[INFO] cloning repository https://github.com/emlun/adventofcode-2020 [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-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femlun%2Fadventofcode-2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femlun%2Fadventofcode-2020'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 10395eec8986dc70f007292e8e328d9227020d91 [INFO] checking emlun/adventofcode-2020 against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femlun%2Fadventofcode-2020" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/emlun/adventofcode-2020 on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/emlun/adventofcode-2020 [INFO] finished tweaking git repo https://github.com/emlun/adventofcode-2020 [INFO] tweaked toml for git repo https://github.com/emlun/adventofcode-2020 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/emlun/adventofcode-2020 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_json v1.0.59 [INFO] [stderr] Downloaded rayon-core v1.9.0 [INFO] [stderr] Downloaded half v1.6.0 [INFO] [stderr] Downloaded serde_cbor v0.11.1 [INFO] [stderr] Downloaded itoa v0.4.6 [INFO] [stderr] Downloaded ryu v1.0.5 [INFO] [stderr] Downloaded proc-macro2 v1.0.24 [INFO] [stderr] Downloaded rayon v1.5.0 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.69 [INFO] [stderr] Downloaded wasm-bindgen v0.2.69 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.69 [INFO] [stderr] Downloaded memoffset v0.6.1 [INFO] [stderr] Downloaded unicode-width v0.1.6 [INFO] [stderr] Downloaded hermit-abi v0.1.17 [INFO] [stderr] Downloaded semver v0.9.0 [INFO] [stderr] Downloaded criterion-plot v0.4.3 [INFO] [stderr] Downloaded byteorder v1.3.4 [INFO] [stderr] Downloaded csv-core v0.1.10 [INFO] [stderr] Downloaded num-traits v0.2.14 [INFO] [stderr] Downloaded regex-automata v0.1.9 [INFO] [stderr] Downloaded winapi v0.3.8 [INFO] [stderr] Downloaded crossbeam-epoch v0.9.1 [INFO] [stderr] Downloaded bstr v0.2.14 [INFO] [stderr] Downloaded syn v1.0.53 [INFO] [stderr] Downloaded semver-parser v0.7.0 [INFO] [stderr] Downloaded crossbeam-deque v0.8.0 [INFO] [stderr] Downloaded csv v1.1.5 [INFO] [stderr] Downloaded autocfg v1.0.1 [INFO] [stderr] Downloaded num_cpus v1.13.0 [INFO] [stderr] Downloaded log v0.4.11 [INFO] [stderr] Downloaded cfg-if v1.0.0 [INFO] [stderr] Downloaded rustc_version v0.2.3 [INFO] [stderr] Downloaded cast v0.2.3 [INFO] [stderr] Downloaded oorandom v11.1.3 [INFO] [stderr] Downloaded walkdir v2.3.1 [INFO] [stderr] Downloaded criterion v0.3.3 [INFO] [stderr] Downloaded js-sys v0.3.46 [INFO] [stderr] Downloaded bumpalo v3.4.0 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.69 [INFO] [stderr] Downloaded crossbeam-channel v0.5.0 [INFO] [stderr] Downloaded crossbeam-utils v0.8.1 [INFO] [stderr] Downloaded scopeguard v1.1.0 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.69 [INFO] [stderr] Downloaded const_fn v0.4.3 [INFO] [stderr] Downloaded winapi-util v0.1.5 [INFO] [stderr] Downloaded serde_derive v1.0.117 [INFO] [stderr] Downloaded same-file v1.0.6 [INFO] [stderr] Downloaded serde v1.0.117 [INFO] [stderr] Downloaded tinytemplate v1.1.0 [INFO] [stderr] Downloaded web-sys v0.3.46 [INFO] [stderr] Downloaded plotters v0.2.15 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d56d0ca7b8e6f85d463bdb41388a9bc6d937d432a3b7921dbccb1af54d782b8a [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" "d56d0ca7b8e6f85d463bdb41388a9bc6d937d432a3b7921dbccb1af54d782b8a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d56d0ca7b8e6f85d463bdb41388a9bc6d937d432a3b7921dbccb1af54d782b8a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d56d0ca7b8e6f85d463bdb41388a9bc6d937d432a3b7921dbccb1af54d782b8a", kill_on_drop: false }` [INFO] [stdout] d56d0ca7b8e6f85d463bdb41388a9bc6d937d432a3b7921dbccb1af54d782b8a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7f5e9db017628e9065f4e498da860a45091c0110c2356b37c19a07fc33a8eac6 [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" "7f5e9db017628e9065f4e498da860a45091c0110c2356b37c19a07fc33a8eac6", kill_on_drop: false }` [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling const_fn v0.4.3 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking half v1.6.0 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking serde_json v1.0.59 [INFO] [stderr] Checking bstr v0.2.14 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Compiling syn v1.0.53 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Checking csv v1.1.5 [INFO] [stderr] Checking crossbeam-epoch v0.9.1 [INFO] [stderr] Checking tinytemplate v1.1.0 [INFO] [stderr] Checking plotters v0.2.15 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Checking rayon-core v1.9.0 [INFO] [stderr] Checking adventofcode-2020 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::collections::hash_map::DefaultHasher` [INFO] [stdout] --> src/days/day23.