[INFO] cloning repository https://github.com/beatrizlaranjinha/super_mini_math_lib
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/beatrizlaranjinha/super_mini_math_lib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeatrizlaranjinha%2Fsuper_mini_math_lib", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeatrizlaranjinha%2Fsuper_mini_math_lib'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9751efd6f82637790fca05565aacd6045b1dad20
[INFO] checking beatrizlaranjinha/super_mini_math_lib against master#c756124775121dea0e640652c5ee3c89e3dd0eb4 for pr-154971-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeatrizlaranjinha%2Fsuper_mini_math_lib" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/beatrizlaranjinha/super_mini_math_lib
[INFO] finished tweaking git repo https://github.com/beatrizlaranjinha/super_mini_math_lib
[INFO] tweaked toml for git repo https://github.com/beatrizlaranjinha/super_mini_math_lib written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/beatrizlaranjinha/super_mini_math_lib on toolchain c756124775121dea0e640652c5ee3c89e3dd0eb4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c756124775121dea0e640652c5ee3c89e3dd0eb4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/beatrizlaranjinha/super_mini_math_lib 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" "+c756124775121dea0e640652c5ee3c89e3dd0eb4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bit-struct v0.3.2
[INFO] [stderr]   Downloaded rug v1.28.1
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.6.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+c756124775121dea0e640652c5ee3c89e3dd0eb4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9578f88c60549fe26c425cce49e788da5387b3217cbc9915358d83a641a9b701
[INFO] running `Command { std: "docker" "start" "-a" "9578f88c60549fe26c425cce49e788da5387b3217cbc9915358d83a641a9b701", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9578f88c60549fe26c425cce49e788da5387b3217cbc9915358d83a641a9b701", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9578f88c60549fe26c425cce49e788da5387b3217cbc9915358d83a641a9b701", kill_on_drop: false }`
[INFO] [stdout] 9578f88c60549fe26c425cce49e788da5387b3217cbc9915358d83a641a9b701
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+c756124775121dea0e640652c5ee3c89e3dd0eb4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5fd3d119c266feb5f1f68092b96f31313c834a69a06c04f7cba777ff70f7c76
[INFO] running `Command { std: "docker" "start" "-a" "b5fd3d119c266feb5f1f68092b96f31313c834a69a06c04f7cba777ff70f7c76", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.8
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling rug v1.28.1
[INFO] [stderr]    Compiling syn v2.0.116
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking bit-struct v0.3.2
[INFO] [stderr]     Checking super_mini_math_lib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `resto` is never read
[INFO] [stdout]   --> src/math.rs:52:21
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let mut resto = 0;
[INFO] [stdout]    |                     ^ this value is reassigned later and never used
[INFO] [stdout] 53 |     while b != 0 {
[INFO] [stdout] 54 |         resto = a % b;
[INFO] [stdout]    |         ------------- `resto` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `resto` is never read
[INFO] [stdout]   --> src/math.rs:52:21
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let mut resto = 0;
[INFO] [stdout]    |                     ^ this value is reassigned later and never used
[INFO] [stdout] 53 |     while b != 0 {
[INFO] [stdout] 54 |         resto = a % b;
[INFO] [stdout]    |         ------------- `resto` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bit_struct::u6`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bit_struct::u6;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bit_struct::u6`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bit_struct::u6;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4m 15s
[INFO] running `Command { std: "docker" "inspect" "b5fd3d119c266feb5f1f68092b96f31313c834a69a06c04f7cba777ff70f7c76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5fd3d119c266feb5f1f68092b96f31313c834a69a06c04f7cba777ff70f7c76", kill_on_drop: false }`
[INFO] [stdout] b5fd3d119c266feb5f1f68092b96f31313c834a69a06c04f7cba777ff70f7c76