[INFO] fetching crate lazy-socket 0.3.0...
[INFO] checking lazy-socket-0.3.0 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate lazy-socket 0.3.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate lazy-socket 0.3.0 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lazy-socket 0.3.0
[INFO] finished tweaking crates.io crate lazy-socket 0.3.0
[INFO] tweaked toml for crates.io crate lazy-socket 0.3.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d287e93f10bcd9f7059206a85edab984455c463eb1cae834d0ea96ed25a933e6
[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" "d287e93f10bcd9f7059206a85edab984455c463eb1cae834d0ea96ed25a933e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d287e93f10bcd9f7059206a85edab984455c463eb1cae834d0ea96ed25a933e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d287e93f10bcd9f7059206a85edab984455c463eb1cae834d0ea96ed25a933e6", kill_on_drop: false }`
[INFO] [stdout] d287e93f10bcd9f7059206a85edab984455c463eb1cae834d0ea96ed25a933e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "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] 469715e224fdf328aa17438db0edfbd1f10be61fc623883172af20022d6527df
[INFO] running `Command { std: "docker" "start" "-a" "469715e224fdf328aa17438db0edfbd1f10be61fc623883172af20022d6527df", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking lazy-socket v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/raw/unix.rs:178:1
[INFO] [stdout]     |
[INFO] [stdout] 178 | ///Possible flags for `accept4()`
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/raw/unix.rs:179:1
[INFO] [stdout]     |
[INFO] [stdout] 179 | / bitflags! (pub flags AcceptFlags: c_int {
[INFO] [stdout] 180 | |     const NON_BLOCKING    = SOCK_NONBLOCK,
[INFO] [stdout] 181 | |     const NON_INHERITABLE = SOCK_CLOEXEC,
[INFO] [stdout] 182 | | });
[INFO] [stdout]     | |___^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/raw/unix.rs:179:1
[INFO] [stdout]     |
[INFO] [stdout] 179 | / bitflags! (pub flags AcceptFlags: c_int {
[INFO] [stdout] 180 | |     const NON_BLOCKING    = SOCK_NONBLOCK,
[INFO] [stdout] 181 | |     const NON_INHERITABLE = SOCK_CLOEXEC,
[INFO] [stdout] 182 | | });
[INFO] [stdout]     | |___^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/raw/unix.rs:178:1
[INFO] [stdout]     |
[INFO] [stdout] 178 | ///Possible flags for `accept4()`
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/raw/unix.rs:179:1
[INFO] [stdout]     |
[INFO] [stdout] 179 | / bitflags! (pub flags AcceptFlags: c_int {
[INFO] [stdout] 180 | |     const NON_BLOCKING    = SOCK_NONBLOCK,
[INFO] [stdout] 181 | |     const NON_INHERITABLE = SOCK_CLOEXEC,
[INFO] [stdout] 182 | | });
[INFO] [stdout]     | |___^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/raw/unix.rs:179:1
[INFO] [stdout]     |
[INFO] [stdout] 179 | / bitflags! (pub flags AcceptFlags: c_int {
[INFO] [stdout] 180 | |     const NON_BLOCKING    = SOCK_NONBLOCK,
[INFO] [stdout] 181 | |     const NON_INHERITABLE = SOCK_CLOEXEC,
[INFO] [stdout] 182 | | });
[INFO] [stdout]     | |___^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.27s
[INFO] running `Command { std: "docker" "inspect" "469715e224fdf328aa17438db0edfbd1f10be61fc623883172af20022d6527df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "469715e224fdf328aa17438db0edfbd1f10be61fc623883172af20022d6527df", kill_on_drop: false }`
[INFO] [stdout] 469715e224fdf328aa17438db0edfbd1f10be61fc623883172af20022d6527df