[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 1.54.0 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-77/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-77/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/n4o847/procon-rust on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-77/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-77/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" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded superslice v1.0.0
[INFO] [stderr]   Downloaded bitset-fixed v0.1.0
[INFO] [stderr]   Downloaded nalgebra v0.20.0
[INFO] [stderr]   Downloaded ndarray v0.13.0
[INFO] [stderr]   Downloaded bitmaps v2.0.0
[INFO] [stderr]   Downloaded proconio v0.3.7
[INFO] [stderr]   Downloaded proconio-derive v0.1.6
[INFO] [stderr]   Downloaded whiteread v0.5.0
[INFO] [stderr]   Downloaded cargo-snippet v0.6.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb28d3b8d348b7bcb029a95c1ed8c7ea7a0d65cc0d88c7982dbfa953c84e0d1c
[INFO] running `Command { std: "docker" "start" "-a" "fb28d3b8d348b7bcb029a95c1ed8c7ea7a0d65cc0d88c7982dbfa953c84e0d1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb28d3b8d348b7bcb029a95c1ed8c7ea7a0d65cc0d88c7982dbfa953c84e0d1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb28d3b8d348b7bcb029a95c1ed8c7ea7a0d65cc0d88c7982dbfa953c84e0d1c", kill_on_drop: false }`
[INFO] [stdout] fb28d3b8d348b7bcb029a95c1ed8c7ea7a0d65cc0d88c7982dbfa953c84e0d1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a9076260fa35fb7168cd67dab1fadd8584442d596e67b2ef7bdacdb35d62e7c
[INFO] running `Command { std: "docker" "start" "-a" "6a9076260fa35fb7168cd67dab1fadd8584442d596e67b2ef7bdacdb35d62e7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling libc v0.2.67
[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 memchr v2.3.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling bitset-fixed v0.1.0
[INFO] [stderr]    Compiling superslice v1.0.0
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]    Compiling text_io v0.1.8
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling permutohedron v0.2.4
[INFO] [stderr]    Compiling ascii v1.0.0
[INFO] [stderr]    Compiling whiteread v0.5.0
[INFO] [stderr]    Compiling cargo-snippet v0.6.3
[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 indexmap v1.3.2
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[INFO] [stderr]    Compiling im-rc v14.3.0
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling bitmaps v2.0.0
[INFO] [stderr]    Compiling generic-array v0.13.2
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling petgraph v0.5.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling rand_hc v0.2.0
[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 rand v0.7.3
[INFO] [stderr]    Compiling regex v1.3.6
[INFO] [stderr]    Compiling alga v0.9.3
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling nalgebra v0.20.0
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling sized-chunks v0.5.3
[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 27.55s
[INFO] running `Command { std: "docker" "inspect" "6a9076260fa35fb7168cd67dab1fadd8584442d596e67b2ef7bdacdb35d62e7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a9076260fa35fb7168cd67dab1fadd8584442d596e67b2ef7bdacdb35d62e7c", kill_on_drop: false }`
[INFO] [stdout] 6a9076260fa35fb7168cd67dab1fadd8584442d596e67b2ef7bdacdb35d62e7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6e1c7e7ae56635581424ba78648ed3393397d469b30abee9f4e051ad0303126
