[INFO] cloning repository https://github.com/joemspalding/advent-of-code-2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joemspalding/advent-of-code-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoemspalding%2Fadvent-of-code-2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoemspalding%2Fadvent-of-code-2020'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a129243219230858ecf45ea7080f5c1a75b337ba [INFO] checking joemspalding/advent-of-code-2020 against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoemspalding%2Fadvent-of-code-2020" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/joemspalding/advent-of-code-2020 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/joemspalding/advent-of-code-2020 [INFO] finished tweaking git repo https://github.com/joemspalding/advent-of-code-2020 [INFO] tweaked toml for git repo https://github.com/joemspalding/advent-of-code-2020 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/joemspalding/advent-of-code-2020 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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 605df9c1b8b2965b23de082119dca3ec3138b3358b2673e4d46b1da906516aab [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" "605df9c1b8b2965b23de082119dca3ec3138b3358b2673e4d46b1da906516aab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "605df9c1b8b2965b23de082119dca3ec3138b3358b2673e4d46b1da906516aab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "605df9c1b8b2965b23de082119dca3ec3138b3358b2673e4d46b1da906516aab", kill_on_drop: false }` [INFO] [stdout] 605df9c1b8b2965b23de082119dca3ec3138b3358b2673e4d46b1da906516aab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 3c55493fa2e511705a363ee6073963b1101cdbb0d707f32c75655d1eba12ddd7 [INFO] running `Command { std: "docker" "start" "-a" "3c55493fa2e511705a363ee6073963b1101cdbb0d707f32c75655d1eba12ddd7", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Checking string-builder v0.2.0 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking advent-of-code v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variant `acc` should have an upper camel case name [INFO] [stdout] --> src/calendar/day_eight.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | acc(i32), [INFO] [stdout] | ^^^ help: convert the identifier to upper camel case: `Acc` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `jmp` should have an upper camel case name [INFO] [stdout] --> src/calendar/day_eight.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | jmp(i32), [INFO] [stdout] | ^^^ help: convert the identifier to upper camel case: `Jmp` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `nop` should have an upper camel case name [INFO] [stdout] --> src/calendar/day_eight.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | nop(i32) [INFO] [stdout] | ^^^ help: convert the identifier to upper camel case: `Nop` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `acc` should have an upper camel case name [INFO] [stdout] --> src/calendar/day_eight.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | acc(i32), [INFO] [stdout] | ^^^ help: convert the identifier to upper camel case: `Acc` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `jmp` should have an upper camel case name [INFO] [stdout] --> src/calendar/day_eight.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | jmp(i32), [INFO] [stdout] | ^^^ help: convert the identifier to upper camel case: `Jmp` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `nop` should have an upper camel case name [INFO] [stdout] --> src/calendar/day_eight.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | nop(i32) [INFO] [stdout] | ^^^ help: convert the identifier to upper camel case: `Nop` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `itertools::Itertools::fold_while`: Use .try_fold() instead [INFO] [stdout] --> src/calendar/day_nine.rs:82:10 [INFO] [stdout] | [INFO] [stdout] 82 | .fold_while(Some(0), |acc, current: (usize, &usize)| { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `found` [INFO] [stdout] --> src/calendar/day_six.rs:16:17 [INFO] [stdout] | [INFO] [stdout] 16 | let mut found: bool = false; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_found` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `found` [INFO] [stdout] --> src/calendar/day_six.rs:59:17 [INFO] [stdout] | [INFO] [stdout] 59 | let mut found: bool = false; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_found` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/calendar/day_eight.rs:120:42 [INFO] [stdout] | [INFO] [stdout] 120 | Instruction::jmp(v) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/calendar/day_eight.rs:123:42 [INFO] [stdout] | [INFO] [stdout] 123 | Instruction::nop(v) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/calendar/day_six.rs:16:17 [INFO] [stdout] | [INFO] [stdout] 16 | let mut found: bool = false; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `acc` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/calendar/day_six.rs:37:25 [INFO] [stdout] | [INFO] [stdout] 35 | match acc.get(&answer.0) { [INFO] [stdout] | --- immutable borrow occurs here [INFO] [stdout] 36 | Some(n) => { [INFO] [stdout] 37 | acc.insert(answer.0, n + answer.1); [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: variable does not need to be mutable [INFO] [stdout] --> src/calendar/day_six.rs:59:17 [INFO] [stdout] | [INFO] [stdout] 59 | let mut found: bool = false; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `acc` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/calendar/day_six.rs:80:25 [INFO] [stdout] | [INFO] [stdout] 78 | match acc.get(&answer.0) { [INFO] [stdout] | --- immutable borrow occurs here [INFO] [stdout] 79 | Some(n) => { [INFO] [stdout] 80 | acc.insert(answer.0, n + answer.1); [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: variable does not need to be mutable [INFO] [stdout] --> src/calendar/day_nine.rs:74:9 [INFO] [stdout] | [INFO] [stdout] 74 | let mut list: Vec = XMAS_CYPHER.lines() [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `itertools::Itertools::fold_while`: Use .try_fold() instead [INFO] [stdout] --> src/calendar/day_nine.rs:82:10 [INFO] [stdout] | [INFO] [stdout] 82 | .fold_while(Some(0), |acc, current: (usize, &usize)| { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `found` [INFO] [stdout] --> src/calendar/day_six.rs:16:17 [INFO] [stdout] | [INFO] [stdout] 16 | let mut found: bool = false; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_found` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `found` [INFO] [stdout] --> src/calendar/day_six.rs:59:17 [INFO] [stdout] | [INFO] [stdout] 59 | let mut found: bool = false; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_found` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/calendar/day_eight.rs:120:42 [INFO] [stdout] | [INFO] [stdout] 120 | Instruction::jmp(v) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/calendar/day_eight.rs:123:42 [INFO] [stdout] | [INFO] [stdout] 123 | Instruction::nop(v) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/calendar/day_six.rs:16:17 [INFO] [stdout] | [INFO] [stdout] 16 | let mut found: bool = false; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `acc` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/calendar/day_six.rs:37:25 [INFO] [stdout] | [INFO] [stdout] 35 | match acc.get(&answer.0) { [INFO] [stdout] | --- immutable borrow occurs here [INFO] [stdout] 36 | Some(n) => { [INFO] [stdout] 37 | acc.insert(answer.0, n + answer.1); [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: variable does not need to be mutable [INFO] [stdout] --> src/calendar/day_six.rs:59:17 [INFO] [stdout] | [INFO] [stdout] 59 | let mut found: bool = false; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `acc` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/calendar/day_six.rs:80:25 [INFO] [stdout] | [INFO] [stdout] 78 | match acc.get(&answer.0) { [INFO] [stdout] | --- immutable borrow occurs here [INFO] [stdout] 79 | Some(n) => { [INFO] [stdout] 80 | acc.insert(answer.0, n + answer.1); [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: variable does not need to be mutable [INFO] [stdout] --> src/calendar/day_nine.rs:74:9 [INFO] [stdout] | [INFO] [stdout] 74 | let mut list: Vec = XMAS_CYPHER.lines() [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.03s [INFO] running `Command { std: "docker" "inspect" "3c55493fa2e511705a363ee6073963b1101cdbb0d707f32c75655d1eba12ddd7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c55493fa2e511705a363ee6073963b1101cdbb0d707f32c75655d1eba12ddd7", kill_on_drop: false }` [INFO] [stdout] 3c55493fa2e511705a363ee6073963b1101cdbb0d707f32c75655d1eba12ddd7