[INFO] fetching crate macro_machine 0.2.0...
[INFO] testing macro_machine-0.2.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate macro_machine 0.2.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate macro_machine 0.2.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate macro_machine 0.2.0
[INFO] finished tweaking crates.io crate macro_machine 0.2.0
[INFO] tweaked toml for crates.io crate macro_machine 0.2.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2021-08-01" "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] 811b5f43cd3a1e5e857c3c617ed648d984975cd406498f2b065eeb588112786c
[INFO] running `Command { std: "docker" "start" "-a" "811b5f43cd3a1e5e857c3c617ed648d984975cd406498f2b065eeb588112786c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "811b5f43cd3a1e5e857c3c617ed648d984975cd406498f2b065eeb588112786c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "811b5f43cd3a1e5e857c3c617ed648d984975cd406498f2b065eeb588112786c", kill_on_drop: false }`
[INFO] [stdout] 811b5f43cd3a1e5e857c3c617ed648d984975cd406498f2b065eeb588112786c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 007319ac7824e5dd5b19ad4e88263a141e8a4ffe0aa85e5994051efafcf7f921
[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" "007319ac7824e5dd5b19ad4e88263a141e8a4ffe0aa85e5994051efafcf7f921", kill_on_drop: false }`
[INFO] [stderr]    Compiling macro_machine v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "007319ac7824e5dd5b19ad4e88263a141e8a4ffe0aa85e5994051efafcf7f921", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "007319ac7824e5dd5b19ad4e88263a141e8a4ffe0aa85e5994051efafcf7f921", kill_on_drop: false }`
[INFO] [stdout] 007319ac7824e5dd5b19ad4e88263a141e8a4ffe0aa85e5994051efafcf7f921
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e84820ce8d85b12e3f7a6f39187cd235a59e63c6f4dbd400af2c209dfba34285
[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" "e84820ce8d85b12e3f7a6f39187cd235a59e63c6f4dbd400af2c209dfba34285", kill_on_drop: false }`
[INFO] [stderr]    Compiling macro_machine v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/lib.rs:354:33
[INFO] [stdout]     |
[INFO] [stdout] 354 |               fn leave(&mut self, &mut MachineContext) -> Result<(), ()>;
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut MachineContext`
[INFO] [stdout] ...
[INFO] [stdout] 436 | /     declare_machine!(
[INFO] [stdout] 437 | |     Mach1 (New{x:0})
[INFO] [stdout] 438 | |
[INFO] [stdout] 439 | |     states[New,InConfig,Operational]
[INFO] [stdout] ...   |
[INFO] [stdout] 458 | |     )
[INFO] [stdout] 459 | |     );
[INFO] [stdout]     | |______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]     = note: this warning originates in the macro `declare_machine` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/lib.rs:355:33
[INFO] [stdout]     |
[INFO] [stdout] 355 |               fn enter(&mut self, &mut MachineContext) -> Result<(), ()>;
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut MachineContext`
[INFO] [stdout] ...
[INFO] [stdout] 436 | /     declare_machine!(
[INFO] [stdout] 437 | |     Mach1 (New{x:0})
[INFO] [stdout] 438 | |
[INFO] [stdout] 439 | |     states[New,InConfig,Operational]
[INFO] [stdout] ...   |
[INFO] [stdout] 458 | |     )
[INFO] [stdout] 459 | |     );
[INFO] [stdout]     | |______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]     = note: this warning originates in the macro `declare_machine` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/lib.rs:354:33
[INFO] [stdout]     |
[INFO] [stdout] 354 |               fn leave(&mut self, &mut MachineContext) -> Result<(), ()>;
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut MachineContext`
[INFO] [stdout] ...
[INFO] [stdout] 461 | /     declare_machine!(
[INFO] [stdout] 462 | |     Mach2 (State1)
[INFO] [stdout] 463 | |
[INFO] [stdout] 464 | |     states[State1,State2,State3]
[INFO] [stdout] ...   |
[INFO] [stdout] 475 | |     )
[INFO] [stdout] 476 | |     );
[INFO] [stdout]     | |______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]     = note: this warning originates in the macro `declare_machine` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/lib.rs:355:33
[INFO] [stdout]     |
[INFO] [stdout] 355 |               fn enter(&mut self, &mut MachineContext) -> Result<(), ()>;
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut MachineContext`
[INFO] [stdout] ...
[INFO] [stdout] 461 | /     declare_machine!(
[INFO] [stdout] 462 | |     Mach2 (State1)
[INFO] [stdout] 463 | |
[INFO] [stdout] 464 | |     states[State1,State2,State3]
[INFO] [stdout] ...   |
[INFO] [stdout] 475 | |     )
[INFO] [stdout] 476 | |     );
[INFO] [stdout]     | |______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]     = note: this warning originates in the macro `declare_machine` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/lib.rs:354:33
[INFO] [stdout]     |
[INFO] [stdout] 354 |               fn leave(&mut self, &mut MachineContext) -> Result<(), ()>;
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut MachineContext`
[INFO] [stdout] ...
