[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#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEthan-Arrowood%2Fproject-euler-rust" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ethan-Arrowood/project-euler-rust on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-1/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23de2a4ffe82a13b1cc7adf1904111a160a61d9b71e9b36826e42e5ccddd5cca
[INFO] running `Command { std: "docker" "start" "-a" "23de2a4ffe82a13b1cc7adf1904111a160a61d9b71e9b36826e42e5ccddd5cca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23de2a4ffe82a13b1cc7adf1904111a160a61d9b71e9b36826e42e5ccddd5cca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23de2a4ffe82a13b1cc7adf1904111a160a61d9b71e9b36826e42e5ccddd5cca", kill_on_drop: false }`
[INFO] [stdout] 23de2a4ffe82a13b1cc7adf1904111a160a61d9b71e9b36826e42e5ccddd5cca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43b5f645dc79a5cfb093ac7822c095f81e9b2a9d5c110b587d327a7b7ae6b060
[INFO] running `Command { std: "docker" "start" "-a" "43b5f645dc79a5cfb093ac7822c095f81e9b2a9d5c110b587d327a7b7ae6b060", kill_on_drop: false }`
[INFO] [stderr]    Compiling mult_3_and_5 v0.1.0 (/opt/rustwide/workdir/mult_3_and_5)
[INFO] [stderr]    Compiling even_fib_nums v0.1.0 (/opt/rustwide/workdir/even_fib_nums)
[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] [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 0.92s
[INFO] running `Command { std: "docker" "inspect" "43b5f645dc79a5cfb093ac7822c095f81e9b2a9d5c110b587d327a7b7ae6b060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43b5f645dc79a5cfb093ac7822c095f81e9b2a9d5c110b587d327a7b7ae6b060", kill_on_drop: false }`
[INFO] [stdout] 43b5f645dc79a5cfb093ac7822c095f81e9b2a9d5c110b587d327a7b7ae6b060
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ddecefa51a97735ea3545c49af4836f1af0555489dcbd3979f06bd24e0c86b9
[INFO] running `Command { std: "docker" "start" "-a" "8ddecefa51a97735ea3545c49af4836f1af0555489dcbd3979f06bd24e0c86b9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [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] [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 1.50s
[INFO] running `Command { std: "docker" "inspect" "8ddecefa51a97735ea3545c49af4836f1af0555489dcbd3979f06bd24e0c86b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ddecefa51a97735ea3545c49af4836f1af0555489dcbd3979f06bd24e0c86b9", kill_on_drop: false }`
[INFO] [stdout] 8ddecefa51a97735ea3545c49af4836f1af0555489dcbd3979f06bd24e0c86b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b5c8ad72f162c892cd04b817f44742e35dc3d4652d8a417b7c8d3afe03bff685
[INFO] running `Command { std: "docker" "start" "-a" "b5c8ad72f162c892cd04b817f44742e35dc3d4652d8a417b7c8d3afe03bff685", 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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/even_fib_nums-037c6d6b71a3a17b)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/largest_palindrome_product-6f5fbd98738e7cd4)
[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-8ddba7ca308cf8f8)
[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_5-9ff1c5f5782b88b4)
[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] [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" "b5c8ad72f162c892cd04b817f44742e35dc3d4652d8a417b7c8d3afe03bff685", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5c8ad72f162c892cd04b817f44742e35dc3d4652d8a417b7c8d3afe03bff685", kill_on_drop: false }`
[INFO] [stdout] b5c8ad72f162c892cd04b817f44742e35dc3d4652d8a417b7c8d3afe03bff685