[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<Point, Infallible>
[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<Fold, Infallible>
[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<Fold, Infallible>
[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<Fold, Infallible>
[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<Point, Infallible>
[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<Fold, Infallible>
[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<Fold, Infallible>
[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<Fold, Infallible>
[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
