[INFO] fetching crate hotmic 0.8.2...
[INFO] checking hotmic-0.8.2 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate hotmic 0.8.2 into /workspace/builds/worker-6-tc2/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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate hotmic 0.8.2 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 88 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: v0.11.8)
[INFO] [stderr]       Adding hashbrown v0.1.8 (available: v0.15.5)
[INFO] [stderr]       Adding hdrhistogram v6.3.4 (available: v7.5.4)
[INFO] [stderr]       Adding parking_lot v0.7.1 (available: v0.12.4)
[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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25c6bb806e29a01c35029a4fbde300304331cccf099fc0824ca85d1352b3588e
[INFO] running `Command { std: "docker" "start" "-a" "25c6bb806e29a01c35029a4fbde300304331cccf099fc0824ca85d1352b3588e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25c6bb806e29a01c35029a4fbde300304331cccf099fc0824ca85d1352b3588e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25c6bb806e29a01c35029a4fbde300304331cccf099fc0824ca85d1352b3588e", kill_on_drop: false }`
[INFO] [stdout] 25c6bb806e29a01c35029a4fbde300304331cccf099fc0824ca85d1352b3588e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67da18c59219f96b1fecccad8d26fad006f7dfc46db507f8b7028a45e5e8ded6
[INFO] running `Command { std: "docker" "start" "-a" "67da18c59219f96b1fecccad8d26fad006f7dfc46db507f8b7028a45e5e8ded6", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking adler2 v2.0.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking regex-syntax v0.8.6
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking flate2 v1.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking hdrhistogram v6.3.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking quanta v0.2.0
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking unicode-width v0.2.1
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking getopts v0.2.23
[INFO] [stderr]     Checking regex-automata v0.4.10
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]    Compiling derivative v1.0.4
[INFO] [stderr]     Checking hotmic v0.8.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex v1.11.2
[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 27.06s
[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 1`
[INFO] running `Command { std: "docker" "inspect" "67da18c59219f96b1fecccad8d26fad006f7dfc46db507f8b7028a45e5e8ded6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67da18c59219f96b1fecccad8d26fad006f7dfc46db507f8b7028a45e5e8ded6", kill_on_drop: false }`
[INFO] [stdout] 67da18c59219f96b1fecccad8d26fad006f7dfc46db507f8b7028a45e5e8ded6