[INFO] cloning repository https://github.com/ocstl/advent_of_code_2015
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ocstl/advent_of_code_2015" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Focstl%2Fadvent_of_code_2015", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Focstl%2Fadvent_of_code_2015'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c272977ccb793734d1feceacf14ff30e35e234ef
[INFO] checking ocstl/advent_of_code_2015 against try#446cb600aa4837dd6c513f14fa0d25a909b177d7 for pr-149195
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Focstl%2Fadvent_of_code_2015" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ocstl/advent_of_code_2015
[INFO] finished tweaking git repo https://github.com/ocstl/advent_of_code_2015
[INFO] tweaked toml for git repo https://github.com/ocstl/advent_of_code_2015 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ocstl/advent_of_code_2015 on toolchain 446cb600aa4837dd6c513f14fa0d25a909b177d7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+446cb600aa4837dd6c513f14fa0d25a909b177d7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ocstl/advent_of_code_2015 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" "+446cb600aa4837dd6c513f14fa0d25a909b177d7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking ocstl/advent_of_code_2015 against try#446cb600aa4837dd6c513f14fa0d25a909b177d7 for pr-149195
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Focstl%2Fadvent_of_code_2015" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ocstl/advent_of_code_2015
[INFO] finished tweaking git repo https://github.com/ocstl/advent_of_code_2015
[INFO] tweaked toml for git repo https://github.com/ocstl/advent_of_code_2015 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ocstl/advent_of_code_2015 on toolchain 446cb600aa4837dd6c513f14fa0d25a909b177d7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+446cb600aa4837dd6c513f14fa0d25a909b177d7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ocstl/advent_of_code_2015 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" "+446cb600aa4837dd6c513f14fa0d25a909b177d7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded permutohedron v0.2.4
[INFO] [stderr]   Downloaded md5 v0.6.1
[INFO] [stderr]   Downloaded serde_json v1.0.38
[INFO] [stderr]   Downloaded serde v1.0.88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+446cb600aa4837dd6c513f14fa0d25a909b177d7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5099ef7b6dab2204361995d2dc6eb92a319aad221eb16e88c71b92bf9a55ab58
[INFO] running `Command { std: "docker" "start" "-a" "5099ef7b6dab2204361995d2dc6eb92a319aad221eb16e88c71b92bf9a55ab58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5099ef7b6dab2204361995d2dc6eb92a319aad221eb16e88c71b92bf9a55ab58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5099ef7b6dab2204361995d2dc6eb92a319aad221eb16e88c71b92bf9a55ab58", kill_on_drop: false }`
[INFO] [stdout] 5099ef7b6dab2204361995d2dc6eb92a319aad221eb16e88c71b92bf9a55ab58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+446cb600aa4837dd6c513f14fa0d25a909b177d7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0bda919374a2877a05d8fa2b31df7d1feb64440b2514ff85f074d9893193fcf
[INFO] running `Command { std: "docker" "start" "-a" "c0bda919374a2877a05d8fa2b31df7d1feb64440b2514ff85f074d9893193fcf", kill_on_drop: false }`
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling serde v1.0.88
[INFO] [stderr]     Checking either v1.5.1
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]     Checking md5 v0.6.1
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking serde_json v1.0.38
[INFO] [stderr]     Checking advent_of_code_2015 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> src/bin/day12.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     use super::*;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/bin/day20.rs:36:23
[INFO] [stdout]    |
[INFO] [stdout] 36 |             (0, a @ 1 ... 50, b @ 1 ... 50) =>
[INFO] [stdout]    |                       ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/bin/day20.rs:36:37
[INFO] [stdout]    |
[INFO] [stdout] 36 |             (0, a @ 1 ... 50, b @ 1 ... 50) =>
[INFO] [stdout]    |                                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/bin/day20.rs:38:19
[INFO] [stdout]    |
[INFO] [stdout] 38 |             (0, 1 ... 50, b) => b,
[INFO] [stdout]    |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/bin/day20.rs:39:22
[INFO] [stdout]    |
[INFO] [stdout] 39 |             (0, a, 1 ... 50) => a,
[INFO] [stdout]    |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/bin/day15.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Ingredient {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] 13 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Ingredient` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/day2.rs:68:42
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn main() -> std::result::Result<(), Box<Error>> {
[INFO] [stdout]    |                                          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn main() -> std::result::Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `reduce` is never used
[INFO] [stdout]   --> src/bin/day19.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Transmogrifier {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 65 |     fn reduce(&self, molecule: &[Option<Element>]) -> Vec<Vec<Option<Element>>> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> src/bin/day13.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     use super::*;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> src/bin/day9.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let cities: HashSet<String> = HashSet::from(
[INFO] [stdout]    |                                   ------- type must be known at this point
[INFO] [stdout] ...
[INFO] [stdout] 14 |             .collect());
[INFO] [stdout]    |              ^^^^^^^ cannot infer type of the type parameter `B` declared on the method `collect`
[INFO] [stdout]    |
[INFO] [stdout]    = note: multiple `impl`s satisfying `HashSet<String>: From<_>` found in the following crates: `core`, `std`:
[INFO] [stdout]            - impl<T, N> From<[T; N]> for HashSet<T>
[INFO] [stdout]              where the constant `N` has type `usize`, T: Eq, T: Hash;
[INFO] [stdout]            - impl<T> From<T> for T;
[INFO] [stdout] help: consider specifying the generic argument
[INFO] [stdout]    |
[INFO] [stdout] 14 |             .collect::<Vec<_>>());
[INFO] [stdout]    |                     ++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> src/bin/day9.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let cities: HashSet<String> = HashSet::from(
[INFO] [stdout]    |                                   ------- type must be known at this point
[INFO] [stdout] ...
[INFO] [stdout] 14 |             .collect());
[INFO] [stdout]    |              ^^^^^^^ cannot infer type of the type parameter `B` declared on the method `collect`
[INFO] [stdout]    |
[INFO] [stdout]    = note: multiple `impl`s satisfying `HashSet<String>: From<_>` found in the following crates: `core`, `std`:
[INFO] [stdout]            - impl<T, N> From<[T; N]> for HashSet<T>
[INFO] [stdout]              where the constant `N` has type `usize`, T: Eq, T: Hash;
[INFO] [stdout]            - impl<T> From<T> for T;
[INFO] [stdout] help: consider specifying the generic argument
[INFO] [stdout]    |
[INFO] [stdout] 14 |             .collect::<Vec<_>>());
[INFO] [stdout]    |                     ++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> src/bin/day15.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     use super::*;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> src/bin/day14.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     use super::*;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `advent_of_code_2015` (bin "day9") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `advent_of_code_2015` (bin "day9" test) due to 1 previous error
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/bin/day15.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Ingredient {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] 13 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Ingredient` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/day2.rs:68:42
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn main() -> std::result::Result<(), Box<Error>> {
[INFO] [stdout]    |                                          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn main() -> std::result::Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c0bda919374a2877a05d8fa2b31df7d1feb64440b2514ff85f074d9893193fcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0bda919374a2877a05d8fa2b31df7d1feb64440b2514ff85f074d9893193fcf", kill_on_drop: false }`
[INFO] [stdout] c0bda919374a2877a05d8fa2b31df7d1feb64440b2514ff85f074d9893193fcf
