[INFO] cloning repository https://github.com/mikeweber/adventofcode2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mikeweber/adventofcode2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikeweber%2Fadventofcode2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikeweber%2Fadventofcode2020'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e8a077300fb8773f2716b74c8cb7b01fb177ae47 [INFO] checking mikeweber/adventofcode2020 against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikeweber%2Fadventofcode2020" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mikeweber/adventofcode2020 on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mikeweber/adventofcode2020 [INFO] finished tweaking git repo https://github.com/mikeweber/adventofcode2020 [INFO] tweaked toml for git repo https://github.com/mikeweber/adventofcode2020 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/mikeweber/adventofcode2020 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 64d5d2691779cb2ddabd14e5af10248949509239dbbcce3c1d4a788911c6d220 [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" "64d5d2691779cb2ddabd14e5af10248949509239dbbcce3c1d4a788911c6d220", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "64d5d2691779cb2ddabd14e5af10248949509239dbbcce3c1d4a788911c6d220", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64d5d2691779cb2ddabd14e5af10248949509239dbbcce3c1d4a788911c6d220", kill_on_drop: false }` [INFO] [stdout] 64d5d2691779cb2ddabd14e5af10248949509239dbbcce3c1d4a788911c6d220 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dc7541e6ab2debdc4aa80781c83f2f05df17ab178558014eb684ad885b15575d [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" "dc7541e6ab2debdc4aa80781c83f2f05df17ab178558014eb684ad885b15575d", kill_on_drop: false }` [INFO] [stderr] Checking advent2020 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `min` [INFO] [stdout] --> src/ex05/mod.rs:32:42 [INFO] [stdout] | [INFO] [stdout] 32 | fn find_missing_seat(tickets: &Vec, min: u16, max: u16) -> Option { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_min` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `max` [INFO] [stdout] --> src/ex05/mod.rs:32:52 [INFO] [stdout] | [INFO] [stdout] 32 | fn find_missing_seat(tickets: &Vec, min: u16, max: u16) -> Option { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_max` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ch` [INFO] [stdout] --> src/ex06/mod.rs:82:28 [INFO] [stdout] | [INFO] [stdout] 82 | group.fold(0, |count, (ch, answer_size)| { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ch` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/ex02/mod.rs:113:47 [INFO] [stdout] | [INFO] [stdout] 110 | match &self.mode { [INFO] [stdout] | ---------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 113 | ParseMode::Letter { skip } => { self.set_letter(ch, *skip) }, [INFO] [stdout] | ^^^^ ----- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/ex02/mod.rs:111:47 [INFO] [stdout] | [INFO] [stdout] 110 | match &self.mode { [INFO] [stdout] | ---------- immutable borrow occurs here [INFO] [stdout] 111 | ParseMode::Min { skip } => { self.append_min(ch, *skip) }, [INFO] [stdout] | ^^^^ ----- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/ex02/mod.rs:114:47 [INFO] [stdout] | [INFO] [stdout] 110 | match &self.mode { [INFO] [stdout] | ---------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 114 | ParseMode::Password { skip } => { self.append_pass(ch, *skip) }, [INFO] [stdout] | ^^^^ ----- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/ex02/mod.rs:112:47 [INFO] [stdout] | [INFO] [stdout] 110 | match &self.mode { [INFO] [stdout] | ---------- immutable borrow occurs here [INFO] [stdout] 111 | ParseMode::Min { skip } => { self.append_min(ch, *skip) }, [INFO] [stdout] 112 | ParseMode::Max { skip } => { self.append_max(ch, *skip) }, [INFO] [stdout] | ^^^^ ----- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get` [INFO] [stdout] --> src/ex03/mod.rs:71:12 [INFO] [stdout] | [INFO] [stdout] 71 | pub fn get(&self, row_index: usize, col_index: usize) -> Marker { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `min` [INFO] [stdout] --> src/ex05/mod.rs:32:42 [INFO] [stdout] | [INFO] [stdout] 32 | fn find_missing_seat(tickets: &Vec, min: u16, max: u16) -> Option { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_min` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `max` [INFO] [stdout] --> src/ex05/mod.rs:32:52 [INFO] [stdout] | [INFO] [stdout] 32 | fn find_missing_seat(tickets: &Vec, min: u16, max: u16) -> Option { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_max` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ch` [INFO] [stdout] --> src/ex06/mod.rs:82:28 [INFO] [stdout] | [INFO] [stdout] 82 | group.fold(0, |count, (ch, answer_size)| { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ch` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/ex02/mod.rs:113:47 [INFO] [stdout] | [INFO] [stdout] 110 | match &self.mode { [INFO] [stdout] | ---------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 113 | ParseMode::Letter { skip } => { self.set_letter(ch, *skip) }, [INFO] [stdout] | ^^^^ ----- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/ex02/mod.rs:111:47 [INFO] [stdout] | [INFO] [stdout] 110 | match &self.mode { [INFO] [stdout] | ---------- immutable borrow occurs here [INFO] [stdout] 111 | ParseMode::Min { skip } => { self.append_min(ch, *skip) }, [INFO] [stdout] | ^^^^ ----- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/ex02/mod.rs:114:47 [INFO] [stdout] | [INFO] [stdout] 110 | match &self.mode { [INFO] [stdout] | ---------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 114 | ParseMode::Password { skip } => { self.append_pass(ch, *skip) }, [INFO] [stdout] | ^^^^ ----- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/ex02/mod.rs:112:47 [INFO] [stdout] | [INFO] [stdout] 110 | match &self.mode { [INFO] [stdout] | ---------- immutable borrow occurs here [INFO] [stdout] 111 | ParseMode::Min { skip } => { self.append_min(ch, *skip) }, [INFO] [stdout] 112 | ParseMode::Max { skip } => { self.append_max(ch, *skip) }, [INFO] [stdout] | ^^^^ ----- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_part_a` [INFO] [stdout] --> src/ex05/mod.rs:87:8 [INFO] [stdout] | [INFO] [stdout] 87 | fn test_part_a() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.96s [INFO] running `Command { std: "docker" "inspect" "dc7541e6ab2debdc4aa80781c83f2f05df17ab178558014eb684ad885b15575d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc7541e6ab2debdc4aa80781c83f2f05df17ab178558014eb684ad885b15575d", kill_on_drop: false }` [INFO] [stdout] dc7541e6ab2debdc4aa80781c83f2f05df17ab178558014eb684ad885b15575d