[INFO] updating cached repository https://github.com/TheSilvus/buddhabrot [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] cfb5613add2f54259f36308137be4b9bc2bbda6c [INFO] checking TheSilvus/buddhabrot against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheSilvus%2Fbuddhabrot" "/workspace/builds/worker-6/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/TheSilvus/buddhabrot on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c [INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/TheSilvus/buddhabrot [INFO] finished tweaking git repo https://github.com/TheSilvus/buddhabrot [INFO] tweaked toml for git repo https://github.com/TheSilvus/buddhabrot written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/TheSilvus/buddhabrot already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] b52346056ef4c10fd6a6b1ddaa46f97c94be7497f2bdd02b2200a0d7fb2724ab [INFO] running `"docker" "start" "-a" "b52346056ef4c10fd6a6b1ddaa46f97c94be7497f2bdd02b2200a0d7fb2724ab"` [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling proc-macro2 v0.4.20 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Checking byteorder v1.2.6 [INFO] [stderr] Checking rand_core v0.3.0 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Compiling num-bigint v0.2.0 [INFO] [stderr] Compiling cc v1.0.25 [INFO] [stderr] Compiling serde v1.0.80 [INFO] [stderr] Checking crossbeam-utils v0.5.0 [INFO] [stderr] Compiling rayon v1.0.2 [INFO] [stderr] Compiling num-rational v0.2.1 [INFO] [stderr] Compiling num-derive v0.2.3 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling ryu v0.2.6 [INFO] [stderr] Compiling regex v1.0.5 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Compiling num-complex v0.2.1 [INFO] [stderr] Compiling failure_derive v0.1.3 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking rustc-demangle v0.1.9 [INFO] [stderr] Checking utf8-ranges v1.0.1 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking cast v0.2.2 [INFO] [stderr] Compiling pest v1.0.6 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking thread-scoped v1.0.2 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking same-file v1.0.3 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling memchr v2.1.0 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking log v0.4.5 [INFO] [stderr] Checking itertools v0.7.8 [INFO] [stderr] Checking inflate v0.4.3 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Checking rand_core v0.2.2 [INFO] [stderr] Checking regex-syntax v0.6.2 [INFO] [stderr] Checking deflate v0.7.19 [INFO] [stderr] Checking term v0.5.1 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Checking gif v0.10.1 [INFO] [stderr] Checking lock_api v0.1.4 [INFO] [stderr] Checking walkdir v2.2.5 [INFO] [stderr] Checking smallvec v0.6.5 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking rand v0.5.5 [INFO] [stderr] Checking time v0.1.40 [INFO] [stderr] Checking rand v0.4.3 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking crossbeam-epoch v0.6.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking crossbeam-epoch v0.5.2 [INFO] [stderr] Checking aho-corasick v0.6.8 [INFO] [stderr] Checking csv-core v0.1.4 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Compiling quote v0.6.8 [INFO] [stderr] Compiling backtrace-sys v0.1.24 [INFO] [stderr] Checking criterion-plot v0.2.5 [INFO] [stderr] Compiling syn v0.15.13 [INFO] [stderr] Checking crossbeam-deque v0.5.2 [INFO] [stderr] Checking criterion-stats v0.2.5 [INFO] [stderr] Checking itertools-num v0.1.2 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Checking backtrace v0.3.9 [INFO] [stderr] Checking png v0.12.0 [INFO] [stderr] Checking crossbeam-channel v0.2.6 [INFO] [stderr] Compiling pest_derive v1.0.8 [INFO] [stderr] Checking crossbeam v0.4.1 [INFO] [stderr] Checking simplelog v0.5.3 [INFO] [stderr] Checking num v0.2.0 [INFO] [stderr] Checking jpeg-decoder v0.1.15 [INFO] [stderr] Compiling synstructure v0.10.0 [INFO] [stderr] Checking serde_json v1.0.32 [INFO] [stderr] Checking csv v1.0.2 [INFO] [stderr] Compiling serde_derive v1.0.80 [INFO] [stderr] Checking failure v0.1.3 [INFO] [stderr] Checking handlebars v0.32.4 [INFO] [stderr] Checking tiff v0.2.1 [INFO] [stderr] Checking image v0.20.0 [INFO] [stderr] Checking mandelbuddha v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::fs::OpenOptions` [INFO] [stderr] --> src/main.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::fs::OpenOptions; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/image.rs:58:39 [INFO] [stderr] | [INFO] [stderr] 58 | pub fn map_to_image1(&self, map: &Fn(u32, u32) -> u8, color_type: file_image::ColorType) -> Image { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u32, u32) -> u8` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/image.rs:79:39 [INFO] [stderr] | [INFO] [stderr] 79 | pub fn map_to_image3(&self, map: &Fn(u32, u32) -> [u8; 3], color_type: file_image::ColorType) -> Image { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u32, u32) -> [u8; 3]` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/image.rs:99:33 [INFO] [stderr] | [INFO] [stderr] 99 | pub fn map(&mut self, map: &Fn(u32) -> u32) -> &mut ImageData { [INFO] [stderr] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u32) -> u32` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `config` [INFO] [stderr] --> src/main.rs:399:10 [INFO] [stderr] | [INFO] [stderr] 399 | fn image(config: Config) { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_config` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/image.rs:30:17 [INFO] [stderr] | [INFO] [stderr] 30 | for (i, mut value) in image1.data.iter_mut().enumerate() { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] Checking criterion v0.2.5 [INFO] [stderr] warning: unused import: `std::fs::OpenOptions` [INFO] [stderr] --> src/main.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::fs::OpenOptions; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/image.rs:58:39 [INFO] [stderr] | [INFO] [stderr] 58 | pub fn map_to_image1(&self, map: &Fn(u32, u32) -> u8, color_type: file_image::ColorType) -> Image { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u32, u32) -> u8` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/image.rs:79:39 [INFO] [stderr] | [INFO] [stderr] 79 | pub fn map_to_image3(&self, map: &Fn(u32, u32) -> [u8; 3], color_type: file_image::ColorType) -> Image { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u32, u32) -> [u8; 3]` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/image.rs:99:33 [INFO] [stderr] | [INFO] [stderr] 99 | pub fn map(&mut self, map: &Fn(u32) -> u32) -> &mut ImageData { [INFO] [stderr] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u32) -> u32` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `config` [INFO] [stderr] --> src/main.rs:399:10 [INFO] [stderr] | [INFO] [stderr] 399 | fn image(config: Config) { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_config` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/image.rs:30:17 [INFO] [stderr] | [INFO] [stderr] 30 | for (i, mut value) in image1.data.iter_mut().enumerate() { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 51s [INFO] running `"docker" "inspect" "b52346056ef4c10fd6a6b1ddaa46f97c94be7497f2bdd02b2200a0d7fb2724ab"` [INFO] running `"docker" "rm" "-f" "b52346056ef4c10fd6a6b1ddaa46f97c94be7497f2bdd02b2200a0d7fb2724ab"` [INFO] [stdout] b52346056ef4c10fd6a6b1ddaa46f97c94be7497f2bdd02b2200a0d7fb2724ab