[INFO] cloning repository https://github.com/danielgak/collatz_conjecture
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danielgak/collatz_conjecture" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielgak%2Fcollatz_conjecture", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielgak%2Fcollatz_conjecture'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0432939a3455a494e1f2e75848aad163f3aafbeb
[INFO] checking danielgak/collatz_conjecture against try#987a165cfab916796a8315782b83ac460a651ce2 for pr-145262
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielgak%2Fcollatz_conjecture" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/danielgak/collatz_conjecture
[INFO] finished tweaking git repo https://github.com/danielgak/collatz_conjecture
[INFO] tweaked toml for git repo https://github.com/danielgak/collatz_conjecture written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/danielgak/collatz_conjecture on toolchain 987a165cfab916796a8315782b83ac460a651ce2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/danielgak/collatz_conjecture 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" "+987a165cfab916796a8315782b83ac460a651ce2" "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
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "3dcf8e8b54630965e6caedfc93ee30309ef5a9ef4cfc1c5c69a4808e4918d8ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3dcf8e8b54630965e6caedfc93ee30309ef5a9ef4cfc1c5c69a4808e4918d8ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dcf8e8b54630965e6caedfc93ee30309ef5a9ef4cfc1c5c69a4808e4918d8ba", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c200208eb87d6603b4b6afb8a4ce2777b63983bb4e4b5004bd28444f3f5617d
[INFO] running `Command { std: "docker" "start" "-a" "8c200208eb87d6603b4b6afb8a4ce2777b63983bb4e4b5004bd28444f3f5617d", kill_on_drop: false }`
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[INFO] [stderr]     Checking collatz_conjecture v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/version_2.rs:18:38
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn run_steps_until_reaching_base(mut proven_base: &BigUint) -> BigUint {
[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] [stdout] warning: function `isEven` should have a snake case name
[INFO] [stdout]   --> src/version_2.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn isEven(n: &BigUint) -> bool {
[INFO] [stdout]    |        ^^^^^^ help: convert the identifier to snake case: `is_even`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling clap_derive v4.5.28
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]     Checking clap v4.5.31
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[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/version_2.rs:18:38
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn run_steps_until_reaching_base(mut proven_base: &BigUint) -> BigUint {
[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] [stdout] warning: function `isEven` should have a snake case name
[INFO] [stdout]   --> src/version_2.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn isEven(n: &BigUint) -> bool {
[INFO] [stdout]    |        ^^^^^^ help: convert the identifier to snake case: `is_even`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 48.29s
[INFO] running `Command { std: "docker" "inspect" "8c200208eb87d6603b4b6afb8a4ce2777b63983bb4e4b5004bd28444f3f5617d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c200208eb87d6603b4b6afb8a4ce2777b63983bb4e4b5004bd28444f3f5617d", kill_on_drop: false }`
[INFO] [stdout] 8c200208eb87d6603b4b6afb8a4ce2777b63983bb4e4b5004bd28444f3f5617d
