[INFO] fetching crate pi_file 0.4.0...
[INFO] testing pi_file-0.4.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate pi_file 0.4.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate pi_file 0.4.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate pi_file 0.4.0
[INFO] tweaked toml for crates.io crate pi_file 0.4.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pi_file 0.4.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pi_file 0.4.0 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hazard v0.3.1
[INFO] [stderr]   Downloaded notify v4.0.18
[INFO] [stderr]   Downloaded npnc v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 1bd84d678ef88a05882c3afa00f11726f49218795e3e96298dd4493618e61319
[INFO] running `Command { std: "docker" "start" "1bd84d678ef88a05882c3afa00f11726f49218795e3e96298dd4493618e61319", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bd84d678ef88a05882c3afa00f11726f49218795e3e96298dd4493618e61319", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1bd84d678ef88a05882c3afa00f11726f49218795e3e96298dd4493618e61319" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bd84d678ef88a05882c3afa00f11726f49218795e3e96298dd4493618e61319", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1bd84d678ef88a05882c3afa00f11726f49218795e3e96298dd4493618e61319" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.52
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling bytes v1.12.0
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling pi_null v0.1.12
[INFO] [stderr]    Compiling filetime v0.2.29
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]    Compiling hazard v0.3.1
[INFO] [stderr]    Compiling npnc v0.2.1
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling pi_share v0.6.0
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pi_share-0.6.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(dispatch_from_dyn)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pi_share` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1bd84d678ef88a05882c3afa00f11726f49218795e3e96298dd4493618e61319", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bd84d678ef88a05882c3afa00f11726f49218795e3e96298dd4493618e61319", kill_on_drop: false }`
[INFO] [stdout] 1bd84d678ef88a05882c3afa00f11726f49218795e3e96298dd4493618e61319
