[INFO] cloning repository https://github.com/gdeb/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/gdeb/euler-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgdeb%2Feuler-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgdeb%2Feuler-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 17ee393a6478fb0dd7beb1f2b412c9c669bfc5e4
[INFO] checking gdeb/euler-rust against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgdeb%2Feuler-rust" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gdeb/euler-rust on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gdeb/euler-rust
[INFO] finished tweaking git repo https://github.com/gdeb/euler-rust
[INFO] tweaked toml for git repo https://github.com/gdeb/euler-rust written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/gdeb/euler-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a37bad78ab6a42dd44dcfbf7bb5f06a634e1ec59742b4e468de4821604b26a29
[INFO] running `Command { std: "docker" "start" "-a" "a37bad78ab6a42dd44dcfbf7bb5f06a634e1ec59742b4e468de4821604b26a29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a37bad78ab6a42dd44dcfbf7bb5f06a634e1ec59742b4e468de4821604b26a29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a37bad78ab6a42dd44dcfbf7bb5f06a634e1ec59742b4e468de4821604b26a29", kill_on_drop: false }`
[INFO] [stdout] a37bad78ab6a42dd44dcfbf7bb5f06a634e1ec59742b4e468de4821604b26a29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f14eb423446c4c734a80d9ac2d2d399270c85b0b8803c8be7d11e28ff9e2a762
[INFO] running `Command { std: "docker" "start" "-a" "f14eb423446c4c734a80d9ac2d2d399270c85b0b8803c8be7d11e28ff9e2a762", kill_on_drop: false }`
[INFO] [stderr]     Checking euler-rust v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]   --> src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[allow(unstable)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[allow(unstable)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]   --> src/main.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 | #[allow(unstable)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]   --> src/main.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 | #[allow(unstable)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]   --> src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[allow(unstable)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[allow(unstable)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]   --> src/main.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 | #[allow(unstable)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]   --> src/utils/mod.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[allow(unstable)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]   --> src/main.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 | #[allow(unstable)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]   --> src/utils/mod.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[allow(unstable)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::iter::AdditiveIterator`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::iter::AdditiveIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `AdditiveIterator` in `iter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::num::Int`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::num::Int;
[INFO] [stdout]   |     ^^^^^^^^^^^^^ no `Int` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::iter::MultiplicativeIterator`
[INFO] [stdout]  --> src/utils/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::MultiplicativeIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `MultiplicativeIterator` in `iter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::iter::AdditiveIterator`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::iter::AdditiveIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `AdditiveIterator` in `iter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::num::Int`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::num::Int;
[INFO] [stdout]   |     ^^^^^^^^^^^^^ no `Int` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::iter::MultiplicativeIterator`
[INFO] [stdout]  --> src/utils/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::MultiplicativeIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `MultiplicativeIterator` in `iter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/utils/palindromes.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 |     for i in (0..nbr_digits) {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/utils/palindromes.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 |     for i in (0..nbr_digits) {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0689]: can't call method `pow` on ambiguous numeric type `{integer}`
[INFO] [stdout]   --> src/main.rs:66:37
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let square_of_sum = (100*101/2).pow(2);
[INFO] [stdout]    |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0689]: can't call method `pow` on ambiguous numeric type `{integer}`
[INFO] [stdout]   --> src/main.rs:66:37
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let square_of_sum = (100*101/2).pow(2);
[INFO] [stdout]    |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `map_in_place` found for struct `Vec<u64>` in the current scope
[INFO] [stdout]   --> src/utils/mod.rs:25:27
[INFO] [stdout]    |
[INFO] [stdout] 25 |         factors = factors.map_in_place(|u| {
[INFO] [stdout]    |                           ^^^^^^^^^^^^ method not found in `Vec<u64>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `map_in_place` found for struct `Vec<u64>` in the current scope
[INFO] [stdout]   --> src/utils/mod.rs:25:27
[INFO] [stdout]    |
[INFO] [stdout] 25 |         factors = factors.map_in_place(|u| {
[INFO] [stdout]    |                           ^^^^^^^^^^^^ method not found in `Vec<u64>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `euler-rust` due to 6 previous errors; 6 warnings emitted
[INFO] [stdout] error: aborting due to 5 previous errors; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 5 previous errors; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599, E0689.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599, E0689.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f14eb423446c4c734a80d9ac2d2d399270c85b0b8803c8be7d11e28ff9e2a762", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f14eb423446c4c734a80d9ac2d2d399270c85b0b8803c8be7d11e28ff9e2a762", kill_on_drop: false }`
[INFO] [stdout] f14eb423446c4c734a80d9ac2d2d399270c85b0b8803c8be7d11e28ff9e2a762