[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 master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felfsternberg%2Fbuddhabrot" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/elfsternberg/buddhabrot on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-6-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded getrandom v0.1.11 [INFO] [stderr] Downloaded predicates-core v1.0.0 [INFO] [stderr] Downloaded normalize-line-endings v0.2.2 [INFO] [stderr] Downloaded num v0.2.0 [INFO] [stderr] Downloaded predicates v1.0.1 [INFO] [stderr] Downloaded predicates-tree v1.0.0 [INFO] [stderr] Downloaded float-cmp v0.4.0 [INFO] [stderr] Downloaded cast v0.2.2 [INFO] [stderr] Downloaded crossbeam v0.7.2 [INFO] [stderr] Downloaded num-rational v0.2.1 [INFO] [stderr] Downloaded rand_xoshiro v0.1.0 [INFO] [stderr] Downloaded criterion-plot v0.3.1 [INFO] [stderr] Downloaded tinytemplate v1.0.2 [INFO] [stderr] Downloaded csv-core v0.1.6 [INFO] [stderr] Downloaded cc v1.0.17 [INFO] [stderr] Downloaded serde v1.0.99 [INFO] [stderr] Downloaded criterion v0.2.11 [INFO] [stderr] Downloaded itertools v0.8.0 [INFO] [stderr] Downloaded num-bigint v0.2.0 [INFO] [stderr] Downloaded regex v1.3.0 [INFO] [stderr] Downloaded rayon v1.2.0 [INFO] [stderr] Downloaded image v0.22.1 [INFO] [stderr] Downloaded proc-macro2 v0.4.13 [INFO] [stderr] Downloaded rayon-core v1.6.0 [INFO] [stderr] Downloaded proc-macro2 v1.0.2 [INFO] [stderr] Downloaded serde_derive v1.0.99 [INFO] [stderr] Downloaded gif v0.10.0 [INFO] [stderr] Downloaded png v0.15.0 [INFO] [stderr] Downloaded num-complex v0.2.0 [INFO] [stderr] Downloaded num-traits v0.2.5 [INFO] [stderr] Downloaded byteorder v1.2.4 [INFO] [stderr] Downloaded inflate v0.4.3 [INFO] [stderr] Downloaded num-derive v0.2.2 [INFO] [stderr] Downloaded backtrace-sys v0.1.23 [INFO] [stderr] Downloaded csv v1.0.7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6c9562d00b386eab65a5b58c8ab4683b29df35fb5a48086ab773a8ceb4708eff [INFO] running `Command { std: "docker" "start" "-a" "6c9562d00b386eab65a5b58c8ab4683b29df35fb5a48086ab773a8ceb4708eff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6c9562d00b386eab65a5b58c8ab4683b29df35fb5a48086ab773a8ceb4708eff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c9562d00b386eab65a5b58c8ab4683b29df35fb5a48086ab773a8ceb4708eff", kill_on_drop: false }` [INFO] [stdout] 6c9562d00b386eab65a5b58c8ab4683b29df35fb5a48086ab773a8ceb4708eff [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7516e031824f3e9a185acd0b64a40a662b469028ac41c23120c5e020598b3cd9 [INFO] running `Command { std: "docker" "start" "-a" "7516e031824f3e9a185acd0b64a40a662b469028ac41c23120c5e020598b3cd9", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Checking cfg-if v0.1.3 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling num-traits v0.2.5 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling proc-macro2 v1.0.2 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Checking byteorder v1.2.4 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling proc-macro2 v0.4.13 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling getrandom v0.1.11 [INFO] [stderr] Compiling rayon-core v1.6.0 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Compiling serde v1.0.99 [INFO] [stderr] Compiling cc v1.0.17 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Compiling num-bigint v0.2.0 [INFO] [stderr] Compiling num-rational v0.2.1 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking ppv-lite86 v0.2.5 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking adler32 v1.0.3 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Compiling num-complex v0.2.0 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling quote v0.6.8 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Checking inflate v0.4.3 [INFO] [stderr] Checking deflate v0.7.18 [INFO] [stderr] Checking itertools v0.8.0 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking rustc-demangle v0.1.8 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Checking png v0.15.0 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking gif v0.10.0 [INFO] [stderr] Compiling backtrace-sys v0.1.23 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking predicates-core v1.0.0 [INFO] [stderr] Checking rand v0.7.0 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Compiling synstructure v0.6.1 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking crossbeam v0.7.2 [INFO] [stderr] Checking float-cmp v0.4.0 [INFO] [stderr] Checking csv-core v0.1.6 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking same-file v1.0.5 [INFO] [stderr] Checking normalize-line-endings v0.2.2 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking cast v0.2.2 [INFO] [stderr] Checking rayon v1.2.0 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking rand_xoshiro v0.1.0 [INFO] [stderr] Checking walkdir v2.2.9 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking predicates-tree v1.0.0 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Checking criterion-plot v0.3.1 [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 num v0.2.0 [INFO] [stderr] Checking failure v0.1.1 [INFO] [stderr] Compiling num-derive v0.2.2 [INFO] [stderr] Checking tiff v0.3.1 [INFO] [stderr] Compiling serde_derive v1.0.99 [INFO] [stderr] Checking regex v1.3.0 [INFO] [stderr] Checking jpeg-decoder v0.1.15 [INFO] [stderr] Checking image v0.22.1 [INFO] [stderr] Checking predicates v1.0.1 [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: `t` [INFO] [stdout] --> src/lispy.rs:16:14 [INFO] [stdout] | [INFO] [stdout] 16 | macro_rules! t { [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_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: `t` [INFO] [stdout] --> src/lispy.rs:16:14 [INFO] [stdout] | [INFO] [stdout] 16 | macro_rules! t { [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` profile [unoptimized + debuginfo] target(s) in 9.60s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11, syn v0.14.9 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "7516e031824f3e9a185acd0b64a40a662b469028ac41c23120c5e020598b3cd9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7516e031824f3e9a185acd0b64a40a662b469028ac41c23120c5e020598b3cd9", kill_on_drop: false }` [INFO] [stdout] 7516e031824f3e9a185acd0b64a40a662b469028ac41c23120c5e020598b3cd9 [INFO] checking elfsternberg/buddhabrot against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felfsternberg%2Fbuddhabrot" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/elfsternberg/buddhabrot on toolchain f9935d29d867449445ee008640ccca1bf1ae0889 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-6-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ca95963dd426b20cdee84466fefbb87ef9390bec24bccc4c7bc4b9258621d27a [INFO] running `Command { std: "docker" "start" "-a" "ca95963dd426b20cdee84466fefbb87ef9390bec24bccc4c7bc4b9258621d27a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ca95963dd426b20cdee84466fefbb87ef9390bec24bccc4c7bc4b9258621d27a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca95963dd426b20cdee84466fefbb87ef9390bec24bccc4c7bc4b9258621d27a", kill_on_drop: false }` [INFO] [stdout] ca95963dd426b20cdee84466fefbb87ef9390bec24bccc4c7bc4b9258621d27a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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 -Dtail_expr_drop_order" "-e" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b6f4a893be2eddf27b3aeef6671eb85f03ef77bb9078f4e9809501b6e74b809c [INFO] running `Command { std: "docker" "start" "-a" "b6f4a893be2eddf27b3aeef6671eb85f03ef77bb9078f4e9809501b6e74b809c", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Checking cfg-if v0.1.3 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling num-traits v0.2.5 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling proc-macro2 v1.0.2 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Checking byteorder v1.2.4 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling proc-macro2 v0.4.13 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Compiling serde v1.0.99 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Compiling rayon-core v1.6.0 [INFO] [stderr] Compiling getrandom v0.1.11 [INFO] [stderr] Compiling num-bigint