[INFO] cloning repository upsuper/maildir-pack
[INFO] running `"git" "clone" "--bare" "git://github.com/upsuper/maildir-pack.git" "work/cache/sources/gh/upsuper/maildir-pack"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/upsuper/maildir-pack'...
[INFO] running `"git" "clone" "work/cache/sources/gh/upsuper/maildir-pack" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/upsuper/maildir-pack"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/upsuper/maildir-pack'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/upsuper/maildir-pack" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/upsuper/maildir-pack"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/upsuper/maildir-pack'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9bca0c80e4e3ca4948e5d9e0057b5063162e3150
[INFO] sha for GitHub repo upsuper/maildir-pack: 9bca0c80e4e3ca4948e5d9e0057b5063162e3150
[INFO] validating manifest of upsuper/maildir-pack 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 upsuper/maildir-pack 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 upsuper/maildir-pack
[INFO] finished frobbing upsuper/maildir-pack
[INFO] frobbed toml for upsuper/maildir-pack written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/upsuper/maildir-pack/Cargo.toml
[INFO] started frobbing upsuper/maildir-pack
[INFO] finished frobbing upsuper/maildir-pack
[INFO] frobbed toml for upsuper/maildir-pack written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/upsuper/maildir-pack/Cargo.toml
[INFO] crate upsuper/maildir-pack 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 upsuper/maildir-pack against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-3/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/upsuper/maildir-pack:/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] 6ff1682e7cbcf94b59904e9632d4532c09a3b626d78ae731ea556dda9e04a55e
[INFO] running `"docker" "start" "-a" "6ff1682e7cbcf94b59904e9632d4532c09a3b626d78ae731ea556dda9e04a55e"`
[INFO] [stderr]    Compiling regex v1.1.8
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking leak v0.1.2
[INFO] [stderr]    Compiling lzma-sys v0.1.14
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking clicolors-control v1.0.0
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking filetime v0.2.6
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking number_prefix v0.2.8
[INFO] [stderr]     Checking parking_lot_core v0.5.0
[INFO] [stderr]     Checking tar v0.4.26
[INFO] [stderr]     Checking rayon-core v1.5.0
[INFO] [stderr]     Checking parking_lot v0.8.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking xz2 v0.1.6
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking console v0.7.7
[INFO] [stderr]     Checking indicatif v0.11.0
[INFO] [stderr]     Checking maildir-pack v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.83s
[INFO] running `"docker" "inspect" "6ff1682e7cbcf94b59904e9632d4532c09a3b626d78ae731ea556dda9e04a55e"`
[INFO] running `"docker" "rm" "-f" "6ff1682e7cbcf94b59904e9632d4532c09a3b626d78ae731ea556dda9e04a55e"`
[INFO] [stdout] 6ff1682e7cbcf94b59904e9632d4532c09a3b626d78ae731ea556dda9e04a55e