[INFO] fetching crate eznoise 0.0.2...
[INFO] checking eznoise-0.0.2 against 1.95.0 for pr-155915
[INFO] extracting crate eznoise 0.0.2 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate eznoise 0.0.2
[INFO] finished tweaking crates.io crate eznoise 0.0.2
[INFO] tweaked toml for crates.io crate eznoise 0.0.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate eznoise 0.0.2 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] crate crates.io crate eznoise 0.0.2 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded semver v1.0.23
[INFO] [stderr]   Downloaded cc v1.1.28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e88e8d49f6036379ab21c950dcac6198525ee5aa14b460b6d05cdc01ff8777ff
[INFO] running `Command { std: "docker" "start" "-a" "e88e8d49f6036379ab21c950dcac6198525ee5aa14b460b6d05cdc01ff8777ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e88e8d49f6036379ab21c950dcac6198525ee5aa14b460b6d05cdc01ff8777ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e88e8d49f6036379ab21c950dcac6198525ee5aa14b460b6d05cdc01ff8777ff", kill_on_drop: false }`
[INFO] [stdout] e88e8d49f6036379ab21c950dcac6198525ee5aa14b460b6d05cdc01ff8777ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] a10f7caa8609c86a559d97f1623b6588cdd09e4e29aad6228bcdc62fd5e70385
[INFO] running `Command { std: "docker" "start" "-a" "a10f7caa8609c86a559d97f1623b6588cdd09e4e29aad6228bcdc62fd5e70385", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]     Checking cpufeatures v0.2.14
[INFO] [stderr]    Compiling cc v1.1.28
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking x25519-dalek v2.0.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking eznoise v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(concat_bytes)]
[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 `eznoise` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(concat_bytes)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `eznoise` (lib) due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a10f7caa8609c86a559d97f1623b6588cdd09e4e29aad6228bcdc62fd5e70385", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a10f7caa8609c86a559d97f1623b6588cdd09e4e29aad6228bcdc62fd5e70385", kill_on_drop: false }`
[INFO] [stdout] a10f7caa8609c86a559d97f1623b6588cdd09e4e29aad6228bcdc62fd5e70385
