[INFO] cloning repository https://github.com/gobanos/cargo-aoc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gobanos/cargo-aoc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgobanos%2Fcargo-aoc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgobanos%2Fcargo-aoc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7026a13b357800aabe9f6c594c1ee86a15c57340
[INFO] building gobanos/cargo-aoc against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgobanos%2Fcargo-aoc" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gobanos/cargo-aoc on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gobanos/cargo-aoc
[INFO] finished tweaking git repo https://github.com/gobanos/cargo-aoc
[INFO] tweaked toml for git repo https://github.com/gobanos/cargo-aoc written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/gobanos/cargo-aoc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded webbrowser v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ddd8892e7370a1c5c21eb762055c0d8b3f8a160f38278aad8a1b6e36eb1c3ea
[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" "0ddd8892e7370a1c5c21eb762055c0d8b3f8a160f38278aad8a1b6e36eb1c3ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ddd8892e7370a1c5c21eb762055c0d8b3f8a160f38278aad8a1b6e36eb1c3ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ddd8892e7370a1c5c21eb762055c0d8b3f8a160f38278aad8a1b6e36eb1c3ea", kill_on_drop: false }`
[INFO] [stdout] 0ddd8892e7370a1c5c21eb762055c0d8b3f8a160f38278aad8a1b6e36eb1c3ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46949548c4c4370cf3b739f1d9305f0efb9ae7e5e1953ab885dab1879c515c87
[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" "46949548c4c4370cf3b739f1d9305f0efb9ae7e5e1953ab885dab1879c515c87", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling indexmap v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling encoding_rs v0.8.20
[INFO] [stderr]    Compiling mime v0.3.14
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling webbrowser v0.5.2
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling lock_api v0.3.1
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling unicase v2.5.1
[INFO] [stderr]    Compiling tokio-sync v0.1.6
[INFO] [stderr]    Compiling try_from v0.3.2
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling aoc-runner v0.2.2 (/opt/rustwide/workdir/aoc-runner)
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> aoc-runner/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> aoc-runner/src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling url v2.1.0
[INFO] [stderr]    Compiling miniz_oxide v0.3.3
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
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[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling tokio-executor v0.1.8
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling cookie v0.12.0
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[INFO] [stderr]    Compiling tokio-timer v0.2.11
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
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[INFO] [stderr]    Compiling want v0.2.0
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[INFO] [stderr]    Compiling tokio-io v0.1.12
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[INFO] [stderr]    Compiling openssl-sys v0.9.50
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
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[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling backtrace v0.3.38
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling parse-zoneinfo v0.2.0
[INFO] [stderr]    Compiling publicsuffix v1.5.3
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling chrono-tz v0.5.1
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling serde_json v1.0.41
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling toml v0.5.3
[INFO] [stderr]    Compiling aoc-runner-internal v0.1.0 (/opt/rustwide/workdir/aoc-runner-internal)
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling aoc-runner-derive v0.2.2 (/opt/rustwide/workdir/aoc-runner-derive)
[INFO] [stderr]    Compiling reqwest v0.9.21
[INFO] [stdout] warning: unused import: `Generator`
[INFO] [stdout]  --> aoc-runner-derive/src/generator.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::types::{Generator, SpecialType};
[INFO] [stdout]   |                    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `to_snakecase`
[INFO] [stdout]  --> aoc-runner-derive/src/generator.rs:3:34
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::utils::{to_camelcase, to_snakecase};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `proc_macro2 as pm2`
[INFO] [stdout]  --> aoc-runner-derive/src/generator.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use proc_macro2 as pm2;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `to_snakecase`
[INFO] [stdout]  --> aoc-runner-derive/src/out.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::utils::{to_camelcase, to_input, to_snakecase};
[INFO] [stdout]   |                                            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DayPartsBuilder`, `Part`
[INFO] [stdout]  --> aoc-runner-derive/src/out.rs:2:51
[INFO] [stdout]   |
[INFO] [stdout] 2 | use aoc_runner_internal::{Day, DayPart, DayParts, DayPartsBuilder, Part};
[INFO] [stdout]   |                                                   ^^^^^^^^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Generator`, `Solver`
[INFO] [stdout]  --> aoc-runner-derive/src/runner.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::types::{Generator, Solver, SpecialType};
[INFO] [stdout]   |                    ^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `to_snakecase`
[INFO] [stdout]  --> aoc-runner-derive/src/runner.rs:2:56
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::utils::{self, extract_result, to_camelcase, to_snakecase};
[INFO] [stdout]   |                                                        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `proc_macro2 as pm2`