[INFO] [stdout] 500 | /     declare_machine!(
[INFO] [stdout] 501 | |     Mach3 glob_cont{id:i16}(State1{counter:0})
[INFO] [stdout] 502 | |
[INFO] [stdout] 503 | |     states[State1,State2,State3]
[INFO] [stdout] ...   |
[INFO] [stdout] 520 | |     )
[INFO] [stdout] 521 | |     );
[INFO] [stdout]     | |______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]     = note: this warning originates in the macro `declare_machine` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/lib.rs:355:33
[INFO] [stdout]     |
[INFO] [stdout] 355 |               fn enter(&mut self, &mut MachineContext) -> Result<(), ()>;
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut MachineContext`
[INFO] [stdout] ...
[INFO] [stdout] 500 | /     declare_machine!(
[INFO] [stdout] 501 | |     Mach3 glob_cont{id:i16}(State1{counter:0})
[INFO] [stdout] 502 | |
[INFO] [stdout] 503 | |     states[State1,State2,State3]
[INFO] [stdout] ...   |
[INFO] [stdout] 520 | |     )
[INFO] [stdout] 521 | |     );
[INFO] [stdout]     | |______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]     = note: this warning originates in the macro `declare_machine` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/lib.rs:354:33
[INFO] [stdout]     |
[INFO] [stdout] 354 |               fn leave(&mut self, &mut MachineContext) -> Result<(), ()>;
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut MachineContext`
[INFO] [stdout] ...
[INFO] [stdout] 540 | /     declare_machine!(
[INFO] [stdout] 541 | |         Mach4 inner{st: InnerMachineContext} (State1)
[INFO] [stdout] 542 | |         states[State1,State2,State3]
[INFO] [stdout] 543 | |         commands[ToState1, ToState2, ToState3]
[INFO] [stdout] ...   |
[INFO] [stdout] 556 | |         )
[INFO] [stdout] 557 | |     );
[INFO] [stdout]     | |______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]     = note: this warning originates in the macro `declare_machine` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/lib.rs:355:33
[INFO] [stdout]     |
[INFO] [stdout] 355 |               fn enter(&mut self, &mut MachineContext) -> Result<(), ()>;
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut MachineContext`
[INFO] [stdout] ...
[INFO] [stdout] 540 | /     declare_machine!(
[INFO] [stdout] 541 | |         Mach4 inner{st: InnerMachineContext} (State1)
[INFO] [stdout] 542 | |         states[State1,State2,State3]
[INFO] [stdout] 543 | |         commands[ToState1, ToState2, ToState3]
[INFO] [stdout] ...   |
[INFO] [stdout] 556 | |         )
[INFO] [stdout] 557 | |     );
[INFO] [stdout]     | |______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]     = note: this warning originates in the macro `declare_machine` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "e84820ce8d85b12e3f7a6f39187cd235a59e63c6f4dbd400af2c209dfba34285", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e84820ce8d85b12e3f7a6f39187cd235a59e63c6f4dbd400af2c209dfba34285", kill_on_drop: false }`
[INFO] [stdout] e84820ce8d85b12e3f7a6f39187cd235a59e63c6f4dbd400af2c209dfba34285
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7bd85b0aa83425790fb09b31f4bc6bec43c3a266f06907daf3bc1fe33ca23e1e
[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" "7bd85b0aa83425790fb09b31f4bc6bec43c3a266f06907daf3bc1fe33ca23e1e", kill_on_drop: false }`
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]    --> src/lib.rs:354:33
[INFO] [stderr]     |
[INFO] [stderr] 354 |               fn leave(&mut self, &mut MachineContext) -> Result<(), ()>;
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut MachineContext`
[INFO] [stderr] ...
[INFO] [stderr] 436 | /     declare_machine!(
[INFO] [stderr] 437 | |     Mach1 (New{x:0})
[INFO] [stderr] 438 | |
[INFO] [stderr] 439 | |     states[New,InConfig,Operational]
[INFO] [stderr] ...   |
[INFO] [stderr] 458 | |     )
[INFO] [stderr] 459 | |     );
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr]     = note: this warning originates in the macro `declare_machine` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]    --> src/lib.rs:355:33
[INFO] [stderr]     |
[INFO] [stderr] 355 |               fn enter(&mut self, &mut MachineContext) -> Result<(), ()>;
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut MachineContext`
[INFO] [stderr] ...
[INFO] [stderr] 436 | /     declare_machine!(
[INFO] [stderr] 437 | |     Mach1 (New{x:0})
[INFO] [stderr] 438 | |
[INFO] [stderr] 439 | |     states[New,InConfig,Operational]
[INFO] [stderr] ...   |
[INFO] [stderr] 458 | |     )
[INFO] [stderr] 459 | |     );
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr]     = note: this warning originates in the macro `declare_machine` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]    --> src/lib.rs:354:33
[INFO] [stderr]     |
[INFO] [stderr] 354 |               fn leave(&mut self, &mut MachineContext) -> Result<(), ()>;
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut MachineContext`
[INFO] [stderr] ...
