[INFO] fetching crate exprtk_rs 0.0.7...
[INFO] checking exprtk_rs-0.0.7 against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] extracting crate exprtk_rs 0.0.7 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate exprtk_rs 0.0.7 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 exprtk_rs 0.0.7
[INFO] finished tweaking crates.io crate exprtk_rs 0.0.7
[INFO] tweaked toml for crates.io crate exprtk_rs 0.0.7 written to /workspace/builds/worker-7/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 exprtk_sys v0.0.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] 0e6a6e74e953c46ea9751aacef0548e5eefc7bb19cabf4800ea586fb37e9ef26
[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" "0e6a6e74e953c46ea9751aacef0548e5eefc7bb19cabf4800ea586fb37e9ef26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e6a6e74e953c46ea9751aacef0548e5eefc7bb19cabf4800ea586fb37e9ef26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e6a6e74e953c46ea9751aacef0548e5eefc7bb19cabf4800ea586fb37e9ef26", kill_on_drop: false }`
[INFO] [stdout] 0e6a6e74e953c46ea9751aacef0548e5eefc7bb19cabf4800ea586fb37e9ef26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 8b7275a546bf30ef11c2cb38efa9807ed13f0be29803fec28e94d46f4552161f
[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" "8b7275a546bf30ef11c2cb38efa9807ed13f0be29803fec28e94d46f4552161f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling exprtk_sys v0.0.7
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking exprtk_rs v0.0.7 (/opt/rustwide/workdir)
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/exprtk.rs:504:17
[INFO] [stdout]     |
[INFO] [stdout] 504 | /                 extern fn wrapper<F>(closure: *mut c_void, $($x: $ty),*) -> c_double
[INFO] [stdout] 505 | |                     where F: Fn($($ty),*) -> c_double {
[INFO] [stdout] 506 | |                     unsafe {
[INFO] [stdout] 507 | |                         let opt_closure: Option<&mut F> = transmute(closure);
[INFO] [stdout] 508 | |                         opt_closure.map(|f| f($($x),*)).unwrap()
[INFO] [stdout] 509 | |                     }
[INFO] [stdout] 510 | |                 }
[INFO] [stdout]     | |_________________^ ABI should be specified here
[INFO] [stdout] ...
[INFO] [stdout] 519 |   func_impl!(add_func1, symbol_table_add_func1, a: c_double);
[INFO] [stdout]     |   ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(missing_abi)]` on by default
[INFO] [stdout]     = help: the default ABI is C
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/exprtk.rs:504:17
[INFO] [stdout]     |
[INFO] [stdout] 504 | /                 extern fn wrapper<F>(closure: *mut c_void, $($x: $ty),*) -> c_double
[INFO] [stdout] 505 | |                     where F: Fn($($ty),*) -> c_double {
[INFO] [stdout] 506 | |                     unsafe {
[INFO] [stdout] 507 | |                         let opt_closure: Option<&mut F> = transmute(closure);
[INFO] [stdout] 508 | |                         opt_closure.map(|f| f($($x),*)).unwrap()
[INFO] [stdout] 509 | |                     }
[INFO] [stdout] 510 | |                 }
[INFO] [stdout]     | |_________________^ ABI should be specified here
[INFO] [stdout] ...
[INFO] [stdout] 520 |   func_impl!(add_func2, symbol_table_add_func2, a: c_double, b: c_double);
[INFO] [stdout]     |   ------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: the default ABI is C
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/exprtk.rs:504:17
[INFO] [stdout]     |
[INFO] [stdout] 504 | /                 extern fn wrapper<F>(closure: *mut c_void, $($x: $ty),*) -> c_double
[INFO] [stdout] 505 | |                     where F: Fn($($ty),*) -> c_double {
[INFO] [stdout] 506 | |                     unsafe {
[INFO] [stdout] 507 | |                         let opt_closure: Option<&mut F> = transmute(closure);
[INFO] [stdout] 508 | |                         opt_closure.map(|f| f($($x),*)).unwrap()
[INFO] [stdout] 509 | |                     }
[INFO] [stdout] 510 | |                 }
[INFO] [stdout]     | |_________________^ ABI should be specified here
[INFO] [stdout] ...
[INFO] [stdout] 521 |   func_impl!(add_func3, symbol_table_add_func3, a: c_double, b: c_double, c: c_double);
[INFO] [stdout]     |   ------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: the default ABI is C
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/exprtk.rs:504:17
[INFO] [stdout]     |
[INFO] [stdout] 504 | /                 extern fn wrapper<F>(closure: *mut c_void, $($x: $ty),*) -> c_double
[INFO] [stdout] 505 | |                     where F: Fn($($ty),*) -> c_double {
[INFO] [stdout] 506 | |                     unsafe {
[INFO] [stdout] 507 | |                         let opt_closure: Option<&mut F> = transmute(closure);
[INFO] [stdout] 508 | |                         opt_closure.map(|f| f($($x),*)).unwrap()
[INFO] [stdout] 509 | |                     }
[INFO] [stdout] 510 | |                 }
[INFO] [stdout]     | |_________________^ ABI should be specified here
[INFO] [stdout] ...
