[INFO] fetching crate net_ensembles 0.4.0...
[INFO] checking net_ensembles-0.4.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate net_ensembles 0.4.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate net_ensembles 0.4.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate net_ensembles 0.4.0
[INFO] finished tweaking crates.io crate net_ensembles 0.4.0
[INFO] tweaked toml for crates.io crate net_ensembles 0.4.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cast v0.2.7
[INFO] [stderr]   Downloaded semver v1.0.3
[INFO] [stderr]   Downloaded plotters-backend v0.3.2
[INFO] [stderr]   Downloaded plotters-svg v0.3.1
[INFO] [stderr]   Downloaded rand_pcg v0.2.1
[INFO] [stderr]   Downloaded rustc_version v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1211acb2429d6295b29ddb2206b08ad3bce62bc52e3c2ae45fbc990899ef9b0
[INFO] running `Command { std: "docker" "start" "-a" "e1211acb2429d6295b29ddb2206b08ad3bce62bc52e3c2ae45fbc990899ef9b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1211acb2429d6295b29ddb2206b08ad3bce62bc52e3c2ae45fbc990899ef9b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1211acb2429d6295b29ddb2206b08ad3bce62bc52e3c2ae45fbc990899ef9b0", kill_on_drop: false }`
[INFO] [stdout] e1211acb2429d6295b29ddb2206b08ad3bce62bc52e3c2ae45fbc990899ef9b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a13c2f2563a72eda7e4a733789f9b0a06e1567af96cee8a9a16512b9510cbee6
[INFO] running `Command { std: "docker" "start" "-a" "a13c2f2563a72eda7e4a733789f9b0a06e1567af96cee8a9a16512b9510cbee6", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling semver v1.0.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking net_ensembles v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: attribute should be applied to a function
[INFO] [stdout]    --> src/sampling/traits.rs:188:17
[INFO] [stdout]     |
[INFO] [stdout] 188 |                 #[cold]
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout] 189 |                 return MetropolisState::new(stepsize, steps, m_beta, rng, current_energy, i + 1);
[INFO] [stdout]     |                 -------------------------------------------------------------------------------- not a function
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:277:23
[INFO] [stdout]     |
[INFO] [stdout] 277 | #![deny(missing_docs, warnings)]
[INFO] [stdout]     |                       ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(unused_attributes)]` implied by `#[deny(warnings)]`
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: attribute should be applied to a function
[INFO] [stdout]    --> src/sampling/traits.rs:342:17
[INFO] [stdout]     |
[INFO] [stdout] 342 |                 #[cold]
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout] 343 |                 return MetropolisState::new(stepsize, steps, m_beta, rng, current_energy, i + 1);
[INFO] [stdout]     |                 -------------------------------------------------------------------------------- not a function
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `net_ensembles` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a13c2f2563a72eda7e4a733789f9b0a06e1567af96cee8a9a16512b9510cbee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a13c2f2563a72eda7e4a733789f9b0a06e1567af96cee8a9a16512b9510cbee6", kill_on_drop: false }`
[INFO] [stdout] a13c2f2563a72eda7e4a733789f9b0a06e1567af96cee8a9a16512b9510cbee6