[INFO] cloning repository https://github.com/amnn/adventofcode-2018 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/amnn/adventofcode-2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famnn%2Fadventofcode-2018", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famnn%2Fadventofcode-2018'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 149174a4a021f051b577d331460eed48b3c8199d [INFO] checking amnn/adventofcode-2018 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famnn%2Fadventofcode-2018" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/amnn/adventofcode-2018 [INFO] finished tweaking git repo https://github.com/amnn/adventofcode-2018 [INFO] tweaked toml for git repo https://github.com/amnn/adventofcode-2018 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/amnn/adventofcode-2018 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/amnn/adventofcode-2018 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded scan_fmt v0.1.3 [INFO] [stderr] Downloaded num-derive v0.2.3 [INFO] [stderr] Downloaded redox_syscall v0.1.50 [INFO] [stderr] Downloaded memchr v2.1.1 [INFO] [stderr] Downloaded regex v0.2.11 [INFO] [stderr] Downloaded libc v0.2.44 [INFO] [stderr] Downloaded regex-syntax v0.5.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 772291cbfccac11dcc911207601aac265b259236dac35d5e429253e8b5613950 [INFO] running `Command { std: "docker" "start" "-a" "772291cbfccac11dcc911207601aac265b259236dac35d5e429253e8b5613950", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "772291cbfccac11dcc911207601aac265b259236dac35d5e429253e8b5613950", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "772291cbfccac11dcc911207601aac265b259236dac35d5e429253e8b5613950", kill_on_drop: false }` [INFO] [stdout] 772291cbfccac11dcc911207601aac265b259236dac35d5e429253e8b5613950 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a85958bfc4c6481be51bd6f682fa50f085d5bf78ab767baf03ff92b1364969df [INFO] running `Command { std: "docker" "start" "-a" "a85958bfc4c6481be51bd6f682fa50f085d5bf78ab767baf03ff92b1364969df", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Compiling num-derive v0.2.3 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking termion v1.5.1 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Compiling syn v0.15.23 [INFO] [stderr] Checking scan_fmt v0.1.3 [INFO] [stderr] Checking adventofcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/day13/main.rs:140:17 [INFO] [stdout] | [INFO] [stdout] 140 | let mut r = BufReader::new(init.as_bytes()); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/day13/main.rs:56:34 [INFO] [stdout] | [INFO] [stdout] 56 | #[derive(Copy, Clone, Debug, Eq, FromPrimitive, PartialEq)] [INFO] [stdout] | ^------------ [INFO] [stdout] | | [INFO] [stdout] | `FromPrimitive` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_NUM_FROMPRIMITIVE_FOR_DIR` [INFO] [stdout] 57 | enum Dir { Up = 0, Right = 1, Down = 2, Left = 3 } [INFO] [stdout] | --- `Dir` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `FromPrimitive` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `FromPrimitive` may come from an old version of the `num_derive` crate, try updating your dependency with `cargo update -p num_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: `#[warn(non_local_definitions)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `FromPrimitive` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/day03/main.rs:86:13 [INFO] [stdout] | [INFO] [stdout] 86 | fn iter(&self) -> btree_set::Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 86 | fn iter(&self) -> btree_set::Iter<'_, Boundary> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stdout] --> src/day02/main.rs:22:17 [INFO] [stdout] | [INFO] [stdout] 22 | self.id.into_iter().find(|x| **x == n).is_some() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 22 - self.id.into_iter().find(|x| **x == n).is_some() [INFO] [stdout] 22 + self.id.iter().find(|x| **x == n).is_some() [INFO] [stdout] | [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 22 - self.id.into_iter().find(|x| **x == n).is_some() [INFO] [stdout] 22 + IntoIterator::into_iter(self.id).find(|x| **x == n).is_some() [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/day13/main.rs:140:17 [INFO] [stdout] | [INFO] [stdout] 140 | let mut r = BufReader::new(init.as_bytes()); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/day13/main.rs:56:34 [INFO] [stdout] | [INFO] [stdout] 56 | #[derive(Copy, Clone, Debug, Eq, FromPrimitive, PartialEq)] [INFO] [stdout] | ^------------ [INFO] [stdout] | | [INFO] [stdout] | `FromPrimitive` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_NUM_FROMPRIMITIVE_FOR_DIR` [INFO] [stdout] 57 | enum Dir { Up = 0, Right = 1, Down = 2, Left = 3 } [INFO] [stdout] | --- `Dir` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `FromPrimitive` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `FromPrimitive` may come from an old version of the `num_derive` crate, try updating your dependency with `cargo update -p num_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: `#[warn(non_local_definitions)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `FromPrimitive` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/day03/main.rs:86:13 [INFO] [stdout] | [INFO] [stdout] 86 | fn iter(&self) -> btree_set::Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 86 | fn iter(&self) -> btree_set::Iter<'_, Boundary> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/day07/main.rs:65:17 [INFO] [stdout] | [INFO] [stdout] 65 | let mut nbr = nodes.get_mut(&out).unwrap(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/day15/main.rs:115:17 [INFO] [stdout] | [INFO] [stdout] 115 | let mut r = BufReader::new(init.as_bytes()); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/day15/main.rs:351:29 [INFO] [stdout] | [INFO] [stdout] 351 | let mut count = deaths.entry(enemy).or_insert(0); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stdout] --> src/day02/main.rs:22:17 [INFO] [stdout] | [INFO] [stdout] 22 | self.id.into_iter().find(|x| **x == n).is_some() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 22 - self.id.into_iter().find(|x| **x == n).is_some() [INFO] [stdout] 22 + self.id.iter().find(|x| **x == n).is_some() [INFO] [stdout] | [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 22 - self.id.into_iter().find(|x| **x == n).is_some() [INFO] [stdout] 22 + IntoIterator::into_iter(self.id).find(|x| **x == n).is_some() [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/day04/main.rs:140:13 [INFO] [stdout] | [INFO] [stdout] 140 | let mut counter = sleep_totals.entry(guard).or_insert(0); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/day15/main.rs:433:24 [INFO] [stdout] | [INFO] [stdout] 433 | panic!(err) [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 [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 433 | panic!("{}", err) [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/day04/main.rs:140:13 [INFO] [stdout] | [INFO] [stdout] 140 | let mut counter = sleep_totals.entry(guard).or_insert(0); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/day15/main.rs:115:17 [INFO] [stdout] | [INFO] [stdout] 115 | let mut r = BufReader::new(init.as_bytes()); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/day15/main.rs:351:29 [INFO] [stdout] | [INFO] [stdout] 351 | let mut count = deaths.entry(enemy).or_insert(0); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/day15/main.rs:433:24 [INFO] [stdout] | [INFO] [stdout] 433 | panic!(err) [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 [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 433 | panic!("{}", err) [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/day07/main.rs:65:17 [INFO] [stdout] | [INFO] [stdout] 65 | let mut nbr = nodes.get_mut(&out).unwrap(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.97s [INFO] running `Command { std: "docker" "inspect" "a85958bfc4c6481be51bd6f682fa50f085d5bf78ab767baf03ff92b1364969df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a85958bfc4c6481be51bd6f682fa50f085d5bf78ab767baf03ff92b1364969df", kill_on_drop: false }` [INFO] [stdout] a85958bfc4c6481be51bd6f682fa50f085d5bf78ab767baf03ff92b1364969df