[INFO] fetching crate celery 0.4.0-rc4...
[INFO] checking celery-0.4.0-rc4 against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015
[INFO] extracting crate celery 0.4.0-rc4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate celery 0.4.0-rc4 on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate celery 0.4.0-rc4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate celery 0.4.0-rc4
[INFO] tweaked toml for crates.io crate celery 0.4.0-rc4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate celery 0.4.0-rc4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44e9fab3bf263dd57a5a647139d94e6d3a0d39084f584648f9e0c557272bf0f5
[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" "44e9fab3bf263dd57a5a647139d94e6d3a0d39084f584648f9e0c557272bf0f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44e9fab3bf263dd57a5a647139d94e6d3a0d39084f584648f9e0c557272bf0f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44e9fab3bf263dd57a5a647139d94e6d3a0d39084f584648f9e0c557272bf0f5", kill_on_drop: false }`
[INFO] [stdout] 44e9fab3bf263dd57a5a647139d94e6d3a0d39084f584648f9e0c557272bf0f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 605b7570a02f2fa3c459b869a1d505f5bb16dc771353662ea1fad77fa6ee0ae3
[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" "605b7570a02f2fa3c459b869a1d505f5bb16dc771353662ea1fad77fa6ee0ae3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking tracing-core v0.1.16
[INFO] [stderr]    Compiling amq-protocol v6.0.0-rc12
[INFO] [stderr]     Checking cookie-factory v0.3.1
[INFO] [stderr]    Compiling lapin v1.2.3
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking iter-read v0.2.1
[INFO] [stderr]    Compiling nom v6.0.0-alpha1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking mio v0.7.0
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rmp v0.8.9
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking pem v0.8.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking pinky-swear v4.2.3
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking amq-protocol-uri v6.0.0-rc12
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking tcp-stream v0.20.3
[INFO] [stderr]     Checking amq-protocol-tcp v6.0.0-rc12
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling async-trait v0.1.40
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]    Compiling celery-codegen v0.4.0-rc4
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking structopt v0.3.17
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking serde v1.0.116
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking rmp-serde v0.14.4
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking serde-pickle v0.6.1
[INFO] [stderr]     Checking rmpv v0.4.5
[INFO] [stderr]     Checking amq-protocol-types v6.0.0-rc12
[INFO] [stderr]     Checking celery v0.4.0-rc4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 52s
[INFO] running `Command { std: "docker" "inspect" "605b7570a02f2fa3c459b869a1d505f5bb16dc771353662ea1fad77fa6ee0ae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "605b7570a02f2fa3c459b869a1d505f5bb16dc771353662ea1fad77fa6ee0ae3", kill_on_drop: false }`
[INFO] [stdout] 605b7570a02f2fa3c459b869a1d505f5bb16dc771353662ea1fad77fa6ee0ae3