[INFO] cloning repository gnuvince/vardel [INFO] running `"git" "clone" "--bare" "git://github.com/gnuvince/vardel.git" "work/cache/sources/gh/gnuvince/vardel"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/gnuvince/vardel'... [INFO] running `"git" "clone" "work/cache/sources/gh/gnuvince/vardel" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/gnuvince/vardel"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/gnuvince/vardel'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/gnuvince/vardel" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/gnuvince/vardel"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/gnuvince/vardel'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 289e22b73869e5ee453f59c34d76b390ab33dc91 [INFO] sha for GitHub repo gnuvince/vardel: 289e22b73869e5ee453f59c34d76b390ab33dc91 [INFO] validating manifest of gnuvince/vardel 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 gnuvince/vardel 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 gnuvince/vardel [INFO] finished frobbing gnuvince/vardel [INFO] frobbed toml for gnuvince/vardel written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/gnuvince/vardel/Cargo.toml [INFO] started frobbing gnuvince/vardel [INFO] finished frobbing gnuvince/vardel [INFO] frobbed toml for gnuvince/vardel written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/gnuvince/vardel/Cargo.toml [INFO] crate gnuvince/vardel 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] checking gnuvince/vardel 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/gnuvince/vardel:/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] e7977d72eea0b395ef822f6771f8d4c622eb755cad23dcaa6191bc1330db57b0 [INFO] running `"docker" "start" "-a" "e7977d72eea0b395ef822f6771f8d4c622eb755cad23dcaa6191bc1330db57b0"` [INFO] [stderr] Checking assert_matches v1.3.0 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking tempfile v3.0.7 [INFO] [stderr] Checking rusty-fork v0.2.2 [INFO] [stderr] Checking proptest v0.9.2 [INFO] [stderr] Checking vardel v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/lib.rs:88:1 [INFO] [stderr] | [INFO] [stderr] 88 | / /// Decodes a slice of bytes into a vector of u64s, `v`. [INFO] [stderr] 89 | | /// Returns `Some(v)` if all digits could be successfully decoded, [INFO] [stderr] 90 | | /// and `None` if one digit was ill-formed. [INFO] [stderr] | |___________________________________________^ [INFO] [stderr] 91 | [INFO] [stderr] 92 | encoder!(encode_u64, u64); [INFO] [stderr] | -------------------------- rustdoc does not generate documentation for macro expansions [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_doc_comments)] on by default [INFO] [stderr] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::error::Error` [INFO] [stderr] --> src/main.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::error::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `BufRead`, `self` [INFO] [stderr] --> src/main.rs:2:15 [INFO] [stderr] | [INFO] [stderr] 2 | use std::io::{self, BufRead}; [INFO] [stderr] | ^^^^ ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Duration`, `Instant` [INFO] [stderr] --> src/main.rs:3:17 [INFO] [stderr] | [INFO] [stderr] 3 | use std::time::{Duration, Instant}; [INFO] [stderr] | ^^^^^^^^ ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `binary` [INFO] [stderr] --> src/main.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | fn binary(v: &[u8], n: usize) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/lib.rs:88:1 [INFO] [stderr] | [INFO] [stderr] 88 | / /// Decodes a slice of bytes into a vector of u64s, `v`. [INFO] [stderr] 89 | | /// Returns `Some(v)` if all digits could be successfully decoded, [INFO] [stderr] 90 | | /// and `None` if one digit was ill-formed. [INFO] [stderr] | |___________________________________________^ [INFO] [stderr] 91 | [INFO] [stderr] 92 | encoder!(encode_u64, u64); [INFO] [stderr] | -------------------------- rustdoc does not generate documentation for macro expansions [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_doc_comments)] on by default [INFO] [stderr] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::error::Error` [INFO] [stderr] --> src/main.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::error::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `BufRead`, `self` [INFO] [stderr] --> src/main.rs:2:15 [INFO] [stderr] | [INFO] [stderr] 2 | use std::io::{self, BufRead}; [INFO] [stderr] | ^^^^ ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Duration`, `Instant` [INFO] [stderr] --> src/main.rs:3:17 [INFO] [stderr] | [INFO] [stderr] 3 | use std::time::{Duration, Instant}; [INFO] [stderr] | ^^^^^^^^ ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `binary` [INFO] [stderr] --> src/main.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | fn binary(v: &[u8], n: usize) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> <::proptest::sugar::proptest_helper macros>:111:38 [INFO] [stderr] | [INFO] [stderr] 106 | @ _BODY $ config : ident ( $ ( $ parm : pat in $ strategy : expr ) , + ) [ [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 111 | proptest_helper ! ( @ _WRAPSTR ( $ ( $ parm ) , * ) ) ; match runner . run ( [INFO] [stderr] | ^^^^^^ - conflicting repetition [INFO] [stderr] | [INFO] [stderr] = note: #[deny(meta_variable_misuse)] on by default [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> <::proptest::sugar::proptest_helper macros>:113:46 [INFO] [stderr] | [INFO] [stderr] 106 | @ _BODY $ config : ident ( $ ( $ parm : pat in $ strategy : expr ) , + ) [ [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 113 | $ crate :: proptest_helper ! ( @ _WRAP ( $ ( $ strategy ) * ) ) , | values | $ [INFO] [stderr] | ^^^^^^^^^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> <::proptest::sugar::proptest_helper macros>:116:53 [INFO] [stderr] | [INFO] [stderr] 106 | @ _BODY $ config : ident ( $ ( $ parm : pat in $ strategy : expr ) , + ) [ [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 116 | _ , $ crate :: proptest_helper ! ( @ _WRAPPAT ( $ ( $ parm ) , * ) ) ) | { [INFO] [stderr] | ^^^^^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> <::proptest::sugar::proptest_helper macros>:124:39 [INFO] [stderr] | [INFO] [stderr] 119 | @ _BODY2 $ config : ident ( $ ( $ arg : tt ) + ) [ $ ( $ mod : tt ) * ] $ body [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 124 | proptest_helper ! ( @ _EXT _STR ( $ ( $ arg ) * ) ) ; match runner . run ( [INFO] [stderr] | ^^^^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> <::proptest::sugar::proptest_helper macros>:126:52 [INFO] [stderr] | [INFO] [stderr] 119 | @ _BODY2 $ config : ident ( $ ( $ arg : tt ) + ) [ $ ( $ mod : tt ) * ] $ body [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 126 | $ crate :: proptest_helper ! ( @ _EXT _STRAT ( $ ( $ arg ) * ) ) , | values | [INFO] [stderr] | ^^^^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> <::proptest::sugar::proptest_helper macros>:129:54 [INFO] [stderr] | [INFO] [stderr] 119 | @ _BODY2 $ config : ident ( $ ( $ arg : tt ) + ) [ $ ( $ mod : tt ) * ] $ body [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 129 | _ , $ crate :: proptest_helper ! ( @ _EXT _PAT ( $ ( $ arg ) * ) ) ) | { [INFO] [stderr] | ^^^^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: aborting due to 6 previous errors [INFO] [stderr] [INFO] [stderr] error: Could not compile `vardel`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "e7977d72eea0b395ef822f6771f8d4c622eb755cad23dcaa6191bc1330db57b0"` [INFO] running `"docker" "rm" "-f" "e7977d72eea0b395ef822f6771f8d4c622eb755cad23dcaa6191bc1330db57b0"` [INFO] [stdout] e7977d72eea0b395ef822f6771f8d4c622eb755cad23dcaa6191bc1330db57b0