[INFO] fetching crate usvg-cli 0.9.2...
[INFO] checking usvg-cli-0.9.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate usvg-cli 0.9.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate usvg-cli 0.9.2 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 usvg-cli 0.9.2
[INFO] finished tweaking crates.io crate usvg-cli 0.9.2
[INFO] tweaked toml for crates.io crate usvg-cli 0.9.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate usvg-cli 0.9.2 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pico-args v0.2.0
[INFO] [stderr]   Downloaded adler32 v1.1.0
[INFO] [stderr]   Downloaded ttf-parser v0.6.1
[INFO] [stderr]   Downloaded core-graphics v0.19.0
[INFO] [stderr]   Downloaded core-text v15.0.0
[INFO] [stderr]   Downloaded freetype v0.5.1
[INFO] [stderr]   Downloaded kurbo v0.6.1
[INFO] [stderr]   Downloaded base64 v0.12.2
[INFO] [stderr]   Downloaded harfbuzz_rs v1.1.1
[INFO] [stderr]   Downloaded usvg v0.9.1
[INFO] [stderr]   Downloaded xmlparser v0.13.2
[INFO] [stderr]   Downloaded roxmltree v0.11.0
[INFO] [stderr]   Downloaded unicode-script v0.5.1
[INFO] [stderr]   Downloaded freetype-sys v0.11.0
[INFO] [stderr]   Downloaded harfbuzz-sys v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 8960959124ce5de6ab3d72e0930f600920370dfba48268d57a5166847bda2749
[INFO] running `Command { std: "docker" "start" "-a" "8960959124ce5de6ab3d72e0930f600920370dfba48268d57a5166847bda2749", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8960959124ce5de6ab3d72e0930f600920370dfba48268d57a5166847bda2749", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8960959124ce5de6ab3d72e0930f600920370dfba48268d57a5166847bda2749", kill_on_drop: false }`
[INFO] [stdout] 8960959124ce5de6ab3d72e0930f600920370dfba48268d57a5166847bda2749
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 0efcd1b0781a97dc97c19a2cda3f2171243b5f0a62bd0d3daea0672ef456f726
[INFO] running `Command { std: "docker" "start" "-a" "0efcd1b0781a97dc97c19a2cda3f2171243b5f0a62bd0d3daea0672ef456f726", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking adler32 v1.1.0
[INFO] [stderr]     Checking siphasher v0.2.3
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking float-cmp v0.5.3
[INFO] [stderr]     Checking xmlparser v0.13.2
[INFO] [stderr]     Checking xmlwriter v0.1.0
[INFO] [stderr]     Checking base64 v0.12.2
[INFO] [stderr]     Checking unicode-vo v0.1.0
[INFO] [stderr]     Checking rctree v0.3.3
[INFO] [stderr]     Checking unicode-script v0.5.1
[INFO] [stderr]     Checking ttf-parser v0.6.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking data-url v0.1.0
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking pico-args v0.2.0
[INFO] [stderr]     Checking svgtypes v0.5.0
[INFO] [stderr]     Checking kurbo v0.6.1
[INFO] [stderr]     Checking roxmltree v0.11.0
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]     Checking simplecss v0.2.0
[INFO] [stderr]     Checking fern v0.5.8
[INFO] [stderr]    Compiling harfbuzz-sys v0.4.0
[INFO] [stderr]    Compiling freetype-sys v0.11.0
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking freetype v0.5.1
[INFO] [stderr]     Checking harfbuzz_rs v1.1.1
[INFO] [stderr]     Checking usvg v0.9.1
[INFO] [stderr]     Checking usvg-cli v0.9.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.96s
[INFO] running `Command { std: "docker" "inspect" "0efcd1b0781a97dc97c19a2cda3f2171243b5f0a62bd0d3daea0672ef456f726", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0efcd1b0781a97dc97c19a2cda3f2171243b5f0a62bd0d3daea0672ef456f726", kill_on_drop: false }`
[INFO] [stdout] 0efcd1b0781a97dc97c19a2cda3f2171243b5f0a62bd0d3daea0672ef456f726
[INFO] checking usvg-cli-0.9.2 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate usvg-cli 0.9.2 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate usvg-cli 0.9.2 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 crates.io crate usvg-cli 0.9.2
[INFO] finished tweaking crates.io crate usvg-cli 0.9.2
[INFO] tweaked toml for crates.io crate usvg-cli 0.9.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate usvg-cli 0.9.2 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 75feaeb65b91309c49ae9247ccec1d6b2f008ba49d0783d6ff092562f37df522
[INFO] running `Command { std: "docker" "start" "-a" "75feaeb65b91309c49ae9247ccec1d6b2f008ba49d0783d6ff092562f37df522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75feaeb65b91309c49ae9247ccec1d6b2f008ba49d0783d6ff092562f37df522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75feaeb65b91309c49ae9247ccec1d6b2f008ba49d0783d6ff092562f37df522", kill_on_drop: false }`
[INFO] [stdout] 75feaeb65b91309c49ae9247ccec1d6b2f008ba49d0783d6ff092562f37df522
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e866381de8678856afb075cd7a2d1b2e5867bcad8ba4e069bd990c5f6aa78fb5
[INFO] running `Command { std: "docker" "start" "-a" "e866381de8678856afb075cd7a2d1b2e5867bcad8ba4e069bd990c5f6aa78fb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking adler32 v1.1.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking float-cmp v0.5.3
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking xmlparser v0.13.2
[INFO] [stderr]     Checking siphasher v0.2.3
[INFO] [stderr]     Checking unicode-vo v0.1.0
[INFO] [stderr]     Checking base64 v0.12.2
[INFO] [stderr]     Checking unicode-script v0.5.1
[INFO] [stderr]     Checking xmlwriter v0.1.0
[INFO] [stderr]     Checking ttf-parser v0.6.1
[INFO] [stderr]     Checking rctree v0.3.3
[INFO] [stderr]     Checking data-url v0.1.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking pico-args v0.2.0
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking kurbo v0.6.1
[INFO] [stderr]     Checking svgtypes v0.5.0
[INFO] [stderr]     Checking roxmltree v0.11.0
[INFO] [stderr]     Checking simplecss v0.2.0
[INFO] [stderr]     Checking fern v0.5.8
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]    Compiling freetype-sys v0.11.0
[INFO] [stderr]    Compiling harfbuzz-sys v0.4.0
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking freetype v0.5.1
[INFO] [stderr]     Checking harfbuzz_rs v1.1.1
[INFO] [stderr]     Checking usvg v0.9.1
[INFO] [stderr]     Checking usvg-cli v0.9.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.03s
[INFO] running `Command { std: "docker" "inspect" "e866381de8678856afb075cd7a2d1b2e5867bcad8ba4e069bd990c5f6aa78fb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e866381de8678856afb075cd7a2d1b2e5867bcad8ba4e069bd990c5f6aa78fb5", kill_on_drop: false }`
[INFO] [stdout] e866381de8678856afb075cd7a2d1b2e5867bcad8ba4e069bd990c5f6aa78fb5