[INFO] cloning repository https://github.com/RheoTommy/at_coder [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RheoTommy/at_coder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRheoTommy%2Fat_coder", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRheoTommy%2Fat_coder'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5f21d63d68071e8374bd4ef8f8742a2ac3302db6 [INFO] checking RheoTommy/at_coder against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRheoTommy%2Fat_coder" "/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/RheoTommy/at_coder 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/RheoTommy/at_coder [INFO] finished tweaking git repo https://github.com/RheoTommy/at_coder [INFO] tweaked toml for git repo https://github.com/RheoTommy/at_coder written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/RheoTommy/at_coder 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] f8c90cc1d92e3b2ac929093c91bed3a4c0fa52634f26406bf5051a7883bcd309 [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" "f8c90cc1d92e3b2ac929093c91bed3a4c0fa52634f26406bf5051a7883bcd309", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f8c90cc1d92e3b2ac929093c91bed3a4c0fa52634f26406bf5051a7883bcd309", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8c90cc1d92e3b2ac929093c91bed3a4c0fa52634f26406bf5051a7883bcd309", kill_on_drop: false }` [INFO] [stdout] f8c90cc1d92e3b2ac929093c91bed3a4c0fa52634f26406bf5051a7883bcd309 [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] 87821470dd937d05db4c776fcb64fabe6e2ef011b69a3ba0ceb14026c1f48d01 [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" "87821470dd937d05db4c776fcb64fabe6e2ef011b69a3ba0ceb14026c1f48d01", kill_on_drop: false }` [INFO] [stderr] Compiling libm v0.2.1 [INFO] [stderr] Compiling libc v0.2.77 [INFO] [stderr] Checking ppv-lite86 v0.2.9 [INFO] [stderr] Compiling syn v1.0.41 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Compiling ndarray v0.13.0 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking fixedbitset v0.2.0 [INFO] [stderr] Checking maplit v1.0.2 [INFO] [stderr] Checking whiteread v0.5.0 [INFO] [stderr] Checking superslice v1.0.0 [INFO] [stderr] Compiling cargo-snippet v0.6.5 [INFO] [stderr] Checking permutohedron v0.2.4 [INFO] [stderr] Checking ascii v1.0.0 [INFO] [stderr] Checking bitset-fixed v0.1.0 [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] 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 v1.0.21 [INFO] [stderr] Checking generic-array v0.13.2 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking petgraph v0.5.0 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand_pcg v0.2.1 [INFO] [stderr] Checking rand_hc v0.2.0 [INFO] [stderr] Checking rand v0.7.3 [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 regex v1.3.6 [INFO] [stderr] Checking alga v0.9.3 [INFO] [stderr] Checking rand_distr v0.2.2 [INFO] [stderr] Checking num v0.2.1 [INFO] [stderr] Checking nalgebra v0.20.0 [INFO] [stderr] Compiling num-derive v0.3.0 [INFO] [stderr] Checking at_coder v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `io` [INFO] [stdout] --> src/bin/a.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | let mut io = IO::new(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_io` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/a.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let mut io = IO::new(); [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: `io` [INFO] [stdout] --> src/bin/a.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | let mut io = IO::new(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_io` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/a.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let mut io = IO::new(); [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: `sc` [INFO] [stdout] --> src/bin/f.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | let mut sc = Scanner::new(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_sc` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sc` [INFO] [stdout] --> src/bin/d.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | let mut sc = Scanner::new(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_sc` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/d.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let mut sc = Scanner::new(); [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: variable does not need to be mutable [INFO] [stdout] --> src/bin/f.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let mut sc = Scanner::new(); [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: `sc` [INFO] [stdout] --> src/bin/e.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | let mut sc = Scanner::new(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_sc` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/e.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let mut sc = Scanner::new(); [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: `sc` [INFO] [stdout] --> src/bin/e.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | let mut sc = Scanner::new(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_sc` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/e.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let mut sc = Scanner::new(); [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sc` [INFO] [stdout] --> src/bin/f.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | let mut sc = Scanner::new(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_sc` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sc` [INFO] [stdout] --> src/bin/c.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | let mut sc = Scanner::new(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_sc` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/c.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let mut sc = Scanner::new(); [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: variable does not need to be mutable [INFO] [stdout] --> src/bin/f.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let mut sc = Scanner::new(); [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: `sc` [INFO] [stdout] --> src/bin/d.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | let mut sc = Scanner::new(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_sc` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/d.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let mut sc = Scanner::new(); [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sc` [INFO] [stdout] --> src/bin/b.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | let mut sc = Scanner::new(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_sc` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/b.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let mut sc = Scanner::new(); [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: `sc` [INFO] [stdout] --> src/bin/c.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | let mut sc = Scanner::new(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_sc` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/c.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let mut sc = Scanner::new(); [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sc` [INFO] [stdout] --> src/bin/b.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | let mut sc = Scanner::new(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_sc` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/b.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let mut sc = Scanner::new(); [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: 2 warnings emitted [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] [stdout] warning: 2 warnings emitted [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 54.52s [INFO] running `Command { std: "docker" "inspect" "87821470dd937d05db4c776fcb64fabe6e2ef011b69a3ba0ceb14026c1f48d01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "87821470dd937d05db4c776fcb64fabe6e2ef011b69a3ba0ceb14026c1f48d01", kill_on_drop: false }` [INFO] [stdout] 87821470dd937d05db4c776fcb64fabe6e2ef011b69a3ba0ceb14026c1f48d01