[INFO] cloning repository atsushi130/attendance-bot
[INFO] running `"git" "clone" "--bare" "git://github.com/atsushi130/attendance-bot.git" "work/cache/sources/gh/atsushi130/attendance-bot"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/atsushi130/attendance-bot'...
[INFO] running `"git" "clone" "work/cache/sources/gh/atsushi130/attendance-bot" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/atsushi130/attendance-bot"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/atsushi130/attendance-bot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/atsushi130/attendance-bot" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/atsushi130/attendance-bot"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/atsushi130/attendance-bot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 44c73989286e0fbc93bfa2025e76a2ea4f94ae11
[INFO] sha for GitHub repo atsushi130/attendance-bot: 44c73989286e0fbc93bfa2025e76a2ea4f94ae11
[INFO] validating manifest of atsushi130/attendance-bot 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 atsushi130/attendance-bot 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 atsushi130/attendance-bot
[INFO] finished frobbing atsushi130/attendance-bot
[INFO] frobbed toml for atsushi130/attendance-bot written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/atsushi130/attendance-bot/Cargo.toml
[INFO] started frobbing atsushi130/attendance-bot
[INFO] finished frobbing atsushi130/attendance-bot
[INFO] frobbed toml for atsushi130/attendance-bot written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/atsushi130/attendance-bot/Cargo.toml
[INFO] crate atsushi130/attendance-bot 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking atsushi130/attendance-bot 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/atsushi130/attendance-bot:/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] d092f4d6aee694b2bbc3a5866582c9f8d195d8b5628a81f9fd415a9db3d4dcfd
[INFO] running `"docker" "start" "-a" "d092f4d6aee694b2bbc3a5866582c9f8d195d8b5628a81f9fd415a9db3d4dcfd"`
[INFO] [stderr]     Checking base64 v0.5.2
[INFO] [stderr]     Checking serde_json v0.9.10
[INFO] [stderr]     Checking serde_urlencoded v0.4.3
[INFO] [stderr]     Checking hyper-native-tls v0.2.4
[INFO] [stderr]     Checking tungstenite v0.2.4
[INFO] [stderr]     Checking reqwest v0.4.0
[INFO] [stderr]     Checking slack_api v0.18.0
[INFO] [stderr]     Checking slack v0.19.0
[INFO] [stderr]     Checking attendance_bot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `from_id`
[INFO] [stderr]   --> src/attendance_bot/attendance_type.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn from_id(id: i64) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_id`
[INFO] [stderr]   --> src/attendance_bot/attendance_type.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn from_id(id: i64) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.42s
[INFO] running `"docker" "inspect" "d092f4d6aee694b2bbc3a5866582c9f8d195d8b5628a81f9fd415a9db3d4dcfd"`
[INFO] running `"docker" "rm" "-f" "d092f4d6aee694b2bbc3a5866582c9f8d195d8b5628a81f9fd415a9db3d4dcfd"`
[INFO] [stdout] d092f4d6aee694b2bbc3a5866582c9f8d195d8b5628a81f9fd415a9db3d4dcfd