[INFO] cloning repository https://github.com/emlun/adventofcode-2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emlun/adventofcode-2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femlun%2Fadventofcode-2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femlun%2Fadventofcode-2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95eaf35e777d4cddc4e498a9b12e2e8f3f5d4e4d
[INFO] checking emlun/adventofcode-2019 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femlun%2Fadventofcode-2019" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/emlun/adventofcode-2019 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/emlun/adventofcode-2019
[INFO] finished tweaking git repo https://github.com/emlun/adventofcode-2019
[INFO] tweaked toml for git repo https://github.com/emlun/adventofcode-2019 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/emlun/adventofcode-2019 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bf8887df2c5e162a75f40b4fa6e401158f62fae9e3d3bf59b55ec7a9e5ff356
[INFO] running `Command { std: "docker" "start" "-a" "1bf8887df2c5e162a75f40b4fa6e401158f62fae9e3d3bf59b55ec7a9e5ff356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bf8887df2c5e162a75f40b4fa6e401158f62fae9e3d3bf59b55ec7a9e5ff356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bf8887df2c5e162a75f40b4fa6e401158f62fae9e3d3bf59b55ec7a9e5ff356", kill_on_drop: false }`
[INFO] [stdout] 1bf8887df2c5e162a75f40b4fa6e401158f62fae9e3d3bf59b55ec7a9e5ff356
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b87134d689e77c19445e85a51b477fa4b11677443e3e3b8d7b3101d880433338
[INFO] running `Command { std: "docker" "start" "-a" "b87134d689e77c19445e85a51b477fa4b11677443e3e3b8d7b3101d880433338", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking adventofcode-2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/days/day06.rs:21:6
[INFO] [stdout]    |
[INFO] [stdout] 21 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/days/day06.rs:21:6
[INFO] [stdout]    |
[INFO] [stdout] 21 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]    --> src/days/day20.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 108 | struct Warp {
[INFO] [stdout]     |        ---- field in this struct
[INFO] [stdout] 109 |     name: String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Warp` 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: panic message is not a string literal
[INFO] [stdout]   --> src/common.rs:19:44
[INFO] [stdout]    |
[INFO] [stdout] 19 |                 .unwrap_or_else(|_| panic!(format!("Input file not found: {:?}", path))),
[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/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 19 -                 .unwrap_or_else(|_| panic!(format!("Input file not found: {:?}", path))),
[INFO] [stdout] 19 +                 .unwrap_or_else(|_| panic!("Input file not found: {:?}", path)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]    --> src/days/day20.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 108 | struct Warp {
[INFO] [stdout]     |        ---- field in this struct
[INFO] [stdout] 109 |     name: String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Warp` 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: panic message is not a string literal
[INFO] [stdout]   --> src/common.rs:19:44
[INFO] [stdout]    |
[INFO] [stdout] 19 |                 .unwrap_or_else(|_| panic!(format!("Input file not found: {:?}", path))),
[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/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 19 -                 .unwrap_or_else(|_| panic!(format!("Input file not found: {:?}", path))),
[INFO] [stdout] 19 +                 .unwrap_or_else(|_| panic!("Input file not found: {:?}", path)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/days/day06.rs:21:6
[INFO] [stdout]    |
[INFO] [stdout] 21 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/days/day06.rs:21:6
[INFO] [stdout]    |
[INFO] [stdout] 21 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]    --> src/days/day20.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 108 | struct Warp {
[INFO] [stdout]     |        ---- field in this struct
[INFO] [stdout] 109 |     name: String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Warp` 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: method `counts` is never used
[INFO] [stdout]  --> src/util/iter.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Countable<A> {
[INFO] [stdout]   |           --------- method in this trait
[INFO] [stdout] 4 |     fn counts(self) -> HashMap<A, usize>;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:44:48
[INFO] [stdout]    |
[INFO] [stdout] 44 |                     .unwrap_or_else(|_| panic!(format!("Invalid day number: {}", day))),
[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/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 44 -                     .unwrap_or_else(|_| panic!(format!("Invalid day number: {}", day))),
[INFO] [stdout] 44 +                     .unwrap_or_else(|_| panic!("Invalid day number: {}", day)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:57:67
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let day_func = days::get_solver(day).unwrap_or_else(|| panic!(format!("Unknown day: {}", day)));
[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/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 57 -     let day_func = days::get_solver(day).unwrap_or_else(|| panic!(format!("Unknown day: {}", day)));
