[INFO] cloning repository https://github.com/pitpo/AdventOfCode2018 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pitpo/AdventOfCode2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpitpo%2FAdventOfCode2018", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpitpo%2FAdventOfCode2018'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9819b6c4db82efe3a36a5e07349aef51726b0e7b [INFO] checking pitpo/AdventOfCode2018 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpitpo%2FAdventOfCode2018" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pitpo/AdventOfCode2018 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/pitpo/AdventOfCode2018 [INFO] finished tweaking git repo https://github.com/pitpo/AdventOfCode2018 [INFO] tweaked toml for git repo https://github.com/pitpo/AdventOfCode2018 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/pitpo/AdventOfCode2018 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1535be4fba541405a6d2075b1310278cda2e00edcf2aa409aecabb2e23ed3c80 [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" "1535be4fba541405a6d2075b1310278cda2e00edcf2aa409aecabb2e23ed3c80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1535be4fba541405a6d2075b1310278cda2e00edcf2aa409aecabb2e23ed3c80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1535be4fba541405a6d2075b1310278cda2e00edcf2aa409aecabb2e23ed3c80", kill_on_drop: false }` [INFO] [stdout] 1535be4fba541405a6d2075b1310278cda2e00edcf2aa409aecabb2e23ed3c80 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] eb73f36e23a96165aaae2015cca3aa05e758eaf4759b4c007c055f46e95e8733 [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" "eb73f36e23a96165aaae2015cca3aa05e758eaf4759b4c007c055f46e95e8733", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Checking futures v0.1.25 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking slab v0.4.1 [INFO] [stderr] Checking lazycell v1.2.0 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling build_const v0.2.1 [INFO] [stderr] Compiling httparse v1.3.3 [INFO] [stderr] Checking try-lock v0.2.2 [INFO] [stderr] Checking indexmap v1.0.2 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking string v0.1.2 [INFO] [stderr] Checking dtoa v0.4.3 [INFO] [stderr] Checking adler32 v1.0.3 [INFO] [stderr] Compiling openssl-sys v0.9.39 [INFO] [stderr] Checking arrayvec v0.4.8 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking crossbeam-utils v0.6.1 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Checking encoding_rs v0.8.12 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand v0.5.5 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking time v0.1.40 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling crc v1.8.1 [INFO] [stderr] Checking smallvec v0.6.6 [INFO] [stderr] Checking crossbeam-epoch v0.6.1 [INFO] [stderr] Checking bytes v0.4.11 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking rand v0.6.1 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling unicase v2.2.0 [INFO] [stderr] Checking tokio-executor v0.1.5 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking want v0.0.6 [INFO] [stderr] Checking serde_json v1.0.33 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking crossbeam-deque v0.6.2 [INFO] [stderr] Checking tokio-io v0.1.10 [INFO] [stderr] Checking http v0.1.14 [INFO] [stderr] Checking tokio-timer v0.2.8 [INFO] [stderr] Checking tokio-current-thread v0.1.4 [INFO] [stderr] Checking uuid v0.7.1 [INFO] [stderr] Compiling openssl v0.10.15 [INFO] [stderr] Compiling native-tls v0.2.2 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking libflate v0.1.18 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Compiling phf_shared v0.7.23 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Checking tokio-threadpool v0.1.9 [INFO] [stderr] Checking mime v0.3.12 [INFO] [stderr] Compiling phf_generator v0.7.23 [INFO] [stderr] Checking phf v0.7.23 [INFO] [stderr] Compiling phf_codegen v0.7.23 [INFO] [stderr] Checking tokio-reactor v0.1.7 [INFO] [stderr] Checking serde_urlencoded v0.5.4 [INFO] [stderr] Checking tokio-fs v0.1.4 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.6 [INFO] [stderr] Checking tokio-udp v0.1.3 [INFO] [stderr] Checking tokio-tcp v0.1.2 [INFO] [stderr] Checking tokio-uds v0.2.4 [INFO] [stderr] Checking tokio v0.1.13 [INFO] [stderr] Checking h2 v0.1.13 [INFO] [stderr] Checking hyper v0.12.16 [INFO] [stderr] Checking hyper-tls v0.3.1 [INFO] [stderr] Checking reqwest v0.9.5 [INFO] [stderr] Checking utils v0.1.0 (/opt/rustwide/workdir/utils) [INFO] [stderr] Checking day22 v0.1.0 (/opt/rustwide/workdir/days/day22) [INFO] [stderr] Checking day23 v0.1.0 (/opt/rustwide/workdir/days/day23) [INFO] [stderr] Checking day17 v0.1.0 (/opt/rustwide/workdir/days/day17) [INFO] [stderr] Checking day1 v0.1.0 (/opt/rustwide/workdir/days/day1) [INFO] [stderr] Checking day10 v0.1.0 (/opt/rustwide/workdir/days/day10) [INFO] [stderr] Checking day9 v0.1.0 (/opt/rustwide/workdir/days/day9) [INFO] [stderr] Checking day8 v0.1.0 (/opt/rustwide/workdir/days/day8) [INFO] [stderr] Checking day11 v0.1.0 (/opt/rustwide/workdir/days/day11) [INFO] [stderr] Checking day7 v0.1.0 (/opt/rustwide/workdir/days/day7) [INFO] [stderr] Checking day13 v0.1.0 (/opt/rustwide/workdir/days/day13) [INFO] [stderr] Checking day15 v0.1.0 (/opt/rustwide/workdir/days/day15) [INFO] [stderr] Checking day14 v0.1.0 (/opt/rustwide/workdir/days/day14) [INFO] [stderr] Checking day12 v0.1.0 (/opt/rustwide/workdir/days/day12) [INFO] [stderr] Checking day2 v0.1.0 (/opt/rustwide/workdir/days/day2) [INFO] [stderr] Checking day18 v0.1.0 (/opt/rustwide/workdir/days/day18) [INFO] [stderr] Checking day5 v0.1.0 (/opt/rustwide/workdir/days/day5) [INFO] [stderr] Checking day25 v0.1.0 (/opt/rustwide/workdir/days/day25) [INFO] [stderr] Checking day6 v0.1.0 (/opt/rustwide/workdir/days/day6) [INFO] [stderr] Checking day3 v0.1.0 (/opt/rustwide/workdir/days/day3) [INFO] [stderr] Checking day16 v0.1.0 (/opt/rustwide/workdir/days/day16) [INFO] [stderr] Checking day21 v0.1.0 (/opt/rustwide/workdir/days/day21) [INFO] [stderr] Checking day4 v0.1.0 (/opt/rustwide/workdir/days/day4) [INFO] [stderr] Checking day24 v0.1.0 (/opt/rustwide/workdir/days/day24) [INFO] [stderr] Checking day20 v0.1.0 (/opt/rustwide/workdir/days/day20) [INFO] [stderr] Checking day19 v0.1.0 (/opt/rustwide/workdir/days/day19) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> days/day6/src/lib.rs:28:26 [INFO] [stdout] | [INFO] [stdout] 28 | let mut vec: Vec<(Vec<(usize, usize)>)> = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> days/day6/src/lib.rs:74:26 [INFO] [stdout] | [INFO] [stdout] 74 | let mut vec: Vec<(Vec)> = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `b` is never read [INFO] [stdout] --> days/day21/src/lib.rs:19:18 [INFO] [stdout] | [INFO] [stdout] 19 | let (mut b, mut c, mut d, mut f) = (0, 0, 0, 0); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `d` is never read [INFO] [stdout] --> days/day21/src/lib.rs:19:32 [INFO] [stdout] | [INFO] [stdout] 19 | let (mut b, mut c, mut d, mut f) = (0, 0, 0, 0); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `f` is never read [INFO] [stdout] --> days/day21/src/lib.rs:19:39 [INFO] [stdout] | [INFO] [stdout] 19 | let (mut b, mut c, mut d, mut f) = (0, 0, 0, 0); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `b` is never read [INFO] [stdout] --> days/day21/src/lib.rs:46:18 [INFO] [stdout] | [INFO] [stdout] 46 | let (mut b, mut c, mut d, mut f, mut last) = (0, 0, 0, 0, 0); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `d` is never read [INFO] [stdout] --> days/day21/src/lib.rs:46:32 [INFO] [stdout] | [INFO] [stdout] 46 | let (mut b, mut c, mut d, mut f, mut last) = (0, 0, 0, 0, 0); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `f` is never read [INFO] [stdout] --> days/day21/src/lib.rs:46:39 [INFO] [stdout] | [INFO] [stdout] 46 | let (mut b, mut c, mut d, mut f, mut last) = (0, 0, 0, 0, 0); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> days/day6/src/lib.rs:38:17 [INFO] [stdout] | [INFO] [stdout] 38 | let mut x = input[i][0]; [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] --> days/day6/src/lib.rs:39:17 [INFO] [stdout] | [INFO] [stdout] 39 | let mut y = input[i][1]; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking aoc18 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:9:21 [INFO] [stdout] | [INFO] [stdout] 9 | let solver: Box; [INFO] [stdout] | ^^^ help: use `dyn`: `dyn Day` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:9:21 [INFO] [stdout] | [INFO] [stdout] 9 | let solver: Box; [INFO] [stdout] | ^^^ help: use `dyn`: `dyn Day` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 41.56s [INFO] running `Command { std: "docker" "inspect" "eb73f36e23a96165aaae2015cca3aa05e758eaf4759b4c007c055f46e95e8733", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb73f36e23a96165aaae2015cca3aa05e758eaf4759b4c007c055f46e95e8733", kill_on_drop: false }` [INFO] [stdout] eb73f36e23a96165aaae2015cca3aa05e758eaf4759b4c007c055f46e95e8733