[INFO] cloning repository https://github.com/camjackson/conway_rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/camjackson/conway_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamjackson%2Fconway_rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamjackson%2Fconway_rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a5895769b2e96b41ef45f8cccc20b59c27dae3d8 [INFO] checking camjackson/conway_rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamjackson%2Fconway_rs" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/camjackson/conway_rs 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/camjackson/conway_rs [INFO] finished tweaking git repo https://github.com/camjackson/conway_rs [INFO] tweaked toml for git repo https://github.com/camjackson/conway_rs written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/camjackson/conway_rs 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 wayland-window v0.2.3 [INFO] [stderr] Downloaded wayland-client v0.5.11 [INFO] [stderr] Downloaded x11-dl v2.4.0 [INFO] [stderr] Downloaded dylib v0.0.1 [INFO] [stderr] Downloaded rand v0.3.14 [INFO] [stderr] Downloaded gcc v0.3.28 [INFO] [stderr] Downloaded cfg-if v0.1.0 [INFO] [stderr] Downloaded dbghelp-sys v0.2.0 [INFO] [stderr] Downloaded debug-builders v0.1.0 [INFO] [stderr] Downloaded android_glue v0.1.3 [INFO] [stderr] Downloaded serde v0.7.4 [INFO] [stderr] Downloaded glutin v0.5.1 [INFO] [stderr] Downloaded gl_generator v0.5.1 [INFO] [stderr] Downloaded backtrace-sys v0.1.4 [INFO] [stderr] Downloaded khronos_api v1.0.0 [INFO] [stderr] Downloaded lazy_static v0.2.1 [INFO] [stderr] Downloaded glium v0.14.0 [INFO] [stderr] Downloaded lazy_static v0.1.16 [INFO] [stderr] Downloaded winapi v0.2.6 [INFO] [stderr] Downloaded wayland-kbd v0.3.5 [INFO] [stderr] Downloaded xml-rs v0.3.2 [INFO] [stderr] Downloaded smallvec v0.1.7 [INFO] [stderr] Downloaded cocoa v0.3.2 [INFO] [stderr] Downloaded core-foundation-sys v0.2.1 [INFO] [stderr] Downloaded core-graphics v0.3.0 [INFO] [stderr] Downloaded log v0.3.6 [INFO] [stderr] Downloaded objc v0.2.1 [INFO] [stderr] Downloaded shared_library v0.1.4 [INFO] [stderr] Downloaded shell32-sys v0.1.1 [INFO] [stderr] Downloaded fs2 v0.2.4 [INFO] [stderr] Downloaded byteorder v0.5.1 [INFO] [stderr] Downloaded tempfile v2.1.3 [INFO] [stderr] Downloaded crossbeam v0.2.9 [INFO] [stderr] Downloaded wayland-scanner v0.5.11 [INFO] [stderr] Downloaded libloading v0.2.2 [INFO] [stderr] Downloaded dlib v0.3.0 [INFO] [stderr] Downloaded libc v0.2.11 [INFO] [stderr] Downloaded backtrace v0.1.8 [INFO] [stderr] Downloaded gleam v0.2.18 [INFO] [stderr] Downloaded cgl v0.1.4 [INFO] [stderr] Downloaded core-foundation v0.2.1 [INFO] [stderr] Downloaded dwmapi-sys v0.1.0 [INFO] [stderr] Downloaded gdi32-sys v0.1.1 [INFO] [stderr] Downloaded osmesa-sys v0.0.5 [INFO] [stderr] Downloaded user32-sys v0.1.2 [INFO] [stderr] Downloaded memmap v0.2.3 [INFO] [stderr] Downloaded bitflags v0.6.0 [INFO] [stderr] Downloaded wayland-sys v0.5.11 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 5e1a09748cc6e8583a320cb976cf025bde1246c41fb2f385633a7cc7950c804d [INFO] running `Command { std: "docker" "start" "-a" "5e1a09748cc6e8583a320cb976cf025bde1246c41fb2f385633a7cc7950c804d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5e1a09748cc6e8583a320cb976cf025bde1246c41fb2f385633a7cc7950c804d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5e1a09748cc6e8583a320cb976cf025bde1246c41fb2f385633a7cc7950c804d", kill_on_drop: