[INFO] fetching crate mosquitto-rs 0.4.0...
[INFO] checking mosquitto-rs-0.4.0 against master#a836d9b6413d9d593be6c09463ff8c4c70e56599 for pr-84037
[INFO] extracting crate mosquitto-rs 0.4.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate mosquitto-rs 0.4.0 on toolchain a836d9b6413d9d593be6c09463ff8c4c70e56599
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mosquitto-rs 0.4.0
[INFO] finished tweaking crates.io crate mosquitto-rs 0.4.0
[INFO] tweaked toml for crates.io crate mosquitto-rs 0.4.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate mosquitto-rs 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "fetch" "--locked" "--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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 47950519954c91c38e1d145d540e75130860a35d661b31b51b56cdc9095f487f
[INFO] running `Command { std: "docker" "start" "-a" "47950519954c91c38e1d145d540e75130860a35d661b31b51b56cdc9095f487f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47950519954c91c38e1d145d540e75130860a35d661b31b51b56cdc9095f487f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47950519954c91c38e1d145d540e75130860a35d661b31b51b56cdc9095f487f", kill_on_drop: false }`
[INFO] [stdout] 47950519954c91c38e1d145d540e75130860a35d661b31b51b56cdc9095f487f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43b5241c2edbaa49ccadb0acd7116f8941f1502c970586c7ea95fd1769f0a32a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "43b5241c2edbaa49ccadb0acd7116f8941f1502c970586c7ea95fd1769f0a32a", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking async-lock v2.3.0
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling libmosquitto-sys v0.2.0
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking async-fs v1.5.0
[INFO] [stderr]     Checking async-process v1.0.1
[INFO] [stderr]     Checking async-net v1.5.0
[INFO] [stderr]     Checking smol v1.2.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking mosquitto-rs v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.93s
[INFO] running `Command { std: "docker" "inspect" "43b5241c2edbaa49ccadb0acd7116f8941f1502c970586c7ea95fd1769f0a32a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43b5241c2edbaa49ccadb0acd7116f8941f1502c970586c7ea95fd1769f0a32a", kill_on_drop: false }`
[INFO] [stdout] 43b5241c2edbaa49ccadb0acd7116f8941f1502c970586c7ea95fd1769f0a32a