[INFO] cloning repository Antti/brainfuck-jit
[INFO] running `"git" "clone" "--bare" "git://github.com/Antti/brainfuck-jit.git" "work/cache/sources/gh/Antti/brainfuck-jit"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/Antti/brainfuck-jit'...
[INFO] running `"git" "clone" "work/cache/sources/gh/Antti/brainfuck-jit" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Antti/brainfuck-jit"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Antti/brainfuck-jit'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Antti/brainfuck-jit" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Antti/brainfuck-jit"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Antti/brainfuck-jit'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] db7a02984106c4d6b70fdc629577c6fdecfcf1fd
[INFO] sha for GitHub repo Antti/brainfuck-jit: db7a02984106c4d6b70fdc629577c6fdecfcf1fd
[INFO] validating manifest of Antti/brainfuck-jit on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Antti/brainfuck-jit on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Antti/brainfuck-jit
[INFO] finished frobbing Antti/brainfuck-jit
[INFO] frobbed toml for Antti/brainfuck-jit written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Antti/brainfuck-jit/Cargo.toml
[INFO] started frobbing Antti/brainfuck-jit
[INFO] finished frobbing Antti/brainfuck-jit
[INFO] frobbed toml for Antti/brainfuck-jit written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Antti/brainfuck-jit/Cargo.toml
[INFO] crate Antti/brainfuck-jit already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Antti/brainfuck-jit against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-4/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Antti/brainfuck-jit:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7cb5c4345f6f3b4c11726e75e940575b1daa62ae6b5a4d2d2d1953090972efdb
[INFO] running `"docker" "start" "-a" "7cb5c4345f6f3b4c11726e75e940575b1daa62ae6b5a4d2d2d1953090972efdb"`
[INFO] [stderr]     Checking bf-jit v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `libc` is imported redundantly
[INFO] [stderr]   --> src/vm/jitmem.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |     use libc;
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/lib.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | extern crate libc;
[INFO] [stderr]    | ------------------ the item `libc` is already imported here
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `libc` is imported redundantly
[INFO] [stderr]   --> src/vm/jitmem.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |     use libc;
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/lib.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | extern crate libc;
[INFO] [stderr]    | ------------------ the item `libc` is already imported here
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `pointer_methods` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(pointer_methods)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `pointer_methods` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(pointer_methods)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `"docker" "inspect" "7cb5c4345f6f3b4c11726e75e940575b1daa62ae6b5a4d2d2d1953090972efdb"`
[INFO] running `"docker" "rm" "-f" "7cb5c4345f6f3b4c11726e75e940575b1daa62ae6b5a4d2d2d1953090972efdb"`
[INFO] [stdout] 7cb5c4345f6f3b4c11726e75e940575b1daa62ae6b5a4d2d2d1953090972efdb