[INFO] [stderr] 461 | /     declare_machine!(
[INFO] [stderr] 462 | |     Mach2 (State1)
[INFO] [stderr] 463 | |
[INFO] [stderr] 464 | |     states[State1,State2,State3]
[INFO] [stderr] ...   |
[INFO] [stderr] 475 | |     )
[INFO] [stderr] 476 | |     );
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr]     = note: this warning originates in the macro `declare_machine` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]    --> src/lib.rs:355:33
[INFO] [stderr]     |
[INFO] [stderr] 355 |               fn enter(&mut self, &mut MachineContext) -> Result<(), ()>;
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut MachineContext`
[INFO] [stderr] ...
[INFO] [stderr] 461 | /     declare_machine!(
[INFO] [stderr] 462 | |     Mach2 (State1)
[INFO] [stderr] 463 | |
[INFO] [stderr] 464 | |     states[State1,State2,State3]
[INFO] [stderr] ...   |
[INFO] [stderr] 475 | |     )
[INFO] [stderr] 476 | |     );
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr]     = note: this warning originates in the macro `declare_machine` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]    --> src/lib.rs:354:33
[INFO] [stderr]     |
[INFO] [stderr] 354 |               fn leave(&mut self, &mut MachineContext) -> Result<(), ()>;
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut MachineContext`
[INFO] [stderr] ...
[INFO] [stderr] 500 | /     declare_machine!(
[INFO] [stderr] 501 | |     Mach3 glob_cont{id:i16}(State1{counter:0})
[INFO] [stderr] 502 | |
[INFO] [stderr] 503 | |     states[State1,State2,State3]
[INFO] [stderr] ...   |
[INFO] [stderr] 520 | |     )
[INFO] [stderr] 521 | |     );
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr]     = note: this warning originates in the macro `declare_machine` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]    --> src/lib.rs:355:33
[INFO] [stderr]     |
[INFO] [stderr] 355 |               fn enter(&mut self, &mut MachineContext) -> Result<(), ()>;
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut MachineContext`
[INFO] [stderr] ...
[INFO] [stderr] 500 | /     declare_machine!(
[INFO] [stderr] 501 | |     Mach3 glob_cont{id:i16}(State1{counter:0})
[INFO] [stderr] 502 | |
[INFO] [stderr] 503 | |     states[State1,State2,State3]
[INFO] [stderr] ...   |
[INFO] [stderr] 520 | |     )
[INFO] [stderr] 521 | |     );
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr]     = note: this warning originates in the macro `declare_machine` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]    --> src/lib.rs:354:33
[INFO] [stderr]     |
[INFO] [stderr] 354 |               fn leave(&mut self, &mut MachineContext) -> Result<(), ()>;
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut MachineContext`
[INFO] [stderr] ...
[INFO] [stderr] 540 | /     declare_machine!(
[INFO] [stderr] 541 | |         Mach4 inner{st: InnerMachineContext} (State1)
[INFO] [stderr] 542 | |         states[State1,State2,State3]
[INFO] [stderr] 543 | |         commands[ToState1, ToState2, ToState3]
[INFO] [stderr] ...   |
[INFO] [stderr] 556 | |         )
[INFO] [stderr] 557 | |     );
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr]     = note: this warning originates in the macro `declare_machine` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]    --> src/lib.rs:355:33
[INFO] [stderr]     |
[INFO] [stderr] 355 |               fn enter(&mut self, &mut MachineContext) -> Result<(), ()>;
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut MachineContext`
[INFO] [stderr] ...
[INFO] [stderr] 540 | /     declare_machine!(
[INFO] [stderr] 541 | |         Mach4 inner{st: InnerMachineContext} (State1)
[INFO] [stderr] 542 | |         states[State1,State2,State3]
[INFO] [stderr] 543 | |         commands[ToState1, ToState2, ToState3]
[INFO] [stderr] ...   |
[INFO] [stderr] 556 | |         )
[INFO] [stderr] 557 | |     );
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr]     = note: this warning originates in the macro `declare_machine` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `macro_machine` (lib test) generated 8 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/macro_machine-01ce6277a2954adb)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test1 ... ok
[INFO] [stdout] test tests::test4 ... ok
[INFO] [stdout] test tests::test3 ... ok
[INFO] [stdout] test tests::test2 - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests macro_machine
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 127) ... ok
[INFO] [stdout] test src/lib.rs - (line 12) ... ok
[INFO] [stdout] test src/lib.rs - (line 41) ... ok
[INFO] [stdout] test src/lib.rs - (line 76) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.49s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7bd85b0aa83425790fb09b31f4bc6bec43c3a266f06907daf3bc1fe33ca23e1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bd85b0aa83425790fb09b31f4bc6bec43c3a266f06907daf3bc1fe33ca23e1e", kill_on_drop: false }`
[INFO] [stdout] 7bd85b0aa83425790fb09b31f4bc6bec43c3a266f06907daf3bc1fe33ca23e1e
