[INFO] cloning repository https://github.com/konamilk/atcoder-abc155
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/konamilk/atcoder-abc155" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkonamilk%2Fatcoder-abc155", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkonamilk%2Fatcoder-abc155'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 79170248a7aadd0654fb5c5b81cc148badf36b15
[INFO] testing konamilk/atcoder-abc155 against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkonamilk%2Fatcoder-abc155" "/workspace/builds/worker-34/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-34/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/konamilk/atcoder-abc155 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/konamilk/atcoder-abc155
[INFO] finished tweaking git repo https://github.com/konamilk/atcoder-abc155
[INFO] tweaked toml for git repo https://github.com/konamilk/atcoder-abc155 written to /workspace/builds/worker-34/source/Cargo.toml
[INFO] crate git repo https://github.com/konamilk/atcoder-abc155 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 441a357b0c19a699b930d89e21824c3f6dd979b418ec4764ea1bc47fd7d06487
[INFO] running `Command { std: "docker" "start" "-a" "441a357b0c19a699b930d89e21824c3f6dd979b418ec4764ea1bc47fd7d06487", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "441a357b0c19a699b930d89e21824c3f6dd979b418ec4764ea1bc47fd7d06487", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "441a357b0c19a699b930d89e21824c3f6dd979b418ec4764ea1bc47fd7d06487", kill_on_drop: false }`
[INFO] [stdout] 441a357b0c19a699b930d89e21824c3f6dd979b418ec4764ea1bc47fd7d06487
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6513f2c29c70696d26b78cee28cf7e15371d99f259a5e1fe24a6179575b7132
[INFO] running `Command { std: "docker" "start" "-a" "b6513f2c29c70696d26b78cee28cf7e15371d99f259a5e1fe24a6179575b7132", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling libc v0.2.68
[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 v1.0.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.17
[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 maplit v1.0.2
[INFO] [stderr]    Compiling permutohedron v0.2.4
[INFO] [stderr]    Compiling bitset-fixed v0.1.0
[INFO] [stderr]    Compiling ascii v1.0.0
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]    Compiling whiteread v0.5.0
[INFO] [stderr]    Compiling text_io v0.1.8
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling superslice v1.0.0
[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 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 aho-corasick v0.7.10
[INFO] [stderr]    Compiling im-rc v14.3.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling regex v1.3.6
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling generic-array v0.13.2
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling petgraph v0.5.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling itertools-num v0.1.3
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling sized-chunks v0.5.3
[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 rand v0.7.3
[INFO] [stderr]    Compiling alga v0.9.3
[INFO] [stderr]    Compiling rand_distr v0.2.2
[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 v0.3.6
[INFO] [stderr]    Compiling abc155 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/bin/e.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         n: i64
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/bin/d.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         n: i64
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/bin/f.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         n: i64
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `smallvec::alloc::collections::BTreeMap`
[INFO] [stdout]   --> src/bin/c.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use smallvec::alloc::collections::BTreeMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/bin/c.rs:34:24
[INFO] [stdout]    |
[INFO] [stdout] 34 |     u.sort_by_key(|&(k,v)| k);                  // 第二ソートキー
[INFO] [stdout]    |                        ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/bin/c.rs:35:22
[INFO] [stdout]    |
[INFO] [stdout] 35 |     u.sort_by_key(|&(k,v)| Reverse(v));         // 第一ソートキー
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source`
[INFO] [stdout]   --> src/bin/c.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let source = AutoSource::from("7
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "b6513f2c29c70696d26b78cee28cf7e15371d99f259a5e1fe24a6179575b7132", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6513f2c29c70696d26b78cee28cf7e15371d99f259a5e1fe24a6179575b7132", kill_on_drop: false }`
[INFO] [stdout] b6513f2c29c70696d26b78cee28cf7e15371d99f259a5e1fe24a6179575b7132
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1dcd97595f1b3eb53873ae650293fcb49fefd2ae6d9a2c455d1bdcd812fbb046
[INFO] running `Command { std: "docker" "start" "-a" "1dcd97595f1b3eb53873ae650293fcb49fefd2ae6d9a2c455d1bdcd812fbb046", kill_on_drop: false }`
[INFO] [stderr]    Compiling abc155 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `smallvec::alloc::collections::BTreeMap`
[INFO] [stdout]   --> src/bin/c.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use smallvec::alloc::collections::BTreeMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/bin/f.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         n: i64
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/bin/e.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         n: i64
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/bin/d.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         n: i64
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/bin/c.rs:34:24
[INFO] [stdout]    |
[INFO] [stdout] 34 |     u.sort_by_key(|&(k,v)| k);                  // 第二ソートキー
[INFO] [stdout]    |                        ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/bin/c.rs:35:22
[INFO] [stdout]    |
[INFO] [stdout] 35 |     u.sort_by_key(|&(k,v)| Reverse(v));         // 第一ソートキー
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source`
[INFO] [stdout]   --> src/bin/c.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let source = AutoSource::from("7
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "1dcd97595f1b3eb53873ae650293fcb49fefd2ae6d9a2c455d1bdcd812fbb046", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dcd97595f1b3eb53873ae650293fcb49fefd2ae6d9a2c455d1bdcd812fbb046", kill_on_drop: false }`
[INFO] [stdout] 1dcd97595f1b3eb53873ae650293fcb49fefd2ae6d9a2c455d1bdcd812fbb046
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9c9cab7c4d2bd5115123b9aa35693d049571564f08ca6a8743f27b00282614b1
[INFO] running `Command { std: "docker" "start" "-a" "9c9cab7c4d2bd5115123b9aa35693d049571564f08ca6a8743f27b00282614b1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/bin/f.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |         n: i64
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/bin/e.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |         n: i64
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/bin/d.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |         n: i64
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `smallvec::alloc::collections::BTreeMap`
[INFO] [stderr]   --> src/bin/c.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use smallvec::alloc::collections::BTreeMap;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]   --> src/bin/c.rs:34:24
[INFO] [stderr]    |
[INFO] [stderr] 34 |     u.sort_by_key(|&(k,v)| k);                  // 第二ソートキー
[INFO] [stderr]    |                        ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]   --> src/bin/c.rs:35:22
[INFO] [stderr]    |
[INFO] [stderr] 35 |     u.sort_by_key(|&(k,v)| Reverse(v));         // 第一ソートキー
[INFO] [stderr]    |                      ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `source`
[INFO] [stderr]   --> src/bin/c.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let source = AutoSource::from("7
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stderr] 
[INFO] [stderr] warning: `abc155` (bin "abc155-f" test) generated 1 warning
[INFO] [stderr] warning: `abc155` (bin "abc155-e" test) generated 1 warning
[INFO] [stderr] warning: `abc155` (bin "abc155-d" test) generated 1 warning
[INFO] [stderr] warning: `abc155` (bin "abc155-c" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/abc155_a-0af5ff8b461bbc67)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/abc155_b-b5489b91db3a5755)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/abc155_c-77a08805588b4201)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/abc155_d-a1e6d7cfc8a02458)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/abc155_e-2b0a267bd89064d6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/abc155_f-1a32a1a70c72c7ba)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9c9cab7c4d2bd5115123b9aa35693d049571564f08ca6a8743f27b00282614b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c9cab7c4d2bd5115123b9aa35693d049571564f08ca6a8743f27b00282614b1", kill_on_drop: false }`
[INFO] [stdout] 9c9cab7c4d2bd5115123b9aa35693d049571564f08ca6a8743f27b00282614b1