[INFO] fetching crate qr-gen 1.0.1...
[INFO] checking qr-gen-1.0.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate qr-gen 1.0.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate qr-gen 1.0.1 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 qr-gen 1.0.1
[INFO] finished tweaking crates.io crate qr-gen 1.0.1
[INFO] tweaked toml for crates.io crate qr-gen 1.0.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate qr-gen 1.0.1 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 float-cmp v0.5.3
[INFO] [stderr]   Downloaded svgtypes v0.5.0
[INFO] [stderr]   Downloaded simplecss v0.2.0
[INFO] [stderr]   Downloaded unicode-script v0.5.2
[INFO] [stderr]   Downloaded qrcodegen v1.6.0
[INFO] [stderr]   Downloaded rgb v0.8.25
[INFO] [stderr]   Downloaded wide v0.6.4
[INFO] [stderr]   Downloaded ttf-parser v0.9.0
[INFO] [stderr]   Downloaded tiny-skia v0.3.0
[INFO] [stderr]   Downloaded usvg v0.13.0
[INFO] [stderr]   Downloaded flate2 v1.0.19
[INFO] [stderr]   Downloaded kurbo v0.7.1
[INFO] [stderr]   Downloaded roxmltree v0.13.1
[INFO] [stderr]   Downloaded rustybuzz v0.3.0
[INFO] [stderr]   Downloaded svgfilters v0.2.0
[INFO] [stderr]   Downloaded data-url v0.1.0
[INFO] [stderr]   Downloaded fontdb v0.5.1
[INFO] [stderr]   Downloaded memmap2 v0.1.0
[INFO] [stderr]   Downloaded rctree v0.3.3
[INFO] [stderr]   Downloaded bytemuck v1.4.1
[INFO] [stderr]   Downloaded unicode-ccc v0.1.0
[INFO] [stderr]   Downloaded unicode-general-category v0.2.0
[INFO] [stderr]   Downloaded resvg v0.13.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f9fda1995a0fd3a98ee5f3b8f94e3e2743e6b17bd2637970f9777e47b834fff
[INFO] running `Command { std: "docker" "start" "-a" "5f9fda1995a0fd3a98ee5f3b8f94e3e2743e6b17bd2637970f9777e47b834fff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f9fda1995a0fd3a98ee5f3b8f94e3e2743e6b17bd2637970f9777e47b834fff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f9fda1995a0fd3a98ee5f3b8f94e3e2743e6b17bd2637970f9777e47b834fff", kill_on_drop: false }`
[INFO] [stdout] 5f9fda1995a0fd3a98ee5f3b8f94e3e2743e6b17bd2637970f9777e47b834fff
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c8bfb658d7404a6b5ca039a74956e7c038d4c8a0794286f02b7a327062c0c08
[INFO] running `Command { std: "docker" "start" "-a" "4c8bfb658d7404a6b5ca039a74956e7c038d4c8a0794286f02b7a327062c0c08", kill_on_drop: false }`
[INFO] [stderr]     Checking bytemuck v1.4.1
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling unicode-general-category v0.2.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking ttf-parser v0.9.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking float-cmp v0.5.3
[INFO] [stderr]     Checking unicode-bidi-mirroring v0.1.0
[INFO] [stderr]     Checking unicode-script v0.5.2
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking xmlparser v0.13.3
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking siphasher v0.2.3
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking unicode-ccc v0.1.0
[INFO] [stderr]     Checking data-url v0.1.0
[INFO] [stderr]     Checking svgtypes v0.5.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking safe_arch v0.5.2
[INFO] [stderr]     Checking kurbo v0.7.1
[INFO] [stderr]     Checking rgb v0.8.25
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking rctree v0.3.3
[INFO] [stderr]     Checking simplecss v0.2.0
[INFO] [stderr]     Checking pico-args v0.3.4
[INFO] [stderr]     Checking xmlwriter v0.1.0
[INFO] [stderr]     Checking unicode-vo v0.1.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking qrcodegen v1.6.0
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking svgfilters v0.2.0
[INFO] [stderr]     Checking roxmltree v0.13.1
[INFO] [stderr]     Checking wide v0.6.4
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking fontdb v0.5.1
[INFO] [stderr]     Checking rustybuzz v0.3.0
[INFO] [stderr]     Checking tiny-skia v0.3.0
