[INFO] fetching crate slice_math 0.1.31...
[INFO] testing slice_math-0.1.31 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate slice_math 0.1.31 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate slice_math 0.1.31
[INFO] finished tweaking crates.io crate slice_math 0.1.31
[INFO] tweaked toml for crates.io crate slice_math 0.1.31 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate slice_math 0.1.31 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate slice_math 0.1.31 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cblas-sys v0.1.4
[INFO] [stderr]   Downloaded katexit v0.1.4
[INFO] [stderr]   Downloaded font-kit v0.14.2
[INFO] [stderr]   Downloaded getset v0.1.3
[INFO] [stderr]   Downloaded lax v0.16.0
[INFO] [stderr]   Downloaded oci-spec v0.6.8
[INFO] [stderr]   Downloaded tar v0.4.43
[INFO] [stderr]   Downloaded webpki-roots v0.26.7
[INFO] [stderr]   Downloaded rustls v0.23.20
[INFO] [stderr]   Downloaded intel-mkl-tool v0.8.1
[INFO] [stderr]   Downloaded pathfinder_simd v0.5.4
[INFO] [stderr]   Downloaded ocipkg v0.2.9
[INFO] [stderr]   Downloaded ndarray-linalg v0.16.0
[INFO] [stderr]   Downloaded slice_trait v0.1.1
[INFO] [stderr]   Downloaded xattr v1.3.1
[INFO] [stderr]   Downloaded intel-mkl-src v0.8.1
[INFO] [stderr]   Downloaded dwrote v0.11.2
[INFO] [stderr]   Downloaded moddef v0.2.2
[INFO] [stderr]   Downloaded slice_ops v0.1.12
[INFO] [stderr]   Downloaded png v0.17.15
[INFO] [stderr]   Downloaded cc v1.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e148f9b48191d42cf3e8652c9f5249ef7e34afc01e66929f140ebbf722aff3c
[INFO] running `Command { std: "docker" "start" "-a" "1e148f9b48191d42cf3e8652c9f5249ef7e34afc01e66929f140ebbf722aff3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e148f9b48191d42cf3e8652c9f5249ef7e34afc01e66929f140ebbf722aff3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e148f9b48191d42cf3e8652c9f5249ef7e34afc01e66929f140ebbf722aff3c", kill_on_drop: false }`
[INFO] [stdout] 1e148f9b48191d42cf3e8652c9f5249ef7e34afc01e66929f140ebbf722aff3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73c8c5376638aa043506263a6e5e562ead51e8abfb3e9cf72d0517e570c03384
[INFO] running `Command { std: "docker" "start" "-a" "73c8c5376638aa043506263a6e5e562ead51e8abfb3e9cf72d0517e570c03384", kill_on_drop: false }`
[INFO] [stderr]    Compiling slice_trait v0.1.1
[INFO] [stderr]    Compiling moddef v0.2.2
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stdout] error: relaxed bounds are not permitted in trait alias bounds
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.1.1/src/lib.rs:8:28
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub trait SlicePrereq<T> = ?Sized
[INFO] [stdout]   |                            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: trait aliases are not implicitly bounded by `Sized`, so there is nothing to relax
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slice_trait` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "73c8c5376638aa043506263a6e5e562ead51e8abfb3e9cf72d0517e570c03384", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73c8c5376638aa043506263a6e5e562ead51e8abfb3e9cf72d0517e570c03384", kill_on_drop: false }`
[INFO] [stdout] 73c8c5376638aa043506263a6e5e562ead51e8abfb3e9cf72d0517e570c03384