[INFO] cloning repository Sparkenstein/rust-lisp
[INFO] running `"git" "clone" "--bare" "git://github.com/Sparkenstein/rust-lisp.git" "work/cache/sources/gh/Sparkenstein/rust-lisp"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/Sparkenstein/rust-lisp'...
[INFO] running `"git" "clone" "work/cache/sources/gh/Sparkenstein/rust-lisp" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Sparkenstein/rust-lisp"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Sparkenstein/rust-lisp'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Sparkenstein/rust-lisp" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Sparkenstein/rust-lisp"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Sparkenstein/rust-lisp'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 25e2d1a3ec3b2b30e1a89c996d01d9e6b201f8c9
[INFO] sha for GitHub repo Sparkenstein/rust-lisp: 25e2d1a3ec3b2b30e1a89c996d01d9e6b201f8c9
[INFO] validating manifest of Sparkenstein/rust-lisp 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 Sparkenstein/rust-lisp 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 Sparkenstein/rust-lisp
[INFO] finished frobbing Sparkenstein/rust-lisp
[INFO] frobbed toml for Sparkenstein/rust-lisp written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Sparkenstein/rust-lisp/Cargo.toml
[INFO] started frobbing Sparkenstein/rust-lisp
[INFO] finished frobbing Sparkenstein/rust-lisp
[INFO] frobbed toml for Sparkenstein/rust-lisp written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Sparkenstein/rust-lisp/Cargo.toml
[INFO] crate Sparkenstein/rust-lisp 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 Sparkenstein/rust-lisp against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-1/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Sparkenstein/rust-lisp:/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] 70877ca0f6760ee4e8bec3ff9d54cebb902e461e1611dbdadc7950182ea0290f
[INFO] running `"docker" "start" "-a" "70877ca0f6760ee4e8bec3ff9d54cebb902e461e1611dbdadc7950182ea0290f"`
[INFO] [stderr]     Checking risp v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "70877ca0f6760ee4e8bec3ff9d54cebb902e461e1611dbdadc7950182ea0290f"`
[INFO] running `"docker" "rm" "-f" "70877ca0f6760ee4e8bec3ff9d54cebb902e461e1611dbdadc7950182ea0290f"`
[INFO] [stdout] 70877ca0f6760ee4e8bec3ff9d54cebb902e461e1611dbdadc7950182ea0290f