[INFO] fetching crate rumqttlog 0.7.0...
[INFO] checking rumqttlog-0.7.0 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate rumqttlog 0.7.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate rumqttlog 0.7.0 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rumqttlog 0.7.0
[INFO] finished tweaking crates.io crate rumqttlog 0.7.0
[INFO] tweaked toml for crates.io crate rumqttlog 0.7.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b2a7e3c6ff047b3c9ba6731eb133458ea5d9f4e2e876e2230652af8a48bd924
[INFO] running `Command { std: "docker" "start" "-a" "5b2a7e3c6ff047b3c9ba6731eb133458ea5d9f4e2e876e2230652af8a48bd924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b2a7e3c6ff047b3c9ba6731eb133458ea5d9f4e2e876e2230652af8a48bd924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b2a7e3c6ff047b3c9ba6731eb133458ea5d9f4e2e876e2230652af8a48bd924", kill_on_drop: false }`
[INFO] [stdout] 5b2a7e3c6ff047b3c9ba6731eb133458ea5d9f4e2e876e2230652af8a48bd924
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a88cab50d4b26ae14f4b4f9d9130d3b5d4d6bb44363e42f328958100b762513
[INFO] running `Command { std: "docker" "start" "-a" "2a88cab50d4b26ae14f4b4f9d9130d3b5d4d6bb44363e42f328958100b762513", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling cpp_demangle v0.3.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling symbolic-demangle v8.3.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling argh_shared v0.1.5
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking byteorder v1.4.3
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[INFO] [stderr]     Checking rgb v0.8.27
[INFO] [stderr]     Checking mqttbytes v0.4.0
[INFO] [stderr]     Checking instant v0.1.10
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[INFO] [stderr]     Checking lock_api v0.4.4
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[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]    Compiling which v4.1.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking symbolic-common v8.3.0
[INFO] [stderr]     Checking rand_core v0.6.3
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[INFO] [stderr]     Checking parking_lot v0.11.1
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[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling ahash v0.6.3
[INFO] [stderr]    Compiling prost-build v0.7.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking quick-xml v0.20.0
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking inferno v0.10.6
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking addr2line v0.15.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling argh_derive v0.1.5
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking argh v0.1.5
[INFO] [stderr]     Checking prost v0.6.1
[INFO] [stderr]    Compiling prost v0.7.0
[INFO] [stderr]    Compiling prost-types v0.7.0
[INFO] [stderr]    Compiling pprof v0.3.22
[INFO] [stderr]     Checking rumqttlog v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `last_failed`
[INFO] [stdout]   --> src/router/connection.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     last_failed: Option<Notification>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `last_failed`
[INFO] [stdout]   --> src/router/connection.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     last_failed: Option<Notification>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.71s
[INFO] running `Command { std: "docker" "inspect" "2a88cab50d4b26ae14f4b4f9d9130d3b5d4d6bb44363e42f328958100b762513", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a88cab50d4b26ae14f4b4f9d9130d3b5d4d6bb44363e42f328958100b762513", kill_on_drop: false }`
[INFO] [stdout] 2a88cab50d4b26ae14f4b4f9d9130d3b5d4d6bb44363e42f328958100b762513