[INFO] updating cached repository kogai/bot-sample [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/kogai/bot-sample [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/kogai/bot-sample" "work/ex/beta-1.38-1/sources/1.37.0/gh/kogai/bot-sample"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/kogai/bot-sample'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/kogai/bot-sample" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kogai/bot-sample"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kogai/bot-sample'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 661260007975a330c181a0c3006260667cf58a17 [INFO] sha for GitHub repo kogai/bot-sample: 661260007975a330c181a0c3006260667cf58a17 [INFO] validating manifest of kogai/bot-sample on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of kogai/bot-sample on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing kogai/bot-sample [INFO] finished frobbing kogai/bot-sample [INFO] frobbed toml for kogai/bot-sample written to work/ex/beta-1.38-1/sources/1.37.0/gh/kogai/bot-sample/Cargo.toml [INFO] started frobbing kogai/bot-sample [INFO] finished frobbing kogai/bot-sample [INFO] frobbed toml for kogai/bot-sample written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kogai/bot-sample/Cargo.toml [INFO] crate kogai/bot-sample already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing kogai/bot-sample against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kogai/bot-sample:/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=warn" "-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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] c5ebaed29b306408032b45819c391db0b6abd170f40cff2feb80a911f31ced94 [INFO] running `"docker" "start" "-a" "c5ebaed29b306408032b45819c391db0b6abd170f40cff2feb80a911f31ced94"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling nom v2.1.0 [INFO] [stderr] Compiling hyper v0.10.9 [INFO] [stderr] Compiling serde_codegen_internals v0.14.2 [INFO] [stderr] Compiling dotenv v0.10.0 [INFO] [stderr] Compiling serde_derive v0.9.15 [INFO] [stderr] Compiling cron v0.2.0 [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cron-0.2.0/src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(conservative_impl_trait)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cron-0.2.0/src/lib.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(collections_bound)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cron-0.2.0/src/lib.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | #![feature(btree_range)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cron-0.2.0/src/lib.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | #![feature(step_by)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cron-0.2.0/src/time_unit/mod.rs:74:55 [INFO] [stderr] | [INFO] [stderr] 74 | Ok((start..Self::inclusive_max() + 1).step_by(step).collect()) [INFO] [stderr] | ^^^^ expected usize, found u32 [INFO] [stderr] help: you can convert an `u32` to `usize` and panic if the converted value wouldn't fit [INFO] [stderr] | [INFO] [stderr] 74 | Ok((start..Self::inclusive_max() + 1).step_by(step.try_into().unwrap()).collect()) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 5 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0308, E0554. [INFO] [stderr] For more information about an error, try `rustc --explain E0308`. [INFO] [stderr] error: Could not compile `cron`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "c5ebaed29b306408032b45819c391db0b6abd170f40cff2feb80a911f31ced94"` [INFO] running `"docker" "rm" "-f" "c5ebaed29b306408032b45819c391db0b6abd170f40cff2feb80a911f31ced94"` [INFO] [stdout] c5ebaed29b306408032b45819c391db0b6abd170f40cff2feb80a911f31ced94