[INFO] cloning repository upsd/rusty-maths
[INFO] running `"git" "clone" "--bare" "git://github.com/upsd/rusty-maths.git" "work/cache/sources/gh/upsd/rusty-maths"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/upsd/rusty-maths'...
[INFO] running `"git" "clone" "work/cache/sources/gh/upsd/rusty-maths" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/upsd/rusty-maths"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/upsd/rusty-maths'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/upsd/rusty-maths" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/upsd/rusty-maths"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/upsd/rusty-maths'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d8afe19cad6d7cf3c28e28b05d5e3deef93fd3f0
[INFO] sha for GitHub repo upsd/rusty-maths: d8afe19cad6d7cf3c28e28b05d5e3deef93fd3f0
[INFO] validating manifest of upsd/rusty-maths 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 upsd/rusty-maths 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 upsd/rusty-maths
[INFO] finished frobbing upsd/rusty-maths
[INFO] frobbed toml for upsd/rusty-maths written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/upsd/rusty-maths/Cargo.toml
[INFO] started frobbing upsd/rusty-maths
[INFO] finished frobbing upsd/rusty-maths
[INFO] frobbed toml for upsd/rusty-maths written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/upsd/rusty-maths/Cargo.toml
[INFO] crate upsd/rusty-maths 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 upsd/rusty-maths against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-0/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/upsd/rusty-maths:/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] 2dfeb35823f98d495367dd8e5889197e465c13335d5b287c83befff697dfbce9
[INFO] running `"docker" "start" "-a" "2dfeb35823f98d495367dd8e5889197e465c13335d5b287c83befff697dfbce9"`
[INFO] [stderr]     Checking rusty_maths v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `"docker" "inspect" "2dfeb35823f98d495367dd8e5889197e465c13335d5b287c83befff697dfbce9"`
[INFO] running `"docker" "rm" "-f" "2dfeb35823f98d495367dd8e5889197e465c13335d5b287c83befff697dfbce9"`
[INFO] [stdout] 2dfeb35823f98d495367dd8e5889197e465c13335d5b287c83befff697dfbce9