[INFO] cloning repository https://github.com/elfsternberg/buddhabrot [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/elfsternberg/buddhabrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felfsternberg%2Fbuddhabrot", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felfsternberg%2Fbuddhabrot'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 484f7a9508f710f17354d74b22f4114b9ba9e3b6 [INFO] checking elfsternberg/buddhabrot against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felfsternberg%2Fbuddhabrot" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/elfsternberg/buddhabrot on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/elfsternberg/buddhabrot [INFO] finished tweaking git repo https://github.com/elfsternberg/buddhabrot [INFO] tweaked toml for git repo https://github.com/elfsternberg/buddhabrot written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/elfsternberg/buddhabrot already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded regex v1.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2b8ff10dec19bd0be190515a7f5080836f3192dc2b92cacc862ef09c1be17469 [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" "2b8ff10dec19bd0be190515a7f5080836f3192dc2b92cacc862ef09c1be17469", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2b8ff10dec19bd0be190515a7f5080836f3192dc2b92cacc862ef09c1be17469", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b8ff10dec19bd0be190515a7f5080836f3192dc2b92cacc862ef09c1be17469", kill_on_drop: false }` [INFO] [stdout] 2b8ff10dec19bd0be190515a7f5080836f3192dc2b92cacc862ef09c1be17469 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 06aa143c25ea6add51bbbf6f5d2434f89ae4ca2a3e615f1877665923316f47e5 [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" "06aa143c25ea6add51bbbf6f5d2434f89ae4ca2a3e615f1877665923316f47e5", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.3 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling proc-macro2 v0.4.13 [INFO] [stderr] Compiling getrandom v0.1.11 [INFO] [stderr] Compiling cc v1.0.17 [INFO] [stderr] Compiling num-bigint v0.2.0 [INFO] [stderr] Compiling num-rational v0.2.1 [INFO] [stderr] Checking ppv-lite86 v0.2.5 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Compiling num-complex v0.2.0 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking rustc-demangle v0.1.8 [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking predicates-core v1.0.0 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking cast v0.2.2 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking same-file v1.0.5 [INFO] [stderr] Checking normalize-line-endings v0.2.2 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking itertools v0.8.0 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking gif v0.10.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Compiling proc-macro2 v1.0.2 [INFO] [stderr] Checking predicates-tree v1.0.0 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Checking crc32fast v1.2.0 [INFO] [stderr] Checking walkdir v2.2.9 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking float-cmp v0.4.0 [INFO] [stderr] Checking rand_xoshiro v0.1.0 [INFO] [stderr] Checking png v0.15.0 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking num-iter v0.1.37 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking memoffset v0.5.1 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Compiling quote v0.6.8 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking csv-core v0.1.6 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Checking rand v0.7.0 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Checking criterion-plot v0.3.1 [INFO] [stderr] Checking rayon-core v1.6.0 [INFO] [stderr] Checking crossbeam v0.7.2 [INFO] [stderr] Compiling synstructure v0.6.1 [INFO] [stderr] Compiling backtrace-sys v0.1.23 [INFO] [stderr] Checking rayon v1.2.0 [INFO] [stderr] Checking num v0.2.0 [INFO] [stderr] Compiling failure_derive v0.1.1 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking backtrace v0.3.8 [INFO] [stderr] Checking regex v1.3.0 [INFO] [stderr] Checking failure v0.1.1 [INFO] [stderr] Checking predicates v1.0.1 [INFO] [stderr] Checking jpeg-decoder v0.1.15 [INFO] [stderr] Compiling num-derive v0.2.2 [INFO] [stderr] Compiling serde_derive v1.0.99 [INFO] [stderr] Checking tiff v0.3.1 [INFO] [stderr] Checking image v0.22.1 [INFO] [stderr] Checking buddhabrot v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/lispy.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition [INFO] [stdout] --> src/lispy.rs:16:1 [INFO] [stdout] | [INFO] [stdout] 16 | / macro_rules! t { [INFO] [stdout] 17 | | ($condition: expr, $_true: expr, $_false: expr) => { [INFO] [stdout] 18 | | if $condition { [INFO] [stdout] 19 | | $_true [INFO] [stdout] ... | [INFO] [stdout] 23 | | }; [INFO] [stdout] 24 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `buddhabrot::lispy::find_interesting_points` [INFO] [stdout] --> src/bin/buddha.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use buddhabrot::lispy::find_interesting_points; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `buddhabrot::NaiveRenderer` [INFO] [stdout] --> src/bin/buddha.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use buddhabrot::NaiveRenderer; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `image::png::PNGEncoder` [INFO] [stdout] --> src/bin/buddha.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use image::png::PNGEncoder; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `iterations` [INFO] [stdout] --> src/bin/buddha.rs:184:9 [INFO] [stdout] | [INFO] [stdout] 184 | let iterations = usize::from_str(matches.value_of(ITERATIONS).unwrap()) [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_iterations` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/buddha.rs:205:23 [INFO] [stdout] | [INFO] [stdout] 205 | .map(|mut s| { [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: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking serde v1.0.99 [INFO] [stderr] Checking serde_json v1.0.40 [INFO] [stderr] Checking csv v1.0.7 [INFO] [stderr] Checking tinytemplate v1.0.2 [INFO] [stderr] Checking criterion v0.2.11 [INFO] [stderr] Checking assert_cmd v0.11.1 [INFO] [stdout] warning: unused import: `buddhabrot::lispy::find_interesting_points` [INFO] [stdout] --> src/bin/buddha.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use buddhabrot::lispy::find_interesting_points; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `buddhabrot::NaiveRenderer` [INFO] [stdout] --> src/bin/buddha.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use buddhabrot::NaiveRenderer; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `image::png::PNGEncoder` [INFO] [stdout] --> src/bin/buddha.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use image::png::PNGEncoder; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/lispy.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition [INFO] [stdout] --> src/lispy.rs:16:1 [INFO] [stdout] | [INFO] [stdout] 16 | / macro_rules! t { [INFO] [stdout] 17 | | ($condition: expr, $_true: expr, $_false: expr) => { [INFO] [stdout] 18 | | if $condition { [INFO] [stdout] 19 | | $_true [INFO] [stdout] ... | [INFO] [stdout] 23 | | }; [INFO] [stdout] 24 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `iterations` [INFO] [stdout] --> src/bin/buddha.rs:184:9 [INFO] [stdout] | [INFO] [stdout] 184 | let iterations = usize::from_str(matches.value_of(ITERATIONS).unwrap()) [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_iterations` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/buddha.rs:205:23 [INFO] [stdout] | [INFO] [stdout] 205 | .map(|mut s| { [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: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 26s [INFO] running `Command { std: "docker" "inspect" "06aa143c25ea6add51bbbf6f5d2434f89ae4ca2a3e615f1877665923316f47e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "06aa143c25ea6add51bbbf6f5d2434f89ae4ca2a3e615f1877665923316f47e5", kill_on_drop: false }` [INFO] [stdout] 06aa143c25ea6add51bbbf6f5d2434f89ae4ca2a3e615f1877665923316f47e5