[INFO] cloning repository https://github.com/kernelmachine/rsmat
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kernelmachine/rsmat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkernelmachine%2Frsmat"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkernelmachine%2Frsmat'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 47b194a2f218ca2f2c63f7a7a5fb790e662a96d1
[INFO] checking kernelmachine/rsmat against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkernelmachine%2Frsmat" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  88% (133/150)   
Checking out files:  89% (134/150)   
Checking out files:  90% (135/150)   
Checking out files:  91% (137/150)   
Checking out files:  92% (138/150)   
Checking out files:  93% (140/150)   
Checking out files:  94% (141/150)   
Checking out files:  95% (143/150)   
Checking out files:  96% (144/150)   
Checking out files:  97% (146/150)   
Checking out files:  98% (147/150)   
Checking out files:  99% (149/150)   
Checking out files: 100% (150/150)   
Checking out files: 100% (150/150), done.
[INFO] validating manifest of git repo https://github.com/kernelmachine/rsmat on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/kernelmachine/rsmat
[INFO] finished tweaking git repo https://github.com/kernelmachine/rsmat
[INFO] tweaked toml for git repo https://github.com/kernelmachine/rsmat written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/kernelmachine/rsmat already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-12/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 26cf5b3f96c89ee1cb21fcb23fcaaca031ddce5413da967845fdb5ba9cfe043b
[INFO] running `"docker" "start" "-a" "26cf5b3f96c89ee1cb21fcb23fcaaca031ddce5413da967845fdb5ba9cfe043b"`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]    Compiling rblas v0.0.13
[INFO] [stderr]     Checking crossbeam v0.1.6
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr] error[E0512]: cannot transmute between types of different sizes, or dependently-sized types
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-0.1.6/src/sync/seg_queue.rs:34:29
[INFO] [stderr]    |
[INFO] [stderr] 34 |             ready: unsafe { mem::transmute([0usize; SEG_SIZE]) },
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: source type: `[usize; 32]` (2048 bits)
[INFO] [stderr]    = note: target type: `[std::sync::atomic::AtomicBool; 32]` (256 bits)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0512`.
[INFO] [stderr] error: could not compile `crossbeam`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "26cf5b3f96c89ee1cb21fcb23fcaaca031ddce5413da967845fdb5ba9cfe043b"`
[INFO] running `"docker" "rm" "-f" "26cf5b3f96c89ee1cb21fcb23fcaaca031ddce5413da967845fdb5ba9cfe043b"`
[INFO] [stdout] 26cf5b3f96c89ee1cb21fcb23fcaaca031ddce5413da967845fdb5ba9cfe043b