[INFO] fetching crate dmx 0.2.1...
[INFO] checking dmx-0.2.1 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] extracting crate dmx 0.2.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate dmx 0.2.1 on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dmx 0.2.1
[INFO] finished tweaking crates.io crate dmx 0.2.1
[INFO] tweaked toml for crates.io crate dmx 0.2.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "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] 5510d502dc9348cf3c7cf54c659fe0f856cfffe20e6c7464fde19216972b05d0
[INFO] running `Command { std: "docker" "start" "-a" "5510d502dc9348cf3c7cf54c659fe0f856cfffe20e6c7464fde19216972b05d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5510d502dc9348cf3c7cf54c659fe0f856cfffe20e6c7464fde19216972b05d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5510d502dc9348cf3c7cf54c659fe0f856cfffe20e6c7464fde19216972b05d0", kill_on_drop: false }`
[INFO] [stdout] 5510d502dc9348cf3c7cf54c659fe0f856cfffe20e6c7464fde19216972b05d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad7fdfe4ec44c738103974a47ba625e4546a4ca61bfb9fd55ab3102f10878115
[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" "ad7fdfe4ec44c738103974a47ba625e4546a4ca61bfb9fd55ab3102f10878115", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking dmx-termios v0.3.0
[INFO] [stderr]     Checking dmx-serial v0.4.0
[INFO] [stderr]     Checking dmx v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/lib.rs:134:1
[INFO] [stdout]     |
[INFO] [stdout] 134 | / lazy_static! {
[INFO] [stdout] 135 | |     // break will take at least 138 uS, followed by MAB of at least 8 uS
[INFO] [stdout] 136 | |     // we use a sleep + discard instead of using the kernel's builtin flushing
[INFO] [stdout] 137 | |     // functions, as they are much too slow
[INFO] [stdout] 138 | |     static ref SERIAL_TOTAL_BREAK: time::Duration = time::Duration::new(0, 136_000);
[INFO] [stdout] 139 | | }
[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 constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/lib.rs:134:1
[INFO] [stdout]     |
[INFO] [stdout] 134 | / lazy_static! {
[INFO] [stdout] 135 | |     // break will take at least 138 uS, followed by MAB of at least 8 uS
[INFO] [stdout] 136 | |     // we use a sleep + discard instead of using the kernel's builtin flushing
[INFO] [stdout] 137 | |     // functions, as they are much too slow
[INFO] [stdout] 138 | |     static ref SERIAL_TOTAL_BREAK: time::Duration = time::Duration::new(0, 136_000);
[INFO] [stdout] 139 | | }
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.98s
[INFO] running `Command { std: "docker" "inspect" "ad7fdfe4ec44c738103974a47ba625e4546a4ca61bfb9fd55ab3102f10878115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad7fdfe4ec44c738103974a47ba625e4546a4ca61bfb9fd55ab3102f10878115", kill_on_drop: false }`
[INFO] [stdout] ad7fdfe4ec44c738103974a47ba625e4546a4ca61bfb9fd55ab3102f10878115