[INFO] cloning repository https://github.com/Turidus/rustAdvent
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Turidus/rustAdvent" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTuridus%2FrustAdvent", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTuridus%2FrustAdvent'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] efac27758bfcf962ab21f0e25d45374c1bff2043
[INFO] checking Turidus/rustAdvent against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTuridus%2FrustAdvent" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Turidus/rustAdvent
[INFO] finished tweaking git repo https://github.com/Turidus/rustAdvent
[INFO] tweaked toml for git repo https://github.com/Turidus/rustAdvent written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Turidus/rustAdvent on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Turidus/rustAdvent 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ced3625ee9eb6ccbfd92d4c2d461b4e721ba4e88c5f04c1723757deaf8073f0
[INFO] running `Command { std: "docker" "start" "-a" "5ced3625ee9eb6ccbfd92d4c2d461b4e721ba4e88c5f04c1723757deaf8073f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ced3625ee9eb6ccbfd92d4c2d461b4e721ba4e88c5f04c1723757deaf8073f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ced3625ee9eb6ccbfd92d4c2d461b4e721ba4e88c5f04c1723757deaf8073f0", kill_on_drop: false }`
[INFO] [stdout] 5ced3625ee9eb6ccbfd92d4c2d461b4e721ba4e88c5f04c1723757deaf8073f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0b3c49ab175ff9d0861a439a09eb3562ff005efcdbf910aa975f61caefb69db
[INFO] running `Command { std: "docker" "start" "-a" "e0b3c49ab175ff9d0861a439a09eb3562ff005efcdbf910aa975f61caefb69db", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking rust_advent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `answer` is never read
[INFO] [stdout]   --> src/day_ten.rs:11:33
[INFO] [stdout]    |
[INFO] [stdout] 11 |         let mut answer: usize = 0;
[INFO] [stdout]    |                                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day_ten.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let mut answer: usize = 0;
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day_ten.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let input = fs::read_to_string(path)
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cid` is never read
[INFO] [stdout]   --> src/day_four.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout]  4 |     pub struct Rexes {
[INFO] [stdout]    |                ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |         pub cid: Regex
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `quantity` is never read
[INFO] [stdout]   --> src/day_seven.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     struct Rule {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 19 |         color: Color,
[INFO] [stdout] 20 |         quantity: usize
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Rule` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:22:36
[INFO] [stdout]    |
[INFO] [stdout] 22 |     if day < 1 || day > 24 {panic!(usage)}
[INFO] [stdout]    |                                    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 22 |     if day < 1 || day > 24 {panic!("{}", usage)}
[INFO] [stdout]    |                                    +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:26:42
[INFO] [stdout]    |
[INFO] [stdout] 26 |     if puzzle < 1  || puzzle > 2 {panic!(usage)}
[INFO] [stdout]    |                                          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 26 |     if puzzle < 1  || puzzle > 2 {panic!("{}", usage)}
[INFO] [stdout]    |                                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/main.rs:117:22
[INFO] [stdout]     |
[INFO] [stdout] 117 |         _ => {panic!(usage)}
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 117 |         _ => {panic!("{}", usage)}
[INFO] [stdout]     |                      +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]    --> src/day_seven.rs:141:39
[INFO] [stdout]     |
[INFO] [stdout] 141 |         let shiny_gold = Color{ name: "shiny gold".parse().unwrap() };
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_advent` (bin "rust_advent" test) due to 1 previous error; 8 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: value assigned to `answer` is never read
[INFO] [stdout]   --> src/day_ten.rs:11:33
[INFO] [stdout]    |
[INFO] [stdout] 11 |         let mut answer: usize = 0;
[INFO] [stdout]    |                                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day_ten.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let mut answer: usize = 0;
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day_ten.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let input = fs::read_to_string(path)
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cid` is never read
[INFO] [stdout]   --> src/day_four.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout]  4 |     pub struct Rexes {
[INFO] [stdout]    |                ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |         pub cid: Regex
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `quantity` is never read
[INFO] [stdout]   --> src/day_seven.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     struct Rule {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 19 |         color: Color,
[INFO] [stdout] 20 |         quantity: usize
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Rule` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:22:36
[INFO] [stdout]    |
[INFO] [stdout] 22 |     if day < 1 || day > 24 {panic!(usage)}
[INFO] [stdout]    |                                    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 22 |     if day < 1 || day > 24 {panic!("{}", usage)}
[INFO] [stdout]    |                                    +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:26:42
[INFO] [stdout]    |
[INFO] [stdout] 26 |     if puzzle < 1  || puzzle > 2 {panic!(usage)}
[INFO] [stdout]    |                                          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 26 |     if puzzle < 1  || puzzle > 2 {panic!("{}", usage)}
[INFO] [stdout]    |                                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/main.rs:117:22
[INFO] [stdout]     |
[INFO] [stdout] 117 |         _ => {panic!(usage)}
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 117 |         _ => {panic!("{}", usage)}
[INFO] [stdout]     |                      +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]    --> src/day_seven.rs:141:39
[INFO] [stdout]     |
[INFO] [stdout] 141 |         let shiny_gold = Color{ name: "shiny gold".parse().unwrap() };
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_advent` (bin "rust_advent") due to 1 previous error; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e0b3c49ab175ff9d0861a439a09eb3562ff005efcdbf910aa975f61caefb69db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0b3c49ab175ff9d0861a439a09eb3562ff005efcdbf910aa975f61caefb69db", kill_on_drop: false }`
[INFO] [stdout] e0b3c49ab175ff9d0861a439a09eb3562ff005efcdbf910aa975f61caefb69db
