[INFO] fetching crate async-nats 0.10.1...
[INFO] checking async-nats-0.10.1 against 1.55.0 for beta-1.56-3
[INFO] extracting crate async-nats 0.10.1 into /workspace/builds/worker-63/source
[INFO] validating manifest of crates.io crate async-nats 0.10.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-nats 0.10.1
[INFO] finished tweaking crates.io crate async-nats 0.10.1
[INFO] tweaked toml for crates.io crate async-nats 0.10.1 written to /workspace/builds/worker-63/source/Cargo.toml
[INFO] crate crates.io crate async-nats 0.10.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nuid v0.3.0
[INFO] [stderr]   Downloaded nkeys v0.1.0
[INFO] [stderr]   Downloaded base64-url v1.4.10
[INFO] [stderr]   Downloaded nats v0.10.1
[INFO] [stderr]   Downloaded signatory v0.21.0
[INFO] [stderr]   Downloaded nkeys v0.0.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a5ea95fa7c9d50f5724e6215f469b7ab257e5ab713ef2bf7d5cedbf0ff19f41
[INFO] running `Command { std: "docker" "start" "-a" "8a5ea95fa7c9d50f5724e6215f469b7ab257e5ab713ef2bf7d5cedbf0ff19f41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a5ea95fa7c9d50f5724e6215f469b7ab257e5ab713ef2bf7d5cedbf0ff19f41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a5ea95fa7c9d50f5724e6215f469b7ab257e5ab713ef2bf7d5cedbf0ff19f41", kill_on_drop: false }`
[INFO] [stdout] 8a5ea95fa7c9d50f5724e6215f469b7ab257e5ab713ef2bf7d5cedbf0ff19f41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dad6b688be5aac0232d1d05454705b7e60419fd8794afaaa153b6566778934e1
[INFO] running `Command { std: "docker" "start" "-a" "dad6b688be5aac0232d1d05454705b7e60419fd8794afaaa153b6566778934e1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking signature v1.3.1
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking cpufeatures v0.1.5
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]     Checking smallvec v1.6.1
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[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking json v0.12.4
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[INFO] [stderr]     Checking base64-url v1.4.10
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking ed25519 v1.1.1
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking getrandom v0.2.3
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[INFO] [stderr]     Checking parking_lot_core v0.8.3
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[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking generic-array v0.14.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking async-fs v1.5.0
[INFO] [stderr]     Checking async-io v1.6.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking async-process v1.1.0
[INFO] [stderr]     Checking async-net v1.6.1
[INFO] [stderr]     Checking smol v1.2.5
[INFO] [stderr]     Checking nuid v0.3.0
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking zeroize v1.4.1
[INFO] [stderr]     Checking curve25519-dalek v3.1.0
[INFO] [stderr]     Checking subtle-encoding v0.5.1
[INFO] [stderr]     Checking signatory v0.21.0
[INFO] [stderr]     Checking structopt v0.3.22
[INFO] [stderr]     Checking rustls-native-certs v0.5.0
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking nkeys v0.1.0
[INFO] [stderr]     Checking nkeys v0.0.11
[INFO] [stderr]     Checking nats v0.10.1
[INFO] [stderr]     Checking async-nats v0.10.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.10s
[INFO] running `Command { std: "docker" "inspect" "dad6b688be5aac0232d1d05454705b7e60419fd8794afaaa153b6566778934e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dad6b688be5aac0232d1d05454705b7e60419fd8794afaaa153b6566778934e1", kill_on_drop: false }`
[INFO] [stdout] dad6b688be5aac0232d1d05454705b7e60419fd8794afaaa153b6566778934e1
