[INFO] cloning repository https://github.com/flyingcakes85/fizzbuzz-overengineered [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flyingcakes85/fizzbuzz-overengineered" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflyingcakes85%2Ffizzbuzz-overengineered", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflyingcakes85%2Ffizzbuzz-overengineered'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a9e93dce049bd166976c354b1bf08fad9ca5acc9 [INFO] testing flyingcakes85/fizzbuzz-overengineered against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflyingcakes85%2Ffizzbuzz-overengineered" "/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/flyingcakes85/fizzbuzz-overengineered [INFO] finished tweaking git repo https://github.com/flyingcakes85/fizzbuzz-overengineered [INFO] tweaked toml for git repo https://github.com/flyingcakes85/fizzbuzz-overengineered written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/flyingcakes85/fizzbuzz-overengineered on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/flyingcakes85/fizzbuzz-overengineered 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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 [ERROR] error running command: no output for 300 seconds [INFO] testing flyingcakes85/fizzbuzz-overengineered against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflyingcakes85%2Ffizzbuzz-overengineered" "/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/flyingcakes85/fizzbuzz-overengineered [INFO] finished tweaking git repo https://github.com/flyingcakes85/fizzbuzz-overengineered [INFO] tweaked toml for git repo https://github.com/flyingcakes85/fizzbuzz-overengineered written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/flyingcakes85/fizzbuzz-overengineered on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/flyingcakes85/fizzbuzz-overengineered 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bd9e098ae8f26deab180e4766584a63657d89a74c26f03f386dc083081b2fa5b [INFO] running `Command { std: "docker" "start" "-a" "bd9e098ae8f26deab180e4766584a63657d89a74c26f03f386dc083081b2fa5b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bd9e098ae8f26deab180e4766584a63657d89a74c26f03f386dc083081b2fa5b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd9e098ae8f26deab180e4766584a63657d89a74c26f03f386dc083081b2fa5b", kill_on_drop: false }` [INFO] [stdout] bd9e098ae8f26deab180e4766584a63657d89a74c26f03f386dc083081b2fa5b [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 915d00731392bddea623c35566494283414bcc2d80adf7cef46024d6f4d34895 [INFO] running `Command { std: "docker" "start" "-a" "915d00731392bddea623c35566494283414bcc2d80adf7cef46024d6f4d34895", kill_on_drop: false }` [INFO] [stderr] Compiling fizzbuzz v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `data_length` [INFO] [stdout] --> src/fizzbuzz.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let data_length = program_data.nums.len(); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_length` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `lower_limit` [INFO] [stdout] --> src/fizzbuzz.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let lower_limit = lower_limit.unwrap(); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lower_limit` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `upper_limit` [INFO] [stdout] --> src/fizzbuzz.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let upper_limit = upper_limit.unwrap(); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_upper_limit` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `fizzbuzz` is never used [INFO] [stdout] --> src/fizzbuzz.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn fizzbuzz(program_data: ProgramData, lower_limit: Option, upper_limit: Option) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s [INFO] running `Command { std: "docker" "inspect" "915d00731392bddea623c35566494283414bcc2d80adf7cef46024d6f4d34895", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "915d00731392bddea623c35566494283414bcc2d80adf7cef46024d6f4d34895", kill_on_drop: false }` [INFO] [stdout] 915d00731392bddea623c35566494283414bcc2d80adf7cef46024d6f4d34895 [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bfc54169a1cd756bb50b6ae7164012e97971756fc90c20be1c26b25f6001e778 [INFO] running `Command { std: "docker" "start" "-a" "bfc54169a1cd756bb50b6ae7164012e97971756fc90c20be1c26b25f6001e778", kill_on_drop: false }` [INFO] [stderr] Compiling fizzbuzz v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `data_length` [INFO] [stdout] --> src/fizzbuzz.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let data_length = program_data.nums.len(); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_length` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `lower_limit` [INFO] [stdout] --> src/fizzbuzz.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let lower_limit = lower_limit.unwrap(); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lower_limit` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `upper_limit` [INFO] [stdout] --> src/fizzbuzz.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let upper_limit = upper_limit.unwrap(); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_upper_limit` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `fizzbuzz` is never used [INFO] [stdout] --> src/fizzbuzz.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn fizzbuzz(program_data: ProgramData, lower_limit: Option, upper_limit: Option) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s [INFO] running `Command { std: "docker" "inspect" "bfc54169a1cd756bb50b6ae7164012e97971756fc90c20be1c26b25f6001e778", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bfc54169a1cd756bb50b6ae7164012e97971756fc90c20be1c26b25f6001e778", kill_on_drop: false }` [INFO] [stdout] bfc54169a1cd756bb50b6ae7164012e97971756fc90c20be1c26b25f6001e778 [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e1c2e358d8b62f52ddd6c8753abc7fae4694c89d9ed9178fff6e8d6c1f2bd045 [INFO] running `Command { std: "docker" "start" "-a" "e1c2e358d8b62f52ddd6c8753abc7fae4694c89d9ed9178fff6e8d6c1f2bd045", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `data_length` [INFO] [stderr] --> src/fizzbuzz.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | let data_length = program_data.nums.len(); [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_length` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `lower_limit` [INFO] [stderr] --> src/fizzbuzz.rs:16:9 [INFO] [stderr] | [INFO] [stderr] 16 | let lower_limit = lower_limit.unwrap(); [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lower_limit` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `upper_limit` [INFO] [stderr] --> src/fizzbuzz.rs:17:9 [INFO] [stderr] | [INFO] [stderr] 17 | let upper_limit = upper_limit.unwrap(); [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_upper_limit` [INFO] [stderr] [INFO] [stderr] warning: function `fizzbuzz` is never used [INFO] [stderr] --> src/fizzbuzz.rs:5:8 [INFO] [stderr] | [INFO] [stderr] 5 | pub fn fizzbuzz(program_data: ProgramData, lower_limit: Option, upper_limit: Option) { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `fizzbuzz` (bin "fizzbuzz" test) generated 4 warnings (run `cargo fix --bin "fizzbuzz" -p fizzbuzz --tests` to apply 3 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/fizzbuzz-cfa4501376d7c4bb) [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" "e1c2e358d8b62f52ddd6c8753abc7fae4694c89d9ed9178fff6e8d6c1f2bd045", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1c2e358d8b62f52ddd6c8753abc7fae4694c89d9ed9178fff6e8d6c1f2bd045", kill_on_drop: false }` [INFO] [stdout] e1c2e358d8b62f52ddd6c8753abc7fae4694c89d9ed9178fff6e8d6c1f2bd045