[INFO] cloning repository https://github.com/AkihiroSasabe/hundred_problems
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AkihiroSasabe/hundred_problems" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAkihiroSasabe%2Fhundred_problems", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAkihiroSasabe%2Fhundred_problems'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 88082c97e72cd9e737bf18b6dbad5841efb90923
[INFO] checking AkihiroSasabe/hundred_problems against master#04ff05c9c0cfbca33115c5f1b8bb20a66a54b799 for pr-147834
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAkihiroSasabe%2Fhundred_problems" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AkihiroSasabe/hundred_problems
[INFO] finished tweaking git repo https://github.com/AkihiroSasabe/hundred_problems
[INFO] tweaked toml for git repo https://github.com/AkihiroSasabe/hundred_problems written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AkihiroSasabe/hundred_problems on toolchain 04ff05c9c0cfbca33115c5f1b8bb20a66a54b799
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AkihiroSasabe/hundred_problems already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "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 proconio v0.3.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6822fe7674f43d0c3b9597c5ded9898ee4afd1c0dfdf9950f2e073e1fbc9bdf
[INFO] running `Command { std: "docker" "start" "-a" "d6822fe7674f43d0c3b9597c5ded9898ee4afd1c0dfdf9950f2e073e1fbc9bdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6822fe7674f43d0c3b9597c5ded9898ee4afd1c0dfdf9950f2e073e1fbc9bdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6822fe7674f43d0c3b9597c5ded9898ee4afd1c0dfdf9950f2e073e1fbc9bdf", kill_on_drop: false }`
[INFO] [stdout] d6822fe7674f43d0c3b9597c5ded9898ee4afd1c0dfdf9950f2e073e1fbc9bdf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdef8127abad27f81c43f1c7ace41b3254394d51c058fcd58a1182fb76407401
[INFO] running `Command { std: "docker" "start" "-a" "cdef8127abad27f81c43f1c7ace41b3254394d51c058fcd58a1182fb76407401", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking proconio v0.3.8
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking hundred_problems v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read `src/q039.rs`: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `src/q066.rs`: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hundred_problems` (bin "q066") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: couldn't read `src/q078.rs`: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hundred_problems` (bin "q078" test) due to 1 previous error
[INFO] [stdout] error: couldn't read `src/q077.rs`: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `src/q075.rs`: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hundred_problems` (bin "q075") due to 1 previous error
[INFO] [stdout] error: couldn't read `src/q080.rs`: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]   --> src/q020.rs:31:15
[INFO] [stdout]    |
[INFO] [stdout] 31 |         while (a_max != a_min) {
[INFO] [stdout]    |               ^              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 31 -         while (a_max != a_min) {
[INFO] [stdout] 31 +         while a_max != a_min  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]   --> src/q020.rs:43:15
[INFO] [stdout]    |
[INFO] [stdout] 43 |         while (c_max != c_min) {
[INFO] [stdout]    |               ^              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 43 -         while (c_max != c_min) {
[INFO] [stdout] 43 +         while c_max != c_min  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hundred_problems` (bin "q080" test) due to 1 previous error
[INFO] [stdout] error: couldn't read `src/q060.rs`: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `src/q081.rs`: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hundred_problems` (bin "q077") due to 1 previous error
[INFO] [stdout] error: couldn't read `src/q072.rs`: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hundred_problems` (bin "q081") due to 1 previous error
[INFO] [stdout] error: couldn't read `src/q055.rs`: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hundred_problems` (bin "q039" test) due to 1 previous error
[INFO] [stderr] error: could not compile `hundred_problems` (bin "q060") due to 1 previous error
[INFO] [stderr] error: could not compile `hundred_problems` (bin "q072" test) due to 1 previous error
[INFO] [stderr] error: could not compile `hundred_problems` (bin "q055" test) due to 1 previous error
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/q010.rs:22:47
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let a: Vec<usize> = a.into_iter().map(|i| (i.parse().expect("変換エラー"))).collect();
[INFO] [stdout]    |                                               ^                              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 22 -     let a: Vec<usize> = a.into_iter().map(|i| (i.parse().expect("変換エラー"))).collect();
[INFO] [stdout] 22 +     let a: Vec<usize> = a.into_iter().map(|i| i.parse().expect("変換エラー")).collect();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/q010.rs:33:47
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let m: Vec<usize> = m.into_iter().map(|i| (i.parse().expect("変換エラー"))).collect();
[INFO] [stdout]    |                                               ^                              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 33 -     let m: Vec<usize> = m.into_iter().map(|i| (i.parse().expect("変換エラー"))).collect();
[INFO] [stdout] 33 +     let m: Vec<usize> = m.into_iter().map(|i| i.parse().expect("変換エラー")).collect();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/q010.rs:44:16
[INFO] [stdout]    |
[INFO] [stdout] 44 |             if (bit & (1_usize << i) == (1_usize << i)) {
[INFO] [stdout]    |                ^                                      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 44 -             if (bit & (1_usize << i) == (1_usize << i)) {
[INFO] [stdout] 44 +             if bit & (1_usize << i) == (1_usize << i) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/q018.rs:13:47
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let s: Vec<usize> = s.into_iter().map(|j| (j.parse().expect("変換エラー"))).collect();
[INFO] [stdout]    |                                               ^                              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 13 -     let s: Vec<usize> = s.into_iter().map(|j| (j.parse().expect("変換エラー"))).collect();
[INFO] [stdout] 13 +     let s: Vec<usize> = s.into_iter().map(|j| j.parse().expect("変換エラー") ).collect();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/q018.rs:23:47
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let t: Vec<usize> = t.into_iter().map(|j| (j.parse().expect("変換エラー"))).collect();
[INFO] [stdout]    |                                               ^                              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 23 -     let t: Vec<usize> = t.into_iter().map(|j| (j.parse().expect("変換エラー"))).collect();
[INFO] [stdout] 23 +     let t: Vec<usize> = t.into_iter().map(|j| j.parse().expect("変換エラー") ).collect();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]   --> src/q018.rs:34:15
[INFO] [stdout]    |
[INFO] [stdout] 34 |         while (min <= max) {
[INFO] [stdout]    |               ^          ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 34 -         while (min <= max) {
[INFO] [stdout] 34 +         while min <= max  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/q036.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     for i in 0..n {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/q018.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |             let mut mid = (min + max) / 2;
[INFO] [stdout]    |                 ----^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]  --> src/q018.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let n: usize = n.trim().parse().expect("変換エラー");
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `q`
[INFO] [stdout]   --> src/q018.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let q: usize = q.trim().parse().expect("変換エラー");
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_q`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `max_i` is assigned to, but never used
[INFO] [stdout]   --> src/q004.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut max_i=0;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_max_i` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `max_j` is assigned to, but never used
[INFO] [stdout]   --> src/q004.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut max_j=1;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_max_j` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `max_i` is never read
[INFO] [stdout]   --> src/q004.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 max_i = i;
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `max_j` is never read
[INFO] [stdout]   --> src/q004.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 max_j = j;
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cdef8127abad27f81c43f1c7ace41b3254394d51c058fcd58a1182fb76407401", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdef8127abad27f81c43f1c7ace41b3254394d51c058fcd58a1182fb76407401", kill_on_drop: false }`
[INFO] [stdout] cdef8127abad27f81c43f1c7ace41b3254394d51c058fcd58a1182fb76407401
