[INFO] fetching crate simulated_packed_simd 0.0.1...
[INFO] testing simulated_packed_simd-0.0.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate simulated_packed_simd 0.0.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate simulated_packed_simd 0.0.1
[INFO] finished tweaking crates.io crate simulated_packed_simd 0.0.1
[INFO] tweaked toml for crates.io crate simulated_packed_simd 0.0.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate simulated_packed_simd 0.0.1 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate simulated_packed_simd 0.0.1 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4bd04617f24453e0ceace9f8eee23ebb130890dc82c72d40c8ae93dd0c46d84
[INFO] running `Command { std: "docker" "start" "-a" "c4bd04617f24453e0ceace9f8eee23ebb130890dc82c72d40c8ae93dd0c46d84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4bd04617f24453e0ceace9f8eee23ebb130890dc82c72d40c8ae93dd0c46d84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4bd04617f24453e0ceace9f8eee23ebb130890dc82c72d40c8ae93dd0c46d84", kill_on_drop: false }`
[INFO] [stdout] c4bd04617f24453e0ceace9f8eee23ebb130890dc82c72d40c8ae93dd0c46d84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a880719e0cd69a29364025313e2885f58a300f2d69d2fb82701d20651d01cec
[INFO] running `Command { std: "docker" "start" "-a" "4a880719e0cd69a29364025313e2885f58a300f2d69d2fb82701d20651d01cec", kill_on_drop: false }`
[INFO] [stderr]    Compiling simulated_packed_simd v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]    --> src/lib.rs:110:18
[INFO] [stdout]     |
[INFO] [stdout] 110 | pub struct u8x16(u8, u8, u8, u8, u8, u8, u8, u8,
[INFO] [stdout]     |            ----- ^^  ^^  ^^  ^^  ^^  ^^  ^^  ^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            fields in this struct
[INFO] [stdout] 111 |                  u8, u8, u8, u8, u8, u8, u8, u8);
[INFO] [stdout]     |                  ^^  ^^  ^^  ^^  ^^  ^^  ^^  ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing these fields
[INFO] [stdout]     = note: `u8x16` has derived impls for the traits `Clone` and `Debug`, but these are 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: multiple fields are never read
[INFO] [stdout]    --> src/lib.rs:115:18
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub struct i8x16(i8, i8, i8, i8, i8, i8, i8, i8,
[INFO] [stdout]     |            ----- ^^  ^^  ^^  ^^  ^^  ^^  ^^  ^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            fields in this struct
[INFO] [stdout] 116 |                  i8, i8, i8, i8, i8, i8, i8, i8);
[INFO] [stdout]     |                  ^^  ^^  ^^  ^^  ^^  ^^  ^^  ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing these fields
[INFO] [stdout]     = note: `i8x16` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "4a880719e0cd69a29364025313e2885f58a300f2d69d2fb82701d20651d01cec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a880719e0cd69a29364025313e2885f58a300f2d69d2fb82701d20651d01cec", kill_on_drop: false }`
[INFO] [stdout] 4a880719e0cd69a29364025313e2885f58a300f2d69d2fb82701d20651d01cec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6955305c6c072b9efa14888c7fc0514e3dbd5053d1ea80e3721bc1a8c75c5fd1
[INFO] running `Command { std: "docker" "start" "-a" "6955305c6c072b9efa14888c7fc0514e3dbd5053d1ea80e3721bc1a8c75c5fd1", kill_on_drop: false }`
[INFO] [stderr]    Compiling simulated_packed_simd v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]    --> src/lib.rs:110:18
[INFO] [stdout]     |
[INFO] [stdout] 110 | pub struct u8x16(u8, u8, u8, u8, u8, u8, u8, u8,
[INFO] [stdout]     |            ----- ^^  ^^  ^^  ^^  ^^  ^^  ^^  ^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            fields in this struct
[INFO] [stdout] 111 |                  u8, u8, u8, u8, u8, u8, u8, u8);
[INFO] [stdout]     |                  ^^  ^^  ^^  ^^  ^^  ^^  ^^  ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing these fields
[INFO] [stdout]     = note: `u8x16` has derived impls for the traits `Clone` and `Debug`, but these are 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: multiple fields are never read
[INFO] [stdout]    --> src/lib.rs:115:18
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub struct i8x16(i8, i8, i8, i8, i8, i8, i8, i8,
