e1aaf5c131c2f6afdc9", kill_on_drop: false }`
[INFO] [stdout] 76cf59cf460e66cc1a9b8983a320c0d61514c5399ef35e1aaf5c131c2f6afdc9
