[INFO] updating cached repository https://github.com/MatthieuGANNE/matrix_mult
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 54ab15bbc9e0f7fd54fcde3ee1ef6486bc4e2ab6
[INFO] checking MatthieuGANNE/matrix_mult against try#5fdfba63a96c5e8ae0ebf6b8b66853110277087d for pr-73166
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatthieuGANNE%2Fmatrix_mult" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MatthieuGANNE/matrix_mult on toolchain 5fdfba63a96c5e8ae0ebf6b8b66853110277087d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MatthieuGANNE/matrix_mult
[INFO] finished tweaking git repo https://github.com/MatthieuGANNE/matrix_mult
[INFO] tweaked toml for git repo https://github.com/MatthieuGANNE/matrix_mult written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/MatthieuGANNE/matrix_mult already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e10b3af5de26a34abe9bcac601a7f21626ae0bfda05881b48b3a8cfa0bff2a51
[INFO] running `Command { std: "docker" "start" "-a" "e10b3af5de26a34abe9bcac601a7f21626ae0bfda05881b48b3a8cfa0bff2a51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e10b3af5de26a34abe9bcac601a7f21626ae0bfda05881b48b3a8cfa0bff2a51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e10b3af5de26a34abe9bcac601a7f21626ae0bfda05881b48b3a8cfa0bff2a51", kill_on_drop: false }`
[INFO] [stdout] e10b3af5de26a34abe9bcac601a7f21626ae0bfda05881b48b3a8cfa0bff2a51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c9c87424ce56cb02712b9628396d213a7729550790d96dba373d14eb01c8ebf4
[INFO] running `Command { std: "docker" "start" "-a" "c9c87424ce56cb02712b9628396d213a7729550790d96dba373d14eb01c8ebf4", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]     Checking spin v0.5.0
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[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling packed_simd v0.3.3
[INFO] [stderr]    Compiling openblas-src v0.6.1
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]     Checking bitflags v0.7.0
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[INFO] [stderr]    Compiling num-iter v0.1.39
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[INFO] [stderr]    Compiling rand_chacha v0.1.1
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[INFO] [stderr]     Checking itertools-num v0.1.3
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking alga v0.9.1
[INFO] [stderr]     Checking nalgebra v0.18.0
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking bstr v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.97
[INFO] [stderr]    Compiling derive-divisible v0.1.0 (https://github.com/wagnerf42/derive-divisible?branch=new_api#e3e655f9)
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking tinytemplate v1.0.2
[INFO] [stderr]     Checking rayon_logs v0.1.2 (https://github.com/wagnerf42/rayon-logs#f60bfb40)
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Checking rayon_adaptive v0.1.0 (https://github.com/wagnerf42/rayon-adaptive.git?branch=new_api#4254a6d4)
[INFO] [stderr]     Checking vektor v0.2.1
[INFO] [stdout] error[E0512]: cannot transmute between types of different sizes, or dependently-sized types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/vektor-0.2.1/src/x86/avx2.rs:2452:5
[INFO] [stdout]      |
[INFO] [stdout] 2452 |     crate::mem::transmute(constify_imm8!(imm8, call))
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: source type: `i32` (32 bits)
[INFO] [stdout]      = note: target type: `i8` (8 bits)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0512]: cannot transmute between types of different sizes, or dependently-sized types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/vektor-0.2.1/src/x86/avx2.rs:2471:5
[INFO] [stdout]      |
[INFO] [stdout] 2471 |     crate::mem::transmute(constify_imm8!(imm8, call))
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: source type: `i32` (32 bits)
[INFO] [stdout]      = note: target type: `i16` (16 bits)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0512`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `vektor`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "c9c87424ce56cb02712b9628396d213a7729550790d96dba373d14eb01c8ebf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9c87424ce56cb02712b9628396d213a7729550790d96dba373d14eb01c8ebf4", kill_on_drop: false }`
[INFO] [stdout] c9c87424ce56cb02712b9628396d213a7729550790d96dba373d14eb01c8ebf4