[INFO] fetching crate flo_render_canvas 0.3.1...
[INFO] checking flo_render_canvas-0.3.1 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate flo_render_canvas 0.3.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate flo_render_canvas 0.3.1 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flo_render_canvas 0.3.1
[INFO] finished tweaking crates.io crate flo_render_canvas 0.3.1
[INFO] tweaked toml for crates.io crate flo_render_canvas 0.3.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate flo_render_canvas 0.3.1 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" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lyon v0.17.10
[INFO] [stderr]   Downloaded lyon_algorithms v0.17.7
[INFO] [stderr]   Downloaded sid v0.6.1
[INFO] [stderr]   Downloaded float_next_after v0.1.5
[INFO] [stderr]   Downloaded lyon_path v0.17.7
[INFO] [stderr]   Downloaded lyon_tessellation v0.17.10
[INFO] [stderr]   Downloaded lyon_geom v0.17.7
[INFO] [stderr]   Downloaded roots v0.0.7
[INFO] [stderr]   Downloaded desync v0.7.2
[INFO] [stderr]   Downloaded flo_curves v0.6.1
[INFO] [stderr]   Downloaded flo_canvas v0.3.1
[INFO] [stderr]   Downloaded flo_render v0.3.1
[INFO] [stderr]   Downloaded rust-hsluv v0.1.4
[INFO] [stderr]   Downloaded flo_stream v0.6.0
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3286497430e22adbf9c60d5c0122a1157885ade2e26b9f78342b760e1facf104
[INFO] running `Command { std: "docker" "start" "-a" "3286497430e22adbf9c60d5c0122a1157885ade2e26b9f78342b760e1facf104", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3286497430e22adbf9c60d5c0122a1157885ade2e26b9f78342b760e1facf104", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3286497430e22adbf9c60d5c0122a1157885ade2e26b9f78342b760e1facf104", kill_on_drop: false }`
[INFO] [stdout] 3286497430e22adbf9c60d5c0122a1157885ade2e26b9f78342b760e1facf104
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1538c8ba06d21560f5090e285bdc6094c43657d772c8d1f73fe641bdaf7107ab
[INFO] running `Command { std: "docker" "start" "-a" "1538c8ba06d21560f5090e285bdc6094c43657d772c8d1f73fe641bdaf7107ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]    Compiling futures-channel v0.3.26
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking futures-sink v0.3.26
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]     Checking futures-io v0.3.26
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling bindgen v0.54.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling serde_derive v1.0.154
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling serde v1.0.154
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.51/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking roots v0.0.7
[INFO] [stderr]     Checking rust-hsluv v0.1.4
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking inflate v0.3.4
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1538c8ba06d21560f5090e285bdc6094c43657d772c8d1f73fe641bdaf7107ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1538c8ba06d21560f5090e285bdc6094c43657d772c8d1f73fe641bdaf7107ab", kill_on_drop: false }`
[INFO] [stdout] 1538c8ba06d21560f5090e285bdc6094c43657d772c8d1f73fe641bdaf7107ab
[INFO] checking flo_render_canvas-0.3.1 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate flo_render_canvas 0.3.1 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate flo_render_canvas 0.3.1 on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flo_render_canvas 0.3.1
[INFO] finished tweaking crates.io crate flo_render_canvas 0.3.1
[INFO] tweaked toml for crates.io crate flo_render_canvas 0.3.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate flo_render_canvas 0.3.1 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" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18bce999274b47e95c35bd0b8e5178f06f5d9c29edc63dcfe6dfb80beb33c6e1
[INFO] running `Command { std: "docker" "start" "-a" "18bce999274b47e95c35bd0b8e5178f06f5d9c29edc63dcfe6dfb80beb33c6e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18bce999274b47e95c35bd0b8e5178f06f5d9c29edc63dcfe6dfb80beb33c6e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18bce999274b47e95c35bd0b8e5178f06f5d9c29edc63dcfe6dfb80beb33c6e1", kill_on_drop: false }`
[INFO] [stdout] 18bce999274b47e95c35bd0b8e5178f06f5d9c29edc63dcfe6dfb80beb33c6e1
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f02908675f38d2652704c9230fd2e102345372300002f37d7be25b96bab64b24
[INFO] running `Command { std: "docker" "start" "-a" "f02908675f38d2652704c9230fd2e102345372300002f37d7be25b96bab64b24", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling futures-channel v0.3.26
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]     Checking futures-sink v0.3.26
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]     Checking futures-io v0.3.26
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling bindgen v0.54.0
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling serde_derive v1.0.154
[INFO] [stderr]    Compiling serde v1.0.154
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.51/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking roots v0.0.7
[INFO] [stderr]     Checking rust-hsluv v0.1.4
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking inflate v0.3.4
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f02908675f38d2652704c9230fd2e102345372300002f37d7be25b96bab64b24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f02908675f38d2652704c9230fd2e102345372300002f37d7be25b96bab64b24", kill_on_drop: false }`
[INFO] [stdout] f02908675f38d2652704c9230fd2e102345372300002f37d7be25b96bab64b24
