[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] testing AkihiroSasabe/hundred_problems against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAkihiroSasabe%2Fhundred_problems" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-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-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AkihiroSasabe/hundred_problems on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c093d250200911fdb083e3e9c1706b644e9ed68457d41040e2c2343953d45222
[INFO] running `Command { std: "docker" "start" "-a" "c093d250200911fdb083e3e9c1706b644e9ed68457d41040e2c2343953d45222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c093d250200911fdb083e3e9c1706b644e9ed68457d41040e2c2343953d45222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c093d250200911fdb083e3e9c1706b644e9ed68457d41040e2c2343953d45222", kill_on_drop: false }`
[INFO] [stdout] c093d250200911fdb083e3e9c1706b644e9ed68457d41040e2c2343953d45222
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Copt-level=3" "-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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ab64f3dd0e0f72cfe58b9d4cc06048e9638cca33bb72ef57758631b1f452ef6
[INFO] running `Command { std: "docker" "start" "-a" "2ab64f3dd0e0f72cfe58b9d4cc06048e9638cca33bb72ef57758631b1f452ef6", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling proconio v0.3.8
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling hundred_problems v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read `src/q067.rs`: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hundred_problems` (bin "q067") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: couldn't read `src/q062.rs`: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `src/q100.rs`: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hundred_problems` (bin "q100") due to 1 previous error
[INFO] [stdout] error: couldn't read `src/q094.rs`: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `src/q052.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] error: couldn't read `src/q046.rs`: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hundred_problems` (bin "q094") due to 1 previous error
[INFO] [stderr] error: could not compile `hundred_problems` (bin "q052") due to 1 previous error
[INFO] [stdout] error: couldn't read `src/q049.rs`: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hundred_problems` (bin "q049") due to 1 previous error
[INFO] [stdout] error: couldn't read `src/q007.rs`: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hundred_problems` (bin "q046") due to 1 previous error
[INFO] [stdout] error: couldn't read `src/q090.rs`: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `src/q030.rs`: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hundred_problems` (bin "q007") due to 1 previous error
[INFO] [stderr] error: could not compile `hundred_problems` (bin "q090") due to 1 previous error
[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 "q030") due to 1 previous error
[INFO] [stderr] error: could not compile `hundred_problems` (bin "q088") due to 1 previous error
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/q016.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |     if (a >= b) {
[INFO] [stdout]    |        ^      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 31 -     if (a >= b) {
[INFO] [stdout] 31 +     if a >= b {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` on by default
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2ab64f3dd0e0f72cfe58b9d4cc06048e9638cca33bb72ef57758631b1f452ef6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ab64f3dd0e0f72cfe58b9d4cc06048e9638cca33bb72ef57758631b1f452ef6", kill_on_drop: false }`
[INFO] [stdout] 2ab64f3dd0e0f72cfe58b9d4cc06048e9638cca33bb72ef57758631b1f452ef6
