[INFO] fetching crate sm3 0.3.0...
[INFO] checking sm3-0.3.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate sm3 0.3.0 into /workspace/builds/worker-83/source
[INFO] validating manifest of crates.io crate sm3 0.3.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sm3 0.3.0
[INFO] finished tweaking crates.io crate sm3 0.3.0
[INFO] tweaked toml for crates.io crate sm3 0.3.0 written to /workspace/builds/worker-83/source/Cargo.toml
[INFO] crate crates.io crate sm3 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded blobby v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37bb9fbaf2d76f5f544b5791d16bff6eae30869246204d652074200a0ac90edd
[INFO] running `Command { std: "docker" "start" "-a" "37bb9fbaf2d76f5f544b5791d16bff6eae30869246204d652074200a0ac90edd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37bb9fbaf2d76f5f544b5791d16bff6eae30869246204d652074200a0ac90edd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37bb9fbaf2d76f5f544b5791d16bff6eae30869246204d652074200a0ac90edd", kill_on_drop: false }`
[INFO] [stdout] 37bb9fbaf2d76f5f544b5791d16bff6eae30869246204d652074200a0ac90edd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbdb9c7ba5d664ab7dad45b40eb7e39250b4cc0fb53401aa8ac18387a41e825b
[INFO] running `Command { std: "docker" "start" "-a" "bbdb9c7ba5d664ab7dad45b40eb7e39250b4cc0fb53401aa8ac18387a41e825b", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking blobby v0.1.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling hex-literal-impl v0.2.2
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sm3 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/sm3.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sm3` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "bbdb9c7ba5d664ab7dad45b40eb7e39250b4cc0fb53401aa8ac18387a41e825b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbdb9c7ba5d664ab7dad45b40eb7e39250b4cc0fb53401aa8ac18387a41e825b", kill_on_drop: false }`
[INFO] [stdout] bbdb9c7ba5d664ab7dad45b40eb7e39250b4cc0fb53401aa8ac18387a41e825b