[INFO] [stdout] 57 +     let day_func = days::get_solver(day).unwrap_or_else(|| panic!("Unknown day: {}", day));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/common.rs:19:44
[INFO] [stdout]    |
[INFO] [stdout] 19 |                 .unwrap_or_else(|_| panic!(format!("Input file not found: {:?}", path))),
[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/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 19 -                 .unwrap_or_else(|_| panic!(format!("Input file not found: {:?}", path))),
[INFO] [stdout] 19 +                 .unwrap_or_else(|_| panic!("Input file not found: {:?}", path)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]    --> src/days/day20.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 108 | struct Warp {
[INFO] [stdout]     |        ---- field in this struct
[INFO] [stdout] 109 |     name: String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Warp` 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: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:44:48
[INFO] [stdout]    |
[INFO] [stdout] 44 |                     .unwrap_or_else(|_| panic!(format!("Invalid day number: {}", day))),
[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/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 44 -                     .unwrap_or_else(|_| panic!(format!("Invalid day number: {}", day))),
[INFO] [stdout] 44 +                     .unwrap_or_else(|_| panic!("Invalid day number: {}", day)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:57:67
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let day_func = days::get_solver(day).unwrap_or_else(|| panic!(format!("Unknown day: {}", day)));
[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/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 57 -     let day_func = days::get_solver(day).unwrap_or_else(|| panic!(format!("Unknown day: {}", day)));
[INFO] [stdout] 57 +     let day_func = days::get_solver(day).unwrap_or_else(|| panic!("Unknown day: {}", day));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/common.rs:19:44
[INFO] [stdout]    |
[INFO] [stdout] 19 |                 .unwrap_or_else(|_| panic!(format!("Input file not found: {:?}", path))),
[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/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 19 -                 .unwrap_or_else(|_| panic!(format!("Input file not found: {:?}", path))),
[INFO] [stdout] 19 +                 .unwrap_or_else(|_| panic!("Input file not found: {:?}", path)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.71s
[INFO] running `Command { std: "docker" "inspect" "b87134d689e77c19445e85a51b477fa4b11677443e3e3b8d7b3101d880433338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b87134d689e77c19445e85a51b477fa4b11677443e3e3b8d7b3101d880433338", kill_on_drop: false }`
[INFO] [stdout] b87134d689e77c19445e85a51b477fa4b11677443e3e3b8d7b3101d880433338
[INFO] checking emlun/adventofcode-2019 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femlun%2Fadventofcode-2019" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/emlun/adventofcode-2019 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/emlun/adventofcode-2019
[INFO] finished tweaking git repo https://github.com/emlun/adventofcode-2019
[INFO] tweaked toml for git repo https://github.com/emlun/adventofcode-2019 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/emlun/adventofcode-2019 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7b80e78d8e356fb475bbd89723287dd49ff58f49a11ccac262b46b52fb8529d
[INFO] running `Command { std: "docker" "start" "-a" "e7b80e78d8e356fb475bbd89723287dd49ff58f49a11ccac262b46b52fb8529d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7b80e78d8e356fb475bbd89723287dd49ff58f49a11ccac262b46b52fb8529d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7b80e78d8e356fb475bbd89723287dd49ff58f49a11ccac262b46b52fb8529d", kill_on_drop: false }`
[INFO] [stdout] e7b80e78d8e356fb475bbd89723287dd49ff58f49a11ccac262b46b52fb8529d
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddc323b61cea643acacc285fdcd42f4349909afba36bc70528de14a6710fcffa
[INFO] running `Command { std: "docker" "start" "-a" "ddc323b61cea643acacc285fdcd42f4349909afba36bc70528de14a6710fcffa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking adventofcode-2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/days/day06.rs:21:6
[INFO] [stdout]    |
[INFO] [stdout] 21 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/days/day06.rs:21:6
[INFO] [stdout]    |
[INFO] [stdout] 21 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]    --> src/days/day20.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 108 | struct Warp {
[INFO] [stdout]     |        ---- field in this struct
[INFO] [stdout] 109 |     name: String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Warp` 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: panic message is not a string literal
[INFO] [stdout]   --> src/common.rs:19:44
[INFO] [stdout]    |
[INFO] [stdout] 19 |                 .unwrap_or_else(|_| panic!(format!("Input file not found: {:?}", path))),
[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/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 19 -                 .unwrap_or_else(|_| panic!(format!("Input file not found: {:?}", path))),
[INFO] [stdout] 19 +                 .unwrap_or_else(|_| panic!("Input file not found: {:?}", path)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]    --> src/days/day20.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 108 | struct Warp {
