[INFO] cloning repository https://github.com/himanoa-sandbox/pulldown_cmark_playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/himanoa-sandbox/pulldown_cmark_playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhimanoa-sandbox%2Fpulldown_cmark_playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhimanoa-sandbox%2Fpulldown_cmark_playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f726a5136937e19a1ca0fd7b56e0f0fba4519d8
[INFO] checking himanoa-sandbox/pulldown_cmark_playground against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhimanoa-sandbox%2Fpulldown_cmark_playground" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/himanoa-sandbox/pulldown_cmark_playground on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/himanoa-sandbox/pulldown_cmark_playground
[INFO] finished tweaking git repo https://github.com/himanoa-sandbox/pulldown_cmark_playground
[INFO] tweaked toml for git repo https://github.com/himanoa-sandbox/pulldown_cmark_playground written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/himanoa-sandbox/pulldown_cmark_playground 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getopts v0.2.18
[INFO] [stderr]   Downloaded pulldown-cmark v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8eb0434a2a7eb4bc2692d88ac92c98057a3d15801b30cbbb00fad1cbee932398
[INFO] running `Command { std: "docker" "start" "-a" "8eb0434a2a7eb4bc2692d88ac92c98057a3d15801b30cbbb00fad1cbee932398", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8eb0434a2a7eb4bc2692d88ac92c98057a3d15801b30cbbb00fad1cbee932398", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eb0434a2a7eb4bc2692d88ac92c98057a3d15801b30cbbb00fad1cbee932398", kill_on_drop: false }`
[INFO] [stdout] 8eb0434a2a7eb4bc2692d88ac92c98057a3d15801b30cbbb00fad1cbee932398
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ff059a2dfa50da7273d900f54be454dd311c080ec0327d120cde4960a4b129c
[INFO] running `Command { std: "docker" "start" "-a" "5ff059a2dfa50da7273d900f54be454dd311c080ec0327d120cde4960a4b129c", kill_on_drop: false }`
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]     Checking getopts v0.2.18
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking pulldown_cmark_playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "5ff059a2dfa50da7273d900f54be454dd311c080ec0327d120cde4960a4b129c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ff059a2dfa50da7273d900f54be454dd311c080ec0327d120cde4960a4b129c", kill_on_drop: false }`
[INFO] [stdout] 5ff059a2dfa50da7273d900f54be454dd311c080ec0327d120cde4960a4b129c
[INFO] checking himanoa-sandbox/pulldown_cmark_playground against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhimanoa-sandbox%2Fpulldown_cmark_playground" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/himanoa-sandbox/pulldown_cmark_playground on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/himanoa-sandbox/pulldown_cmark_playground
[INFO] finished tweaking git repo https://github.com/himanoa-sandbox/pulldown_cmark_playground
[INFO] tweaked toml for git repo https://github.com/himanoa-sandbox/pulldown_cmark_playground written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/himanoa-sandbox/pulldown_cmark_playground 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33ffaae296c804d17cadb749fcc3805f12eb7edc82a2d4a9087e83131aca793b
[INFO] running `Command { std: "docker" "start" "-a" "33ffaae296c804d17cadb749fcc3805f12eb7edc82a2d4a9087e83131aca793b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33ffaae296c804d17cadb749fcc3805f12eb7edc82a2d4a9087e83131aca793b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33ffaae296c804d17cadb749fcc3805f12eb7edc82a2d4a9087e83131aca793b", kill_on_drop: false }`
[INFO] [stdout] 33ffaae296c804d17cadb749fcc3805f12eb7edc82a2d4a9087e83131aca793b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa140f2118d6fa77ef6bcba1d752fbee97c8c789df16f73f5c779df3150ef89a
[INFO] running `Command { std: "docker" "start" "-a" "aa140f2118d6fa77ef6bcba1d752fbee97c8c789df16f73f5c779df3150ef89a", kill_on_drop: false }`
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]     Checking getopts v0.2.18
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pulldown-cmark-0.1.2/src/parse.rs:549:13
[INFO] [stdout]     |
[INFO] [stdout] 549 |             panic!();
[INFO] [stdout]     |             ^^^^^^^^ cannot infer type
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pulldown-cmark` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "aa140f2118d6fa77ef6bcba1d752fbee97c8c789df16f73f5c779df3150ef89a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa140f2118d6fa77ef6bcba1d752fbee97c8c789df16f73f5c779df3150ef89a", kill_on_drop: false }`
[INFO] [stdout] aa140f2118d6fa77ef6bcba1d752fbee97c8c789df16f73f5c779df3150ef89a