[INFO] fetching crate candle-core 0.3.1...
[INFO] checking candle-core-0.3.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate candle-core 0.3.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate candle-core 0.3.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate candle-core 0.3.1
[INFO] finished tweaking crates.io crate candle-core 0.3.1
[INFO] tweaked toml for crates.io crate candle-core 0.3.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate candle-core 0.3.1 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "df818848a0feb3f696676ee81536e53d0dbf7e7a9062d69d99edc4f857a7eb52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df818848a0feb3f696676ee81536e53d0dbf7e7a9062d69d99edc4f857a7eb52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df818848a0feb3f696676ee81536e53d0dbf7e7a9062d69d99edc4f857a7eb52", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ea81e3d3a69463a79844b9598ecbea7e2b1f8d4da10d4d3a52ae156d0e77d8c
[INFO] running `Command { std: "docker" "start" "-a" "9ea81e3d3a69463a79844b9598ecbea7e2b1f8d4da10d4d3a52ae156d0e77d8c", kill_on_drop: false }`
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[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
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[INFO] [stderr]    Compiling seq-macro v0.3.5
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[INFO] [stderr]    Compiling rustix v0.37.20
[INFO] [stderr]    Compiling serde v1.0.188
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[INFO] [stderr]    Compiling anyhow v1.0.71
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[INFO] [stderr]    Compiling serde_derive v1.0.188
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[INFO] [stderr]    Compiling yoke-derive v0.7.2
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[INFO] [stderr]     Checking candle-core v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/convert.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/convert.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `HashMap` is imported redundantly
[INFO] [stdout]    --> src/safetensors.rs:416:9
[INFO] [stdout]     |
[INFO] [stdout] 415 |     use super::*;
[INFO] [stdout]     |         -------- the item `HashMap` is already imported here
[INFO] [stdout] 416 |     use std::collections::HashMap;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Cpu` is never used
[INFO] [stdout]  --> src/cpu/mod.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | trait Cpu<const ARR: usize> {
[INFO] [stdout]   |       ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CpuF16` is never used
[INFO] [stdout]   --> src/cpu/mod.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | trait CpuF16<const ARR: usize> {
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/op.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |     Cmp(Tensor, CmpOp),
[INFO] [stdout]    |     ---         ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[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] 74 |     Cmp(Tensor, ()),
[INFO] [stdout]    |                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Cpu` is never used
[INFO] [stdout]  --> src/cpu/mod.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | trait Cpu<const ARR: usize> {
[INFO] [stdout]   |       ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CpuF16` is never used
[INFO] [stdout]   --> src/cpu/mod.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | trait CpuF16<const ARR: usize> {
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/op.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |     Cmp(Tensor, CmpOp),
[INFO] [stdout]    |     ---         ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[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] 74 |     Cmp(Tensor, ()),
[INFO] [stdout]    |                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.64s
[INFO] running `Command { std: "docker" "inspect" "9ea81e3d3a69463a79844b9598ecbea7e2b1f8d4da10d4d3a52ae156d0e77d8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ea81e3d3a69463a79844b9598ecbea7e2b1f8d4da10d4d3a52ae156d0e77d8c", kill_on_drop: false }`
[INFO] [stdout] 9ea81e3d3a69463a79844b9598ecbea7e2b1f8d4da10d4d3a52ae156d0e77d8c