[INFO] fetching crate rofi-plugin 0.1.0...
[INFO] testing rofi-plugin-0.1.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate rofi-plugin 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate rofi-plugin 0.1.0
[INFO] finished tweaking crates.io crate rofi-plugin 0.1.0
[INFO] tweaked toml for crates.io crate rofi-plugin 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rofi-plugin 0.1.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 37 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.7.1 (available: v0.11.8)
[INFO] [stderr]       Adding real_c_string v0.1.1 (available: v1.0.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1f6be8ec18b87587e17ecf0a1b4b5a910efc8603e4aca4a7f042e948d0defbe
[INFO] running `Command { std: "docker" "start" "-a" "a1f6be8ec18b87587e17ecf0a1b4b5a910efc8603e4aca4a7f042e948d0defbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1f6be8ec18b87587e17ecf0a1b4b5a910efc8603e4aca4a7f042e948d0defbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1f6be8ec18b87587e17ecf0a1b4b5a910efc8603e4aca4a7f042e948d0defbe", kill_on_drop: false }`
[INFO] [stdout] a1f6be8ec18b87587e17ecf0a1b4b5a910efc8603e4aca4a7f042e948d0defbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 499a1d8f1010e2bb1d815297940191cc57d9e62a3db8c850e746f6524ac6ea52
[INFO] running `Command { std: "docker" "start" "-a" "499a1d8f1010e2bb1d815297940191cc57d9e62a3db8c850e746f6524ac6ea52", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling genawaiter-macro v0.99.1
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling terminated v1.0.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling real_c_string v0.1.1
[INFO] [stderr]    Compiling syn-mid v0.5.4
[INFO] [stderr]    Compiling genawaiter-proc-macro v0.99.1
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling genawaiter v0.99.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling rofi-plugin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generators, generator_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in 1.75.0; see <https://github.com/rust-lang/rust/pull/116958> for more information
[INFO] [stdout]   = note: renamed to `coroutines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `generator_trait`
[INFO] [stdout]  --> src/lib.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generators, generator_trait)]
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0557, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rofi-plugin` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "499a1d8f1010e2bb1d815297940191cc57d9e62a3db8c850e746f6524ac6ea52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "499a1d8f1010e2bb1d815297940191cc57d9e62a3db8c850e746f6524ac6ea52", kill_on_drop: false }`
[INFO] [stdout] 499a1d8f1010e2bb1d815297940191cc57d9e62a3db8c850e746f6524ac6ea52