[INFO] updating cached repository PurpleMyst/synacor-vm
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/PurpleMyst/synacor-vm
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/PurpleMyst/synacor-vm" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/PurpleMyst/synacor-vm"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/PurpleMyst/synacor-vm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/PurpleMyst/synacor-vm" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/PurpleMyst/synacor-vm"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/PurpleMyst/synacor-vm'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e2871d55d13cd8cfc08ef2f3146a41fa6f4a5350
[INFO] sha for GitHub repo PurpleMyst/synacor-vm: e2871d55d13cd8cfc08ef2f3146a41fa6f4a5350
[INFO] validating manifest of PurpleMyst/synacor-vm on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of PurpleMyst/synacor-vm on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing PurpleMyst/synacor-vm
[INFO] finished frobbing PurpleMyst/synacor-vm
[INFO] frobbed toml for PurpleMyst/synacor-vm written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/PurpleMyst/synacor-vm/Cargo.toml
[INFO] started frobbing PurpleMyst/synacor-vm
[INFO] finished frobbing PurpleMyst/synacor-vm
[INFO] frobbed toml for PurpleMyst/synacor-vm written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/PurpleMyst/synacor-vm/Cargo.toml
[INFO] crate PurpleMyst/synacor-vm already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking PurpleMyst/synacor-vm against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-4/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/PurpleMyst/synacor-vm:/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] aa2efb5ae0fe3fb719a00ad90bc5766e15156fe04dd1cf51a06a589782c1693d
[INFO] running `"docker" "start" "-a" "aa2efb5ae0fe3fb719a00ad90bc5766e15156fe04dd1cf51a06a589782c1693d"`
[INFO] [stderr]     Checking synacor-vm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0599]: no method named `exact_chunks` found for type `std::vec::Vec<u8>` in the current scope
[INFO] [stderr]    --> src/vm.rs:156:25
[INFO] [stderr]     |
[INFO] [stderr] 156 |         fs::read(path)?.exact_chunks(2).for_each(|chunk| {
[INFO] [stderr]     |                         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `exact_chunks` found for type `std::vec::Vec<u8>` in the current scope
[INFO] [stderr]    --> src/vm.rs:156:25
[INFO] [stderr]     |
[INFO] [stderr] 156 |         fs::read(path)?.exact_chunks(2).for_each(|chunk| {
[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 E0599`.
[INFO] [stderr] error: Could not compile `synacor-vm`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: Could not compile `synacor-vm`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "aa2efb5ae0fe3fb719a00ad90bc5766e15156fe04dd1cf51a06a589782c1693d"`
[INFO] running `"docker" "rm" "-f" "aa2efb5ae0fe3fb719a00ad90bc5766e15156fe04dd1cf51a06a589782c1693d"`
[INFO] [stdout] aa2efb5ae0fe3fb719a00ad90bc5766e15156fe04dd1cf51a06a589782c1693d