[INFO] cloning repository https://github.com/ijanos/euler-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ijanos/euler-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fijanos%2Feuler-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fijanos%2Feuler-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64e830a51ebc5da9eda9ec618b0918c3ec208d34
[INFO] checking ijanos/euler-rust against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fijanos%2Feuler-rust" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ijanos/euler-rust on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ijanos/euler-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-complex v0.1.35
[INFO] [stderr]   Downloaded num v0.1.36
[INFO] [stderr]   Downloaded num-integer v0.1.32
[INFO] [stderr]   Downloaded num-iter v0.1.32
[INFO] [stderr]   Downloaded num-bigint v0.1.35
[INFO] [stderr]   Downloaded time v0.1.35
[INFO] [stderr]   Downloaded chrono v0.2.25
[INFO] [stderr]   Downloaded libc v0.2.17
[INFO] [stderr]   Downloaded num-rational v0.1.35
[INFO] [stderr]   Downloaded rand v0.3.14
[INFO] [stderr]   Downloaded num-traits v0.1.36
[INFO] [stderr]   Downloaded rustc-serialize v0.3.21
[INFO] [stderr]   Downloaded itertools v0.4.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d921e39880a59ae4359457bebab685728050d0033d0d48e9bf5838e548bd7758
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d921e39880a59ae4359457bebab685728050d0033d0d48e9bf5838e548bd7758", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d921e39880a59ae4359457bebab685728050d0033d0d48e9bf5838e548bd7758", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d921e39880a59ae4359457bebab685728050d0033d0d48e9bf5838e548bd7758", kill_on_drop: false }`
[INFO] [stdout] d921e39880a59ae4359457bebab685728050d0033d0d48e9bf5838e548bd7758
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f71441f7d7e4e6a864f3b1e2e4d7f36fdcd00b211846286a42cc33b0f44aaf7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7f71441f7d7e4e6a864f3b1e2e4d7f36fdcd00b211846286a42cc33b0f44aaf7", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.17
[INFO] [stderr]     Checking rustc-serialize v0.3.21
[INFO] [stderr]     Checking itertools v0.4.19
[INFO] [stderr]     Checking num-integer v0.1.32
[INFO] [stderr]     Checking num-iter v0.1.32
[INFO] [stderr]     Checking rand v0.3.14
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]     Checking num-bigint v0.1.35
[INFO] [stderr]     Checking num-complex 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] [stdout] warning: unknown lint: `zero_prefixed_literal`
[INFO] [stdout]  --> src/euler11.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[allow(zero_prefixed_literal)]
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `zero_prefixed_literal`
[INFO] [stdout]  --> src/euler11.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[allow(zero_prefixed_literal)]
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/euler54.rs:112:17
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let r = try!(r.parse::<Rank>());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/euler54.rs:113:17
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let s = try!(s.parse::<Suit>());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/euler54.rs:112:17
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let r = try!(r.parse::<Rank>());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/euler54.rs:113:17
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let s = try!(s.parse::<Suit>());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]   --> src/euler49.rs:27:19
[INFO] [stdout]    |
[INFO] [stdout] 27 |                  .flatten()
[INFO] [stdout]    |                   ^^^^^^^ multiple `flatten` found
[INFO] [stdout]    |
[INFO] [stdout]    = note: candidate #1 is defined in an impl of the trait `std::iter::Iterator` for the type `std::iter::Filter<I, P>`
[INFO] [stdout]    = note: candidate #2 is defined in an impl of the trait `itertools::Itertools` for the type `T`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let r = std::iter::Iterator::flatten(v.iter()
[INFO] [stdout] 25 |                  .combinations_n(3)
[INFO] [stdout] 26 |                  .filter(|c| is_seq(c)))
[INFO] [stdout]    |
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let r = itertools::Itertools::flatten(v.iter()
[INFO] [stdout] 25 |                  .combinations_n(3)
[INFO] [stdout] 26 |                  .filter(|c| is_seq(c)))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]   --> src/euler49.rs:27:19
[INFO] [stdout]    |
[INFO] [stdout] 27 |                  .flatten()
[INFO] [stdout]    |                   ^^^^^^^ multiple `flatten` found
[INFO] [stdout]    |
[INFO] [stdout]    = note: candidate #1 is defined in an impl of the trait `std::iter::Iterator` for the type `std::iter::Filter<I, P>`
[INFO] [stdout]    = note: candidate #2 is defined in an impl of the trait `itertools::Itertools` for the type `T`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let r = std::iter::Iterator::flatten(v.iter()
[INFO] [stdout] 25 |                  .combinations_n(3)
[INFO] [stdout] 26 |                  .filter(|c| is_seq(c)))
[INFO] [stdout]    |
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let r = itertools::Itertools::flatten(v.iter()
[INFO] [stdout] 25 |                  .combinations_n(3)
[INFO] [stdout] 26 |                  .filter(|c| is_seq(c)))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `euler-rust`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7f71441f7d7e4e6a864f3b1e2e4d7f36fdcd00b211846286a42cc33b0f44aaf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f71441f7d7e4e6a864f3b1e2e4d7f36fdcd00b211846286a42cc33b0f44aaf7", kill_on_drop: false }`
[INFO] [stdout] 7f71441f7d7e4e6a864f3b1e2e4d7f36fdcd00b211846286a42cc33b0f44aaf7
