[INFO] cloning repository https://github.com/Ethan-Arrowood/project-euler-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ethan-Arrowood/project-euler-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEthan-Arrowood%2Fproject-euler-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEthan-Arrowood%2Fproject-euler-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fae2e706f76be1c41486c2e9f69d653fbfc61c5e
[INFO] testing Ethan-Arrowood/project-euler-rust against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEthan-Arrowood%2Fproject-euler-rust" "/workspace/builds/worker-75/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-75/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ethan-Arrowood/project-euler-rust on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Ethan-Arrowood/project-euler-rust
[INFO] finished tweaking git repo https://github.com/Ethan-Arrowood/project-euler-rust
[INFO] tweaked toml for git repo https://github.com/Ethan-Arrowood/project-euler-rust written to /workspace/builds/worker-75/source/Cargo.toml
[INFO] crate git repo https://github.com/Ethan-Arrowood/project-euler-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89f843d753964eae3fa70f00bb321a8a37199df50bb32fbff49b3f6563f49d2d
[INFO] running `Command { std: "docker" "start" "-a" "89f843d753964eae3fa70f00bb321a8a37199df50bb32fbff49b3f6563f49d2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89f843d753964eae3fa70f00bb321a8a37199df50bb32fbff49b3f6563f49d2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89f843d753964eae3fa70f00bb321a8a37199df50bb32fbff49b3f6563f49d2d", kill_on_drop: false }`
[INFO] [stdout] 89f843d753964eae3fa70f00bb321a8a37199df50bb32fbff49b3f6563f49d2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57d2d56cbcbf529c47491845f193136303a22abc56421320dc2d28ed642e82ea
[INFO] running `Command { std: "docker" "start" "-a" "57d2d56cbcbf529c47491845f193136303a22abc56421320dc2d28ed642e82ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling mult_3_and_5 v0.1.0 (/opt/rustwide/workdir/mult_3_and_5)
[INFO] [stderr]    Compiling largest_prime_factor v0.1.0 (/opt/rustwide/workdir/largest_prime_factor)
[INFO] [stderr]    Compiling largest_palindrome_product v0.1.0 (/opt/rustwide/workdir/largest_palindrome_product)
[INFO] [stderr]    Compiling even_fib_nums v0.1.0 (/opt/rustwide/workdir/even_fib_nums)
[INFO] [stdout] warning: value assigned to `a` is never read
[INFO] [stdout]  --> even_fib_nums/src/main.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut a = 1;
[INFO] [stdout]   |             ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "57d2d56cbcbf529c47491845f193136303a22abc56421320dc2d28ed642e82ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57d2d56cbcbf529c47491845f193136303a22abc56421320dc2d28ed642e82ea", kill_on_drop: false }`
[INFO] [stdout] 57d2d56cbcbf529c47491845f193136303a22abc56421320dc2d28ed642e82ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8c2f67876fbacb7251fb843f9ea8342bbf925b4cabc51968e75126affd23216
[INFO] running `Command { std: "docker" "start" "-a" "c8c2f67876fbacb7251fb843f9ea8342bbf925b4cabc51968e75126affd23216", kill_on_drop: false }`
[INFO] [stderr]    Compiling even_fib_nums v0.1.0 (/opt/rustwide/workdir/even_fib_nums)
[INFO] [stderr]    Compiling largest_palindrome_product v0.1.0 (/opt/rustwide/workdir/largest_palindrome_product)
[INFO] [stderr]    Compiling largest_prime_factor v0.1.0 (/opt/rustwide/workdir/largest_prime_factor)
[INFO] [stderr]    Compiling mult_3_and_5 v0.1.0 (/opt/rustwide/workdir/mult_3_and_5)
[INFO] [stdout] warning: value assigned to `a` is never read
[INFO] [stdout]  --> even_fib_nums/src/main.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut a = 1;
[INFO] [stdout]   |             ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "c8c2f67876fbacb7251fb843f9ea8342bbf925b4cabc51968e75126affd23216", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8c2f67876fbacb7251fb843f9ea8342bbf925b4cabc51968e75126affd23216", kill_on_drop: false }`
[INFO] [stdout] c8c2f67876fbacb7251fb843f9ea8342bbf925b4cabc51968e75126affd23216
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 78c5f6eaf847cf37a7b222a52bb7d15b86d06214b3244fd76d549152a5b69374
[INFO] running `Command { std: "docker" "start" "-a" "78c5f6eaf847cf37a7b222a52bb7d15b86d06214b3244fd76d549152a5b69374", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `a` is never read
[INFO] [stderr]  --> even_fib_nums/src/main.rs:2:13
[INFO] [stderr]   |
[INFO] [stderr] 2 |     let mut a = 1;
[INFO] [stderr]   |             ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: `even_fib_nums` (bin "even_fib_nums" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/even_fib_nums-509874be2c9ddd1b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/largest_palindrome_product-9fe009755e95e1de)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/largest_prime_factor-350e342a7518d1b2)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mult_3_and_5-1c905242943f5dd6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "78c5f6eaf847cf37a7b222a52bb7d15b86d06214b3244fd76d549152a5b69374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78c5f6eaf847cf37a7b222a52bb7d15b86d06214b3244fd76d549152a5b69374", kill_on_drop: false }`
[INFO] [stdout] 78c5f6eaf847cf37a7b222a52bb7d15b86d06214b3244fd76d549152a5b69374