[INFO] cloning repository https://github.com/anthonynguyen/primitive
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anthonynguyen/primitive" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanthonynguyen%2Fprimitive", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanthonynguyen%2Fprimitive'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 12110da00942d58a2cd10fee8d9d28de79af46d0
[INFO] checking anthonynguyen/primitive against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanthonynguyen%2Fprimitive" "/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/anthonynguyen/primitive 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/anthonynguyen/primitive
[INFO] finished tweaking git repo https://github.com/anthonynguyen/primitive
[INFO] tweaked toml for git repo https://github.com/anthonynguyen/primitive written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/anthonynguyen/primitive 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded isatty v0.1.5
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[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] b36edfcbd8ee3c6ca089513b13da76dddacad5e3b29e681abbaf027ce00305a2
[INFO] running `Command { std: "docker" "start" "-a" "b36edfcbd8ee3c6ca089513b13da76dddacad5e3b29e681abbaf027ce00305a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b36edfcbd8ee3c6ca089513b13da76dddacad5e3b29e681abbaf027ce00305a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b36edfcbd8ee3c6ca089513b13da76dddacad5e3b29e681abbaf027ce00305a2", kill_on_drop: false }`
[INFO] [stdout] b36edfcbd8ee3c6ca089513b13da76dddacad5e3b29e681abbaf027ce00305a2
[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] d2d8049cf6591ec84abc62d19c3e94a9abfccdfba693d5a16d238810c1d1554f
[INFO] running `Command { std: "docker" "start" "-a" "d2d8049cf6591ec84abc62d19c3e94a9abfccdfba693d5a16d238810c1d1554f", kill_on_drop: false }`
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[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking lazy_static v0.2.9
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]     Checking either v1.2.0
[INFO] [stderr]     Checking scopeguard v0.3.2
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking adler32 v1.0.2
[INFO] [stderr]     Checking futures v0.1.16
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking coco v0.1.1
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking utf8-ranges v1.0.0
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[INFO] [stderr]     Checking deflate v0.7.17
[INFO] [stderr]     Checking inflate v0.3.3
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[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking num_cpus v1.7.0
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking rand v0.3.17
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[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking num-rational v0.1.39
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[INFO] [stderr]     Checking enum_primitive v0.1.1
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[INFO] [stderr]     Checking scoped_threadpool v0.1.8
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[INFO] [stderr]     Checking clap v2.26.2
[INFO] [stderr]     Checking png v0.10.0
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]     Checking env_logger v0.4.3
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[INFO] [stderr]     Checking jpeg-decoder v0.1.13
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[INFO] [stderr]     Checking primitive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]  --> src/errors.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / error_chain!{
[INFO] [stdout] 2 | |     foreign_links {
[INFO] [stdout] 3 | |         Image(::image::ImageError);
[INFO] [stdout] 4 | |         Io(::std::io::Error);
[INFO] [stdout] 5 | |         ParseInt(::std::num::ParseIntError);
[INFO] [stdout] 6 | |     }
[INFO] [stdout] 7 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]   = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]  --> src/errors.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / error_chain!{
[INFO] [stdout] 2 | |     foreign_links {
[INFO] [stdout] 3 | |         Image(::image::ImageError);
[INFO] [stdout] 4 | |         Io(::std::io::Error);
[INFO] [stdout] 5 | |         ParseInt(::std::num::ParseIntError);
[INFO] [stdout] 6 | |     }
[INFO] [stdout] 7 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]  --> src/errors.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / error_chain!{
[INFO] [stdout] 2 | |     foreign_links {
[INFO] [stdout] 3 | |         Image(::image::ImageError);
[INFO] [stdout] 4 | |         Io(::std::io::Error);
[INFO] [stdout] 5 | |         ParseInt(::std::num::ParseIntError);
[INFO] [stdout] 6 | |     }
[INFO] [stdout] 7 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]   = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]  --> src/errors.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / error_chain!{
[INFO] [stdout] 2 | |     foreign_links {
[INFO] [stdout] 3 | |         Image(::image::ImageError);
[INFO] [stdout] 4 | |         Io(::std::io::Error);
[INFO] [stdout] 5 | |         ParseInt(::std::num::ParseIntError);
[INFO] [stdout] 6 | |     }
[INFO] [stdout] 7 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `euclidean` is never used
[INFO] [stdout]  --> src/distance.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn euclidean<P: Pixel<Subpixel = u8>>(p1: &P, p2: &P) -> u32 {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `rect` is never used
[INFO] [stdout]   --> src/generator.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Generator {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn rect(&mut self, len: u32) -> Vec<(u32, u32)> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `euclidean` is never used
[INFO] [stdout]  --> src/distance.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn euclidean<P: Pixel<Subpixel = u8>>(p1: &P, p2: &P) -> u32 {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `rect` is never used
[INFO] [stdout]   --> src/generator.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Generator {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn rect(&mut self, len: u32) -> Vec<(u32, u32)> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.12s
[INFO] running `Command { std: "docker" "inspect" "d2d8049cf6591ec84abc62d19c3e94a9abfccdfba693d5a16d238810c1d1554f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2d8049cf6591ec84abc62d19c3e94a9abfccdfba693d5a16d238810c1d1554f", kill_on_drop: false }`
[INFO] [stdout] d2d8049cf6591ec84abc62d19c3e94a9abfccdfba693d5a16d238810c1d1554f