[INFO] fetching crate mdbook-quiz-validate 0.2.0... [INFO] checking mdbook-quiz-validate-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate mdbook-quiz-validate 0.2.0 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate mdbook-quiz-validate 0.2.0 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 mdbook-quiz-validate 0.2.0 [INFO] finished tweaking crates.io crate mdbook-quiz-validate 0.2.0 [INFO] tweaked toml for crates.io crate mdbook-quiz-validate 0.2.0 written to /workspace/builds/worker-5-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] Updating crates.io index [INFO] [stderr] Locking 101 packages [INFO] [stderr] Adding hashbrown v0.13.2 (latest: v0.14.3) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.12.1) [INFO] [stderr] Adding linux-raw-sys v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding mdbook-quiz-schema v0.2.0 (latest: v0.3.4) [INFO] [stderr] Adding miette v5.10.0 (latest: v7.2.0) [INFO] [stderr] Adding miette-derive v5.10.0 (latest: v7.2.0) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding owo-colors v3.5.0 (latest: v4.0.0) [INFO] [stderr] Adding supports-color v2.1.0 (latest: v3.0.0) [INFO] [stderr] Adding supports-hyperlinks v2.1.0 (latest: v3.0.0) [INFO] [stderr] Adding supports-unicode v2.1.0 (latest: v3.0.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding sys-locale v0.2.4 (latest: v0.3.1) [INFO] [stderr] Adding terminal_size v0.1.17 (latest: v0.3.0) [INFO] [stderr] Adding textwrap v0.15.2 (latest: v0.16.1) [INFO] [stderr] Adding toml v0.5.11 (latest: v0.8.12) [INFO] [stderr] Adding visibility v0.0.1 (latest: v0.1.0) [INFO] [stderr] Adding windows-sys v0.45.0 (latest: v0.52.0) [INFO] [stderr] Adding windows-targets v0.42.2 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.42.2 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.42.2 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.42.2 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.42.2 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.42.2 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.42.2 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.42.2 (latest: v0.52.4) [INFO] [stderr] Adding zspell v0.3.3 (latest: v0.5.3) [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 unicode-id v0.3.4 [INFO] [stderr] Downloaded mdbook-quiz-schema v0.2.0 [INFO] [stderr] Downloaded stringmetrics v2.2.2 [INFO] [stderr] Downloaded sys-locale v0.2.4 [INFO] [stderr] Downloaded toml-spanned-value v0.1.0 [INFO] [stderr] Downloaded visibility v0.0.1 [INFO] [stderr] Downloaded fluid-let v1.0.0 [INFO] [stderr] Downloaded markdown v1.0.0-alpha.16 [INFO] [stderr] Downloaded zspell v0.3.3 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e7319c6e1598bccc6ed8713f538ca353358e95cb343f215bef4ee8147850c21b [INFO] running `Command { std: "docker" "start" "-a" "e7319c6e1598bccc6ed8713f538ca353358e95cb343f215bef4ee8147850c21b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e7319c6e1598bccc6ed8713f538ca353358e95cb343f215bef4ee8147850c21b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7319c6e1598bccc6ed8713f538ca353358e95cb343f215bef4ee8147850c21b", kill_on_drop: false }` [INFO] [stdout] e7319c6e1598bccc6ed8713f538ca353358e95cb343f215bef4ee8147850c21b [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4c6ed63cffb37638701eec8806d9fccf2963d6b39c4eaf3551684cc612c4fe64 [INFO] running `Command { std: "docker" "start" "-a" "4c6ed63cffb37638701eec8806d9fccf2963d6b39c4eaf3551684cc612c4fe64", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking unicode-linebreak v0.1.5 [INFO] [stderr] Checking smawk v0.3.2 [INFO] [stderr] Compiling ahash v0.8.11 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Checking miniz_oxide v0.7.2 [INFO] [stderr] Compiling rustix v0.38.32 [INFO] [stderr] Checking zerocopy v0.7.32 [INFO] [stderr] Checking unicode-width v0.1.11 [INFO] [stderr] Checking is_ci v1.2.0 [INFO] [stderr] Checking bitflags v2.5.0 [INFO] [stderr] Checking linux-raw-sys v0.4.13 [INFO] [stderr] Compiling zspell v0.3.3 [INFO] [stderr] Checking toml v0.5.11 [INFO] [stderr] Compiling miette-derive v5.10.0 [INFO] [stderr] Checking supports-hyperlinks v2.1.0 [INFO] [stderr] Checking supports-unicode v2.1.0 [INFO] [stderr] Checking terminal_size v0.1.17 [INFO] [stderr] Checking supports-color v2.1.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking stringmetrics v2.2.2 [INFO] [stderr] Checking textwrap v0.15.2 [INFO] [stderr] Checking unicode-segmentation v1.11.0 [INFO] [stderr] Checking sys-locale v0.2.4 [INFO] [stderr] Checking fastrand v2.0.2 [INFO] [stderr] Checking owo-colors v3.5.0 [INFO] [stderr] Checking home v0.5.9 [INFO] [stderr] Checking unicode-id v0.3.4 [INFO] [stderr] Checking textwrap v0.16.1 [INFO] [stderr] Checking mdbook-quiz-schema v0.2.0 [INFO] [stderr] Checking fluid-let v1.0.0 [INFO] [stderr] Checking markdown v1.0.0-alpha.16 [INFO] [stderr] Checking hashbrown v0.13.2 [INFO] [stderr] Checking toml-spanned-value v0.1.0 [INFO] [stderr] Checking tempfile v3.10.1 [INFO] [stderr] Checking backtrace v0.3.71 [INFO] [stderr] Checking backtrace-ext v0.2.1 [INFO] [stderr] Checking miette v5.10.0 [INFO] [stderr] Compiling visibility v0.0.1 [INFO] [stderr] Checking mdbook-quiz-validate v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.33s [INFO] running `Command { std: "docker" "inspect" "4c6ed63cffb37638701eec8806d9fccf2963d6b39c4eaf3551684cc612c4fe64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c6ed63cffb37638701eec8806d9fccf2963d6b39c4eaf3551684cc612c4fe64", kill_on_drop: false }` [INFO] [stdout] 4c6ed63cffb37638701eec8806d9fccf2963d6b39c4eaf3551684cc612c4fe64 [INFO] checking mdbook-quiz-validate-0.2.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate mdbook-quiz-validate 0.2.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate mdbook-quiz-validate 0.2.0 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 mdbook-quiz-validate 0.2.0 [INFO] finished tweaking crates.io crate mdbook-quiz-validate 0.2.0 [INFO] tweaked toml for crates.io crate mdbook-quiz-validate 0.2.0 written to /workspace/builds/worker-5-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 101 packages [INFO] [stderr] Adding hashbrown v0.13.2 (latest: v0.14.3) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.12.1) [INFO] [stderr] Adding linux-raw-sys v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding mdbook-quiz-schema v0.2.0 (latest: v0.3.4) [INFO] [stderr] Adding miette v5.10.0 (latest: v7.2.0) [INFO] [stderr] Adding miette-derive v5.10.0 (latest: v7.2.0) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding owo-colors v3.5.0 (latest: v4.0.0) [INFO] [stderr] Adding supports-color v2.1.0 (latest: v3.0.0) [INFO] [stderr] Adding supports-hyperlinks v2.1.0 (latest: v3.0.0) [INFO] [stderr] Adding supports-unicode v2.1.0 (latest: v3.0.