[INFO] cloning repository https://github.com/kayew/twelve-problems-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kayew/twelve-problems-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkayew%2Ftwelve-problems-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkayew%2Ftwelve-problems-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d08d29f0a745bdd9135745b41ea9e9fc7ec2a58
[INFO] testing kayew/twelve-problems-rs against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkayew%2Ftwelve-problems-rs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kayew/twelve-problems-rs
[INFO] finished tweaking git repo https://github.com/kayew/twelve-problems-rs
[INFO] tweaked toml for git repo https://github.com/kayew/twelve-problems-rs written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kayew/twelve-problems-rs on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kayew/twelve-problems-rs 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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 672964480d628ba7b3c8dceec16cc8129bfb2df6f33b5ed58acbd81ec6386c82
[INFO] running `Command { std: "docker" "start" "-a" "672964480d628ba7b3c8dceec16cc8129bfb2df6f33b5ed58acbd81ec6386c82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "672964480d628ba7b3c8dceec16cc8129bfb2df6f33b5ed58acbd81ec6386c82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "672964480d628ba7b3c8dceec16cc8129bfb2df6f33b5ed58acbd81ec6386c82", kill_on_drop: false }`
[INFO] [stdout] 672964480d628ba7b3c8dceec16cc8129bfb2df6f33b5ed58acbd81ec6386c82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0833eff64ea56270fc1db1ca1790389b1e0456d4f7052401775a84f84ec3f29e
[INFO] running `Command { std: "docker" "start" "-a" "0833eff64ea56270fc1db1ca1790389b1e0456d4f7052401775a84f84ec3f29e", kill_on_drop: false }`
[INFO] [stderr]    Compiling twelve_problems_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `double_double` is never used
[INFO] [stdout]    --> src/lib.rs:135:8
[INFO] [stdout]     |
[INFO] [stdout] 135 | pub fn double_double(input: Vec<&str>) -> Vec<&str> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `three_character_strings` is never used
[INFO] [stdout]    --> src/lib.rs:151:8
[INFO] [stdout]     |
[INFO] [stdout] 151 | pub fn three_character_strings(input: &str) -> Vec<&str> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "0833eff64ea56270fc1db1ca1790389b1e0456d4f7052401775a84f84ec3f29e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0833eff64ea56270fc1db1ca1790389b1e0456d4f7052401775a84f84ec3f29e", kill_on_drop: false }`
[INFO] [stdout] 0833eff64ea56270fc1db1ca1790389b1e0456d4f7052401775a84f84ec3f29e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93ec8c1c717637580b5a057f53cbf8ec65b3b0c0b4b50fe23f4c49a3e2ec6876
[INFO] running `Command { std: "docker" "start" "-a" "93ec8c1c717637580b5a057f53cbf8ec65b3b0c0b4b50fe23f4c49a3e2ec6876", kill_on_drop: false }`
[INFO] [stderr]    Compiling twelve_problems_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "93ec8c1c717637580b5a057f53cbf8ec65b3b0c0b4b50fe23f4c49a3e2ec6876", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93ec8c1c717637580b5a057f53cbf8ec65b3b0c0b4b50fe23f4c49a3e2ec6876", kill_on_drop: false }`
[INFO] [stdout] 93ec8c1c717637580b5a057f53cbf8ec65b3b0c0b4b50fe23f4c49a3e2ec6876
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 81babb6ca503b093be47b9c7fe09189810d609b9a49358f5b45c4d1e29aec131
[INFO] running `Command { std: "docker" "start" "-a" "81babb6ca503b093be47b9c7fe09189810d609b9a49358f5b45c4d1e29aec131", kill_on_drop: false }`
[INFO] [stderr] warning: found module declaration for lib.rs
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | mod lib;
[INFO] [stderr]   | ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: lib.rs is the root of this crate's library target
[INFO] [stderr]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stderr]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `twelve_problems_rust` (bin "twelve_problems_rust" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/twelve_problems_rust-160852676efbeace)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::test_distance_from_origin ... ok
[INFO] [stdout] test tests::test_double_double ... ok
[INFO] [stdout] test tests::test_ends_with_uppercase_letter ... ok
[INFO] [stdout] test tests::test_second_digit_5 ... ok
[INFO] [stdout] test tests::test_pow ... ok
[INFO] [stdout] test tests::test_three_characer_strings ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/twelve_problems_rust-4d12a9cccbb27276)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test lib::tests::test_distance_from_origin ... ok
[INFO] [stdout] test lib::tests::test_pow ... ok
[INFO] [stdout] test lib::tests::test_ends_with_uppercase_letter ... ok
[INFO] [stdout] test lib::tests::test_three_characer_strings ... ok
[INFO] [stdout] test lib::tests::test_second_digit_5 ... ok
[INFO] [stdout] test lib::tests::test_double_double ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests twelve_problems_rust
[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" "81babb6ca503b093be47b9c7fe09189810d609b9a49358f5b45c4d1e29aec131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81babb6ca503b093be47b9c7fe09189810d609b9a49358f5b45c4d1e29aec131", kill_on_drop: false }`
[INFO] [stdout] 81babb6ca503b093be47b9c7fe09189810d609b9a49358f5b45c4d1e29aec131