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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 06da3b9ac8f278e5d4ae13088cf0a4c03d2c13f5
[INFO] checking Snowgem/librustsnowgem against beta-2021-10-15 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSnowgem%2Flibrustsnowgem" "/workspace/builds/worker-100/source", kill_on_drop: false }`
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[INFO] validating manifest of git repo https://github.com/Snowgem/librustsnowgem on toolchain beta-2021-10-15
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[INFO] crate git repo https://github.com/Snowgem/librustsnowgem already has a lockfile, it will not be regenerated
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[INFO] [stderr]   Downloaded hex-literal-impl v0.1.1
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[INFO] [stdout] 2da94d2074b88dbca4db2709f6a5c47cd24f18ef0f2cab15d9efd66d1bd5a35a
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[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]     Checking byteorder v1.2.2
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking futures v0.1.21
[INFO] [stderr]     Checking bit-vec v0.4.4
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[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking opaque-debug v0.1.1
[INFO] [stderr]    Compiling num-bigint v0.2.0
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.0
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking zcash_primitives v0.0.0 (/opt/rustwide/workdir/zcash_primitives)
[INFO] [stderr]     Checking zcash_wallet v0.0.0 (/opt/rustwide/workdir/zcash_wallet)
[INFO] [stderr]     Checking zcash_proofs v0.0.0 (/opt/rustwide/workdir/zcash_proofs)
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking blake2-rfc v0.2.18 (https://github.com/gtank/blake2-rfc?rev=7a5b5fc99ae483a0043db7547fb79a6fa44b88a9#7a5b5fc9)
[INFO] [stderr]    Compiling proc-macro-hack v0.4.0
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]    Compiling hex-literal-impl v0.1.1
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking hex-literal v0.1.1
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking pairing v0.14.2 (/opt/rustwide/workdir/pairing)
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> pairing/src/bls12_381/fq.rs:522:9
[INFO] [stdout]     |
[INFO] [stdout] 522 |         try!(write!(f, "0x"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> pairing/src/bls12_381/fq.rs:524:13
[INFO] [stdout]     |
[INFO] [stdout] 524 |             try!(write!(f, "{:016x}", *i));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> pairing/src/bls12_381/fr.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         try!(write!(f, "0x"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> pairing/src/bls12_381/fr.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |             try!(write!(f, "{:016x}", *i));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> pairing/src/lib.rs:98:29
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn final_exponentiation(&Self::Fqk) -> Option<Self::Fqk>;
[INFO] [stdout]    |                             ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self::Fqk`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> pairing/src/lib.rs:555:18
[INFO] [stdout]     |
[INFO] [stdout] 555 |     fn from_repr(Self::Repr) -> Result<Self, PrimeFieldDecodingError>;
[INFO] [stdout]     |                  ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Repr`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> pairing/src/bls12_381/fq.rs:522:9
[INFO] [stdout]     |
[INFO] [stdout] 522 |         try!(write!(f, "0x"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> pairing/src/bls12_381/fq.rs:524:13
[INFO] [stdout]     |
[INFO] [stdout] 524 |             try!(write!(f, "{:016x}", *i));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> pairing/src/bls12_381/fr.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         try!(write!(f, "0x"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> pairing/src/bls12_381/fr.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |             try!(write!(f, "{:016x}", *i));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> pairing/src/lib.rs:98:29
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn final_exponentiation(&Self::Fqk) -> Option<Self::Fqk>;
[INFO] [stdout]    |                             ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self::Fqk`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> pairing/src/lib.rs:555:18
[INFO] [stdout]     |
[INFO] [stdout] 555 |     fn from_repr(Self::Repr) -> Result<Self, PrimeFieldDecodingError>;
[INFO] [stdout]     |                  ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Repr`
[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] 
[INFO] [stdout] 
[INFO] [stderr]     Checking digest v0.7.2
[INFO] [stderr]     Checking block-cipher-trait v0.5.3
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> pairing/src/lib.rs:503:39
[INFO] [stdout]     |
[INFO] [stdout] 503 |             _ => write!(f, "{}", self.description()),
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking aes-soft v0.2.0
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> pairing/src/lib.rs:503:39
