[INFO] cloning repository https://github.com/llasram/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/llasram/euler-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllasram%2Feuler-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllasram%2Feuler-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 76aec17af7a3e6ecc99f06dbd9f6c7ae8cc9329f
[INFO] checking llasram/euler-rust against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllasram%2Feuler-rust" "/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/llasram/euler-rust on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/llasram/euler-rust
[INFO] finished tweaking git repo https://github.com/llasram/euler-rust
[INFO] tweaked toml for git repo https://github.com/llasram/euler-rust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/llasram/euler-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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_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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a455dd7d1712111403085e28a56360f1c3735cba602f6e5e6dd8e479a2ffff5d
[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" "a455dd7d1712111403085e28a56360f1c3735cba602f6e5e6dd8e479a2ffff5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a455dd7d1712111403085e28a56360f1c3735cba602f6e5e6dd8e479a2ffff5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a455dd7d1712111403085e28a56360f1c3735cba602f6e5e6dd8e479a2ffff5d", kill_on_drop: false }`
[INFO] [stdout] a455dd7d1712111403085e28a56360f1c3735cba602f6e5e6dd8e479a2ffff5d
[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=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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45419fe313587fe136fcfd26822998c71f3c3ada5d43e8bb185c8c49dd8a505c
[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" "45419fe313587fe136fcfd26822998c71f3c3ada5d43e8bb185c8c49dd8a505c", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking euler-rust v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]   --> src/primes.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |     #[allow(unstable)]
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `us` for number literal
[INFO] [stdout]   --> src/stutter.rs:80:29
[INFO] [stdout]    |
[INFO] [stdout] 80 |             let mut count = 1us;
[INFO] [stdout]    |                             ^^^ invalid suffix `us`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `us` for number literal
[INFO] [stdout]    --> src/early.rs:129:6
[INFO] [stdout]     |
[INFO] [stdout] 129 |     (1us..).scan(0us, |prev, i| {
[INFO] [stdout]     |      ^^^ invalid suffix `us`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `us` for number literal
[INFO] [stdout]    --> src/early.rs:129:18
[INFO] [stdout]     |
[INFO] [stdout] 129 |     (1us..).scan(0us, |prev, i| {
[INFO] [stdout]     |                  ^^^ invalid suffix `us`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]   --> src/early.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[allow(unstable)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]   --> src/early.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[allow(unstable)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]   --> src/early.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 | #[allow(unstable)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]   --> src/early.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 | #[allow(unstable)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]   --> src/early.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 | #[allow(unstable)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]   --> src/early.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 | #[allow(unstable)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]   --> src/early.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 | #[allow(unstable)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]   --> src/early.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 | #[allow(unstable)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]    --> src/early.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 | #[allow(unstable)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]    --> src/early.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 | #[allow(unstable)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]   --> src/e11.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[allow(unstable)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]   --> src/e11.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | #[allow(unstable)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]   --> src/e11.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 | #[allow(unstable)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]   --> src/e11.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 | #[allow(unstable)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]  --> src/e13.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[allow(unstable)]
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]   --> src/e14.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[allow(unstable)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::num::Float`
[INFO] [stdout]  --> src/primes.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::num::Float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ no `Float` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::collections::RingBuf`
[INFO] [stdout]  --> src/early.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::RingBuf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^ no `RingBuf` in `collections`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::io::File`, `std::io::BufferedReader`
[INFO] [stdout]  --> src/early.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{File, BufferedReader};
[INFO] [stdout]   |               ^^^^  ^^^^^^^^^^^^^^ no `BufferedReader` in `io`
[INFO] [stdout]   |               |
[INFO] [stdout]   |               no `File` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::iter::iterate`
[INFO] [stdout]  --> src/early.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::iter::{iterate, repeat};
[INFO] [stdout]   |                 ^^^^^^^ no `iterate` in `iter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::num::Int`
[INFO] [stdout]  --> src/early.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::num::Int;
[INFO] [stdout]   |     ^^^^^^^^^^^^^ no `Int` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::io::File`
