[INFO] cloning repository https://github.com/ambadoom/mandelbrot [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ambadoom/mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fambadoom%2Fmandelbrot", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fambadoom%2Fmandelbrot'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5ed09f561d0c94624db94f004634aef66e6d7a37 [INFO] checking ambadoom/mandelbrot against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fambadoom%2Fmandelbrot" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ambadoom/mandelbrot on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ambadoom/mandelbrot [INFO] finished tweaking git repo https://github.com/ambadoom/mandelbrot [INFO] tweaked toml for git repo https://github.com/ambadoom/mandelbrot written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ambadoom/mandelbrot 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libc v0.2.90 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b6056f555fc5199c7bdba9a8318907ecc27f341c1d46cd49396fb72a8de8ed42 [INFO] running `Command { std: "docker" "start" "-a" "b6056f555fc5199c7bdba9a8318907ecc27f341c1d46cd49396fb72a8de8ed42", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b6056f555fc5199c7bdba9a8318907ecc27f341c1d46cd49396fb72a8de8ed42", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b6056f555fc5199c7bdba9a8318907ecc27f341c1d46cd49396fb72a8de8ed42", kill_on_drop: false }` [INFO] [stdout] b6056f555fc5199c7bdba9a8318907ecc27f341c1d46cd49396fb72a8de8ed42 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 046660e58e2f6a4cabec43bfd923edc6d5958479a6d70bfaa44482f0d9bc8701 [INFO] running `Command { std: "docker" "start" "-a" "046660e58e2f6a4cabec43bfd923edc6d5958479a6d70bfaa44482f0d9bc8701", kill_on_drop: false }` [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling libc v0.2.90 [INFO] [stderr] Compiling crossbeam-utils v0.8.3 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling syn v1.0.64 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling serde v1.0.124 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Compiling indexmap v1.6.2 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking weezl v0.1.4 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Checking deflate v0.8.6 [INFO] [stderr] Checking miniz_oxide v0.3.7 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking textwrap v0.12.1 [INFO] [stderr] Checking bytemuck v1.5.1 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.3 [INFO] [stderr] Checking gif v0.11.1 [INFO] [stderr] Checking plotters-backend v0.3.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Compiling serde_derive v1.0.124 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking png v0.16.8 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking os_str_bytes v2.4.0 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking plotters-svg v0.3.0 [INFO] [stderr] Checking regex-syntax v0.6.23 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking half v1.7.1 [INFO] [stderr] Checking plotters v0.3.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking itertools v0.10.0 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking pbr v1.0.4 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Checking regex v1.4.5 [INFO] [stderr] Checking bstr v0.2.15 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Checking jpeg-decoder v0.1.22 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking tiff v0.6.1 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.2 [INFO] [stderr] Checking image v0.23.14 [INFO] [stderr] Checking clap v3.0.0-beta.2 [INFO] [stderr] Checking criterion v0.3.4 [INFO] [stderr] Checking mandelbrot v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [optimized + debuginfo] target(s) in 26.84s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.4 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4` [INFO] running `Command { std: "docker" "inspect" "046660e58e2f6a4cabec43bfd923edc6d5958479a6d70bfaa44482f0d9bc8701", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "046660e58e2f6a4cabec43bfd923edc6d5958479a6d70bfaa44482f0d9bc8701", kill_on_drop: false }` [INFO] [stdout] 046660e58e2f6a4cabec43bfd923edc6d5958479a6d70bfaa44482f0d9bc8701 [INFO] checking ambadoom/mandelbrot against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fambadoom%2Fmandelbrot" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ambadoom/mandelbrot on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ambadoom/mandelbrot [INFO] finished tweaking git repo https://github.com/ambadoom/mandelbrot [INFO] tweaked toml for git repo https://github.com/ambadoom/mandelbrot written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/ambadoom/mandelbrot 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5fbab0d1eb8a68273eedb0e8825580e88d6308d71325a7345c6282b11e934670 [INFO] running `Command { std: "docker" "start" "-a" "5fbab0d1eb8a68273eedb0e8825580e88d6308d71325a7345c6282b11e934670", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5fbab0d1eb8a68273eedb0e8825580e88d6308d71325a7345c6282b11e934670", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5fbab0d1eb8a68273eedb0e8825580e88d6308d71325a7345c6282b11e934670", kill_on_drop: false }` [INFO] [stdout] 5fbab0d1eb8a68273eedb0e8825580e88d6308d71325a7345c6282b11e934670 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 68f32c08ce291edd06a695d17afbf37131fe1be63d8466a2d84ba105e0f84e37 [INFO] running `Command { std: "docker" "start" "-a" "68f32c08ce291edd06a695d17afbf37131fe1be63d8466a2d84ba105e0f84e37", kill_on_drop: false }` [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling libc v0.2.90 [INFO] [stderr] Compiling crossbeam-utils v0.8.3 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling syn v1.0.64 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling serde v1.0.124 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Compiling indexmap v1.6.2 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking weezl v0.1.4 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Checking deflate v0.8.6 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Checking miniz_oxide v0.3.7 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking gif v0.11.1 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.3 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking textwrap v0.12.1 [INFO] [stderr] Checking os_str_bytes v2.4.0 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking plotters-backend v0.3.0 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Compiling serde_derive v1.0.124 [INFO] [stderr] Checking bytemuck v1.5.1 [INFO] [stderr] Checking png v0.16.8 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking half v1.7.1 [INFO] [stderr] Checking regex-syntax v0.6.23 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking plotters-svg v0.3.0 [INFO] [stderr] Checking itertools v0.10.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking plotters v0.3.0 [INFO] [stderr] Checking pbr v1.0.4 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Checking regex v1.4.5 [INFO] [stderr] Checking bstr v0.2.15 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking jpeg-decoder v0.1.22 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking tiff v0.6.1 [INFO] [stderr] Checking image v0.23.14 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.2 [INFO] [stderr] Checking clap v3.0.0-beta.2 [INFO] [stderr] Checking mandelbrot v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking criterion v0.3.4 [INFO] [stderr] Finished `dev` profile [optimized + debuginfo] target(s) in 20.77s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.4 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4` [INFO] running `Command { std: "docker" "inspect" "68f32c08ce291edd06a695d17afbf37131fe1be63d8466a2d84ba105e0f84e37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "68f32c08ce291edd06a695d17afbf37131fe1be63d8466a2d84ba105e0f84e37", kill_on_drop: false }` [INFO] [stdout] 68f32c08ce291edd06a695d17afbf37131fe1be63d8466a2d84ba105e0f84e37