[INFO] [stdout] 522 |   func_impl!(add_func4, symbol_table_add_func4, a: c_double, b: c_double, c: c_double, d: c_double);
[INFO] [stdout]     |   -------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: the default ABI is C
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/exprtk.rs:504:17
[INFO] [stdout]     |
[INFO] [stdout] 504 | /                 extern fn wrapper<F>(closure: *mut c_void, $($x: $ty),*) -> c_double
[INFO] [stdout] 505 | |                     where F: Fn($($ty),*) -> c_double {
[INFO] [stdout] 506 | |                     unsafe {
[INFO] [stdout] 507 | |                         let opt_closure: Option<&mut F> = transmute(closure);
[INFO] [stdout] 508 | |                         opt_closure.map(|f| f($($x),*)).unwrap()
[INFO] [stdout] 509 | |                     }
[INFO] [stdout] 510 | |                 }
[INFO] [stdout]     | |_________________^ ABI should be specified here
[INFO] [stdout] ...
[INFO] [stdout] 519 |   func_impl!(add_func1, symbol_table_add_func1, a: c_double);
[INFO] [stdout]     |   ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(missing_abi)]` on by default
[INFO] [stdout]     = help: the default ABI is C
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/exprtk.rs:504:17
[INFO] [stdout]     |
[INFO] [stdout] 504 | /                 extern fn wrapper<F>(closure: *mut c_void, $($x: $ty),*) -> c_double
[INFO] [stdout] 505 | |                     where F: Fn($($ty),*) -> c_double {
[INFO] [stdout] 506 | |                     unsafe {
[INFO] [stdout] 507 | |                         let opt_closure: Option<&mut F> = transmute(closure);
[INFO] [stdout] 508 | |                         opt_closure.map(|f| f($($x),*)).unwrap()
[INFO] [stdout] 509 | |                     }
[INFO] [stdout] 510 | |                 }
[INFO] [stdout]     | |_________________^ ABI should be specified here
[INFO] [stdout] ...
[INFO] [stdout] 520 |   func_impl!(add_func2, symbol_table_add_func2, a: c_double, b: c_double);
[INFO] [stdout]     |   ------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: the default ABI is C
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/exprtk.rs:504:17
[INFO] [stdout]     |
[INFO] [stdout] 504 | /                 extern fn wrapper<F>(closure: *mut c_void, $($x: $ty),*) -> c_double
[INFO] [stdout] 505 | |                     where F: Fn($($ty),*) -> c_double {
[INFO] [stdout] 506 | |                     unsafe {
[INFO] [stdout] 507 | |                         let opt_closure: Option<&mut F> = transmute(closure);
[INFO] [stdout] 508 | |                         opt_closure.map(|f| f($($x),*)).unwrap()
[INFO] [stdout] 509 | |                     }
[INFO] [stdout] 510 | |                 }
[INFO] [stdout]     | |_________________^ ABI should be specified here
[INFO] [stdout] ...
[INFO] [stdout] 521 |   func_impl!(add_func3, symbol_table_add_func3, a: c_double, b: c_double, c: c_double);
[INFO] [stdout]     |   ------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: the default ABI is C
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/exprtk.rs:504:17
[INFO] [stdout]     |
[INFO] [stdout] 504 | /                 extern fn wrapper<F>(closure: *mut c_void, $($x: $ty),*) -> c_double
[INFO] [stdout] 505 | |                     where F: Fn($($ty),*) -> c_double {
[INFO] [stdout] 506 | |                     unsafe {
[INFO] [stdout] 507 | |                         let opt_closure: Option<&mut F> = transmute(closure);
[INFO] [stdout] 508 | |                         opt_closure.map(|f| f($($x),*)).unwrap()
[INFO] [stdout] 509 | |                     }
[INFO] [stdout] 510 | |                 }
[INFO] [stdout]     | |_________________^ ABI should be specified here
[INFO] [stdout] ...
[INFO] [stdout] 522 |   func_impl!(add_func4, symbol_table_add_func4, a: c_double, b: c_double, c: c_double, d: c_double);
[INFO] [stdout]     |   -------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: the default ABI is C
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exprtk_rs`.
[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] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8b7275a546bf30ef11c2cb38efa9807ed13f0be29803fec28e94d46f4552161f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b7275a546bf30ef11c2cb38efa9807ed13f0be29803fec28e94d46f4552161f", kill_on_drop: false }`
[INFO] [stdout] 8b7275a546bf30ef11c2cb38efa9807ed13f0be29803fec28e94d46f4552161f