[INFO] cloning repository https://github.com/ashfordneil/project_euler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ashfordneil/project_euler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fashfordneil%2Fproject_euler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fashfordneil%2Fproject_euler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d69b8e7931d9912a6016b1db0cc5889000293602
[INFO] checking ashfordneil/project_euler against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fashfordneil%2Fproject_euler" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ashfordneil/project_euler on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ashfordneil/project_euler
[INFO] finished tweaking git repo https://github.com/ashfordneil/project_euler
[INFO] tweaked toml for git repo https://github.com/ashfordneil/project_euler written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/ashfordneil/project_euler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a7bc0adf828813f9a3a415b641dc64d97d4a45fef31ef78ca9860cf9a1c2dc8
[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" "2a7bc0adf828813f9a3a415b641dc64d97d4a45fef31ef78ca9860cf9a1c2dc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a7bc0adf828813f9a3a415b641dc64d97d4a45fef31ef78ca9860cf9a1c2dc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a7bc0adf828813f9a3a415b641dc64d97d4a45fef31ef78ca9860cf9a1c2dc8", kill_on_drop: false }`
[INFO] [stdout] 2a7bc0adf828813f9a3a415b641dc64d97d4a45fef31ef78ca9860cf9a1c2dc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f8620e1ee311e6113d8822576aa2095c74d7251617912b802326654fbf85cee1
[INFO] running `Command { std: "docker" "start" "-a" "f8620e1ee311e6113d8822576aa2095c74d7251617912b802326654fbf85cee1", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.1.0
[INFO] [stderr]     Checking itertools v0.5.9
[INFO] [stderr]     Checking project_euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unexpected token: `...`
[INFO] [stdout]   --> src/p6.rs:17:28
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let sum_of_squares = (1...100).map(|x| x * x).fold(0, Add::add);
[INFO] [stdout]    |                            ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `..` for an exclusive range
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let sum_of_squares = (1..100).map(|x| x * x).fold(0, Add::add);
[INFO] [stdout]    |                            ^^
[INFO] [stdout] help: or `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let sum_of_squares = (1..=100).map(|x| x * x).fold(0, Add::add);
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `...`
[INFO] [stdout]   --> src/p6.rs:17:28
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let sum_of_squares = (1...100).map(|x| x * x).fold(0, Add::add);
[INFO] [stdout]    |                            ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `..` for an exclusive range
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let sum_of_squares = (1..100).map(|x| x * x).fold(0, Add::add);
[INFO] [stdout]    |                            ^^
[INFO] [stdout] help: or `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let sum_of_squares = (1..=100).map(|x| x * x).fold(0, Add::add);
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `...`
[INFO] [stdout]   --> src/p6.rs:18:28
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let square_of_sums = (1...100).fold(0 as u32, Add::add).pow(2);
[INFO] [stdout]    |                            ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `..` for an exclusive range
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let square_of_sums = (1..100).fold(0 as u32, Add::add).pow(2);
[INFO] [stdout]    |                            ^^
[INFO] [stdout] help: or `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let square_of_sums = (1..=100).fold(0 as u32, Add::add).pow(2);
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `...`
[INFO] [stdout]   --> src/p6.rs:18:28
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let square_of_sums = (1...100).fold(0 as u32, Add::add).pow(2);
[INFO] [stdout]    |                            ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `..` for an exclusive range
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let square_of_sums = (1..100).fold(0 as u32, Add::add).pow(2);
[INFO] [stdout]    |                            ^^
[INFO] [stdout] help: or `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let square_of_sums = (1..=100).fold(0 as u32, Add::add).pow(2);
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/p6.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(inclusive_range_syntax)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/p6.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(inclusive_range_syntax)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `project_euler`
[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 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stdout]   --> src/p11.rs:86:10
[INFO] [stdout]    |
[INFO] [stdout] 86 |         .into_iter()
[INFO] [stdout]    |          ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f8620e1ee311e6113d8822576aa2095c74d7251617912b802326654fbf85cee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8620e1ee311e6113d8822576aa2095c74d7251617912b802326654fbf85cee1", kill_on_drop: false }`
[INFO] [stdout] f8620e1ee311e6113d8822576aa2095c74d7251617912b802326654fbf85cee1