[INFO] cloning repository jlmbaka/hack-assembler
[INFO] running `"git" "clone" "--bare" "git://github.com/jlmbaka/hack-assembler.git" "work/cache/sources/gh/jlmbaka/hack-assembler"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/jlmbaka/hack-assembler'...
[INFO] running `"git" "clone" "work/cache/sources/gh/jlmbaka/hack-assembler" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/jlmbaka/hack-assembler"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/jlmbaka/hack-assembler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jlmbaka/hack-assembler" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/jlmbaka/hack-assembler"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/jlmbaka/hack-assembler'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 31943f8106e10374e87f1765b3064b341c49ee2c
[INFO] sha for GitHub repo jlmbaka/hack-assembler: 31943f8106e10374e87f1765b3064b341c49ee2c
[INFO] validating manifest of jlmbaka/hack-assembler 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 jlmbaka/hack-assembler 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 jlmbaka/hack-assembler
[INFO] finished frobbing jlmbaka/hack-assembler
[INFO] frobbed toml for jlmbaka/hack-assembler written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/jlmbaka/hack-assembler/Cargo.toml
[INFO] started frobbing jlmbaka/hack-assembler
[INFO] finished frobbing jlmbaka/hack-assembler
[INFO] frobbed toml for jlmbaka/hack-assembler written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/jlmbaka/hack-assembler/Cargo.toml
[INFO] crate jlmbaka/hack-assembler 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 jlmbaka/hack-assembler against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-5/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/jlmbaka/hack-assembler:/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6acee2cb5e6218c2df7e752ad0acb2c458c28e86ae575cdadacb85dfc4ce9e2a
[INFO] running `"docker" "start" "-a" "6acee2cb5e6218c2df7e752ad0acb2c458c28e86ae575cdadacb85dfc4ce9e2a"`
[INFO] [stderr]     Checking hack v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hack::assembler::Assembler`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use hack::assembler::Assembler;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `"docker" "inspect" "6acee2cb5e6218c2df7e752ad0acb2c458c28e86ae575cdadacb85dfc4ce9e2a"`
[INFO] running `"docker" "rm" "-f" "6acee2cb5e6218c2df7e752ad0acb2c458c28e86ae575cdadacb85dfc4ce9e2a"`
[INFO] [stdout] 6acee2cb5e6218c2df7e752ad0acb2c458c28e86ae575cdadacb85dfc4ce9e2a