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::collections::hash_map::DefaultHasher; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashSet` [INFO] [stdout] --> src/days/day23.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::collections::HashSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::VecDeque` [INFO] [stdout] --> src/days/day23.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::collections::VecDeque; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::hash::Hasher` [INFO] [stdout] --> src/days/day23.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::hash::Hasher; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `lines` [INFO] [stdout] --> src/days/day23.rs:90:12 [INFO] [stdout] | [INFO] [stdout] 90 | fn solve_b(lines: &[String]) -> usize { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_lines` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` 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: `#[warn(non_fmt_panic)]` on by default [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [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!("Input file not found: {:?}", path)), [INFO] [stdout] | -- -- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:36:44 [INFO] [stdout] | [INFO] [stdout] 36 | .unwrap_or_else(|_| panic!(format!("Invalid day number: {}", day))), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panic)]` on by default [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [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] 36 | .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:48:67 [INFO] [stdout] | [INFO] [stdout] 48 | let day_func = days::get_solver(day).unwrap_or_else(|| panic!(format!("Unknown day: {}", day))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [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] 48 | let day_func = days::get_solver(day).unwrap_or_else(|| panic!("Unknown day: {}", day)); [INFO] [stdout] | -- -- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Checking criterion v0.3.3 [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:36:44 [INFO] [stdout] | [INFO] [stdout] 36 | .unwrap_or_else(|_| panic!(format!("Invalid day number: {}", day))), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panic)]` on by default [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [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] 36 | .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:48:67 [INFO] [stdout] | [INFO] [stdout] 48 | let day_func = days::get_solver(day).unwrap_or_else(|| panic!(format!("Unknown day: {}", day))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [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] 48 | let day_func = days::get_solver(day).unwrap_or_else(|| panic!("Unknown day: {}", day)); [INFO] [stdout] | -- -- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::hash_map::DefaultHasher` [INFO] [stdout] --> src/days/day23.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::collections::hash_map::DefaultHasher; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashSet` [INFO] [stdout] --> src/days/day23.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::collections::HashSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::VecDeque` [INFO] [stdout] --> src/days/day23.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::collections::VecDeque; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::hash::Hasher` [INFO] [stdout] --> src/days/day23.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::hash::Hasher; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `lines` [INFO] [stdout] --> src/days/day23.rs:90:12 [INFO] [stdout] | [INFO] [stdout] 90 | fn solve_b(lines: &[String]) -> usize { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_lines` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` 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: `#[warn(non_fmt_panic)]` on by default [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [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!("Input file not found: {:?}", path)), [INFO] [stdout] | -- -- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 35.45s [INFO] running `Command { std: "docker" "inspect" "7f5e9db017628e9065f4e498da860a45091c0110c2356b37c19a07fc33a8eac6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f5e9db017628e9065f4e498da860a45091c0110c2356b37c19a07fc33a8eac6", kill_on_drop: false }` [INFO] [stdout] 7f5e9db017628e9065f4e498da860a45091c0110c2356b37c19a07fc33a8eac6