[INFO] cloning repository alirux/rust_examples [INFO] running `"git" "clone" "--bare" "git://github.com/alirux/rust_examples.git" "work/cache/sources/gh/alirux/rust_examples"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/alirux/rust_examples'... [INFO] running `"git" "clone" "work/cache/sources/gh/alirux/rust_examples" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/alirux/rust_examples"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/alirux/rust_examples'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/alirux/rust_examples" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/alirux/rust_examples"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/alirux/rust_examples'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] cdf73e1f5682819925bff17ad5afce0ed12b8252 [INFO] sha for GitHub repo alirux/rust_examples: cdf73e1f5682819925bff17ad5afce0ed12b8252 [INFO] validating manifest of alirux/rust_examples 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 alirux/rust_examples 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 alirux/rust_examples [INFO] finished frobbing alirux/rust_examples [INFO] frobbed toml for alirux/rust_examples written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/alirux/rust_examples/Cargo.toml [INFO] started frobbing alirux/rust_examples [INFO] finished frobbing alirux/rust_examples [INFO] frobbed toml for alirux/rust_examples written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/alirux/rust_examples/Cargo.toml [INFO] crate alirux/rust_examples 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 alirux/rust_examples against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008 [INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-1/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/alirux/rust_examples:/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] e97cba414b16f49c054d9f36686f9d301d191f67dbb0088a5dfc349889134d35 [INFO] running `"docker" "start" "-a" "e97cba414b16f49c054d9f36686f9d301d191f67dbb0088a5dfc349889134d35"` [INFO] [stderr] Checking rust_examples v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: field is never used: `created_on` [INFO] [stderr] --> src/bin/structs.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | created_on: String, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `created_by` [INFO] [stderr] --> src/bin/structs.rs:25:9 [INFO] [stderr] | [INFO] [stderr] 25 | created_by: String, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `urgent` [INFO] [stderr] --> src/bin/structs.rs:26:9 [INFO] [stderr] | [INFO] [stderr] 26 | urgent: bool, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `_enve1Copy` should have a snake case name [INFO] [stderr] --> src/bin/structs.rs:39:9 [INFO] [stderr] | [INFO] [stderr] 39 | let _enve1Copy = Envelope { [INFO] [stderr] | ^^^^^^^^^^ help: convert the identifier to snake case: `_enve1_copy` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `INPROGRESS` [INFO] [stderr] --> src/bin/enum.rs:12:9 [INFO] [stderr] | [INFO] [stderr] 12 | INPROGRESS, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `WORKED` [INFO] [stderr] --> src/bin/enum.rs:13:9 [INFO] [stderr] | [INFO] [stderr] 13 | WORKED(String), [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `by` [INFO] [stderr] --> src/bin/enum.rs:15:17 [INFO] [stderr] | [INFO] [stderr] 15 | STORED{ by: String, when: String }, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `when` [INFO] [stderr] --> src/bin/enum.rs:15:29 [INFO] [stderr] | [INFO] [stderr] 15 | STORED{ by: String, when: String }, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `_enve1Copy` should have a snake case name [INFO] [stderr] --> src/bin/structs.rs:39:9 [INFO] [stderr] | [INFO] [stderr] 39 | let _enve1Copy = Envelope { [INFO] [stderr] | ^^^^^^^^^^ help: convert the identifier to snake case: `_enve1_copy` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.76s [INFO] running `"docker" "inspect" "e97cba414b16f49c054d9f36686f9d301d191f67dbb0088a5dfc349889134d35"` [INFO] running `"docker" "rm" "-f" "e97cba414b16f49c054d9f36686f9d301d191f67dbb0088a5dfc349889134d35"` [INFO] [stdout] e97cba414b16f49c054d9f36686f9d301d191f67dbb0088a5dfc349889134d35