[INFO] cloning repository https://github.com/Saydemr/beginner-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Saydemr/beginner-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaydemr%2Fbeginner-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaydemr%2Fbeginner-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fee1c67593a92f4bcc93c1a17646eda83cc249d0
[INFO] checking Saydemr/beginner-rust against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaydemr%2Fbeginner-rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Saydemr/beginner-rust on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Saydemr/beginner-rust
[INFO] finished tweaking git repo https://github.com/Saydemr/beginner-rust
[INFO] tweaked toml for git repo https://github.com/Saydemr/beginner-rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Saydemr/beginner-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf0e3efb5f084bf10677708a4fd32a7d476fb2b3efc21349c66ee55f124d8a72
[INFO] running `Command { std: "docker" "start" "-a" "bf0e3efb5f084bf10677708a4fd32a7d476fb2b3efc21349c66ee55f124d8a72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf0e3efb5f084bf10677708a4fd32a7d476fb2b3efc21349c66ee55f124d8a72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf0e3efb5f084bf10677708a4fd32a7d476fb2b3efc21349c66ee55f124d8a72", kill_on_drop: false }`
[INFO] [stdout] bf0e3efb5f084bf10677708a4fd32a7d476fb2b3efc21349c66ee55f124d8a72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd0cd9003c18e049183650e7f354d249a9d7c4f039c662a961999a7de265f4a4
[INFO] running `Command { std: "docker" "start" "-a" "dd0cd9003c18e049183650e7f354d249a9d7c4f039c662a961999a7de265f4a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]     Checking iana-time-zone v0.1.53
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking chrono v0.4.23
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking activities v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `Red` and `Black` are never constructed
[INFO] [stdout]   --> src/bin/a7.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum Color {
[INFO] [stdout]    |      ----- variants in this enum
[INFO] [stdout] 14 |     Red,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 15 |     Black,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part_1` is never used
[INFO] [stdout]   --> src/bin/a23.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn part_1() -> bool {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part_2` is never used
[INFO] [stdout]   --> src/bin/a23.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn part_2() -> Option<Access> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part_3` is never used
[INFO] [stdout]   --> src/bin/a23.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn part_3() -> Access {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Admin`, `User`, and `Guest` are never constructed
[INFO] [stdout]   --> src/bin/a23.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | enum Access {
[INFO] [stdout]    |      ------ variants in this enum
[INFO] [stdout] 34 |     Admin,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 35 |     User,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 36 |     Guest,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Access` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `maybe_access` is never used
[INFO] [stdout]   --> src/bin/a23.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn maybe_access(name: &str) -> Option<Access> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `root` is never used
[INFO] [stdout]   --> src/bin/a23.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn root() -> Option<Access> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Salty` and `Sour` are never constructed
[INFO] [stdout]   --> src/bin/a8.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | enum Flavor {
[INFO] [stdout]    |      ------ variants in this enum
[INFO] [stdout] 13 |     Yummy,
[INFO] [stdout] 14 |     Salty,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 15 |     Sour
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/bin/a28.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | enum Color {
[INFO] [stdout]    |      ----- variants in this enum
[INFO] [stdout] 15 |     Black,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 16 |     Blue,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 17 |     Brown,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 18 |     Custom(String),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 19 |     Gray,
[INFO] [stdout] 20 |     Green,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 21 |     Purple,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 22 |     Red,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 23 |     White,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 24 |     Yellow,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Red` and `Black` are never constructed
[INFO] [stdout]   --> src/bin/a7.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum Color {
[INFO] [stdout]    |      ----- variants in this enum
[INFO] [stdout] 14 |     Red,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 15 |     Black,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/bin/a9.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let (x, y) = xy_coordinate();
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `clamp` is never used
[INFO] [stdout]   --> src/bin/a22.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn clamp(n: i32, lower: i32, upper: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `div` is never used
[INFO] [stdout]   --> src/bin/a22.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn div(a: i32, b: i32) -> Option<i32> {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `concat` is never used
[INFO] [stdout]   --> src/bin/a22.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn concat(first: &str, second: &str) -> String {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `user_id` and `name` are never read
[INFO] [stdout]   --> src/bin/a21.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct User {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 13 |     user_id: i32,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 14 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/bin/a9.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let (x, y) = xy_coordinate();
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/bin/a28.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | enum Color {
[INFO] [stdout]    |      ----- variants in this enum
[INFO] [stdout] 15 |     Black,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 16 |     Blue,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 17 |     Brown,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 18 |     Custom(String),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 19 |     Gray,
[INFO] [stdout] 20 |     Green,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 21 |     Purple,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 22 |     Red,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 23 |     White,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 24 |     Yellow,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `user_id` and `name` are never read
[INFO] [stdout]   --> src/bin/a21.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct User {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 13 |     user_id: i32,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 14 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Salty` and `Sour` are never constructed
[INFO] [stdout]   --> src/bin/a8.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | enum Flavor {
[INFO] [stdout]    |      ------ variants in this enum
[INFO] [stdout] 13 |     Yummy,
[INFO] [stdout] 14 |     Salty,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 15 |     Sour
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_some` found for type `bool` in the current scope
[INFO] [stdout]   --> src/bin/p1.rs:85:41
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let mut checky = bills.remove(name).is_some();
[INFO] [stdout]    |                                         ^^^^^^^ method not found in `bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_some` found for type `bool` in the current scope
[INFO] [stdout]   --> src/bin/p1.rs:85:41
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let mut checky = bills.remove(name).is_some();
[INFO] [stdout]    |                                         ^^^^^^^ method not found in `bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `activities` (bin "p1" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `activities` (bin "p1") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "dd0cd9003c18e049183650e7f354d249a9d7c4f039c662a961999a7de265f4a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd0cd9003c18e049183650e7f354d249a9d7c4f039c662a961999a7de265f4a4", kill_on_drop: false }`
[INFO] [stdout] dd0cd9003c18e049183650e7f354d249a9d7c4f039c662a961999a7de265f4a4
