[INFO] updating cached repository https://github.com/jazz-lang/Jazz-jit
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e88a8babeeefa89d6e903e8e96bc7da7b9be4a20
[INFO] testing jazz-lang/Jazz-jit against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjazz-lang%2FJazz-jit" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jazz-lang/Jazz-jit on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jazz-lang/Jazz-jit
[INFO] finished tweaking git repo https://github.com/jazz-lang/Jazz-jit
[INFO] tweaked toml for git repo https://github.com/jazz-lang/Jazz-jit written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/jazz-lang/Jazz-jit already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /big/crater/work/builds/worker-0/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 4f900bc145262da212d03b51559f40e6d9fb4bffe9ed8bae9b888e266bb2a1db
[INFO] running `"docker" "start" "-a" "4f900bc145262da212d03b51559f40e6d9fb4bffe9ed8bae9b888e266bb2a1db"`
[INFO] [stderr]    Compiling cbindgen v0.9.1
[INFO] [stderr]    Compiling capstone-sys v0.10.0
[INFO] [stderr]    Compiling toml v0.5.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling jazz-jit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling capstone v0.6.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.72s
[INFO] running `"docker" "inspect" "4f900bc145262da212d03b51559f40e6d9fb4bffe9ed8bae9b888e266bb2a1db"`
[INFO] running `"docker" "rm" "-f" "4f900bc145262da212d03b51559f40e6d9fb4bffe9ed8bae9b888e266bb2a1db"`
[INFO] [stdout] 4f900bc145262da212d03b51559f40e6d9fb4bffe9ed8bae9b888e266bb2a1db
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9c5fce026c843d9f8fde64630db8986e89aba430aaf7b8ca57c4c770966bdc6a
[INFO] running `"docker" "start" "-a" "9c5fce026c843d9f8fde64630db8986e89aba430aaf7b8ca57c4c770966bdc6a"`
[INFO] [stderr]    Compiling jazz-jit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> examples/float4.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(repr_simd)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `jazz_jit::avx::*`
[INFO] [stderr]  --> examples/float4.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use jazz_jit::avx::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `jazz_jit::MachineMode::Float32`
[INFO] [stderr]   --> examples/float4.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use jazz_jit::MachineMode::Float32;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `jazz-jit`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/call.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let mut cs = Capstone::new().x86()
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/int_add.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut cs = Capstone::new().x86()
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "9c5fce026c843d9f8fde64630db8986e89aba430aaf7b8ca57c4c770966bdc6a"`
[INFO] running `"docker" "rm" "-f" "9c5fce026c843d9f8fde64630db8986e89aba430aaf7b8ca57c4c770966bdc6a"`
[INFO] [stdout] 9c5fce026c843d9f8fde64630db8986e89aba430aaf7b8ca57c4c770966bdc6a