[INFO] updating cached repository jazz-lang/Jazz-jit
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jazz-lang/Jazz-jit
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jazz-lang/Jazz-jit" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/jazz-lang/Jazz-jit"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/jazz-lang/Jazz-jit'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jazz-lang/Jazz-jit" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/jazz-lang/Jazz-jit"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/jazz-lang/Jazz-jit'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e88a8babeeefa89d6e903e8e96bc7da7b9be4a20
[INFO] sha for GitHub repo jazz-lang/Jazz-jit: e88a8babeeefa89d6e903e8e96bc7da7b9be4a20
[INFO] validating manifest of jazz-lang/Jazz-jit on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jazz-lang/Jazz-jit on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jazz-lang/Jazz-jit
[INFO] finished frobbing jazz-lang/Jazz-jit
[INFO] frobbed toml for jazz-lang/Jazz-jit written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/jazz-lang/Jazz-jit/Cargo.toml
[INFO] started frobbing jazz-lang/Jazz-jit
[INFO] finished frobbing jazz-lang/Jazz-jit
[INFO] frobbed toml for jazz-lang/Jazz-jit written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/jazz-lang/Jazz-jit/Cargo.toml
[INFO] crate jazz-lang/Jazz-jit already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "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 /mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/jazz-lang/Jazz-jit/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking jazz-lang/Jazz-jit against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-1/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/jazz-lang/Jazz-jit:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 15c2b16f9f330fa2bde5732bc05c89e04c5f694b3837d11f13ba7deb35735ec1
[INFO] running `"docker" "start" "-a" "15c2b16f9f330fa2bde5732bc05c89e04c5f694b3837d11f13ba7deb35735ec1"`
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling cbindgen v0.9.1
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling capstone-sys v0.10.0
[INFO] [stderr]    Compiling getrandom v0.1.11
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]    Compiling proc-macro-hack v0.5.9
[INFO] [stderr]    Compiling paste-impl v0.1.6
[INFO] [stderr]     Checking paste v0.1.6
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]     Checking capstone v0.6.0
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling toml v0.5.3
[INFO] [stderr]    Compiling jazz-jit v0.1.0 (/opt/crater/workdir)
[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] 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: 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] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/float4.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |         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]     Finished dev [unoptimized + debuginfo] target(s) in 2m 14s
[INFO] running `"docker" "inspect" "15c2b16f9f330fa2bde5732bc05c89e04c5f694b3837d11f13ba7deb35735ec1"`
[INFO] running `"docker" "rm" "-f" "15c2b16f9f330fa2bde5732bc05c89e04c5f694b3837d11f13ba7deb35735ec1"`
[INFO] [stdout] 15c2b16f9f330fa2bde5732bc05c89e04c5f694b3837d11f13ba7deb35735ec1