[INFO] [stdout]  --> src/e11.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^ no `File` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::io::BufferedReader`, `std::io::File`
[INFO] [stdout]  --> src/e13.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{BufferedReader,File};
[INFO] [stdout]   |               ^^^^^^^^^^^^^^ ^^^^ no `File` in `io`
[INFO] [stdout]   |               |
[INFO] [stdout]   |               no `BufferedReader` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Show` in this scope
[INFO] [stdout]   --> src/stutter.rs:21:16
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[derive(Clone,Show)]
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Show` in this scope
[INFO] [stdout]   --> src/stutter.rs:57:16
[INFO] [stdout]    |
[INFO] [stdout] 57 | #[derive(Clone,Show)]
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Show` in this scope
[INFO] [stdout]  --> src/e11.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Show)]
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Show` in this scope
[INFO] [stdout]  --> src/e11.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(Show)]
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `count` in module `iter`
[INFO] [stdout]   --> src/primes.rs:35:32
[INFO] [stdout]    |
[INFO] [stdout] 35 |                 let p1 = iter::count(p + 2, 2).find(|&i| {
[INFO] [stdout]    |                                ^^^^^ not found in `iter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]   --> src/primes.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |     #[allow(unstable)]
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `us` for number literal
[INFO] [stdout]   --> src/stutter.rs:80:29
[INFO] [stdout]    |
[INFO] [stdout] 80 |             let mut count = 1us;
[INFO] [stdout]    |                             ^^^ invalid suffix `us`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `us` for number literal
[INFO] [stdout]    --> src/early.rs:129:6
[INFO] [stdout]     |
[INFO] [stdout] 129 |     (1us..).scan(0us, |prev, i| {
[INFO] [stdout]     |      ^^^ invalid suffix `us`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `us` for number literal
[INFO] [stdout]    --> src/early.rs:129:18
[INFO] [stdout]     |
[INFO] [stdout] 129 |     (1us..).scan(0us, |prev, i| {
[INFO] [stdout]     |                  ^^^ invalid suffix `us`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]   --> src/early.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[allow(unstable)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]   --> src/early.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[allow(unstable)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]   --> src/early.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 | #[allow(unstable)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]   --> src/early.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 | #[allow(unstable)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]   --> src/early.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 | #[allow(unstable)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]   --> src/early.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 | #[allow(unstable)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]   --> src/early.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 | #[allow(unstable)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]   --> src/early.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 | #[allow(unstable)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]    --> src/early.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 | #[allow(unstable)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]    --> src/early.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 | #[allow(unstable)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]   --> src/e11.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[allow(unstable)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]   --> src/e11.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | #[allow(unstable)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Path`
[INFO] [stdout]   --> src/early.rs:89:16
[INFO] [stdout]    |
[INFO] [stdout] 89 |     let path = Path::new("data/e8.txt");
[INFO] [stdout]    |                ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::path::Path;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Path` in this scope
[INFO] [stdout]   --> src/e11.rs:18:52
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn load(ncols: usize, nrows: usize, path: &Path) -> Grid {
[INFO] [stdout]    |                                                    ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::path::Path;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Path`
[INFO] [stdout]   --> src/e11.rs:81:16
[INFO] [stdout]    |
[INFO] [stdout] 81 |     let path = Path::new("data/e11.txt");
[INFO] [stdout]    |                ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::path::Path;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Path`
[INFO] [stdout]  --> src/e13.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let path = Path::new("data/e13.txt");
[INFO] [stdout]   |                ^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::path::Path;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/early.rs:60:14
[INFO] [stdout]    |
[INFO] [stdout] 60 |     for i in (2..max) {
[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 block return value
[INFO] [stdout]   --> src/early.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 | /     ((1..max).fold(0, |a, x| a + x).pow(2)
[INFO] [stdout] 78 | |      - (1..max).fold(0, |a, x| a + x.pow(2)))
[INFO] [stdout]    | |_____________________________________________^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 77 |     (1..max).fold(0, |a, x| a + x).pow(2)
[INFO] [stdout] 78 |      - (1..max).fold(0, |a, x| a + x.pow(2))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/e11.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         (row < self.nrows && col < self.ncols)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/e11.rs:39:18
[INFO] [stdout]    |
[INFO] [stdout] 39 |         for _ in (0..count) {
[INFO] [stdout]    |                  ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]   --> src/e11.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 | #[allow(unstable)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]   --> src/e11.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 | #[allow(unstable)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]  --> src/e13.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[allow(unstable)]