false }` [INFO] [stdout] 5e1a09748cc6e8583a320cb976cf025bde1246c41fb2f385633a7cc7950c804d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 5ce0358074d6ad70dace75a276dad9066a1ee7be9a6514aee85ef13c1c7c0c09 [INFO] running `Command { std: "docker" "start" "-a" "5ce0358074d6ad70dace75a276dad9066a1ee7be9a6514aee85ef13c1c7c0c09", kill_on_drop: false }` [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking libc v0.2.11 [INFO] [stderr] Checking winapi v0.2.6 [INFO] [stderr] Compiling bitflags v0.6.0 [INFO] [stderr] Compiling libloading v0.2.2 [INFO] [stderr] Checking lazy_static v0.1.16 [INFO] [stderr] Checking lazy_static v0.2.1 [INFO] [stderr] Compiling khronos_api v1.0.0 [INFO] [stderr] Compiling xml-rs v0.3.2 [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Compiling log v0.3.6 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Compiling gcc v0.3.28 [INFO] [stderr] Checking crossbeam v0.2.9 [INFO] [stderr] Compiling dbghelp-sys v0.2.0 [INFO] [stderr] Checking bitflags v0.3.3 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] Checking rand v0.3.14 [INFO] [stderr] Checking shared_library v0.1.4 [INFO] [stderr] Checking dylib v0.0.1 [INFO] [stderr] Compiling tempfile v2.1.3 [INFO] [stderr] Checking fs2 v0.2.4 [INFO] [stderr] Checking byteorder v0.5.1 [INFO] [stderr] Checking dlib v0.3.0 [INFO] [stderr] Checking x11-dl v2.4.0 [INFO] [stderr] Checking memmap v0.2.3 [INFO] [stderr] Checking wayland-sys v0.5.11 [INFO] [stderr] Checking osmesa-sys v0.0.5 [INFO] [stderr] Compiling backtrace-sys v0.1.4 [INFO] [stderr] Checking cfg-if v0.1.0 [INFO] [stderr] Checking debug-builders v0.1.0 [INFO] [stderr] Checking smallvec v0.1.7 [INFO] [stderr] Compiling wayland-scanner v0.5.11 [INFO] [stderr] Compiling gl_generator v0.5.1 [INFO] [stderr] Checking backtrace v0.1.8 [INFO] [stderr] Compiling glutin v0.5.1 [INFO] [stderr] Compiling glium v0.14.0 [INFO] [stderr] Compiling wayland-client v0.5.11 [INFO] [stderr] Checking wayland-window v0.2.3 [INFO] [stderr] Checking wayland-kbd v0.3.5 [INFO] [stderr] Checking conway_rs v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/seeds.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use rand; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | extern crate rand; [INFO] [stdout] | ------------------ the item `rand` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/seeds.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use rand; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | extern crate rand; [INFO] [stdout] | ------------------ the item `rand` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.78s [INFO] running `Command { std: "docker" "inspect" "5ce0358074d6ad70dace75a276dad9066a1ee7be9a6514aee85ef13c1c7c0c09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ce0358074d6ad70dace75a276dad9066a1ee7be9a6514aee85ef13c1c7c0c09", kill_on_drop: false }` [INFO] [stdout] 5ce0358074d6ad70dace75a276dad9066a1ee7be9a6514aee85ef13c1c7c0c09 [INFO] checking camjackson/conway_rs against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamjackson%2Fconway_rs" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/camjackson/conway_rs 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/camjackson/conway_rs [INFO] finished tweaking git repo https://github.com/camjackson/conway_rs [INFO] tweaked toml for git repo https://github.com/camjackson/conway_rs written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/camjackson/conway_rs 