[INFO] cloning repository https://github.com/ahmed-deftoner/string-processing [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ahmed-deftoner/string-processing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahmed-deftoner%2Fstring-processing", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahmed-deftoner%2Fstring-processing'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c35b28027a3c5fba9db5497bc19fb6c242575671 [INFO] checking ahmed-deftoner/string-processing 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%2Fahmed-deftoner%2Fstring-processing" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/ahmed-deftoner/string-processing [INFO] finished tweaking git repo https://github.com/ahmed-deftoner/string-processing [INFO] tweaked toml for git repo https://github.com/ahmed-deftoner/string-processing written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/ahmed-deftoner/string-processing 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/ahmed-deftoner/string-processing 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] bdcbab80bec33f0e71c3826e6bd8cf984ca99375b1f02da5783eb447f9fae927 [INFO] running `Command { std: "docker" "start" "-a" "bdcbab80bec33f0e71c3826e6bd8cf984ca99375b1f02da5783eb447f9fae927", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bdcbab80bec33f0e71c3826e6bd8cf984ca99375b1f02da5783eb447f9fae927", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bdcbab80bec33f0e71c3826e6bd8cf984ca99375b1f02da5783eb447f9fae927", kill_on_drop: false }` [INFO] [stdout] bdcbab80bec33f0e71c3826e6bd8cf984ca99375b1f02da5783eb447f9fae927 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e99b70ba74ebb6eb75c9485a5d6491f617bdcfa944e1207e369792380ac04ad9 [INFO] running `Command { std: "docker" "start" "-a" "e99b70ba74ebb6eb75c9485a5d6491f617bdcfa944e1207e369792380ac04ad9", kill_on_drop: false }` [INFO] [stderr] Checking string-processing v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `x` and `y` are never read [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | struct Point{ [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 5 | x: u64, [INFO] [stdout] | ^ [INFO] [stdout] 6 | y: u64 [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:11:7 [INFO] [stdout] | [INFO] [stdout] 11 | X(u64), [INFO] [stdout] | - ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Fold` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 11 - X(u64), [INFO] [stdout] 11 + X(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:12:7 [INFO] [stdout] | [INFO] [stdout] 12 | Y(u64) [INFO] [stdout] | - ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Fold` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 12 - Y(u64) [INFO] [stdout] 12 + Y(()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:20:16 [INFO] [stdout] | [INFO] [stdout] 20 | return Ok(Point{ [INFO] [stdout] | ________________^ [INFO] [stdout] 21 | | x: x.parse().unwrap(), [INFO] [stdout] 22 | | y: y.parse().unwrap(), [INFO] [stdout] 23 | | }); [INFO] [stdout] | |__________^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:37:16 [INFO] [stdout] | [INFO] [stdout] 37 | return match axis { [INFO] [stdout] | ________________^ [INFO] [stdout] 38 | | "x" => Ok(Fold::X(value.parse().unwrap())), [INFO] [stdout] 39 | | "y" => Ok(Fold::Y(value.parse().unwrap())), [INFO] [stdout] 40 | | _ => unreachable!(), [INFO] [stdout] 41 | | }; [INFO] [stdout] | |_________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:38:20 [INFO] [stdout] | [INFO] [stdout] 38 | "x" => Ok(Fold::X(value.parse().unwrap())), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:39:20 [INFO] [stdout] | [INFO] [stdout] 39 | "y" => Ok(Fold::Y(value.parse().unwrap())), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `x` and `y` are never read [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | struct Point{ [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 5 | x: u64, [INFO] [stdout] | ^ [INFO] [stdout] 6 | y: u64 [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:11:7 [INFO] [stdout] | [INFO] [stdout] 11 | X(u64), [INFO] [stdout] | - ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Fold` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 11 - X(u64), [INFO] [stdout] 11 + X(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:12:7 [INFO] [stdout] | [INFO] [stdout] 12 | Y(u64) [INFO] [stdout] | - ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Fold` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 12 - Y(u64) [INFO] [stdout] 12 + Y(()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `string-processing` (bin "string-processing" test) due to 4 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:20:16 [INFO] [stdout] | [INFO] [stdout] 20 | return Ok(Point{ [INFO] [stdout] | ________________^ [INFO] [stdout] 21 | | x: x.parse().unwrap(), [INFO] [stdout] 22 | | y: y.parse().unwrap(), [INFO] [stdout] 23 | | }); [INFO] [stdout] | |__________^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:37:16 [INFO] [stdout] | [INFO] [stdout] 37 | return match axis { [INFO] [stdout] | ________________^ [INFO] [stdout] 38 | | "x" => Ok(Fold::X(value.parse().unwrap())), [INFO] [stdout] 39 | | "y" => Ok(Fold::Y(value.parse().unwrap())), [INFO] [stdout] 40 | | _ => unreachable!(), [INFO] [stdout] 41 | | }; [INFO] [stdout] | |_________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:38:20 [INFO] [stdout] | [INFO] [stdout] 38 | "x" => Ok(Fold::X(value.parse().unwrap())), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:39:20 [INFO] [stdout] | [INFO] [stdout] 39 | "y" => Ok(Fold::Y(value.parse().unwrap())), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `string-processing` (bin "string-processing") due to 4 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "e99b70ba74ebb6eb75c9485a5d6491f617bdcfa944e1207e369792380ac04ad9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e99b70ba74ebb6eb75c9485a5d6491f617bdcfa944e1207e369792380ac04ad9", kill_on_drop: false }` [INFO] [stdout] e99b70ba74ebb6eb75c9485a5d6491f617bdcfa944e1207e369792380ac04ad9