[INFO] [stdout]  --> aoc-runner-derive/src/runner.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use proc_macro2 as pm2;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `year`
[INFO] [stdout]    --> aoc-runner-derive/src/out.rs:211:16
[INFO] [stdout]     |
[INFO] [stdout] 211 | fn write_infos(year: u32) -> Result<DayParts<'static>, Box<dyn error::Error>> {
[INFO] [stdout]     |                ^^^^ help: if this is intentional, prefix it with an underscore: `_year`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `alt`
[INFO] [stdout]   --> aoc-runner-derive/src/utils.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         alt,
[INFO] [stdout]    |         ^^^ help: try ignoring the field: `alt: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_infos`
[INFO] [stdout]    --> aoc-runner-derive/src/out.rs:211:4
[INFO] [stdout]     |
[INFO] [stdout] 211 | fn write_infos(year: u32) -> Result<DayParts<'static>, Box<dyn error::Error>> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_generator`
[INFO] [stdout]   --> aoc-runner-derive/src/types.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn with_generator(&mut self, generator: Generator) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_solver`
[INFO] [stdout]   --> aoc-runner-derive/src/types.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn with_solver(&mut self, solver: Solver) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> aoc-runner-derive/src/types.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_name`
[INFO] [stdout]   --> aoc-runner-derive/src/types.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn get_name(&self) -> syn::Ident {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_out_t`
[INFO] [stdout]   --> aoc-runner-derive/src/types.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn get_out_t(&self) -> pm2::TokenStream {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> aoc-runner-derive/src/types.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn new(name: &syn::Ident, _out_t: &syn::Type, special_type: Option<SpecialType>) -> Solver {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_name`
[INFO] [stdout]   --> aoc-runner-derive/src/types.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn get_name(&self) -> syn::Ident {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `to_snakecase`
[INFO] [stdout]   --> aoc-runner-derive/src/utils.rs:64:15
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub(crate) fn to_snakecase(dp: DayPart) -> syn::Ident {
[INFO] [stdout]    |               ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling advent-of-code-2018 v0.2.0 (/opt/rustwide/workdir/examples/aoc-2018)
[INFO] [stderr]    Compiling boilerplate v0.2.0 (/opt/rustwide/workdir/examples/boilerplate)
[INFO] [stdout] warning: function is never used: `parse_input_day1`
[INFO] [stdout]   --> examples/boilerplate/src/lib.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn parse_input_day1(input: &str) -> Result<Vec<i32>, ParseIntError> {
[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]: the method `generate` exists for reference `&Day1Part2UnwrapGenerator`, but its trait bounds were not satisfied
[INFO] [stdout]    --> examples/boilerplate/src/main.rs:44:38
[INFO] [stdout]     |
[INFO] [stdout] 44  |         let parsed_input = generator.generate(input)?;
[INFO] [stdout]     |                                      ^^^^^^^^ method cannot be called on `&Day1Part2UnwrapGenerator` due to unsatisfied trait bounds
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/workdir/examples/boilerplate/src/lib.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |         pub struct Day1Part2UnwrapGenerator {
[INFO] [stdout]     |         ----------------------------------- doesn't satisfy `Day1Part2UnwrapGenerator: GeneratorDefault`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `Day1Part2UnwrapGenerator: GeneratorDefault`
[INFO] [stdout]             which is required by `&Day1Part2UnwrapGenerator: aoc_runner::Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `[i32]` cannot be known at compilation time
[INFO] [stdout]   --> examples/boilerplate/src/main.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let parsed_input = generator.generate(input)?;
[INFO] [stdout]    |             ^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Sized` is not implemented for `[i32]`
[INFO] [stdout]    = note: all local variables must have a statically known size
[INFO] [stdout]    = help: unsized locals are gated as an unstable feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `[i32]` cannot be known at compilation time
[INFO] [stdout]   --> examples/boilerplate/src/main.rs:44:28
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let parsed_input = generator.generate(input)?;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Sized` is not implemented for `[i32]`
[INFO] [stdout]    = note: all local variables must have a statically known size
[INFO] [stdout]    = help: unsized locals are gated as an unstable feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `[i32]` cannot be known at compilation time
[INFO] [stdout]   --> examples/boilerplate/src/main.rs:44:53
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let parsed_input = generator.generate(input)?;
[INFO] [stdout]    |                                                     ^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Sized` is not implemented for `[i32]`
[INFO] [stdout]    = note: required by `Err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `boilerplate`
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "46949548c4c4370cf3b739f1d9305f0efb9ae7e5e1953ab885dab1879c515c87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46949548c4c4370cf3b739f1d9305f0efb9ae7e5e1953ab885dab1879c515c87", kill_on_drop: false }`
[INFO] [stdout] 46949548c4c4370cf3b739f1d9305f0efb9ae7e5e1953ab885dab1879c515c87
