[INFO] cloning repository Wardormeur/calendar
[INFO] running `"git" "clone" "--bare" "git://github.com/Wardormeur/calendar.git" "work/cache/sources/gh/Wardormeur/calendar"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/Wardormeur/calendar'...
[INFO] running `"git" "clone" "work/cache/sources/gh/Wardormeur/calendar" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Wardormeur/calendar"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Wardormeur/calendar'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Wardormeur/calendar" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Wardormeur/calendar"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Wardormeur/calendar'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5c1fe9b40f3204ed995027cfc2a6963c5ce59a47
[INFO] sha for GitHub repo Wardormeur/calendar: 5c1fe9b40f3204ed995027cfc2a6963c5ce59a47
[INFO] validating manifest of Wardormeur/calendar 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 Wardormeur/calendar 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 Wardormeur/calendar
[INFO] finished frobbing Wardormeur/calendar
[INFO] frobbed toml for Wardormeur/calendar written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Wardormeur/calendar/Cargo.toml
[INFO] started frobbing Wardormeur/calendar
[INFO] finished frobbing Wardormeur/calendar
[INFO] frobbed toml for Wardormeur/calendar written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Wardormeur/calendar/Cargo.toml
[INFO] crate Wardormeur/calendar 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] [stderr]     Updating git repository `https://github.com/untitaker/rust-vobject.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ical v0.4.0
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Wardormeur/calendar against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-3/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Wardormeur/calendar:/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] 282c1058ee909e37e20d7f13ef0802ee5d62ae502b860bad998e4dbcb8ae4950
[INFO] running `"docker" "start" "-a" "282c1058ee909e37e20d7f13ef0802ee5d62ae502b860bad998e4dbcb8ae4950"`
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking vobject v0.6.0 (https://github.com/untitaker/rust-vobject.git#f100677f)
[INFO] [stderr]     Checking ical v0.4.0
[INFO] [stderr]     Checking calendar v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     buf.read_to_string(&mut file_content); 
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     buf.read_to_string(&mut file_content); 
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.27s
[INFO] running `"docker" "inspect" "282c1058ee909e37e20d7f13ef0802ee5d62ae502b860bad998e4dbcb8ae4950"`
[INFO] running `"docker" "rm" "-f" "282c1058ee909e37e20d7f13ef0802ee5d62ae502b860bad998e4dbcb8ae4950"`
[INFO] [stdout] 282c1058ee909e37e20d7f13ef0802ee5d62ae502b860bad998e4dbcb8ae4950