[INFO] cloning repository https://github.com/zyansheep/Dither
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zyansheep/Dither" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzyansheep%2FDither", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzyansheep%2FDither'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 576778554f0951cd700aaabcd04d2d4b2fd3f2fb
[INFO] checking zyansheep/Dither against master#0f353363965ebf05e0757f7679c800b39c51a07e for pr-144896
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzyansheep%2FDither" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/zyansheep/Dither
[INFO] finished tweaking git repo https://github.com/zyansheep/Dither
[INFO] tweaked toml for git repo https://github.com/zyansheep/Dither written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zyansheep/Dither on toolchain 0f353363965ebf05e0757f7679c800b39c51a07e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0f353363965ebf05e0757f7679c800b39c51a07e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zyansheep/Dither 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" "+0f353363965ebf05e0757f7679c800b39c51a07e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/zyansheep/rkyv_codec`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/libdither/disp`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustyline-async v0.3.1
[INFO] [stderr]   Downloaded bytecheck_derive v0.7.0
[INFO] [stderr]   Downloaded bytecheck v0.7.0
[INFO] [stderr]   Downloaded thingbuf v0.1.3
[INFO] [stderr]   Downloaded argmin-math v0.3.0
[INFO] [stderr]   Downloaded slice-ring-buffer v0.3.2
[INFO] [stderr]   Downloaded matrixmultiply v0.3.3
[INFO] [stderr]   Downloaded argmin v0.8.1
[INFO] [stderr]   Downloaded futures-delay-queue v0.5.2
[INFO] [stderr]   Downloaded rustls v0.21.0
[INFO] [stderr]   Downloaded nnmf_nalgebra v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+0f353363965ebf05e0757f7679c800b39c51a07e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b0c8a556e269498b0426e84aada59d22ae4663193ee9ff5521ef26ac6217276
[INFO] running `Command { std: "docker" "start" "-a" "9b0c8a556e269498b0426e84aada59d22ae4663193ee9ff5521ef26ac6217276", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b0c8a556e269498b0426e84aada59d22ae4663193ee9ff5521ef26ac6217276", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b0c8a556e269498b0426e84aada59d22ae4663193ee9ff5521ef26ac6217276", kill_on_drop: false }`
[INFO] [stdout] 9b0c8a556e269498b0426e84aada59d22ae4663193ee9ff5521ef26ac6217276
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+0f353363965ebf05e0757f7679c800b39c51a07e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 062f26a53268b563d585803cfd9f00e10ef50607f1c9a04520603972e9d52115
[INFO] running `Command { std: "docker" "start" "-a" "062f26a53268b563d585803cfd9f00e10ef50607f1c9a04520603972e9d52115", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `LineColumn` in crate `proc_macro`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/src/wrapper.rs:475:33
[INFO] [stdout]     |
[INFO] [stdout] 475 |                 let proc_macro::LineColumn { line, column } = s.start();
[INFO] [stdout]     |                                 ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct through its public re-export
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `LineColumn`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 475 -                 let proc_macro::LineColumn { line, column } = s.start();
[INFO] [stdout] 475 +                 let LineColumn { line, column } = s.start();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `LineColumn` in crate `proc_macro`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/src/wrapper.rs:489:33
[INFO] [stdout]     |
[INFO] [stdout] 489 |                 let proc_macro::LineColumn { line, column } = s.end();
[INFO] [stdout]     |                                 ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct through its public re-export
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `LineColumn`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 489 -                 let proc_macro::LineColumn { line, column } = s.end();
[INFO] [stdout] 489 +                 let LineColumn { line, column } = s.end();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking cpufeatures v0.2.7
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.1.0
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking concurrent-queue v2.2.0
[INFO] [stderr]     Checking simdutf8 v0.1.4
[INFO] [stderr]    Compiling bytecheck v0.6.10
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking async-lock v2.7.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling rend v0.4.0
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stdout] Some errors have detailed explanations: E0422, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "062f26a53268b563d585803cfd9f00e10ef50607f1c9a04520603972e9d52115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "062f26a53268b563d585803cfd9f00e10ef50607f1c9a04520603972e9d52115", kill_on_drop: false }`
[INFO] [stdout] 062f26a53268b563d585803cfd9f00e10ef50607f1c9a04520603972e9d52115