[INFO] fetching crate async-nats 0.9.7...
[INFO] checking async-nats-0.9.7 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate async-nats 0.9.7 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate async-nats 0.9.7 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-nats 0.9.7
[INFO] finished tweaking crates.io crate async-nats 0.9.7
[INFO] tweaked toml for crates.io crate async-nats 0.9.7 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate async-nats 0.9.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded base64-url v1.4.8
[INFO] [stderr]   Downloaded rustls-native-certs v0.5.0
[INFO] [stderr]   Downloaded subtle-encoding v0.5.1
[INFO] [stderr]   Downloaded nats v0.9.7
[INFO] [stderr]   Downloaded signatory v0.21.0
[INFO] [stderr]   Downloaded nuid v0.2.2
[INFO] [stderr]   Downloaded nkeys v0.0.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba78177424d8530c7a3603d1ba211e3c5cc67c0f8744444915f37a6fc3a9f711
[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" "ba78177424d8530c7a3603d1ba211e3c5cc67c0f8744444915f37a6fc3a9f711", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba78177424d8530c7a3603d1ba211e3c5cc67c0f8744444915f37a6fc3a9f711", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba78177424d8530c7a3603d1ba211e3c5cc67c0f8744444915f37a6fc3a9f711", kill_on_drop: false }`
[INFO] [stdout] ba78177424d8530c7a3603d1ba211e3c5cc67c0f8744444915f37a6fc3a9f711
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ca25bf6e5e9eed684a20bf1fcfcabfa98616aea559a9c1b74ab7a838971d0d6
[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" "1ca25bf6e5e9eed684a20bf1fcfcabfa98616aea559a9c1b74ab7a838971d0d6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling syn v1.0.63
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]     Checking signature v1.3.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling signal-hook v0.3.6
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking base64-url v1.4.8
[INFO] [stderr]     Checking ed25519 v1.0.3
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking async-fs v1.5.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking nb-connect v1.0.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking async-net v1.5.0
[INFO] [stderr]     Checking async-process v1.0.2
[INFO] [stderr]     Checking smol v1.2.5
[INFO] [stderr]     Checking nuid v0.2.2
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking rustls v0.19.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking rustls-native-certs v0.5.0
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking zeroize v1.2.0
[INFO] [stderr]     Checking curve25519-dalek v3.0.2
[INFO] [stderr]     Checking subtle-encoding v0.5.1
[INFO] [stderr]     Checking signatory v0.21.0
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking nkeys v0.0.11
[INFO] [stderr]     Checking nats v0.9.7
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking async-nats v0.9.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.06s
[INFO] running `Command { std: "docker" "inspect" "1ca25bf6e5e9eed684a20bf1fcfcabfa98616aea559a9c1b74ab7a838971d0d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ca25bf6e5e9eed684a20bf1fcfcabfa98616aea559a9c1b74ab7a838971d0d6", kill_on_drop: false }`
[INFO] [stdout] 1ca25bf6e5e9eed684a20bf1fcfcabfa98616aea559a9c1b74ab7a838971d0d6