[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 try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoemspalding%2Fadvent-of-code-2020" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/joemspalding/advent-of-code-2020 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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-13/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bf107897e9b8fe3c7633230aa030fab1abeb96369eeded38ceb73d5216a1080a [INFO] running `Command { std: "docker" "start" "-a" "bf107897e9b8fe3c7633230aa030fab1abeb96369eeded38ceb73d5216a1080a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bf107897e9b8fe3c7633230aa030fab1abeb96369eeded38ceb73d5216a1080a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf107897e9b8fe3c7633230aa030fab1abeb96369eeded38ceb73d5216a1080a", kill_on_drop: false }` [INFO] [stdout] bf107897e9b8fe3c7633230aa030fab1abeb96369eeded38ceb73d5216a1080a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 74a03a3d8dfb5c48faf4a1f0c3c0f84ee4330caafb71841eb4f44ef9bc7da785 [INFO] running `Command { std: "docker" "start" "-a" "74a03a3d8dfb5c48faf4a1f0c3c0f84ee4330caafb71841eb4f44ef9bc7da785", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.4 [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 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:16:21 [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:59:21 [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: 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:16:21 [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:59:21 [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_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: 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: 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: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.76s [INFO] running `Command { std: "docker" "inspect" "74a03a3d8dfb5c48faf4a1f0c3c0f84ee4330caafb71841eb4f44ef9bc7da785", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74a03a3d8dfb5c48faf4a1f0c3c0f84ee4330caafb71841eb4f44ef9bc7da785", kill_on_drop: false }` [INFO] [stdout] 74a03a3d8dfb5c48faf4a1f0c3c0f84ee4330caafb71841eb4f44ef9bc7da785