[INFO] fetching crate hopscotch 0.1.1...
[INFO] checking hopscotch-0.1.1 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate hopscotch 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate hopscotch 0.1.1 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hopscotch 0.1.1
[INFO] finished tweaking crates.io crate hopscotch 0.1.1
[INFO] tweaked toml for crates.io crate hopscotch 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate hopscotch 0.1.1 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 662a829b243b8d9f3a67eb85c39adefcdda7ada158f7288eea56c301506453f0
[INFO] running `Command { std: "docker" "start" "-a" "662a829b243b8d9f3a67eb85c39adefcdda7ada158f7288eea56c301506453f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "662a829b243b8d9f3a67eb85c39adefcdda7ada158f7288eea56c301506453f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "662a829b243b8d9f3a67eb85c39adefcdda7ada158f7288eea56c301506453f0", kill_on_drop: false }`
[INFO] [stdout] 662a829b243b8d9f3a67eb85c39adefcdda7ada158f7288eea56c301506453f0
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e1691dfb301ff61af382de1dd04ed245a97ccda2d7362b752f7bbfd2776cbd6
[INFO] running `Command { std: "docker" "start" "-a" "5e1691dfb301ff61af382de1dd04ed245a97ccda2d7362b752f7bbfd2776cbd6", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `ArcK`
[INFO] [stdout]  --> benches/2d.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use hopscotch::{ArcK, Queue};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `const_int_pow` has been stable since 1.50.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> benches/2d.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_int_pow)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> examples/pubsub.rs:38:3
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[structopt(name = "pubsub")]
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout] 39 | #[derive(StructOpt, Copy, Clone, Debug)]
[INFO] [stdout]    |          --------- the attribute is introduced here
[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]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout]    = note: `#[warn(legacy_derive_helpers)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.34s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "5e1691dfb301ff61af382de1dd04ed245a97ccda2d7362b752f7bbfd2776cbd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e1691dfb301ff61af382de1dd04ed245a97ccda2d7362b752f7bbfd2776cbd6", kill_on_drop: false }`
[INFO] [stdout] 5e1691dfb301ff61af382de1dd04ed245a97ccda2d7362b752f7bbfd2776cbd6