[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#da2544bfbe84df7b24d83c029c74299ebf6112c6 for pr-149681
[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 da2544bfbe84df7b24d83c029c74299ebf6112c6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+da2544bfbe84df7b24d83c029c74299ebf6112c6" "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" "+da2544bfbe84df7b24d83c029c74299ebf6112c6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+da2544bfbe84df7b24d83c029c74299ebf6112c6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d18275f129e1ed3b4c5f3fec7e968bbaa810684fa3593bcccc9bfa7ad6c774ac
[INFO] running `Command { std: "docker" "start" "-a" "d18275f129e1ed3b4c5f3fec7e968bbaa810684fa3593bcccc9bfa7ad6c774ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d18275f129e1ed3b4c5f3fec7e968bbaa810684fa3593bcccc9bfa7ad6c774ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d18275f129e1ed3b4c5f3fec7e968bbaa810684fa3593bcccc9bfa7ad6c774ac", kill_on_drop: false }`
[INFO] [stdout] d18275f129e1ed3b4c5f3fec7e968bbaa810684fa3593bcccc9bfa7ad6c774ac
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+da2544bfbe84df7b24d83c029c74299ebf6112c6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 274e2a857276b89202d1ac9d0c89dc9f5f4820ee10ba3acb624de7dfdd3ccc6d
[INFO] running `Command { std: "docker" "start" "-a" "274e2a857276b89202d1ac9d0c89dc9f5f4820ee10ba3acb624de7dfdd3ccc6d", kill_on_drop: false }`
[INFO] [stderr]     Checking proconio v0.3.8
[INFO] [stderr]     Checking hundred_problems v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read `src/q053.rs`: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `src/q054.rs`: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/q017.rs:104:57
[INFO] [stdout]     |
[INFO] [stdout] 104 |         let rc_i: Vec<usize> = rc_i.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] 104 -         let rc_i: Vec<usize> = rc_i.into_iter().map(|j| (j.parse().expect("変換エラー"))).collect();
[INFO] [stdout] 104 +         let rc_i: Vec<usize> = rc_i.into_iter().map(|j| j.parse().expect("変換エラー")).collect();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `src/q088.rs`: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `src/q046.rs`: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `src/q083.rs`: No such file or directory (os error 2)
[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 `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] [stdout] error: couldn't read `src/q096.rs`: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `src/q023.rs`: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hundred_problems` (bin "q054" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/q015.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let mut average_distance = total_distance / factorial(n as isize) as f64;
[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] [stderr] error: could not compile `hundred_problems` (bin "q088" test) due to 1 previous error
[INFO] [stderr] error: could not compile `hundred_problems` (bin "q096" test) due to 1 previous error
[INFO] [stderr] error: could not compile `hundred_problems` (bin "q083") due to 1 previous error
[INFO] [stderr] error: could not compile `hundred_problems` (bin "q046") due to 1 previous error
[INFO] [stderr] error: could not compile `hundred_problems` (bin "q053") due to 1 previous error
[INFO] [stdout] warning: variable `an_min` is assigned to, but never used
[INFO] [stdout]   --> src/q005.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut an_min = 0;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_an_min` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `bn_min` is assigned to, but never used
[INFO] [stdout]   --> src/q005.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut bn_min = 0;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_bn_min` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cn_min` is assigned to, but never used
[INFO] [stdout]   --> src/q005.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut cn_min = 0;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_cn_min` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `an_min` is never read
[INFO] [stdout]   --> src/q005.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |             an_min = an;
[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 `bn_min` is never read
[INFO] [stdout]   --> src/q005.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |             bn_min = bn;
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cn_min` is never read
[INFO] [stdout]   --> src/q005.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |             cn_min = cn;
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hundred_problems` (bin "q023" test) due to 1 previous error
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/q017.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |     for i in 0..k {
[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] error: couldn't read `src/q062.rs`: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hundred_problems` (bin "q062") due to 1 previous error
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/q035.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     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] running `Command { std: "docker" "inspect" "274e2a857276b89202d1ac9d0c89dc9f5f4820ee10ba3acb624de7dfdd3ccc6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "274e2a857276b89202d1ac9d0c89dc9f5f4820ee10ba3acb624de7dfdd3ccc6d", kill_on_drop: false }`
[INFO] [stdout] 274e2a857276b89202d1ac9d0c89dc9f5f4820ee10ba3acb624de7dfdd3ccc6d
