[INFO] fetching crate plugger-ruby 0.3.0...
[INFO] checking plugger-ruby-0.3.0 against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] extracting crate plugger-ruby 0.3.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate plugger-ruby 0.3.0 on toolchain 05c8870159e4f328578a970e125aa76d24f03b56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate plugger-ruby 0.3.0
[INFO] finished tweaking crates.io crate plugger-ruby 0.3.0
[INFO] tweaked toml for crates.io crate plugger-ruby 0.3.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mri-sys v0.2.4
[INFO] [stderr]   Downloaded rurust v0.1.11
[INFO] [stderr]   Downloaded plugger-core v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+05c8870159e4f328578a970e125aa76d24f03b56" "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] e7cd9a69c920deb82dc5e809302d44d1139508aa36a8e22a7dbc12b57bf85704
[INFO] running `Command { std: "docker" "start" "-a" "e7cd9a69c920deb82dc5e809302d44d1139508aa36a8e22a7dbc12b57bf85704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7cd9a69c920deb82dc5e809302d44d1139508aa36a8e22a7dbc12b57bf85704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7cd9a69c920deb82dc5e809302d44d1139508aa36a8e22a7dbc12b57bf85704", kill_on_drop: false }`
[INFO] [stdout] e7cd9a69c920deb82dc5e809302d44d1139508aa36a8e22a7dbc12b57bf85704
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+05c8870159e4f328578a970e125aa76d24f03b56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80bb3d60ce5b03672d7fb40b1c4de5b8f73432ae1bf1477d64ae1577297dc358
[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" "80bb3d60ce5b03672d7fb40b1c4de5b8f73432ae1bf1477d64ae1577297dc358", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking plugger-core v0.3.0
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling mri-sys v0.2.4
[INFO] [stderr]     Checking rurust v0.1.11
[INFO] [stderr]     Checking plugger-ruby v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/shims.rs:43:1
[INFO] [stdout]    |
[INFO] [stdout] 43 | / pub extern fn ruby_method(argc: libc::c_int, argv: *const Value, object: Value) -> Value {
[INFO] [stdout] 44 | |     let (method, arguments) = helpers::process_method_arguments(argc, argv);
[INFO] [stdout] 45 | |
[INFO] [stdout] 46 | |     let receiver = helpers::reference_to_struct(object);
[INFO] [stdout] ...  |
[INFO] [stdout] 61 | |     }
[INFO] [stdout] 62 | | }
[INFO] [stdout]    | |_^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(missing_abi)]` on by default
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/shims.rs:65:1
[INFO] [stdout]    |
[INFO] [stdout] 65 | / pub extern fn ruby_singleton_method(argc: libc::c_int, argv: *const Value, _class: Value) -> Value {
[INFO] [stdout] 66 | |     let (function, arguments) = helpers::process_function_arguments(argc, argv);
[INFO] [stdout] 67 | |
[INFO] [stdout] 68 | |     let a = arguments;
[INFO] [stdout] ...  |
[INFO] [stdout] 81 | |     }
[INFO] [stdout] 82 | | }
[INFO] [stdout]    | |_^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/shims.rs:43:1
[INFO] [stdout]    |
[INFO] [stdout] 43 | / pub extern fn ruby_method(argc: libc::c_int, argv: *const Value, object: Value) -> Value {
[INFO] [stdout] 44 | |     let (method, arguments) = helpers::process_method_arguments(argc, argv);
[INFO] [stdout] 45 | |
[INFO] [stdout] 46 | |     let receiver = helpers::reference_to_struct(object);
[INFO] [stdout] ...  |
[INFO] [stdout] 61 | |     }
[INFO] [stdout] 62 | | }
[INFO] [stdout]    | |_^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(missing_abi)]` on by default
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | / pub extern fn do_something() {
[INFO] [stdout] 24 | |     println!("do_something");
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/shims.rs:65:1
[INFO] [stdout]    |
[INFO] [stdout] 65 | / pub extern fn ruby_singleton_method(argc: libc::c_int, argv: *const Value, _class: Value) -> Value {
[INFO] [stdout] 66 | |     let (function, arguments) = helpers::process_function_arguments(argc, argv);
[INFO] [stdout] 67 | |
[INFO] [stdout] 68 | |     let a = arguments;
[INFO] [stdout] ...  |
[INFO] [stdout] 81 | |     }
[INFO] [stdout] 82 | | }
[INFO] [stdout]    | |_^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | / pub extern fn do_something() {
[INFO] [stdout] 24 | |     println!("do_something");
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0624]: associated function `new` is private
[INFO] [stdout]   --> src/lib.rs:41:27
[INFO] [stdout]    |
[INFO] [stdout] 41 |         match rurust::VM::new() {
[INFO] [stdout]    |                           ^^^ private associated function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0624]: associated function `new` is private
[INFO] [stdout]   --> src/lib.rs:41:27
[INFO] [stdout]    |
[INFO] [stdout] 41 |         match rurust::VM::new() {
[INFO] [stdout]    |                           ^^^ private associated function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0624`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `plugger-ruby`.
[INFO] [stdout] For more information about this error, try `rustc --explain E0624`.
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "80bb3d60ce5b03672d7fb40b1c4de5b8f73432ae1bf1477d64ae1577297dc358", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80bb3d60ce5b03672d7fb40b1c4de5b8f73432ae1bf1477d64ae1577297dc358", kill_on_drop: false }`
[INFO] [stdout] 80bb3d60ce5b03672d7fb40b1c4de5b8f73432ae1bf1477d64ae1577297dc358