[INFO] running `Command { std: "docker" "start" "-a" "f6e1c7e7ae56635581424ba78648ed3393397d469b30abee9f4e051ad0303126", 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: `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] [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] [stderr] error: could not compile `competitive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name code_formula_2014_final_c --edition=2018 examples/code_formula_2014_final_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=f55050e23298512c -C extra-filename=-f55050e23298512c --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern alga=/opt/rustwide/target/debug/deps/libalga-6656e435c9fc9600.rlib --extern ascii=/opt/rustwide/target/debug/deps/libascii-fb573684a7cbbbb5.rlib --extern bitset_fixed=/opt/rustwide/target/debug/deps/libbitset_fixed-1b5db95fd3557902.rlib --extern cargo_snippet=/opt/rustwide/target/debug/deps/libcargo_snippet-66ebf865b47fc24e.so --extern competitive=/opt/rustwide/target/debug/deps/libcompetitive-7e52de0ab16f46c2.rlib --extern either=/opt/rustwide/target/debug/deps/libeither-b41114d325094916.rlib --extern fixedbitset=/opt/rustwide/target/debug/deps/libfixedbitset-140df850d7bd2618.rlib --extern getrandom=/opt/rustwide/target/debug/deps/libgetrandom-765a008f4089be91.rlib --extern im_rc=/opt/rustwide/target/debug/deps/libim_rc-9c8062c0a67a27e6.rlib --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-ac0e2e9a2432bd5a.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-7a9a365a19231d84.rlib --extern itertools_num=/opt/rustwide/target/debug/deps/libitertools_num-6f36846055007b5c.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-5c53d641eb010a81.rlib --extern libm=/opt/rustwide/target/debug/deps/liblibm-e98a9e597f9ea657.rlib --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-c7915d2ae04ba2e5.rlib --extern nalgebra=/opt/rustwide/target/debug/deps/libnalgebra-fc925093ea04d8a8.rlib --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-d696de6a666a360b.rlib --extern num=/opt/rustwide/target/debug/deps/libnum-e79d469fbb9017bd.rlib --extern num_bigint=/opt/rustwide/target/debug/deps/libnum_bigint-a6440d9f659b5a5f.rlib --extern num_complex=/opt/rustwide/target/debug/deps/libnum_complex-ed4344e71c1b65b2.rlib --extern num_derive=/opt/rustwide/target/debug/deps/libnum_derive-47aec0ce9b90c64a.so --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-f657840faaf74025.rlib --extern num_iter=/opt/rustwide/target/debug/deps/libnum_iter-ede8a5f3b9f57fad.rlib --extern num_rational=/opt/rustwide/target/debug/deps/libnum_rational-b5b4da9a20fa39be.rlib --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-c8eacd151f230d55.rlib --extern ordered_float=/opt/rustwide/target/debug/deps/libordered_float-4ae21d2d7819e05d.rlib --extern permutohedron=/opt/rustwide/target/debug/deps/libpermutohedron-161aab34c7b5af33.rlib --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-dda18b3db1a48d8e.rlib --extern proconio=/opt/rustwide/target/debug/deps/libproconio-c89d38c5c710199a.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-a8ec88f24e880014.rlib --extern rand_chacha=/opt/rustwide/target/debug/deps/librand_chacha-6e3a7155db4bb8d4.rlib --extern rand_core=/opt/rustwide/target/debug/deps/librand_core-3a01b69612221768.rlib --extern rand_distr=/opt/rustwide/target/debug/deps/librand_distr-c507ddd78bec1cc2.rlib --extern rand_hc=/opt/rustwide/target/debug/deps/librand_hc-36a79d0dce03f912.rlib --extern rand_pcg=/opt/rustwide/target/debug/deps/librand_pcg-ade4f081fabc37b9.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-d58f7a62da8f6754.rlib --extern rustc_hash=/opt/rustwide/target/debug/deps/librustc_hash-7bf68832c0f4b1a6.rlib --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-c6a8afff2e82f140.rlib --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-17e54d652ac49662.rlib --extern text_io=/opt/rustwide/target/debug/deps/libtext_io-624fb98a7b6fe9b7.rlib --extern whiteread=/opt/rustwide/target/debug/deps/libwhiteread-6ebe59f51db2b035.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 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: 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: build failed
[INFO] running `Command { std: "docker" "inspect" "f6e1c7e7ae56635581424ba78648ed3393397d469b30abee9f4e051ad0303126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6e1c7e7ae56635581424ba78648ed3393397d469b30abee9f4e051ad0303126", kill_on_drop: false }`
[INFO] [stdout] f6e1c7e7ae56635581424ba78648ed3393397d469b30abee9f4e051ad0303126
