[INFO] fetching crate metrohash 1.0.7...
[INFO] checking metrohash-1.0.7 against 1.95.0 for pr-155915
[INFO] extracting crate metrohash 1.0.7 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate metrohash 1.0.7
[INFO] finished tweaking crates.io crate metrohash 1.0.7
[INFO] tweaked toml for crates.io crate metrohash 1.0.7 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate metrohash 1.0.7 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 17 packages to latest compatible versions
[INFO] [stderr]       Adding twox-hash v1.6.3 (available: v2.1.2)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9967fd207a1e243cff43b023df4fbe79d74987effab36f603a2370070c1643ca
[INFO] running `Command { std: "docker" "start" "-a" "9967fd207a1e243cff43b023df4fbe79d74987effab36f603a2370070c1643ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9967fd207a1e243cff43b023df4fbe79d74987effab36f603a2370070c1643ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9967fd207a1e243cff43b023df4fbe79d74987effab36f603a2370070c1643ca", kill_on_drop: false }`
[INFO] [stdout] 9967fd207a1e243cff43b023df4fbe79d74987effab36f603a2370070c1643ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6400877f75caa9e173a5df962c2ecb771c2210af71af897f07f6f2fe05ba8a4e
[INFO] running `Command { std: "docker" "start" "-a" "6400877f75caa9e173a5df962c2ecb771c2210af71af897f07f6f2fe05ba8a4e", kill_on_drop: false }`
[INFO] [stderr]     Checking metrohash v1.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/bench.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(test, feature(test))]
[INFO] [stdout]   |                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `fnv`
[INFO] [stdout]  --> benches/bench.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[cfg(feature = "fnv")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `fnv` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `twox-hash`
[INFO] [stdout]  --> benches/bench.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[cfg(feature = "twox-hash")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `twox-hash` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `fnv`
[INFO] [stdout]    --> benches/bench.rs:115:7
[INFO] [stdout]     |
[INFO] [stdout] 115 | #[cfg(feature = "fnv")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `fnv` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `twox-hash`
[INFO] [stdout]    --> benches/bench.rs:117:7
[INFO] [stdout]     |
[INFO] [stdout] 117 | #[cfg(feature = "twox-hash")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `twox-hash` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `std::hash::SipHasher`: use `std::hash::DefaultHasher` instead
[INFO] [stdout]   --> benches/bench.rs:10:20
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use std::hash::SipHasher;
[INFO] [stdout]    |                    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `std::hash::SipHasher`: use `std::hash::DefaultHasher` instead
[INFO] [stdout]    --> benches/bench.rs:111:22
[INFO] [stdout]     |
[INFO] [stdout] 111 | impl_bench!(std_sip, SipHasher);
[INFO] [stdout]     |                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]   --> benches/bench.rs:25:51
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn hasher_bench_u64<H>(b: &mut test::Bencher, len: usize)
[INFO] [stdout]    |                                                   ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `metrohash` (bench "bench") due to 1 previous error; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "6400877f75caa9e173a5df962c2ecb771c2210af71af897f07f6f2fe05ba8a4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6400877f75caa9e173a5df962c2ecb771c2210af71af897f07f6f2fe05ba8a4e", kill_on_drop: false }`
[INFO] [stdout] 6400877f75caa9e173a5df962c2ecb771c2210af71af897f07f6f2fe05ba8a4e
