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[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/renato-zannon/rust-project_euler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frenato-zannon%2Frust-project_euler", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e57d405148a4ed7fd8760d32eeb6153c4b017479
[INFO] checking renato-zannon/rust-project_euler against beta-2021-10-15 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frenato-zannon%2Frust-project_euler" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/renato-zannon/rust-project_euler on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/renato-zannon/rust-project_euler
[INFO] finished tweaking git repo https://github.com/renato-zannon/rust-project_euler
[INFO] tweaked toml for git repo https://github.com/renato-zannon/rust-project_euler written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/renato-zannon/rust-project_euler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cf42acf7ad8e5e9ebfeb63212232b57f07638810ddee73e45717920c47de609e
[INFO] running `Command { std: "docker" "start" "-a" "cf42acf7ad8e5e9ebfeb63212232b57f07638810ddee73e45717920c47de609e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf42acf7ad8e5e9ebfeb63212232b57f07638810ddee73e45717920c47de609e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf42acf7ad8e5e9ebfeb63212232b57f07638810ddee73e45717920c47de609e", kill_on_drop: false }`
[INFO] [stdout] cf42acf7ad8e5e9ebfeb63212232b57f07638810ddee73e45717920c47de609e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "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] 1799dd49df36da619eadf235f0057120b254ee82a6831ab9f0d0e5c80747ad13
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[INFO] [stderr]     Checking tokio-sync v0.1.6
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[INFO] [stderr]     Checking publicsuffix v1.5.2
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[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]   --> src/bin/11.rs:80:28
[INFO] [stdout]    |
[INFO] [stdout] 80 |         .map(|slice| slice.into_iter().fold(1, |acc, num| acc * num))
[INFO] [stdout]    |                            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 80 |         .map(|slice| slice.iter().fold(1, |acc, num| acc * num))
[INFO] [stdout]    |                            ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 80 |         .map(|slice| IntoIterator::into_iter(slice).fold(1, |acc, num| acc * num))
[INFO] [stdout]    |                      ++++++++++++++++++++++++     ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]   --> src/bin/23.rs:32:10
[INFO] [stdout]    |
[INFO] [stdout] 32 |         .into_iter()
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 32 |         .iter()
[INFO] [stdout]    |          ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 31 |     IntoIterator::into_iter(numbers)
[INFO] [stdout]    |     ++++++++++++++++++++++++       ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]   --> src/bin/23.rs:32:10
[INFO] [stdout]    |
[INFO] [stdout] 32 |         .into_iter()
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 32 |         .iter()
[INFO] [stdout]    |          ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 31 |     IntoIterator::into_iter(numbers)
[INFO] [stdout]    |     ++++++++++++++++++++++++       ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FractionType`, `divide_square`
[INFO] [stdout]   --> src/bin/64.rs:42:34
[INFO] [stdout]    |
[INFO] [stdout] 42 | use shared::continued_fraction::{divide_square, FractionType};
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAX_N`
[INFO] [stdout]   --> src/bin/64.rs:44:1
[INFO] [stdout]    |
[INFO] [stdout] 44 | const MAX_N: u32 = 10_000;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]   --> src/bin/11.rs:80:28
[INFO] [stdout]    |
[INFO] [stdout] 80 |         .map(|slice| slice.into_iter().fold(1, |acc, num| acc * num))
[INFO] [stdout]    |                            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 80 |         .map(|slice| slice.iter().fold(1, |acc, num| acc * num))
[INFO] [stdout]    |                            ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 80 |         .map(|slice| IntoIterator::into_iter(slice).fold(1, |acc, num| acc * num))
[INFO] [stdout]    |                      ++++++++++++++++++++++++     ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking hyper v0.12.30
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling cssparser v0.25.6
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling html5ever v0.22.5
[INFO] [stderr]    Compiling cssparser-macros v0.3.5
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling structopt-derive v0.2.16
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking structopt v0.2.16
[INFO] [stderr]     Checking serde v1.0.92
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking csv v1.0.7
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking tinytemplate v1.0.2
[INFO] [stderr]     Checking handlebars v1.1.0
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Checking reqwest v0.9.18
[INFO] [stderr]    Compiling markup5ever v0.7.5
[INFO] [stdout] error[E0432]: unresolved import `self::criterion`
[INFO] [stdout]  --> shared/benches/digits.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use self::criterion::*;
[INFO] [stdout]   |           ^^^^^^^^^ could not find `criterion` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `criterion_group` in this scope
[INFO] [stdout]   --> shared/benches/digits.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | criterion_group!(benches, bench);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing this macro:
[INFO] [stdout]            criterion::criterion_group
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `criterion_main` in this scope
[INFO] [stdout]   --> shared/benches/digits.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | criterion_main!(benches);
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing this macro:
[INFO] [stdout]            criterion::criterion_main
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Criterion` in this scope
[INFO] [stdout]  --> shared/benches/digits.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn bench(c: &mut Criterion) {
[INFO] [stdout]   |                  ^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 1 | use criterion::Criterion;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Bencher` in this scope
[INFO] [stdout]  --> shared/benches/digits.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 |         |b: &mut Bencher, n: &u64| {
[INFO] [stdout]   |                  ^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 1 | use criterion::Bencher;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `digits`
[INFO] [stdout]   --> shared/benches/digits.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / use self::criterion::*;
[INFO] [stdout] 2  | | use shared::digits::{self, Digits};
[INFO] [stdout] 3  | |
[INFO] [stdout] 4  | | fn bench(c: &mut Criterion) {
[INFO] [stdout] ...  |
[INFO] [stdout] 22 | | criterion_group!(benches, bench);
[INFO] [stdout] 23 | | criterion_main!(benches);
[INFO] [stdout]    | |_________________________^ consider adding a `main` function to `shared/benches/digits.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0432, E0601.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `shared` due to 7 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1799dd49df36da619eadf235f0057120b254ee82a6831ab9f0d0e5c80747ad13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1799dd49df36da619eadf235f0057120b254ee82a6831ab9f0d0e5c80747ad13", kill_on_drop: false }`
[INFO] [stdout] 1799dd49df36da619eadf235f0057120b254ee82a6831ab9f0d0e5c80747ad13
