[INFO] fetching crate hotmic 0.8.2...
[INFO] checking hotmic-0.8.2 against master#dc375db7d8df0aa450e622c529147c95eee756f5 for pr-156749
[INFO] extracting crate hotmic 0.8.2 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate hotmic 0.8.2
[INFO] finished tweaking crates.io crate hotmic 0.8.2
[INFO] tweaked toml for crates.io crate hotmic 0.8.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate hotmic 0.8.2 on toolchain dc375db7d8df0aa450e622c529147c95eee756f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dc375db7d8df0aa450e622c529147c95eee756f5" "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" "+dc375db7d8df0aa450e622c529147c95eee756f5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 81 packages to latest compatible versions
[INFO] [stderr]       Adding crossbeam-channel v0.3.9 (available: v0.5.15)
[INFO] [stderr]       Adding derivative v1.0.4 (available: v2.2.0)
[INFO] [stderr]       Adding env_logger v0.6.2 (available: v0.11.10)
[INFO] [stderr]       Adding hashbrown v0.1.8 (available: v0.17.1)
[INFO] [stderr]       Adding hdrhistogram v6.3.4 (available: v7.5.4)
[INFO] [stderr]       Adding parking_lot v0.7.1 (available: v0.12.5)
[INFO] [stderr]       Adding quanta v0.2.0 (available: v0.12.6)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dc375db7d8df0aa450e622c529147c95eee756f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-channel v0.3.9
[INFO] [stderr]   Downloaded hdrhistogram v6.3.4
[INFO] [stderr]   Downloaded quanta v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 8bb8c045aa4e7c209ddd3e2d9a991e1932dd7b877f49c6272ed82128ed084882
[INFO] running `Command { std: "docker" "start" "8bb8c045aa4e7c209ddd3e2d9a991e1932dd7b877f49c6272ed82128ed084882", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8bb8c045aa4e7c209ddd3e2d9a991e1932dd7b877f49c6272ed82128ed084882" "/opt/rustwide/cargo-home/bin/cargo" "+dc375db7d8df0aa450e622c529147c95eee756f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bb8c045aa4e7c209ddd3e2d9a991e1932dd7b877f49c6272ed82128ed084882", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8bb8c045aa4e7c209ddd3e2d9a991e1932dd7b877f49c6272ed82128ed084882" "/opt/rustwide/cargo-home/bin/cargo" "+dc375db7d8df0aa450e622c529147c95eee756f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.8.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking simd-adler32 v0.3.9
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking regex-syntax v0.8.11
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking quanta v0.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking getopts v0.2.24
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking flate2 v1.1.9
[INFO] [stderr]     Checking hdrhistogram v6.3.4
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking hotmic v0.8.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex v1.12.4
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/data/counter.rs:33:27
[INFO] [stdout]    |
[INFO] [stdout] 33 |         counter.update(key.clone(), 42);
[INFO] [stdout]    |                           ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.36s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: hdrhistogram v6.3.4, nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "8bb8c045aa4e7c209ddd3e2d9a991e1932dd7b877f49c6272ed82128ed084882", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bb8c045aa4e7c209ddd3e2d9a991e1932dd7b877f49c6272ed82128ed084882", kill_on_drop: false }`
[INFO] [stdout] 8bb8c045aa4e7c209ddd3e2d9a991e1932dd7b877f49c6272ed82128ed084882