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 5a34353e4fc5fce73ab32394ce2681c43b7c2ce614a1bf9916fa5b300a304b7b [INFO] running `Command { std: "docker" "start" "-a" "5a34353e4fc5fce73ab32394ce2681c43b7c2ce614a1bf9916fa5b300a304b7b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5a34353e4fc5fce73ab32394ce2681c43b7c2ce614a1bf9916fa5b300a304b7b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a34353e4fc5fce73ab32394ce2681c43b7c2ce614a1bf9916fa5b300a304b7b", kill_on_drop: false }` [INFO] [stdout] 5a34353e4fc5fce73ab32394ce2681c43b7c2ce614a1bf9916fa5b300a304b7b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] ec50be0ba546b6802a9413c6fadb25994249f70c9ead5705f0da7ada0124339e [INFO] running `Command { std: "docker" "start" "-a" "ec50be0ba546b6802a9413c6fadb25994249f70c9ead5705f0da7ada0124339e", kill_on_drop: false }` [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking libc v0.2.11 [INFO] [stderr] Compiling bitflags v0.6.0 [INFO] [stderr] Checking winapi v0.2.6 [INFO] [stderr] Compiling libloading v0.2.2 [INFO] [stderr] Checking lazy_static v0.1.16 [INFO] [stderr] Checking lazy_static v0.2.1 [INFO] [stderr] Compiling khronos_api v1.0.0 [INFO] [stderr] Compiling xml-rs v0.3.2 [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Compiling log v0.3.6 [INFO] [stderr] Checking crossbeam v0.2.9 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Compiling gcc v0.3.28 [INFO] [stderr] Checking rand v0.3.14 [INFO] [stderr] Compiling dbghelp-sys v0.2.0 [INFO] [stderr] Checking dylib v0.0.1 [INFO] [stderr] Checking shared_library v0.1.4 [INFO] [stderr] Checking byteorder v0.5.1 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] Checking bitflags v0.3.3 [INFO] [stderr] Checking osmesa-sys v0.0.5 [INFO] [stderr] Checking fs2 v0.2.4 [INFO] [stderr] Checking x11-dl v2.4.0 [INFO] [stderr] Checking memmap v0.2.3 [INFO] [stderr] Checking debug-builders v0.1.0 [INFO] [stderr] Checking dlib v0.3.0 [INFO] [stderr] Checking wayland-sys v0.5.11 [INFO] [stderr] Checking cfg-if v0.1.0 [INFO] [stderr] Compiling tempfile v2.1.3 [INFO] [stderr] Checking smallvec v0.1.7 [INFO] [stderr] Compiling backtrace-sys v0.1.4 [INFO] [stderr] Compiling wayland-scanner v0.5.11 [INFO] [stderr] Compiling gl_generator v0.5.1 [INFO] [stderr] Checking backtrace v0.1.8 [INFO] [stderr] Compiling wayland-client v0.5.11 [INFO] [stderr] Compiling glutin v0.5.1 [INFO] [stderr] Compiling glium v0.14.0 [INFO] [stderr] Checking wayland-window v0.2.3 [INFO] [stderr] Checking wayland-kbd v0.3.5 [INFO] [stderr] Checking conway_rs v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/seeds.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use rand; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | extern crate rand; [INFO] [stdout] | ------------------ the item `rand` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/seeds.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use rand; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | extern crate rand; [INFO] [stdout] | ------------------ the item `rand` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.65s [INFO] running `Command { std: "docker" "inspect" "ec50be0ba546b6802a9413c6fadb25994249f70c9ead5705f0da7ada0124339e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec50be0ba546b6802a9413c6fadb25994249f70c9ead5705f0da7ada0124339e", kill_on_drop: false }` [INFO] [stdout] ec50be0ba546b6802a9413c6fadb25994249f70c9ead5705f0da7ada0124339e