[INFO] cloning repository https://github.com/MarcusMichaud/Project_Euler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MarcusMichaud/Project_Euler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcusMichaud%2FProject_Euler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcusMichaud%2FProject_Euler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d4d43b6360252a360017d089c16b81ed155cc88a
[INFO] checking MarcusMichaud/Project_Euler against try#db4e1d23234d93b5e96ecc768b35d9090c32cddf for pr-149901
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcusMichaud%2FProject_Euler" "/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/MarcusMichaud/Project_Euler
[INFO] finished tweaking git repo https://github.com/MarcusMichaud/Project_Euler
[INFO] tweaked toml for git repo https://github.com/MarcusMichaud/Project_Euler written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MarcusMichaud/Project_Euler on toolchain db4e1d23234d93b5e96ecc768b35d9090c32cddf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/MarcusMichaud/Project_Euler 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" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d50faa9140caa416537559c6806b70f7692868b591ebf95f16982db89895d00b
[INFO] running `Command { std: "docker" "start" "-a" "d50faa9140caa416537559c6806b70f7692868b591ebf95f16982db89895d00b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d50faa9140caa416537559c6806b70f7692868b591ebf95f16982db89895d00b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d50faa9140caa416537559c6806b70f7692868b591ebf95f16982db89895d00b", kill_on_drop: false }`
[INFO] [stdout] d50faa9140caa416537559c6806b70f7692868b591ebf95f16982db89895d00b
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79e189ece6d4dafe7ca8380883520af932795df7f5c53d96a9f23fb44be69f09
[INFO] running `Command { std: "docker" "start" "-a" "79e189ece6d4dafe7ca8380883520af932795df7f5c53d96a9f23fb44be69f09", kill_on_drop: false }`
[INFO] [stderr]     Checking pe-001 v0.1.0 (/opt/rustwide/workdir/pe-001)
[INFO] [stderr]     Checking pe-002 v0.1.0 (/opt/rustwide/workdir/pe-002)
[INFO] [stderr]     Checking pe-004 v0.1.0 (/opt/rustwide/workdir/pe-004)
[INFO] [stderr]     Checking pe-006 v0.1.0 (/opt/rustwide/workdir/pe-006)
[INFO] [stderr]     Checking pe-008 v0.1.0 (/opt/rustwide/workdir/pe-008)
[INFO] [stderr]     Checking pe-013 v0.1.0 (/opt/rustwide/workdir/pe-013)
[INFO] [stdout] warning: variable `count` is assigned to, but never used
[INFO] [stdout]   --> pe-002/src/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut count: i32 = 0;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_count` instead
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> pe-002/src/main.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout]  1 | #![warn(unused_variables)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `count` is never read
[INFO] [stdout]   --> pe-002/src/main.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |             count += n;
[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: variable `count` is assigned to, but never used
[INFO] [stdout]   --> pe-002/src/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut count: i32 = 0;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_count` instead
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> pe-002/src/main.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout]  1 | #![warn(unused_variables)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `count` is never read
[INFO] [stdout]   --> pe-002/src/main.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |             count += n;
[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] [stderr]     Checking pe-014 v0.1.0 (/opt/rustwide/workdir/pe-014)
[INFO] [stdout] warning: unused variable: `numbers`
[INFO] [stdout]  --> pe-013/src/main.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let numbers = include_str!("pe-013-input.txt")
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_numbers`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `numbers`
[INFO] [stdout]  --> pe-013/src/main.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let numbers = include_str!("pe-013-input.txt")
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_numbers`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "79e189ece6d4dafe7ca8380883520af932795df7f5c53d96a9f23fb44be69f09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79e189ece6d4dafe7ca8380883520af932795df7f5c53d96a9f23fb44be69f09", kill_on_drop: false }`
[INFO] [stdout] 79e189ece6d4dafe7ca8380883520af932795df7f5c53d96a9f23fb44be69f09