[INFO] [stderr]     Checking usvg v0.13.0
[INFO] [stderr]     Checking resvg v0.13.0
[INFO] [stderr]     Checking qr-gen v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.64s
[INFO] running `Command { std: "docker" "inspect" "4c8bfb658d7404a6b5ca039a74956e7c038d4c8a0794286f02b7a327062c0c08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c8bfb658d7404a6b5ca039a74956e7c038d4c8a0794286f02b7a327062c0c08", kill_on_drop: false }`
[INFO] [stdout] 4c8bfb658d7404a6b5ca039a74956e7c038d4c8a0794286f02b7a327062c0c08
[INFO] checking qr-gen-1.0.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate qr-gen 1.0.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate qr-gen 1.0.1 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 qr-gen 1.0.1
[INFO] finished tweaking crates.io crate qr-gen 1.0.1
[INFO] tweaked toml for crates.io crate qr-gen 1.0.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate qr-gen 1.0.1 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3668d75b7edeb20cced074cd410425794c1f225442e400ef1b522b8c46d22ad1
[INFO] running `Command { std: "docker" "start" "-a" "3668d75b7edeb20cced074cd410425794c1f225442e400ef1b522b8c46d22ad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3668d75b7edeb20cced074cd410425794c1f225442e400ef1b522b8c46d22ad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3668d75b7edeb20cced074cd410425794c1f225442e400ef1b522b8c46d22ad1", kill_on_drop: false }`
[INFO] [stdout] 3668d75b7edeb20cced074cd410425794c1f225442e400ef1b522b8c46d22ad1
[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" "-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] 3d5b791f7d29a5099b278e57f8ead39fcb6c995132ed01f32b0633c8d3353843
[INFO] running `Command { std: "docker" "start" "-a" "3d5b791f7d29a5099b278e57f8ead39fcb6c995132ed01f32b0633c8d3353843", kill_on_drop: false }`
[INFO] [stderr]     Checking bytemuck v1.4.1
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]    Compiling unicode-general-category v0.2.0
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking float-cmp v0.5.3
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking ttf-parser v0.9.0
[INFO] [stderr]     Checking xmlparser v0.13.3
[INFO] [stderr]     Checking siphasher v0.2.3
[INFO] [stderr]     Checking unicode-bidi-mirroring v0.1.0
[INFO] [stderr]     Checking unicode-script v0.5.2
[INFO] [stderr]     Checking unicode-ccc v0.1.0
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking safe_arch v0.5.2
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking svgtypes v0.5.0
[INFO] [stderr]     Checking rgb v0.8.25
[INFO] [stderr]     Checking kurbo v0.7.1
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking roxmltree v0.13.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking data-url v0.1.0
[INFO] [stderr]     Checking pico-args v0.3.4
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking wide v0.6.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking rctree v0.3.3
[INFO] [stderr]     Checking simplecss v0.2.0
[INFO] [stderr]     Checking xmlwriter v0.1.0
[INFO] [stderr]     Checking unicode-vo v0.1.0
[INFO] [stderr]     Checking svgfilters v0.2.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking qrcodegen v1.6.0
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]     Checking fontdb v0.5.1
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking rustybuzz v0.3.0
[INFO] [stderr]     Checking tiny-skia v0.3.0
[INFO] [stderr]     Checking usvg v0.13.0
[INFO] [stderr]     Checking resvg v0.13.0
[INFO] [stderr]     Checking qr-gen v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.36s
[INFO] running `Command { std: "docker" "inspect" "3d5b791f7d29a5099b278e57f8ead39fcb6c995132ed01f32b0633c8d3353843", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d5b791f7d29a5099b278e57f8ead39fcb6c995132ed01f32b0633c8d3353843", kill_on_drop: false }`
[INFO] [stdout] 3d5b791f7d29a5099b278e57f8ead39fcb6c995132ed01f32b0633c8d3353843