[INFO] fetching crate dmx 0.2.1...
[INFO] checking dmx-0.2.1 against beta for pr-78714
[INFO] extracting crate dmx 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate dmx 0.2.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 827d173f1835a588a13baa4578fe4508ffa31e027d7a08f8db2a40268fbf4c43
[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" "827d173f1835a588a13baa4578fe4508ffa31e027d7a08f8db2a40268fbf4c43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "827d173f1835a588a13baa4578fe4508ffa31e027d7a08f8db2a40268fbf4c43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "827d173f1835a588a13baa4578fe4508ffa31e027d7a08f8db2a40268fbf4c43", kill_on_drop: false }`
[INFO] [stdout] 827d173f1835a588a13baa4578fe4508ffa31e027d7a08f8db2a40268fbf4c43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc380a5caed868a0798af2dcfca78302bdd55be9c1a86fd7616b47359a709377
[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" "fc380a5caed868a0798af2dcfca78302bdd55be9c1a86fd7616b47359a709377", kill_on_drop: false }`
[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 0.88s
[INFO] running `Command { std: "docker" "inspect" "fc380a5caed868a0798af2dcfca78302bdd55be9c1a86fd7616b47359a709377", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc380a5caed868a0798af2dcfca78302bdd55be9c1a86fd7616b47359a709377", kill_on_drop: false }`
[INFO] [stdout] fc380a5caed868a0798af2dcfca78302bdd55be9c1a86fd7616b47359a709377