[INFO] fetching crate m5x7 1.0.0...
[INFO] checking m5x7-1.0.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate m5x7 1.0.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate m5x7 1.0.0 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 crates.io crate m5x7 1.0.0
[INFO] finished tweaking crates.io crate m5x7 1.0.0
[INFO] tweaked toml for crates.io crate m5x7 1.0.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 56 packages
[INFO] [stderr]       Adding approx v0.3.2 (latest: v0.5.1)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding deflate v0.7.20 (latest: v1.0.0)
[INFO] [stderr]       Adding gif v0.10.3 (latest: v0.13.1)
[INFO] [stderr]       Adding gl v0.11.0 (latest: v0.14.0)
[INFO] [stderr]       Adding gl_generator v0.10.0 (latest: v0.14.0)
[INFO] [stderr]       Adding image v0.22.5 (latest: v0.25.1)
[INFO] [stderr]       Adding interpolation v0.2.0 (latest: v0.3.0)
[INFO] [stderr]       Adding jpeg-decoder v0.1.22 (latest: v0.3.1)
[INFO] [stderr]       Adding khronos_api v2.2.0 (latest: v3.1.0)
[INFO] [stderr]       Adding num-derive v0.2.5 (latest: v0.4.2)
[INFO] [stderr]       Adding num-rational v0.2.4 (latest: v0.4.1)
[INFO] [stderr]       Adding ordered-float v1.1.1 (latest: v4.2.0)
[INFO] [stderr]       Adding piston-graphics_api_version v0.2.0 (latest: v1.0.1)
[INFO] [stderr]       Adding piston-shaders_graphics2d v0.3.1 (latest: v0.4.0)
[INFO] [stderr]       Adding piston-texture v0.8.0 (latest: v0.9.0)
[INFO] [stderr]       Adding piston2d-graphics v0.35.0 (latest: v0.44.0)
[INFO] [stderr]       Adding piston2d-opengl_graphics v0.70.0 (latest: v0.84.0)
[INFO] [stderr]       Adding png v0.15.3 (latest: v0.17.13)
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (latest: v1.0.79)
[INFO] [stderr]       Adding quote v0.6.13 (latest: v1.0.35)
[INFO] [stderr]       Adding rusttype v0.7.9 (latest: v0.9.3)
[INFO] [stderr]       Adding rusttype v0.8.3 (latest: v0.9.3)
[INFO] [stderr]       Adding shader_version v0.6.0 (latest: v0.7.0)
[INFO] [stderr]       Adding syn v0.15.44 (latest: v2.0.58)
[INFO] [stderr]       Adding tiff v0.3.1 (latest: v0.9.1)
[INFO] [stderr]       Adding unicode-xid v0.1.0 (latest: v0.2.4)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded piston-graphics_api_version v0.2.0
[INFO] [stderr]   Downloaded piston-float v1.0.1
[INFO] [stderr]   Downloaded shader_version v0.6.0
[INFO] [stderr]   Downloaded rusttype v0.8.3
[INFO] [stderr]   Downloaded vecmath v1.0.0
[INFO] [stderr]   Downloaded piston2d-graphics v0.35.0
[INFO] [stderr]   Downloaded gl_generator v0.10.0
[INFO] [stderr]   Downloaded gl v0.11.0
[INFO] [stderr]   Downloaded rusttype v0.7.9
[INFO] [stderr]   Downloaded piston-shaders_graphics2d v0.3.1
[INFO] [stderr]   Downloaded interpolation v0.2.0
[INFO] [stderr]   Downloaded piston-texture v0.8.0
[INFO] [stderr]   Downloaded piston-viewport v1.0.2
[INFO] [stderr]   Downloaded read_color v1.0.0
[INFO] [stderr]   Downloaded stb_truetype v0.3.1
[INFO] [stderr]   Downloaded piston2d-opengl_graphics v0.70.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a3619235cb653b911b78ed0979e5033cb6f12068f9a8a656701367ee12419b39
[INFO] running `Command { std: "docker" "start" "-a" "a3619235cb653b911b78ed0979e5033cb6f12068f9a8a656701367ee12419b39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3619235cb653b911b78ed0979e5033cb6f12068f9a8a656701367ee12419b39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3619235cb653b911b78ed0979e5033cb6f12068f9a8a656701367ee12419b39", kill_on_drop: false }`
[INFO] [stdout] a3619235cb653b911b78ed0979e5033cb6f12068f9a8a656701367ee12419b39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c1a96705708ba4e54097099adfd92f47814856d937e78eba06de03f2645d14aa
[INFO] running `Command { std: "docker" "start" "-a" "c1a96705708ba4e54097099adfd92f47814856d937e78eba06de03f2645d14aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling xml-rs v0.8.20
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking piston-float v1.0.1
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking piston-viewport v1.0.2
[INFO] [stderr]     Checking vecmath v1.0.0
[INFO] [stderr]     Checking interpolation v0.2.0
[INFO] [stderr]     Checking read_color v1.0.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking piston-graphics_api_version v0.2.0
[INFO] [stderr]     Checking piston-texture v0.8.0
[INFO] [stderr]     Checking piston-shaders_graphics2d v0.3.1
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking m5x7 v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking shader_version v0.6.0
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking piston2d-graphics v0.35.0
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking image v0.22.5