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding sys-locale v0.2.4 (latest: v0.3.1) [INFO] [stderr] Adding terminal_size v0.1.17 (latest: v0.3.0) [INFO] [stderr] Adding textwrap v0.15.2 (latest: v0.16.1) [INFO] [stderr] Adding toml v0.5.11 (latest: v0.8.12) [INFO] [stderr] Adding visibility v0.0.1 (latest: v0.1.0) [INFO] [stderr] Adding windows-sys v0.45.0 (latest: v0.52.0) [INFO] [stderr] Adding windows-targets v0.42.2 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.42.2 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.42.2 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.42.2 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.42.2 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.42.2 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.42.2 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.42.2 (latest: v0.52.4) [INFO] [stderr] Adding zspell v0.3.3 (latest: v0.5.3) [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] [stderr] Blocking waiting for file lock on package cache [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 27416786f82d1c1173ed502ab2c539132167a5cd2607bf12a1d2de313c83500e [INFO] running `Command { std: "docker" "start" "-a" "27416786f82d1c1173ed502ab2c539132167a5cd2607bf12a1d2de313c83500e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "27416786f82d1c1173ed502ab2c539132167a5cd2607bf12a1d2de313c83500e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27416786f82d1c1173ed502ab2c539132167a5cd2607bf12a1d2de313c83500e", kill_on_drop: false }` [INFO] [stdout] 27416786f82d1c1173ed502ab2c539132167a5cd2607bf12a1d2de313c83500e [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] af816f523120070c92ed2a0eab25c66a94941e045f8987af42675c5d256d758a [INFO] running `Command { std: "docker" "start" "-a" "af816f523120070c92ed2a0eab25c66a94941e045f8987af42675c5d256d758a", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking unicode-linebreak v0.1.5 [INFO] [stderr] Checking unicode-width v0.1.11 [INFO] [stderr] Checking zerocopy v0.7.32 [INFO] [stderr] Compiling ahash v0.8.11 [INFO] [stderr] Checking miniz_oxide v0.7.2 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Compiling rustix v0.38.32 [INFO] [stderr] Checking smawk v0.3.2 [INFO] [stderr] Checking bitflags v2.5.0 [INFO] [stderr] Checking is_ci v1.2.0 [INFO] [stderr] Compiling zspell v0.3.3 [INFO] [stderr] Checking linux-raw-sys v0.4.13 [INFO] [stderr] Checking toml v0.5.11 [INFO] [stderr] Checking supports-hyperlinks v2.1.0 [INFO] [stderr] Compiling miette-derive v5.10.0 [INFO] [stderr] Checking supports-unicode v2.1.0 [INFO] [stderr] Checking supports-color v2.1.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking terminal_size v0.1.17 [INFO] [stderr] Checking sys-locale v0.2.4 [INFO] [stderr] Checking owo-colors v3.5.0 [INFO] [stderr] Checking unicode-segmentation v1.11.0 [INFO] [stderr] Checking unicode-id v0.3.4 [INFO] [stderr] Checking fastrand v2.0.2 [INFO] [stderr] Checking stringmetrics v2.2.2 [INFO] [stderr] Checking home v0.5.9 [INFO] [stderr] Checking textwrap v0.15.2 [INFO] [stderr] Checking markdown v1.0.0-alpha.16 [INFO] [stderr] Checking textwrap v0.16.1 [INFO] [stderr] Checking mdbook-quiz-schema v0.2.0 [INFO] [stderr] Checking fluid-let v1.0.0 [INFO] [stderr] Checking hashbrown v0.13.2 [INFO] [stderr] Checking toml-spanned-value v0.1.0 [INFO] [stderr] Checking tempfile v3.10.1 [INFO] [stderr] Checking backtrace v0.3.71 [INFO] [stderr] Checking backtrace-ext v0.2.1 [INFO] [stderr] Checking miette v5.10.0 [INFO] [stderr] Compiling visibility v0.0.1 [INFO] [stderr] Checking mdbook-quiz-validate v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.43s [INFO] running `Command { std: "docker" "inspect" "af816f523120070c92ed2a0eab25c66a94941e045f8987af42675c5d256d758a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "af816f523120070c92ed2a0eab25c66a94941e045f8987af42675c5d256d758a", kill_on_drop: false }` [INFO] [stdout] af816f523120070c92ed2a0eab25c66a94941e045f8987af42675c5d256d758a