v0.2.0 [INFO] [stderr] Compiling cc v1.0.17 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Compiling num-rational v0.2.1 [INFO] [stderr] Checking ppv-lite86 v0.2.5 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Checking adler32 v1.0.3 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling rustc_version v0.2.3 [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 textwrap v0.11.0 [INFO] [stderr] Compiling quote v0.6.8 [INFO] [stderr] Checking deflate v0.7.18 [INFO] [stderr] Checking inflate v0.4.3 [INFO] [stderr] Checking itertools v0.8.0 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rustc-demangle v0.1.8 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking png v0.15.0 [INFO] [stderr] Checking gif v0.10.0 [INFO] [stderr] Compiling backtrace-sys v0.1.23 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking rand v0.7.0 [INFO] [stderr] Checking predicates-core v1.0.0 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Compiling synstructure v0.6.1 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Checking float-cmp v0.4.0 [INFO] [stderr] Checking crossbeam v0.7.2 [INFO] [stderr] Checking csv-core v0.1.6 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking same-file v1.0.5 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking cast v0.2.2 [INFO] [stderr] Checking rayon v1.2.0 [INFO] [stderr] Checking normalize-line-endings v0.2.2 [INFO] [stderr] Checking walkdir v2.2.9 [INFO] [stderr] Checking predicates-tree v1.0.0 [INFO] [stderr] Checking rand_xoshiro v0.1.0 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Checking criterion-plot v0.3.1 [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 failure v0.1.1 [INFO] [stderr] Checking num v0.2.0 [INFO] [stderr] Compiling num-derive v0.2.2 [INFO] [stderr] Checking tiff v0.3.1 [INFO] [stderr] Checking jpeg-decoder v0.1.15 [INFO] [stderr] Checking regex v1.3.0 [INFO] [stderr] Compiling serde_derive v1.0.99 [INFO] [stderr] Checking image v0.22.1 [INFO] [stderr] Checking predicates v1.0.1 [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: `t` [INFO] [stdout] --> src/lispy.rs:16:14 [INFO] [stdout] | [INFO] [stdout] 16 | macro_rules! t { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lispy.rs:165:31 [INFO] [stdout] | [INFO] [stdout] 163 | let cells = cells.clone(); [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 164 | let mut points: Vec> = vec![]; [INFO] [stdout] 165 | spawner.spawn(move |_| { [INFO] [stdout] | _______________________________^ [INFO] [stdout] 166 | | let mut rng = CellPoint::new(cupe.cell_size); [INFO] [stdout] 167 | | loop { [INFO] [stdout] 168 | | let cell = { cells.lock().unwrap().next() }; [INFO] [stdout] ... | [INFO] [stdout] 184 | | points [INFO] [stdout] 185 | | }) [INFO] [stdout] | |_________________^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lispy.rs:191:27 [INFO] [stdout] | [INFO] [stdout] 191 | .map(|handle| handle.join().unwrap()) [INFO] [stdout] | ------ ^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lispy.rs:312:31 [INFO] [stdout] | [INFO] [stdout] 311 | let points = points.clone(); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 312 | spawner.spawn(move |_| { [INFO] [stdout] | _______________________________^ [INFO] [stdout] 313 | | let mut samples: Vec<(Complex, usize)> = vec![]; [INFO] [stdout] 314 | | let mut rng = CellPoint::new(cell_size); [INFO] [stdout] 315 | | loop { [INFO] [stdout] ... | [INFO] [stdout] 332 | | samples [INFO] [stdout] 333 | | }) [INFO] [stdout] | |_________________^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lispy.rs:340:27 [INFO] [stdout] | [INFO] [stdout] 340 | .map(|handle| handle.join().unwrap()) [INFO] [stdout] | ------ ^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `buddhabrot` (lib) due to 5 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "b6f4a893be2eddf27b3aeef6671eb85f03ef77bb9078f4e9809501b6e74b809c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b6f4a893be2eddf27b3aeef6671eb85f03ef77bb9078f4e9809501b6e74b809c", kill_on_drop: false }` [INFO] [stdout] b6f4a893be2eddf27b3aeef6671eb85f03ef77bb9078f4e9809501b6e74b809c