[INFO] updating cached repository ddohler/rust-feature-gen
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ddohler/rust-feature-gen
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ddohler/rust-feature-gen" "work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/ddohler/rust-feature-gen"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/ddohler/rust-feature-gen'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ddohler/rust-feature-gen" "work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/ddohler/rust-feature-gen"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/ddohler/rust-feature-gen'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 41e9f92259616e761452926a5032804ab1e3f87f
[INFO] sha for GitHub repo ddohler/rust-feature-gen: 41e9f92259616e761452926a5032804ab1e3f87f
[INFO] validating manifest of ddohler/rust-feature-gen on toolchain master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ddohler/rust-feature-gen on toolchain try#29640c57b5f92febba0e40c50cb863c9a7ede51d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ddohler/rust-feature-gen
[INFO] finished frobbing ddohler/rust-feature-gen
[INFO] frobbed toml for ddohler/rust-feature-gen written to work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/ddohler/rust-feature-gen/Cargo.toml
[INFO] started frobbing ddohler/rust-feature-gen
[INFO] finished frobbing ddohler/rust-feature-gen
[INFO] frobbed toml for ddohler/rust-feature-gen written to work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/ddohler/rust-feature-gen/Cargo.toml
[INFO] crate ddohler/rust-feature-gen has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ddohler/rust-feature-gen against master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039 for pr-57745
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57745/worker-5/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/ddohler/rust-feature-gen:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] cc2b1cb3d9b86b5f45dcd4dc5a156ab92957ef2e23e5106df6051f15abc16ac4
[INFO] running `"docker" "start" "-a" "cc2b1cb3d9b86b5f45dcd4dc5a156ab92957ef2e23e5106df6051f15abc16ac4"`
[INFO] [stderr]     Checking csv v0.15.0
[INFO] [stderr]     Checking chrono v0.3.0
[INFO] [stderr]     Checking rust-criml-features v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]    --> src/feature.rs:137:17
[INFO] [stderr]     |
[INFO] [stderr] 137 |             let value = match self.feature_map.get(&cell) {
[INFO] [stderr]     |                 ^^^^^ help: consider using `_value` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SPAN_3_DAYS_HRS`
[INFO] [stderr]   --> src/main.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | const SPAN_3_DAYS_HRS: u32 = 3 * 24;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]    --> src/feature.rs:137:17
[INFO] [stderr]     |
[INFO] [stderr] 137 |             let value = match self.feature_map.get(&cell) {
[INFO] [stderr]     |                 ^^^^^ help: consider using `_value` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SPAN_3_DAYS_HRS`
[INFO] [stderr]   --> src/main.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | const SPAN_3_DAYS_HRS: u32 = 3 * 24;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.92s
[INFO] running `"docker" "inspect" "cc2b1cb3d9b86b5f45dcd4dc5a156ab92957ef2e23e5106df6051f15abc16ac4"`
[INFO] running `"docker" "rm" "-f" "cc2b1cb3d9b86b5f45dcd4dc5a156ab92957ef2e23e5106df6051f15abc16ac4"`
[INFO] [stdout] cc2b1cb3d9b86b5f45dcd4dc5a156ab92957ef2e23e5106df6051f15abc16ac4