[INFO] updating cached repository https://github.com/ijanos/euler-rust [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 64e830a51ebc5da9eda9ec618b0918c3ec208d34 [INFO] checking ijanos/euler-rust against master#4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb for pr-64672 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fijanos%2Feuler-rust" "work/builds/worker-3/source"` [INFO] [stderr] Cloning into 'work/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ijanos/euler-rust on toolchain 4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/ijanos/euler-rust [INFO] finished tweaking git repo https://github.com/ijanos/euler-rust [INFO] tweaked toml for git repo https://github.com/ijanos/euler-rust written to work/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/ijanos/euler-rust already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 4e44a68681d3a4baa01a749ac9c8f03e0b4f40832ab59553d8a89e2931dce28b [INFO] running `"docker" "start" "-a" "4e44a68681d3a4baa01a749ac9c8f03e0b4f40832ab59553d8a89e2931dce28b"` [INFO] [stderr] Checking itertools v0.4.19 [INFO] [stderr] Checking rand v0.3.14 [INFO] [stderr] Checking num-complex v0.1.35 [INFO] [stderr] Checking num-bigint v0.1.35 [INFO] [stderr] Checking num-rational v0.1.35 [INFO] [stderr] Checking num v0.1.36 [INFO] [stderr] Checking chrono v0.2.25 [INFO] [stderr] Checking euler-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unknown lint: `zero_prefixed_literal` [INFO] [stderr] --> src/euler11.rs:2:9 [INFO] [stderr] | [INFO] [stderr] 2 | #[allow(zero_prefixed_literal)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unknown_lints)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unknown lint: `zero_prefixed_literal` [INFO] [stderr] --> src/euler11.rs:2:9 [INFO] [stderr] | [INFO] [stderr] 2 | #[allow(zero_prefixed_literal)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unknown_lints)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/euler54.rs:112:17 [INFO] [stderr] | [INFO] [stderr] 112 | let r = try!(r.parse::()); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/euler54.rs:113:17 [INFO] [stderr] | [INFO] [stderr] 113 | let s = try!(s.parse::()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/euler54.rs:112:17 [INFO] [stderr] | [INFO] [stderr] 112 | let r = try!(r.parse::()); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/euler54.rs:113:17 [INFO] [stderr] | [INFO] [stderr] 113 | let s = try!(s.parse::()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] error[E0034]: multiple applicable items in scope [INFO] [stderr] --> src/euler49.rs:27:19 [INFO] [stderr] | [INFO] [stderr] 27 | .flatten() [INFO] [stderr] | ^^^^^^^ multiple `flatten` found [INFO] [stderr] | [INFO] [stderr] = note: candidate #1 is defined in an impl of the trait `std::iter::Iterator` for the type `std::iter::Filter<_, _>` [INFO] [stderr] = help: to disambiguate the method call, write `std::iter::Iterator::flatten(v.iter() [INFO] [stderr] .combinations_n(3) [INFO] [stderr] .filter(|c| is_seq(c)))` instead [INFO] [stderr] = note: candidate #2 is defined in an impl of the trait `itertools::Itertools` for the type `_` [INFO] [stderr] = help: to disambiguate the method call, write `itertools::Itertools::flatten(v.iter() [INFO] [stderr] .combinations_n(3) [INFO] [stderr] .filter(|c| is_seq(c)))` instead [INFO] [stderr] [INFO] [stderr] error[E0034]: multiple applicable items in scope [INFO] [stderr] --> src/euler49.rs:27:19 [INFO] [stderr] | [INFO] [stderr] 27 | .flatten() [INFO] [stderr] | ^^^^^^^ multiple `flatten` found [INFO] [stderr] | [INFO] [stderr] = note: candidate #1 is defined in an impl of the trait `std::iter::Iterator` for the type `std::iter::Filter<_, _>` [INFO] [stderr] = help: to disambiguate the method call, write `std::iter::Iterator::flatten(v.iter() [INFO] [stderr] .combinations_n(3) [INFO] [stderr] .filter(|c| is_seq(c)))` instead [INFO] [stderr] = note: candidate #2 is defined in an impl of the trait `itertools::Itertools` for the type `_` [INFO] [stderr] = help: to disambiguate the method call, write `itertools::Itertools::flatten(v.iter() [INFO] [stderr] .combinations_n(3) [INFO] [stderr] .filter(|c| is_seq(c)))` instead [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0034`. [INFO] [stderr] error: could not compile `euler-rust`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0034`. [INFO] [stderr] error: could not compile `euler-rust`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "4e44a68681d3a4baa01a749ac9c8f03e0b4f40832ab59553d8a89e2931dce28b"` [INFO] running `"docker" "rm" "-f" "4e44a68681d3a4baa01a749ac9c8f03e0b4f40832ab59553d8a89e2931dce28b"` [INFO] [stdout] 4e44a68681d3a4baa01a749ac9c8f03e0b4f40832ab59553d8a89e2931dce28b