[INFO] [stdout]     |            ----- ^^  ^^  ^^  ^^  ^^  ^^  ^^  ^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            fields in this struct
[INFO] [stdout] 116 |                  i8, i8, i8, i8, i8, i8, i8, i8);
[INFO] [stdout]     |                  ^^  ^^  ^^  ^^  ^^  ^^  ^^  ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing these fields
[INFO] [stdout]     = note: `i8x16` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `ssimd`
[INFO] [stdout]  --> examples/nbody.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate ssimd;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simulated_packed_simd` (example "nbody") due to 1 previous error
[INFO] [stdout] error[E0463]: can't find crate for `ssimd`
[INFO] [stdout]  --> examples/spectralnorm.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate ssimd;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simulated_packed_simd` (example "spectralnorm") due to 1 previous error
[INFO] [stdout] error[E0463]: can't find crate for `ssimd`
[INFO] [stdout]  --> examples/axpy.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate ssimd;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simulated_packed_simd` (example "axpy") due to 1 previous error
[INFO] [stdout] error[E0463]: can't find crate for `ssimd`
[INFO] [stdout]  --> examples/dotprod.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate ssimd;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `ssimd`
[INFO] [stdout]  --> tests/test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ssimd::*;
[INFO] [stdout]   |     ^^^^^ use of unresolved module or unlinked crate `ssimd`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `ssimd`, use `cargo add ssimd` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simulated_packed_simd` (example "dotprod") due to 1 previous error
[INFO] [stdout] error[E0463]: can't find crate for `ssimd`
[INFO] [stdout]  --> examples/matrix_inverse.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate ssimd;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `ssimd`
[INFO] [stdout]  --> examples/convert.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate ssimd;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `ssimd`
[INFO] [stdout]  --> examples/mandelbrot.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern crate ssimd;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simulated_packed_simd` (example "convert") due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simulated_packed_simd` (example "mandelbrot") due to 1 previous error
[INFO] [stderr] error: could not compile `simulated_packed_simd` (example "matrix_inverse") due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simulated_packed_simd` (test "test") due to 1 previous error
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]    --> src/lib.rs:110:18
[INFO] [stdout]     |
[INFO] [stdout] 110 | pub struct u8x16(u8, u8, u8, u8, u8, u8, u8, u8,
[INFO] [stdout]     |            ----- ^^  ^^  ^^  ^^  ^^  ^^  ^^  ^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            fields in this struct
[INFO] [stdout] 111 |                  u8, u8, u8, u8, u8, u8, u8, u8);
[INFO] [stdout]     |                  ^^  ^^  ^^  ^^  ^^  ^^  ^^  ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing these fields
[INFO] [stdout]     = note: `u8x16` has derived impls for the traits `Clone` and `Debug`, but these are 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: multiple fields are never read
[INFO] [stdout]    --> src/lib.rs:115:18
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub struct i8x16(i8, i8, i8, i8, i8, i8, i8, i8,
[INFO] [stdout]     |            ----- ^^  ^^  ^^  ^^  ^^  ^^  ^^  ^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            fields in this struct
[INFO] [stdout] 116 |                  i8, i8, i8, i8, i8, i8, i8, i8);
[INFO] [stdout]     |                  ^^  ^^  ^^  ^^  ^^  ^^  ^^  ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing these fields
[INFO] [stdout]     = note: `i8x16` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6955305c6c072b9efa14888c7fc0514e3dbd5053d1ea80e3721bc1a8c75c5fd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6955305c6c072b9efa14888c7fc0514e3dbd5053d1ea80e3721bc1a8c75c5fd1", kill_on_drop: false }`
[INFO] [stdout] 6955305c6c072b9efa14888c7fc0514e3dbd5053d1ea80e3721bc1a8c75c5fd1
