[INFO] cloning repository https://github.com/banditpig/AoC_2015_Rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/banditpig/AoC_2015_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbanditpig%2FAoC_2015_Rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbanditpig%2FAoC_2015_Rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c17ec8b7ed670bd99b4299a2c73fb4787a1c2604 [INFO] checking banditpig/AoC_2015_Rust against master#0a8629bff642c3c3b84bb644c0099194f063b627 for pr-86231 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbanditpig%2FAoC_2015_Rust" "/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/banditpig/AoC_2015_Rust on toolchain 0a8629bff642c3c3b84bb644c0099194f063b627 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/banditpig/AoC_2015_Rust [INFO] finished tweaking git repo https://github.com/banditpig/AoC_2015_Rust [INFO] tweaked toml for git repo https://github.com/banditpig/AoC_2015_Rust written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/banditpig/AoC_2015_Rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--no-deps" "--format-version=1", 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] 0c69ff50e1e9eab1ac839e38aeda95f22b357e79b559e60af7d8bb23ce505135 [INFO] running `Command { std: "docker" "start" "-a" "0c69ff50e1e9eab1ac839e38aeda95f22b357e79b559e60af7d8bb23ce505135", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0c69ff50e1e9eab1ac839e38aeda95f22b357e79b559e60af7d8bb23ce505135", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c69ff50e1e9eab1ac839e38aeda95f22b357e79b559e60af7d8bb23ce505135", kill_on_drop: false }` [INFO] [stdout] 0c69ff50e1e9eab1ac839e38aeda95f22b357e79b559e60af7d8bb23ce505135 [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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "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] e852c6538c4df388783f3161adaad7584499198193e4733dc8b0f46c5cde4e2c [INFO] running `Command { std: "docker" "start" "-a" "e852c6538c4df388783f3161adaad7584499198193e4733dc8b0f46c5cde4e2c", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.36 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking time v0.1.39 [INFO] [stderr] Checking rand v0.3.22 [INFO] [stderr] Checking rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/day6.rs:129:53 [INFO] [stdout] | [INFO] [stdout] 129 | fn run_ops_gen<'a, T>(ops: &AllOps, lights: &'a mut Switchable) -> &'a mut Switchable { [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Switchable` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/day6.rs:129:79 [INFO] [stdout] | [INFO] [stdout] 129 | fn run_ops_gen<'a, T>(ops: &AllOps, lights: &'a mut Switchable) -> &'a mut Switchable { [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Switchable` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/day6.rs:129:53 [INFO] [stdout] | [INFO] [stdout] 129 | fn run_ops_gen<'a, T>(ops: &AllOps, lights: &'a mut Switchable) -> &'a mut Switchable { [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Switchable` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/day6.rs:129:79 [INFO] [stdout] | [INFO] [stdout] 129 | fn run_ops_gen<'a, T>(ops: &AllOps, lights: &'a mut Switchable) -> &'a mut Switchable { [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Switchable` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/day6.rs:71:29 [INFO] [stdout] | [INFO] [stdout] 71 | let mut old = self[r][c]; [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: function is never used: `has_duplicates` [INFO] [stdout] --> src/utils.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | pub fn has_duplicates(v: &Vec) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added. [INFO] [stdout] --> src/day5.rs:29:23 [INFO] [stdout] | [INFO] [stdout] 29 | for pair in PAIRS.into_iter() { [INFO] [stdout] | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/day6.rs:71:29 [INFO] [stdout] | [INFO] [stdout] 71 | let mut old = self[r][c]; [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: function is never used: `has_duplicates` [INFO] [stdout] --> src/utils.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | pub fn has_duplicates(v: &Vec) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added. [INFO] [stdout] --> src/day5.rs:29:23 [INFO] [stdout] | [INFO] [stdout] 29 | for pair in PAIRS.into_iter() { [INFO] [stdout] | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.28s [INFO] running `Command { std: "docker" "inspect" "e852c6538c4df388783f3161adaad7584499198193e4733dc8b0f46c5cde4e2c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e852c6538c4df388783f3161adaad7584499198193e4733dc8b0f46c5cde4e2c", kill_on_drop: false }` [INFO] [stdout] e852c6538c4df388783f3161adaad7584499198193e4733dc8b0f46c5cde4e2c