[INFO] fetching crate rs485 0.1.0...
[INFO] checking rs485-0.1.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate rs485 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rs485 0.1.0 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rs485 0.1.0
[INFO] finished tweaking crates.io crate rs485 0.1.0
[INFO] tweaked toml for crates.io crate rs485 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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] 7bc8881a41eefb2d925f998adcb996412bef03ebe7dfcb41bd8c2f6b6ec178f3
[INFO] running `Command { std: "docker" "start" "-a" "7bc8881a41eefb2d925f998adcb996412bef03ebe7dfcb41bd8c2f6b6ec178f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bc8881a41eefb2d925f998adcb996412bef03ebe7dfcb41bd8c2f6b6ec178f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bc8881a41eefb2d925f998adcb996412bef03ebe7dfcb41bd8c2f6b6ec178f3", kill_on_drop: false }`
[INFO] [stdout] 7bc8881a41eefb2d925f998adcb996412bef03ebe7dfcb41bd8c2f6b6ec178f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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] 47d5b8a95020091c81d99d0f6f1716df1a71f9c8221c7120a4e5b9115e237f55
[INFO] running `Command { std: "docker" "start" "-a" "47d5b8a95020091c81d99d0f6f1716df1a71f9c8221c7120a4e5b9115e237f55", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking rs485 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:53:1
[INFO] [stdout]    |
[INFO] [stdout] 53 | / bitflags! {
[INFO] [stdout] 54 | |     pub struct Rs485Flags: u32 {
[INFO] [stdout] 55 | |         const SER_RS485_ENABLED        = (1 << 0);
[INFO] [stdout] 56 | |         const SER_RS485_RTS_ON_SEND    = (1 << 1);
[INFO] [stdout] ...  |
[INFO] [stdout] 59 | |     }
[INFO] [stdout] 60 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__impl_bitflags` (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/lib.rs:53:1
[INFO] [stdout]    |
[INFO] [stdout] 53 | / bitflags! {
[INFO] [stdout] 54 | |     pub struct Rs485Flags: u32 {
[INFO] [stdout] 55 | |         const SER_RS485_ENABLED        = (1 << 0);
[INFO] [stdout] 56 | |         const SER_RS485_RTS_ON_SEND    = (1 << 1);
[INFO] [stdout] ...  |
[INFO] [stdout] 59 | |     }
[INFO] [stdout] 60 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__impl_bitflags` (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/lib.rs:53:1
[INFO] [stdout]    |
[INFO] [stdout] 53 | / bitflags! {
[INFO] [stdout] 54 | |     pub struct Rs485Flags: u32 {
[INFO] [stdout] 55 | |         const SER_RS485_ENABLED        = (1 << 0);
[INFO] [stdout] 56 | |         const SER_RS485_RTS_ON_SEND    = (1 << 1);
[INFO] [stdout] ...  |
[INFO] [stdout] 59 | |     }
[INFO] [stdout] 60 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__impl_bitflags` (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/lib.rs:53:1
[INFO] [stdout]    |
[INFO] [stdout] 53 | / bitflags! {
[INFO] [stdout] 54 | |     pub struct Rs485Flags: u32 {
[INFO] [stdout] 55 | |         const SER_RS485_ENABLED        = (1 << 0);
[INFO] [stdout] 56 | |         const SER_RS485_RTS_ON_SEND    = (1 << 1);
[INFO] [stdout] ...  |
[INFO] [stdout] 59 | |     }
[INFO] [stdout] 60 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__impl_bitflags` (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/lib.rs:53:1
[INFO] [stdout]    |
[INFO] [stdout] 53 | / bitflags! {
[INFO] [stdout] 54 | |     pub struct Rs485Flags: u32 {
[INFO] [stdout] 55 | |         const SER_RS485_ENABLED        = (1 << 0);
[INFO] [stdout] 56 | |         const SER_RS485_RTS_ON_SEND    = (1 << 1);
[INFO] [stdout] ...  |
[INFO] [stdout] 59 | |     }
[INFO] [stdout] 60 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__impl_bitflags` (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/lib.rs:53:1
[INFO] [stdout]    |
[INFO] [stdout] 53 | / bitflags! {
[INFO] [stdout] 54 | |     pub struct Rs485Flags: u32 {
[INFO] [stdout] 55 | |         const SER_RS485_ENABLED        = (1 << 0);
[INFO] [stdout] 56 | |         const SER_RS485_RTS_ON_SEND    = (1 << 1);
[INFO] [stdout] ...  |
[INFO] [stdout] 59 | |     }
[INFO] [stdout] 60 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__impl_bitflags` (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" "47d5b8a95020091c81d99d0f6f1716df1a71f9c8221c7120a4e5b9115e237f55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47d5b8a95020091c81d99d0f6f1716df1a71f9c8221c7120a4e5b9115e237f55", kill_on_drop: false }`
[INFO] [stdout] 47d5b8a95020091c81d99d0f6f1716df1a71f9c8221c7120a4e5b9115e237f55