[INFO] cloning repository https://github.com/Dragoteryx/flatgrass
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dragoteryx/flatgrass" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDragoteryx%2Fflatgrass", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDragoteryx%2Fflatgrass'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7219f9002899e6de3cc2b82706cda9fc9bc9e2a1
[INFO] checking Dragoteryx/flatgrass against master#04ff05c9c0cfbca33115c5f1b8bb20a66a54b799 for pr-147834
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDragoteryx%2Fflatgrass" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Dragoteryx/flatgrass
[INFO] finished tweaking git repo https://github.com/Dragoteryx/flatgrass
[INFO] tweaked toml for git repo https://github.com/Dragoteryx/flatgrass written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Dragoteryx/flatgrass on toolchain 04ff05c9c0cfbca33115c5f1b8bb20a66a54b799
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Dragoteryx/flatgrass 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" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/Dragoteryx/crtn.git`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a41da5d4a73ad490595ec0e804bce75311add14ea1bddfa8913653543a3f099
[INFO] running `Command { std: "docker" "start" "-a" "4a41da5d4a73ad490595ec0e804bce75311add14ea1bddfa8913653543a3f099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a41da5d4a73ad490595ec0e804bce75311add14ea1bddfa8913653543a3f099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a41da5d4a73ad490595ec0e804bce75311add14ea1bddfa8913653543a3f099", kill_on_drop: false }`
[INFO] [stdout] 4a41da5d4a73ad490595ec0e804bce75311add14ea1bddfa8913653543a3f099
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c2c0281291316e79e08ad3ba8bcbfe240a4b867c83a028f445e3882811c5c57
[INFO] running `Command { std: "docker" "start" "-a" "4c2c0281291316e79e08ad3ba8bcbfe240a4b867c83a028f445e3882811c5c57", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]    Compiling flatgrass-ffi v0.1.0 (/opt/rustwide/workdir/flatgrass-ffi)
[INFO] [stderr]    Compiling flatgrass v0.1.0 (/opt/rustwide/workdir/flatgrass)
[INFO] [stderr]    Compiling flatgrass-macros v0.1.0 (/opt/rustwide/workdir/flatgrass-macros)
[INFO] [stderr]     Checking libloading v0.8.8
[INFO] [stderr]     Checking proc-macro2 v1.0.101
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> flatgrass/src/lib.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(fg_nightly, feature(doc_auto_cfg))]
[INFO] [stdout]   |                                 ^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in CURRENT_RUSTC_VERSION; see <https://github.com/rust-lang/rust/pull/138907> for more information
[INFO] [stdout]   = note: merged into `doc_cfg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> flatgrass/src/lib.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(fg_nightly, feature(doc_auto_cfg))]
[INFO] [stdout]   |                                 ^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in CURRENT_RUSTC_VERSION; see <https://github.com/rust-lang/rust/pull/138907> for more information
[INFO] [stdout]   = note: merged into `doc_cfg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking syn v2.0.106
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flatgrass` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flatgrass` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "4c2c0281291316e79e08ad3ba8bcbfe240a4b867c83a028f445e3882811c5c57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c2c0281291316e79e08ad3ba8bcbfe240a4b867c83a028f445e3882811c5c57", kill_on_drop: false }`
[INFO] [stdout] 4c2c0281291316e79e08ad3ba8bcbfe240a4b867c83a028f445e3882811c5c57