[INFO] [stdout]     |
[INFO] [stdout] 503 |             _ => write!(f, "{}", self.description()),
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]    --> pairing/src/lib.rs:107:62
[INFO] [stdout]     |
[INFO] [stdout] 107 |             [(&(p.into().prepare()), &(q.into().prepare()))].into_iter(),
[INFO] [stdout]     |                                                              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 107 |             [(&(p.into().prepare()), &(q.into().prepare()))].iter(),
[INFO] [stdout]     |                                                              ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 107 |             IntoIterator::into_iter([(&(p.into().prepare()), &(q.into().prepare()))]),
[INFO] [stdout]     |             ++++++++++++++++++++++++                                                ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking bellman v0.1.0 (/opt/rustwide/workdir/bellman)
[INFO] [stderr]     Checking aes v0.2.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> pairing/benches/pairing_benches.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> bellman/src/multiexp.rs:148:10
[INFO] [stdout]     |
[INFO] [stdout] 148 | ) -> Box<Future<Item=<G as CurveAffine>::Projective, Error=SynthesisError>>
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=<G as CurveAffine>::Projective, Error=SynthesisError>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> bellman/src/multiexp.rs:242:10
[INFO] [stdout]     |
[INFO] [stdout] 242 | ) -> Box<Future<Item=<G as CurveAffine>::Projective, Error=SynthesisError>>
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=<G as CurveAffine>::Projective, Error=SynthesisError>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> bellman/src/multiexp.rs:148:10
[INFO] [stdout]     |
[INFO] [stdout] 148 | ) -> Box<Future<Item=<G as CurveAffine>::Projective, Error=SynthesisError>>
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=<G as CurveAffine>::Projective, Error=SynthesisError>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> bellman/src/multiexp.rs:242:10
[INFO] [stdout]     |
[INFO] [stdout] 242 | ) -> Box<Future<Item=<G as CurveAffine>::Projective, Error=SynthesisError>>
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=<G as CurveAffine>::Projective, Error=SynthesisError>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pairing` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> bellman/src/lib.rs:215:34
[INFO] [stdout]     |
[INFO] [stdout] 215 |             write!(f, "{}", self.description())
[INFO] [stdout]     |                                  ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> bellman/src/lib.rs:215:34
[INFO] [stdout]     |
[INFO] [stdout] 215 |             write!(f, "{}", self.description())
[INFO] [stdout]     |                                  ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]    --> pairing/src/lib.rs:107:62
[INFO] [stdout]     |
[INFO] [stdout] 107 |             [(&(p.into().prepare()), &(q.into().prepare()))].into_iter(),
[INFO] [stdout]     |                                                              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 107 |             [(&(p.into().prepare()), &(q.into().prepare()))].iter(),
[INFO] [stdout]     |                                                              ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 107 |             IntoIterator::into_iter([(&(p.into().prepare()), &(q.into().prepare()))]),
[INFO] [stdout]     |             ++++++++++++++++++++++++                                                ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]   --> bellman/src/groth16/verifier.rs:64:11
[INFO] [stdout]    |
[INFO] [stdout] 64 |         ].into_iter())
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 64 |         ].iter())
[INFO] [stdout]    |           ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 60 ~         &E::miller_loop(IntoIterator::into_iter([
[INFO] [stdout] 61 |             (&proof.a.prepare(), &proof.b.prepare()),
[INFO] [stdout] 62 |             (&acc.into_affine().prepare(), &pvk.neg_gamma_g2),
[INFO] [stdout] 63 |             (&proof.c.prepare(), &pvk.neg_delta_g2)
[INFO] [stdout] 64 ~         ]))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]   --> bellman/src/groth16/verifier.rs:64:11
[INFO] [stdout]    |
[INFO] [stdout] 64 |         ].into_iter())
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 64 |         ].iter())
[INFO] [stdout]    |           ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 60 ~         &E::miller_loop(IntoIterator::into_iter([
[INFO] [stdout] 61 |             (&proof.a.prepare(), &proof.b.prepare()),
[INFO] [stdout] 62 |             (&acc.into_affine().prepare(), &pvk.neg_gamma_g2),
[INFO] [stdout] 63 |             (&proof.c.prepare(), &pvk.neg_delta_g2)
[INFO] [stdout] 64 ~         ]))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2da94d2074b88dbca4db2709f6a5c47cd24f18ef0f2cab15d9efd66d1bd5a35a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2da94d2074b88dbca4db2709f6a5c47cd24f18ef0f2cab15d9efd66d1bd5a35a", kill_on_drop: false }`
[INFO] [stdout] 2da94d2074b88dbca4db2709f6a5c47cd24f18ef0f2cab15d9efd66d1bd5a35a