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]   --> src/e14.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[allow(unstable)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::num::Float`
[INFO] [stdout]  --> src/primes.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::num::Float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ no `Float` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::collections::RingBuf`
[INFO] [stdout]  --> src/early.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::RingBuf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^ no `RingBuf` in `collections`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::io::File`, `std::io::BufferedReader`
[INFO] [stdout]  --> src/early.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{File, BufferedReader};
[INFO] [stdout]   |               ^^^^  ^^^^^^^^^^^^^^ no `BufferedReader` in `io`
[INFO] [stdout]   |               |
[INFO] [stdout]   |               no `File` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::iter::iterate`
[INFO] [stdout]  --> src/early.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::iter::{iterate, repeat};
[INFO] [stdout]   |                 ^^^^^^^ no `iterate` in `iter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::num::Int`
[INFO] [stdout]  --> src/early.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::num::Int;
[INFO] [stdout]   |     ^^^^^^^^^^^^^ no `Int` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::io::File`
[INFO] [stdout]  --> src/e11.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^ no `File` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::io::BufferedReader`, `std::io::File`
[INFO] [stdout]  --> src/e13.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{BufferedReader,File};
[INFO] [stdout]   |               ^^^^^^^^^^^^^^ ^^^^ no `File` in `io`
[INFO] [stdout]   |               |
[INFO] [stdout]   |               no `BufferedReader` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Show` in this scope
[INFO] [stdout]   --> src/stutter.rs:21:16
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[derive(Clone,Show)]
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Show` in this scope
[INFO] [stdout]   --> src/stutter.rs:57:16
[INFO] [stdout]    |
[INFO] [stdout] 57 | #[derive(Clone,Show)]
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Show` in this scope
[INFO] [stdout]  --> src/e11.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Show)]
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Show` in this scope
[INFO] [stdout]  --> src/e11.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(Show)]
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `count` in module `iter`
[INFO] [stdout]   --> src/primes.rs:35:32
[INFO] [stdout]    |
[INFO] [stdout] 35 |                 let p1 = iter::count(p + 2, 2).find(|&i| {
[INFO] [stdout]    |                                ^^^^^ not found in `iter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Path`
[INFO] [stdout]   --> src/early.rs:89:16
[INFO] [stdout]    |
[INFO] [stdout] 89 |     let path = Path::new("data/e8.txt");
[INFO] [stdout]    |                ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::path::Path;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Path` in this scope
[INFO] [stdout]   --> src/e11.rs:18:52
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn load(ncols: usize, nrows: usize, path: &Path) -> Grid {
[INFO] [stdout]    |                                                    ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::path::Path;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Path`
[INFO] [stdout]   --> src/e11.rs:81:16
[INFO] [stdout]    |
[INFO] [stdout] 81 |     let path = Path::new("data/e11.txt");
[INFO] [stdout]    |                ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::path::Path;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Path`
[INFO] [stdout]  --> src/e13.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let path = Path::new("data/e13.txt");
[INFO] [stdout]   |                ^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::path::Path;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/early.rs:60:14
[INFO] [stdout]    |
[INFO] [stdout] 60 |     for i in (2..max) {
[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 block return value
[INFO] [stdout]   --> src/early.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 | /     ((1..max).fold(0, |a, x| a + x).pow(2)
[INFO] [stdout] 78 | |      - (1..max).fold(0, |a, x| a + x.pow(2)))
[INFO] [stdout]    | |_____________________________________________^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 77 |     (1..max).fold(0, |a, x| a + x).pow(2)
[INFO] [stdout] 78 |      - (1..max).fold(0, |a, x| a + x.pow(2))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/e11.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         (row < self.nrows && col < self.ncols)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/e11.rs:39:18
[INFO] [stdout]    |
[INFO] [stdout] 39 |         for _ in (0..count) {
[INFO] [stdout]    |                  ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `GridPos: Clone` is not satisfied
[INFO] [stdout]    --> src/e11.rs:5:10
[INFO] [stdout]     |
[INFO] [stdout] 5   | #[derive(Copy)]
[INFO] [stdout]     |          ^^^^ the trait `Clone` is not implemented for `GridPos`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 20 previous errors; 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0412, E0425, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[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[E0277]: the trait bound `GridPos: Clone` is not satisfied
[INFO] [stdout]    --> src/e11.rs:5:10
[INFO] [stdout]     |
[INFO] [stdout] 5   | #[derive(Copy)]
[INFO] [stdout]     |          ^^^^ the trait `Clone` is not implemented for `GridPos`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 20 previous errors; 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0412, E0425, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "45419fe313587fe136fcfd26822998c71f3c3ada5d43e8bb185c8c49dd8a505c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45419fe313587fe136fcfd26822998c71f3c3ada5d43e8bb185c8c49dd8a505c", kill_on_drop: false }`
[INFO] [stdout] 45419fe313587fe136fcfd26822998c71f3c3ada5d43e8bb185c8c49dd8a505c