[INFO] cloning repository https://github.com/simoncozens/kerndeterminer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/simoncozens/kerndeterminer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimoncozens%2Fkerndeterminer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimoncozens%2Fkerndeterminer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 90656554665f0f94c9f3fb181cc816b4b8521f33
[INFO] checking simoncozens/kerndeterminer 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%2Fsimoncozens%2Fkerndeterminer" "/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/simoncozens/kerndeterminer
[INFO] finished tweaking git repo https://github.com/simoncozens/kerndeterminer
[INFO] tweaked toml for git repo https://github.com/simoncozens/kerndeterminer written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/simoncozens/kerndeterminer 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/simoncozens/kerndeterminer 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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c64b1381667b64e601219fe558cac43a2e7d48fd09854c1261871b5f907efaba
[INFO] running `Command { std: "docker" "start" "-a" "c64b1381667b64e601219fe558cac43a2e7d48fd09854c1261871b5f907efaba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c64b1381667b64e601219fe558cac43a2e7d48fd09854c1261871b5f907efaba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c64b1381667b64e601219fe558cac43a2e7d48fd09854c1261871b5f907efaba", kill_on_drop: false }`
[INFO] [stdout] c64b1381667b64e601219fe558cac43a2e7d48fd09854c1261871b5f907efaba
[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 -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] 9be0d1ffc50c6f7ab62ac361f340b4bf09e705a2853e951bea1cb4781d6f0c5c
[INFO] running `Command { std: "docker" "start" "-a" "9be0d1ffc50c6f7ab62ac361f340b4bf09e705a2853e951bea1cb4781d6f0c5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling serde v1.0.199
[INFO] [stderr]     Checking either v1.11.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]    Compiling fixed v1.27.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]     Checking permutation v0.2.5
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking kurbo v0.8.3
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking quick-xml v0.22.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking xml-rs v0.8.20
[INFO] [stderr]    Compiling inventory v0.1.11
[INFO] [stderr]    Compiling unindent v0.1.11
[INFO] [stderr]     Checking parking_lot_core v0.8.6
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]    Compiling pyo3 v0.12.4
[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking counter v0.5.7
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]    Compiling serde_derive v1.0.199
[INFO] [stderr]    Compiling thiserror-impl v1.0.59
[INFO] [stderr]    Compiling serde_repr v0.1.19
[INFO] [stderr]    Compiling ghost v0.1.17
[INFO] [stderr]     Checking num v0.4.2
[INFO] [stderr]     Checking otmath v0.1.0 (https://github.com/simoncozens/rust-font-tools#d913cf0a)
[INFO] [stderr]    Compiling pyo3-derive-backend v0.12.4
[INFO] [stderr]     Checking thiserror v1.0.59
[INFO] [stderr]    Compiling shrinkwraprs v0.3.0
[INFO] [stderr]    Compiling otspec_macros v0.1.0 (https://github.com/simoncozens/rust-font-tools#d913cf0a)
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stderr]    Compiling inventory-impl v0.1.11
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stderr]    Compiling pyo3cls v0.12.4
[INFO] [stderr]     Checking snafu v0.6.10
[INFO] [stderr]     Checking openstep-plist v0.1.0 (https://github.com/simoncozens/rust-font-tools#d913cf0a)
[INFO] [stderr]     Checking plist v1.6.1
[INFO] [stderr]     Checking serde-xml-rs v0.4.1
[INFO] [stderr]     Checking serde_json v1.0.116
[INFO] [stderr]     Checking norad v0.7.0
[INFO] [stderr]     Checking otspec v0.1.0 (https://github.com/simoncozens/rust-font-tools#d913cf0a)
[INFO] [stderr]     Checking fonttools v0.1.0 (https://github.com/simoncozens/rust-font-tools#d913cf0a)
[INFO] [stderr]     Checking designspace v0.1.0 (https://github.com/simoncozens/rust-font-tools#d913cf0a)
[INFO] [stderr]     Checking babelfont v0.1.1 (https://github.com/simoncozens/rust-font-tools#d913cf0a)
[INFO] [stderr]     Checking kerndeterminer v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `CubicBez`
[INFO] [stdout]  --> src/lib.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | use kurbo::{Affine, BezPath, CubicBez, ParamCurve, ParamCurveNearest, PathSeg, Vec2};
[INFO] [stdout]   |                              ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CubicBez`
[INFO] [stdout]  --> src/lib.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | use kurbo::{Affine, BezPath, CubicBez, ParamCurve, ParamCurveNearest, PathSeg, Vec2};
[INFO] [stdout]   |                              ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]    --> src/lib.rs:199:29
[INFO] [stdout]     |
[INFO] [stdout] 199 |             (PathSeg::Cubic(c1), PathSeg::Cubic(c2)) => s1.min_dist(s2, 0.5).distance,
[INFO] [stdout]     |                             ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]    --> src/lib.rs:199:49
[INFO] [stdout]     |
[INFO] [stdout] 199 |             (PathSeg::Cubic(c1), PathSeg::Cubic(c2)) => s1.min_dist(s2, 0.5).distance,
[INFO] [stdout]     |                                                 ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `layer_paths` is never read
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | struct KernDeterminer {
[INFO] [stdout]    |        -------------- field in this struct
[INFO] [stdout] 10 |     font: Font,
[INFO] [stdout] 11 |     layer_paths: HashMap<Layer, Vec<BezPath>>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]    --> src/lib.rs:199:29
[INFO] [stdout]     |
[INFO] [stdout] 199 |             (PathSeg::Cubic(c1), PathSeg::Cubic(c2)) => s1.min_dist(s2, 0.5).distance,
[INFO] [stdout]     |                             ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]    --> src/lib.rs:199:49
[INFO] [stdout]     |
[INFO] [stdout] 199 |             (PathSeg::Cubic(c1), PathSeg::Cubic(c2)) => s1.min_dist(s2, 0.5).distance,
[INFO] [stdout]     |                                                 ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `layer_paths` is never read
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | struct KernDeterminer {
[INFO] [stdout]    |        -------------- field in this struct
[INFO] [stdout] 10 |     font: Font,
[INFO] [stdout] 11 |     layer_paths: HashMap<Layer, Vec<BezPath>>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, PyClassInitializer<KernDeterminer>>
[INFO] [stdout]   --> src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[pymethods]
[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: ControlFlow<Result<Infallible, Infallible>, PyClassInitializer<KernDeterminer>>
[INFO] [stdout]   --> src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[pymethods]
[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<PyClassInitializer<KernDeterminer>, Infallible>
[INFO] [stdout]   --> src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[pymethods]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `pymethods` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PyClassInitializer<KernDeterminer>, Infallible>
[INFO] [stdout]   --> src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[pymethods]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `pymethods` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kerndeterminer` (lib) due to 2 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `kerndeterminer` (lib test) due to 2 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "9be0d1ffc50c6f7ab62ac361f340b4bf09e705a2853e951bea1cb4781d6f0c5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9be0d1ffc50c6f7ab62ac361f340b4bf09e705a2853e951bea1cb4781d6f0c5c", kill_on_drop: false }`
[INFO] [stdout] 9be0d1ffc50c6f7ab62ac361f340b4bf09e705a2853e951bea1cb4781d6f0c5c