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.70.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.48s
[INFO] running `Command { std: "docker" "inspect" "c1a96705708ba4e54097099adfd92f47814856d937e78eba06de03f2645d14aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1a96705708ba4e54097099adfd92f47814856d937e78eba06de03f2645d14aa", kill_on_drop: false }`
[INFO] [stdout] c1a96705708ba4e54097099adfd92f47814856d937e78eba06de03f2645d14aa
[INFO] checking m5x7-1.0.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate m5x7 1.0.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate m5x7 1.0.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate m5x7 1.0.0
[INFO] finished tweaking crates.io crate m5x7 1.0.0
[INFO] tweaked toml for crates.io crate m5x7 1.0.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 56 packages
[INFO] [stderr]       Adding approx v0.3.2 (latest: v0.5.1)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding deflate v0.7.20 (latest: v1.0.0)
[INFO] [stderr]       Adding gif v0.10.3 (latest: v0.13.1)
[INFO] [stderr]       Adding gl v0.11.0 (latest: v0.14.0)
[INFO] [stderr]       Adding gl_generator v0.10.0 (latest: v0.14.0)
[INFO] [stderr]       Adding image v0.22.5 (latest: v0.25.1)
[INFO] [stderr]       Adding interpolation v0.2.0 (latest: v0.3.0)
[INFO] [stderr]       Adding jpeg-decoder v0.1.22 (latest: v0.3.1)
[INFO] [stderr]       Adding khronos_api v2.2.0 (latest: v3.1.0)
[INFO] [stderr]       Adding num-derive v0.2.5 (latest: v0.4.2)
[INFO] [stderr]       Adding num-rational v0.2.4 (latest: v0.4.1)
[INFO] [stderr]       Adding ordered-float v1.1.1 (latest: v4.2.0)
[INFO] [stderr]       Adding piston-graphics_api_version v0.2.0 (latest: v1.0.1)
[INFO] [stderr]       Adding piston-shaders_graphics2d v0.3.1 (latest: v0.4.0)
[INFO] [stderr]       Adding piston-texture v0.8.0 (latest: v0.9.0)
[INFO] [stderr]       Adding piston2d-graphics v0.35.0 (latest: v0.44.0)
[INFO] [stderr]       Adding piston2d-opengl_graphics v0.70.0 (latest: v0.84.0)
[INFO] [stderr]       Adding png v0.15.3 (latest: v0.17.13)
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (latest: v1.0.79)
[INFO] [stderr]       Adding quote v0.6.13 (latest: v1.0.35)
[INFO] [stderr]       Adding rusttype v0.7.9 (latest: v0.9.3)
[INFO] [stderr]       Adding rusttype v0.8.3 (latest: v0.9.3)
[INFO] [stderr]       Adding shader_version v0.6.0 (latest: v0.7.0)
[INFO] [stderr]       Adding syn v0.15.44 (latest: v2.0.58)
[INFO] [stderr]       Adding tiff v0.3.1 (latest: v0.9.1)
[INFO] [stderr]       Adding unicode-xid v0.1.0 (latest: v0.2.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c421a135334d4ad3c9193918f582d3f97484e83921bfee2b839491cb152dc182
[INFO] running `Command { std: "docker" "start" "-a" "c421a135334d4ad3c9193918f582d3f97484e83921bfee2b839491cb152dc182", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c421a135334d4ad3c9193918f582d3f97484e83921bfee2b839491cb152dc182", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c421a135334d4ad3c9193918f582d3f97484e83921bfee2b839491cb152dc182", kill_on_drop: false }`
[INFO] [stdout] c421a135334d4ad3c9193918f582d3f97484e83921bfee2b839491cb152dc182
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77c9d010d45265681992766db482535d5c1b2a9a783fb5950c662e06fe062586
[INFO] running `Command { std: "docker" "start" "-a" "77c9d010d45265681992766db482535d5c1b2a9a783fb5950c662e06fe062586", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling xml-rs v0.8.20
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking piston-float v1.0.1
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking piston-viewport v1.0.2
[INFO] [stderr]     Checking vecmath v1.0.0
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking interpolation v0.2.0
[INFO] [stderr]     Checking piston-texture v0.8.0
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking read_color v1.0.0
[INFO] [stderr]     Checking piston-graphics_api_version v0.2.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking piston-shaders_graphics2d v0.3.1
[INFO] [stderr]     Checking m5x7 v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking shader_version v0.6.0
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking piston2d-graphics v0.35.0
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking image v0.22.5
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.70.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.65s
[INFO] running `Command { std: "docker" "inspect" "77c9d010d45265681992766db482535d5c1b2a9a783fb5950c662e06fe062586", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77c9d010d45265681992766db482535d5c1b2a9a783fb5950c662e06fe062586", kill_on_drop: false }`
[INFO] [stdout] 77c9d010d45265681992766db482535d5c1b2a9a783fb5950c662e06fe062586