[INFO] cloning repository https://github.com/fluff-li/RoMaterials_csv_calculator [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fluff-li/RoMaterials_csv_calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffluff-li%2FRoMaterials_csv_calculator", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffluff-li%2FRoMaterials_csv_calculator'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 77eedf4da0e9fd52d30ad88b883c3a6c336632cb [INFO] checking fluff-li/RoMaterials_csv_calculator against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffluff-li%2FRoMaterials_csv_calculator" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/fluff-li/RoMaterials_csv_calculator [INFO] finished tweaking git repo https://github.com/fluff-li/RoMaterials_csv_calculator [INFO] tweaked toml for git repo https://github.com/fluff-li/RoMaterials_csv_calculator written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/fluff-li/RoMaterials_csv_calculator on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/fluff-li/RoMaterials_csv_calculator 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4e185e432d37fab4cd6f600fb9f7df1543d98f294505fbf3a4ce6fcbcbe21b60 [INFO] running `Command { std: "docker" "start" "-a" "4e185e432d37fab4cd6f600fb9f7df1543d98f294505fbf3a4ce6fcbcbe21b60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4e185e432d37fab4cd6f600fb9f7df1543d98f294505fbf3a4ce6fcbcbe21b60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e185e432d37fab4cd6f600fb9f7df1543d98f294505fbf3a4ce6fcbcbe21b60", kill_on_drop: false }` [INFO] [stdout] 4e185e432d37fab4cd6f600fb9f7df1543d98f294505fbf3a4ce6fcbcbe21b60 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c96fc5302c69b41463b71c0d22ebf6f03d2d084c8c13089a33c2c9f8943ea1dd [INFO] running `Command { std: "docker" "start" "-a" "c96fc5302c69b41463b71c0d22ebf6f03d2d084c8c13089a33c2c9f8943ea1dd", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.188 [INFO] [stderr] Checking memchr v2.6.3 [INFO] [stderr] Checking ryu v1.0.15 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking csv v1.2.2 [INFO] [stderr] Checking ro_materials_csv_calculator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: constant `TEMP_STEP` is never used [INFO] [stdout] --> src/main.rs:15:7 [INFO] [stdout] | [INFO] [stdout] 15 | const TEMP_STEP: f32 = 50.0; [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 `output_data_triplet` is never used [INFO] [stdout] --> src/read_write.rs:546:8 [INFO] [stdout] | [INFO] [stdout] 546 | pub fn output_data_triplet(name: &String, data: &Vec, path: String) -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `output_data_pair` is never used [INFO] [stdout] --> src/read_write.rs:566:8 [INFO] [stdout] | [INFO] [stdout] 566 | pub fn output_data_pair(name: &String, data: &Vec, path: String) -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/read_write.rs:263:55 [INFO] [stdout] | [INFO] [stdout] 263 | "Name" => segment.name = record[1].parse().unwrap(), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ro_materials_csv_calculator` (bin "ro_materials_csv_calculator" test) due to 1 previous error; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: constant `TEMP_STEP` is never used [INFO] [stdout] --> src/main.rs:15:7 [INFO] [stdout] | [INFO] [stdout] 15 | const TEMP_STEP: f32 = 50.0; [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 `output_data_triplet` is never used [INFO] [stdout] --> src/read_write.rs:546:8 [INFO] [stdout] | [INFO] [stdout] 546 | pub fn output_data_triplet(name: &String, data: &Vec, path: String) -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `output_data_pair` is never used [INFO] [stdout] --> src/read_write.rs:566:8 [INFO] [stdout] | [INFO] [stdout] 566 | pub fn output_data_pair(name: &String, data: &Vec, path: String) -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/read_write.rs:263:55 [INFO] [stdout] | [INFO] [stdout] 263 | "Name" => segment.name = record[1].parse().unwrap(), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ro_materials_csv_calculator` (bin "ro_materials_csv_calculator") due to 1 previous error; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "c96fc5302c69b41463b71c0d22ebf6f03d2d084c8c13089a33c2c9f8943ea1dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c96fc5302c69b41463b71c0d22ebf6f03d2d084c8c13089a33c2c9f8943ea1dd", kill_on_drop: false }` [INFO] [stdout] c96fc5302c69b41463b71c0d22ebf6f03d2d084c8c13089a33c2c9f8943ea1dd