[INFO] [stdout]     |        ---- field in this struct
[INFO] [stdout] 109 |     name: String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Warp` 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: panic message is not a string literal
[INFO] [stdout]   --> src/common.rs:19:44
[INFO] [stdout]    |
[INFO] [stdout] 19 |                 .unwrap_or_else(|_| panic!(format!("Input file not found: {:?}", path))),
[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/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 19 -                 .unwrap_or_else(|_| panic!(format!("Input file not found: {:?}", path))),
[INFO] [stdout] 19 +                 .unwrap_or_else(|_| panic!("Input file not found: {:?}", path)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/days/day06.rs:21:6
[INFO] [stdout]    |
[INFO] [stdout] 21 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/days/day06.rs:21:6
[INFO] [stdout]    |
[INFO] [stdout] 21 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]    --> src/days/day20.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 108 | struct Warp {
[INFO] [stdout]     |        ---- field in this struct
[INFO] [stdout] 109 |     name: String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Warp` 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: method `counts` is never used
[INFO] [stdout]  --> src/util/iter.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Countable<A> {
[INFO] [stdout]   |           --------- method in this trait
[INFO] [stdout] 4 |     fn counts(self) -> HashMap<A, usize>;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:44:48
[INFO] [stdout]    |
[INFO] [stdout] 44 |                     .unwrap_or_else(|_| panic!(format!("Invalid day number: {}", day))),
[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/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 44 -                     .unwrap_or_else(|_| panic!(format!("Invalid day number: {}", day))),
[INFO] [stdout] 44 +                     .unwrap_or_else(|_| panic!("Invalid day number: {}", day)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:57:67
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let day_func = days::get_solver(day).unwrap_or_else(|| panic!(format!("Unknown day: {}", day)));
[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/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 57 -     let day_func = days::get_solver(day).unwrap_or_else(|| panic!(format!("Unknown day: {}", day)));
[INFO] [stdout] 57 +     let day_func = days::get_solver(day).unwrap_or_else(|| panic!("Unknown day: {}", day));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/common.rs:19:44
[INFO] [stdout]    |
[INFO] [stdout] 19 |                 .unwrap_or_else(|_| panic!(format!("Input file not found: {:?}", path))),
[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/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 19 -                 .unwrap_or_else(|_| panic!(format!("Input file not found: {:?}", path))),
[INFO] [stdout] 19 +                 .unwrap_or_else(|_| panic!("Input file not found: {:?}", path)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]    --> src/days/day20.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 108 | struct Warp {
[INFO] [stdout]     |        ---- field in this struct
[INFO] [stdout] 109 |     name: String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Warp` 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: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:44:48
[INFO] [stdout]    |
[INFO] [stdout] 44 |                     .unwrap_or_else(|_| panic!(format!("Invalid day number: {}", day))),
[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/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 44 -                     .unwrap_or_else(|_| panic!(format!("Invalid day number: {}", day))),
[INFO] [stdout] 44 +                     .unwrap_or_else(|_| panic!("Invalid day number: {}", day)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:57:67
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let day_func = days::get_solver(day).unwrap_or_else(|| panic!(format!("Unknown day: {}", day)));
[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/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 57 -     let day_func = days::get_solver(day).unwrap_or_else(|| panic!(format!("Unknown day: {}", day)));
[INFO] [stdout] 57 +     let day_func = days::get_solver(day).unwrap_or_else(|| panic!("Unknown day: {}", day));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/common.rs:19:44
[INFO] [stdout]    |
[INFO] [stdout] 19 |                 .unwrap_or_else(|_| panic!(format!("Input file not found: {:?}", path))),
[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/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 19 -                 .unwrap_or_else(|_| panic!(format!("Input file not found: {:?}", path))),
[INFO] [stdout] 19 +                 .unwrap_or_else(|_| panic!("Input file not found: {:?}", path)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.68s
[INFO] running `Command { std: "docker" "inspect" "ddc323b61cea643acacc285fdcd42f4349909afba36bc70528de14a6710fcffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddc323b61cea643acacc285fdcd42f4349909afba36bc70528de14a6710fcffa", kill_on_drop: false }`
[INFO] [stdout] ddc323b61cea643acacc285fdcd42f4349909afba36bc70528de14a6710fcffa