[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 try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAkihiroSasabe%2Fhundred_problems" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AkihiroSasabe/hundred_problems on toolchain 438eb4c1a1c3841523d7f672601e8adbe04cff28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "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" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 659c390e543c44eae93cc28c6aa4ad4e104b901a6ce72319ef7fef9f9c1ab641
[INFO] running `Command { std: "docker" "start" "-a" "659c390e543c44eae93cc28c6aa4ad4e104b901a6ce72319ef7fef9f9c1ab641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "659c390e543c44eae93cc28c6aa4ad4e104b901a6ce72319ef7fef9f9c1ab641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "659c390e543c44eae93cc28c6aa4ad4e104b901a6ce72319ef7fef9f9c1ab641", kill_on_drop: false }`
[INFO] [stdout] 659c390e543c44eae93cc28c6aa4ad4e104b901a6ce72319ef7fef9f9c1ab641
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a72f89e3c9a42c449c7a2eca5af97df332ea2cb019914b04c2e31fe7ebd9709
[INFO] running `Command { std: "docker" "start" "-a" "3a72f89e3c9a42c449c7a2eca5af97df332ea2cb019914b04c2e31fe7ebd9709", kill_on_drop: false }`
[INFO] [stderr]     Checking itertools v0.10.3
[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/q058.rs`: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[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/q086.rs`: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `src/q087.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/q050.rs`: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `src/q091.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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: couldn't read `src/q054.rs`: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hundred_problems` (bin "q058" test) due to 1 previous error
[INFO] [stderr] error: could not compile `hundred_problems` (bin "q086") due to 1 previous error
[INFO] [stderr] error: could not compile `hundred_problems` (bin "q087" test) due to 1 previous error
[INFO] [stderr] error: could not compile `hundred_problems` (bin "q091") due to 1 previous error
[INFO] [stderr] error: could not compile `hundred_problems` (bin "q050" test) due to 1 previous error
[INFO] [stderr] error: could not compile `hundred_problems` (bin "q054" test) due to 1 previous error
[INFO] [stderr] error: could not compile `hundred_problems` (bin "q046") due to 1 previous error
[INFO] [stdout] error: couldn't read `src/q065.rs`: No such file or directory (os error 2)
[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] [stderr] error: could not compile `hundred_problems` (bin "q065" test) due to 1 previous error
[INFO] [stdout] error: couldn't read `src/q031.rs`: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hundred_problems` (bin "q088") due to 1 previous error
[INFO] [stdout] error: couldn't read `src/q047.rs`: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hundred_problems` (bin "q031") due to 1 previous error
[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] [stderr] error: could not compile `hundred_problems` (bin "q047" test) due to 1 previous error
[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] 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] [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: unused variable: `i`
[INFO] [stdout]   --> src/q038.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     for i in 0..q {
[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" "3a72f89e3c9a42c449c7a2eca5af97df332ea2cb019914b04c2e31fe7ebd9709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a72f89e3c9a42c449c7a2eca5af97df332ea2cb019914b04c2e31fe7ebd9709", kill_on_drop: false }`
[INFO] [stdout] 3a72f89e3c9a42c449c7a2eca5af97df332ea2cb019914b04c2e31fe7ebd9709
