[INFO] cloning repository https://github.com/helloooooo/book_algorithm_solutions
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/helloooooo/book_algorithm_solutions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhelloooooo%2Fbook_algorithm_solutions", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhelloooooo%2Fbook_algorithm_solutions'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a1bf0f675c5a113d761929c7fc3224cf8ee359b3
[INFO] checking helloooooo/book_algorithm_solutions against master#e1613686e0efc80a1a18b1263625450a8de3fb04 for pr-154492-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhelloooooo%2Fbook_algorithm_solutions" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/helloooooo/book_algorithm_solutions
[INFO] finished tweaking git repo https://github.com/helloooooo/book_algorithm_solutions
[INFO] tweaked toml for git repo https://github.com/helloooooo/book_algorithm_solutions written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/helloooooo/book_algorithm_solutions on toolchain e1613686e0efc80a1a18b1263625450a8de3fb04
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e1613686e0efc80a1a18b1263625450a8de3fb04" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/helloooooo/book_algorithm_solutions 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" "+e1613686e0efc80a1a18b1263625450a8de3fb04" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proconio v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+e1613686e0efc80a1a18b1263625450a8de3fb04" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd94dbd931bcda151af05154610e7f349d3cd0819bb44e72c79afce9211ca22b
[INFO] running `Command { std: "docker" "start" "-a" "cd94dbd931bcda151af05154610e7f349d3cd0819bb44e72c79afce9211ca22b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd94dbd931bcda151af05154610e7f349d3cd0819bb44e72c79afce9211ca22b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd94dbd931bcda151af05154610e7f349d3cd0819bb44e72c79afce9211ca22b", kill_on_drop: false }`
[INFO] [stdout] cd94dbd931bcda151af05154610e7f349d3cd0819bb44e72c79afce9211ca22b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+e1613686e0efc80a1a18b1263625450a8de3fb04" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 266ab169667961c0f0102dc0bf7c8c74074f7d8ddfa30c9159ca73ba15b3ffb0
[INFO] running `Command { std: "docker" "start" "-a" "266ab169667961c0f0102dc0bf7c8c74074f7d8ddfa30c9159ca73ba15b3ffb0", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking proconio v0.4.3
[INFO] [stderr]     Checking book_algorithm_solutions v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/chapter-3/sol-3-2.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |     if an[i] == n {
[INFO] [stdout]    |        -----    ^ expected `i32`, found `usize`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        expected because this is `i32`
[INFO] [stdout]    |
[INFO] [stdout] help: you can convert a `usize` to an `i32` and panic if the converted value doesn't fit
[INFO] [stdout]    |
[INFO] [stdout] 13 |     if an[i] == n.try_into().unwrap() {
[INFO] [stdout]    |                  ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/chapter-3/sol-3-2.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |     if an[i] == n {
[INFO] [stdout]    |        -----    ^ expected `i32`, found `usize`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        expected because this is `i32`
[INFO] [stdout]    |
[INFO] [stdout] help: you can convert a `usize` to an `i32` and panic if the converted value doesn't fit
[INFO] [stdout]    |
[INFO] [stdout] 13 |     if an[i] == n.try_into().unwrap() {
[INFO] [stdout]    |                  ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `book_algorithm_solutions` (bin "sol-3-2") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `book_algorithm_solutions` (bin "sol-3-2" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "266ab169667961c0f0102dc0bf7c8c74074f7d8ddfa30c9159ca73ba15b3ffb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "266ab169667961c0f0102dc0bf7c8c74074f7d8ddfa30c9159ca73ba15b3ffb0", kill_on_drop: false }`
[INFO] [stdout] 266ab169667961c0f0102dc0bf7c8c74074f7d8ddfa30c9159ca73ba15b3ffb0