[INFO] fetching crate privsep 0.0.2...
[INFO] checking privsep-0.0.2 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate privsep 0.0.2 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate privsep 0.0.2 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate privsep 0.0.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate privsep 0.0.2
[INFO] tweaked toml for crates.io crate privsep 0.0.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate privsep 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded instant v0.1.10
[INFO] [stderr]   Downloaded privsep-log v0.0.1
[INFO] [stderr]   Downloaded privsep-derive v0.0.1
[INFO] [stderr]   Downloaded slog-scope v4.4.0
[INFO] [stderr]   Downloaded zerocopy v0.6.0
[INFO] [stderr]   Downloaded slog-stdlog v4.1.0
[INFO] [stderr]   Downloaded arrayvec v0.7.1
[INFO] [stderr]   Downloaded derive_more v0.99.16
[INFO] [stderr]   Downloaded arc-swap v1.4.0
[INFO] [stderr]   Downloaded close_fds v0.3.2
[INFO] [stderr]   Downloaded synstructure v0.12.5
[INFO] [stderr]   Downloaded nix v0.22.1
[INFO] [stderr]   Downloaded zerocopy-derive v0.3.0
[INFO] [stderr]   Downloaded tokio v1.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81d866c2aeaefc7b30917b50614511f3502f06ccd60d1eae45ffda7ddc382ba8
[INFO] running `Command { std: "docker" "start" "-a" "81d866c2aeaefc7b30917b50614511f3502f06ccd60d1eae45ffda7ddc382ba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81d866c2aeaefc7b30917b50614511f3502f06ccd60d1eae45ffda7ddc382ba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81d866c2aeaefc7b30917b50614511f3502f06ccd60d1eae45ffda7ddc382ba8", kill_on_drop: false }`
[INFO] [stdout] 81d866c2aeaefc7b30917b50614511f3502f06ccd60d1eae45ffda7ddc382ba8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3059ea5e0ba6b789fb14c9ecdceacabadf8b27c991d4cf31881f6d5cc34894c
[INFO] running `Command { std: "docker" "start" "-a" "d3059ea5e0ba6b789fb14c9ecdceacabadf8b27c991d4cf31881f6d5cc34894c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking arc-swap v1.4.0
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking arrayvec v0.7.1
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]     Checking slog-scope v4.4.0
[INFO] [stderr]     Checking slog-stdlog v4.1.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking nix v0.22.1
[INFO] [stderr]     Checking close_fds v0.3.2
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling zerocopy-derive v0.3.0
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling privsep-derive v0.0.1
[INFO] [stderr]     Checking zerocopy v0.6.0
[INFO] [stderr]     Checking privsep-log v0.0.1
[INFO] [stderr]     Checking privsep v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused output of future returned by `tokio::task::yield_now` that must be used
[INFO] [stdout]   --> src/net/stream.rs:49:21
[INFO] [stdout]    |
[INFO] [stdout] 49 |                     yield_now().await;
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: yield_now does nothing unless polled/`await`-ed
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 49 |                     let _ = yield_now().await;
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused output of future returned by `tokio::task::yield_now` that must be used
[INFO] [stdout]   --> src/net/stream.rs:68:21
[INFO] [stdout]    |
[INFO] [stdout] 68 |                     yield_now().await;
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: yield_now does nothing unless polled/`await`-ed
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 68 |                     let _ = yield_now().await;
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused output of future returned by `tokio::task::yield_now` that must be used
[INFO] [stdout]   --> src/net/stream.rs:49:21
[INFO] [stdout]    |
[INFO] [stdout] 49 |                     yield_now().await;
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: yield_now does nothing unless polled/`await`-ed
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 49 |                     let _ = yield_now().await;
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused output of future returned by `tokio::task::yield_now` that must be used
[INFO] [stdout]   --> src/net/stream.rs:68:21
[INFO] [stdout]    |
[INFO] [stdout] 68 |                     yield_now().await;
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: yield_now does nothing unless polled/`await`-ed
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 68 |                     let _ = yield_now().await;
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.98s
[INFO] running `Command { std: "docker" "inspect" "d3059ea5e0ba6b789fb14c9ecdceacabadf8b27c991d4cf31881f6d5cc34894c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3059ea5e0ba6b789fb14c9ecdceacabadf8b27c991d4cf31881f6d5cc34894c", kill_on_drop: false }`
[INFO] [stdout] d3059ea5e0ba6b789fb14c9ecdceacabadf8b27c991d4cf31881f6d5cc34894c