[INFO] fetching crate donut 0.1.0...
[INFO] checking donut-0.1.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate donut 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate donut 0.1.0 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate donut 0.1.0
[INFO] finished tweaking crates.io crate donut 0.1.0
[INFO] tweaked toml for crates.io crate donut 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate donut 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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] 80365f31e59dfdface6e2e2e335ea75a4cc71557e01494321b63a124b5f9a27f
[INFO] running `Command { std: "docker" "start" "-a" "80365f31e59dfdface6e2e2e335ea75a4cc71557e01494321b63a124b5f9a27f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80365f31e59dfdface6e2e2e335ea75a4cc71557e01494321b63a124b5f9a27f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80365f31e59dfdface6e2e2e335ea75a4cc71557e01494321b63a124b5f9a27f", kill_on_drop: false }`
[INFO] [stdout] 80365f31e59dfdface6e2e2e335ea75a4cc71557e01494321b63a124b5f9a27f
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] c14d54258027a96b7a436038a63abd140f60596bfa948c4e8d14d07bef1aff38
[INFO] running `Command { std: "docker" "start" "-a" "c14d54258027a96b7a436038a63abd140f60596bfa948c4e8d14d07bef1aff38", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]     Checking bytes v0.5.3
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking arc-swap v0.4.4
[INFO] [stderr]     Checking pin-project-lite v0.1.2
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking smallvec v1.1.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.13
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking data-encoding v2.1.2
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling indexmap v1.3.1
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking tracing-core v0.1.9
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unicode-normalization v0.1.11
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]     Checking backtrace v0.3.42
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]     Checking regex v1.3.3
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking tracing-subscriber v0.1.6
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.3
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]    Compiling enum-as-inner v0.3.0
[INFO] [stderr]    Compiling async-trait v0.1.22
[INFO] [stderr]    Compiling tracing-attributes v0.1.6
[INFO] [stderr]     Checking tokio v0.2.9
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking tracing v0.1.12
[INFO] [stderr]     Checking pin-project v0.4.6
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking trust-dns-proto v0.18.1
[INFO] [stderr]     Checking hyper v0.13.1
[INFO] [stderr]     Checking trust-dns-client v0.18.1
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking donut v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `Command { std: "docker" "inspect" "c14d54258027a96b7a436038a63abd140f60596bfa948c4e8d14d07bef1aff38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c14d54258027a96b7a436038a63abd140f60596bfa948c4e8d14d07bef1aff38", kill_on_drop: false }`
[INFO] [stdout] c14d54258027a96b7a436038a63abd140f60596bfa948c4e8d14d07bef1aff38