[INFO] fetching crate tuifw 0.0.5...
[INFO] checking tuifw-0.0.5 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate tuifw 0.0.5 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate tuifw 0.0.5 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tuifw 0.0.5
[INFO] finished tweaking crates.io crate tuifw 0.0.5
[INFO] tweaked toml for crates.io crate tuifw 0.0.5 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate tuifw 0.0.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 48808f6a8a3873f9c76f648310fe452e4663224a90b8054c62685e227ca2435b
[INFO] running `Command { std: "docker" "start" "-a" "48808f6a8a3873f9c76f648310fe452e4663224a90b8054c62685e227ca2435b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48808f6a8a3873f9c76f648310fe452e4663224a90b8054c62685e227ca2435b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48808f6a8a3873f9c76f648310fe452e4663224a90b8054c62685e227ca2435b", kill_on_drop: false }`
[INFO] [stdout] 48808f6a8a3873f9c76f648310fe452e4663224a90b8054c62685e227ca2435b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88d5733f67d64bb3039905627a4c26a0d60a79baa4714a531cdfd6705b068a7d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "88d5733f67d64bb3039905627a4c26a0d60a79baa4714a531cdfd6705b068a7d", kill_on_drop: false }`
[INFO] [stderr]     Checking enum-derive-2018 v1.0.1
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]     Checking tuifw-screen-base v0.8.1
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tuifw-screen-base-0.8.1/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_fn)]
[INFO] [stdout]   |            ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tuifw-screen-base`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "88d5733f67d64bb3039905627a4c26a0d60a79baa4714a531cdfd6705b068a7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88d5733f67d64bb3039905627a4c26a0d60a79baa4714a531cdfd6705b068a7d", kill_on_drop: false }`
[INFO] [stdout] 88d5733f67d64bb3039905627a4c26a0d60a79baa4714a531cdfd6705b068a7d