[INFO] fetching crate fss-rs 0.6.0...
[INFO] checking fss-rs-0.6.0 against 1.95.0 for pr-155915
[INFO] extracting crate fss-rs 0.6.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate fss-rs 0.6.0
[INFO] finished tweaking crates.io crate fss-rs 0.6.0
[INFO] tweaked toml for crates.io crate fss-rs 0.6.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fss-rs 0.6.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "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" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 91 packages to latest compatible versions
[INFO] [stderr]       Adding aes v0.8.4 (available: v0.9.0)
[INFO] [stderr]       Adding criterion v0.5.1 (available: v0.8.2)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[INFO] [stderr]       Adding wide v0.7.33 (available: v1.4.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arbtest v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f73262b46bcb5e203578c291d0df96b1dd6003529752ef4fae77e9c6d41db79
[INFO] running `Command { std: "docker" "start" "-a" "8f73262b46bcb5e203578c291d0df96b1dd6003529752ef4fae77e9c6d41db79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f73262b46bcb5e203578c291d0df96b1dd6003529752ef4fae77e9c6d41db79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f73262b46bcb5e203578c291d0df96b1dd6003529752ef4fae77e9c6d41db79", kill_on_drop: false }`
[INFO] [stdout] 8f73262b46bcb5e203578c291d0df96b1dd6003529752ef4fae77e9c6d41db79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4fa6b60baf98aa000cc322f8642d89083557ac1cbcf0d7f5e5d2866bb61d3fc
[INFO] running `Command { std: "docker" "start" "-a" "d4fa6b60baf98aa000cc322f8642d89083557ac1cbcf0d7f5e5d2866bb61d3fc", kill_on_drop: false }`
[INFO] [stderr]     Checking arbitrary v1.4.2
[INFO] [stderr]     Checking inout v0.1.4
[INFO] [stderr]     Checking crypto-common v0.1.7
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking arbtest v0.3.2
[INFO] [stderr]     Checking rand v0.8.6
[INFO] [stderr]     Checking fss-rs v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:6:38
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![cfg_attr(not(feature = "stable"), feature(portable_simd))]
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fss-rs` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d4fa6b60baf98aa000cc322f8642d89083557ac1cbcf0d7f5e5d2866bb61d3fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4fa6b60baf98aa000cc322f8642d89083557ac1cbcf0d7f5e5d2866bb61d3fc", kill_on_drop: false }`
[INFO] [stdout] d4fa6b60baf98aa000cc322f8642d89083557ac1cbcf0d7f5e5d2866bb61d3fc
