[INFO] fetching crate coconut_sig 0.2.2...
[INFO] checking coconut_sig-0.2.2 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate coconut_sig 0.2.2 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate coconut_sig 0.2.2 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate coconut_sig 0.2.2
[INFO] finished tweaking crates.io crate coconut_sig 0.2.2
[INFO] tweaked toml for crates.io crate coconut_sig 0.2.2 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ps_sig v0.2.0
[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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b65b95f33adae19e32a86405289d23b7db55a58ec243835fc82e047a86bdd72c
[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" "b65b95f33adae19e32a86405289d23b7db55a58ec243835fc82e047a86bdd72c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b65b95f33adae19e32a86405289d23b7db55a58ec243835fc82e047a86bdd72c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b65b95f33adae19e32a86405289d23b7db55a58ec243835fc82e047a86bdd72c", kill_on_drop: false }`
[INFO] [stdout] b65b95f33adae19e32a86405289d23b7db55a58ec243835fc82e047a86bdd72c
[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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] a32eba166b1f2b5f00fd76f17bda39ff36479a717776c896c04b20f30a10af7d
[INFO] running `Command { std: "docker" "start" "-a" "a32eba166b1f2b5f00fd76f17bda39ff36479a717776c896c04b20f30a10af7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling zeroize_derive v0.9.3
[INFO] [stderr]     Checking zeroize v0.9.3
[INFO] [stderr]     Checking amcl_wrapper v0.2.3
[INFO] [stderr]     Checking ps_sig v0.2.0
[INFO] [stderr]     Checking secret_sharing v0.1.1
[INFO] [stderr]     Checking coconut_sig v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ps_sig::pok_vc`
[INFO] [stdout]   --> src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use ps_sig::pok_vc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/errors.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | use failure::{Backtrace, Context, Error, Fail};
[INFO] [stdout]   |                                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `secret_sharing::pedersen_dvss::PedersenDVSSParticipant`
[INFO] [stdout]  --> src/keygen.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use secret_sharing::pedersen_dvss::PedersenDVSSParticipant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Params`, `Signature`, `Verkey`
[INFO] [stdout]  --> src/pok_sig.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::signature::{Params, Signature, Verkey};
[INFO] [stdout]   |                        ^^^^^^  ^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SignatureGroupVec`, `SignatureGroup`, `VerkeyGroupVec`, `VerkeyGroup`
[INFO] [stdout]  --> src/pok_sig.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::{VerkeyGroup, VerkeyGroupVec, SignatureGroup, SignatureGroupVec};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `amcl_wrapper::group_elem::GroupElement`
[INFO] [stdout]  --> src/pok_sig.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use amcl_wrapper::group_elem::GroupElement;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ps_sig::keys::Params as PSParams`
[INFO] [stdout]  --> src/pok_sig.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ps_sig::keys::Params as PSParams;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ate_2_pairing`
[INFO] [stdout]  --> src/signature.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{ate_2_pairing, VerkeyGroup, VerkeyGroupVec, SignatureGroup, SignatureGroupVec};
[INFO] [stdout]   |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ps_sig::pok_vc`
[INFO] [stdout]   --> src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use ps_sig::pok_vc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/errors.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | use failure::{Backtrace, Context, Error, Fail};
[INFO] [stdout]   |                                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SignatureGroupVec`, `SignatureGroup`, `VerkeyGroupVec`, `VerkeyGroup`
[INFO] [stdout]  --> src/pok_sig.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::{VerkeyGroup, VerkeyGroupVec, SignatureGroup, SignatureGroupVec};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ps_sig::keys::Params as PSParams`
[INFO] [stdout]  --> src/pok_sig.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ps_sig::keys::Params as PSParams;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ate_2_pairing`
[INFO] [stdout]  --> src/signature.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{ate_2_pairing, VerkeyGroup, VerkeyGroupVec, SignatureGroup, SignatureGroupVec};
[INFO] [stdout]   |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |             Fail::iter_causes(&err)
[INFO] [stdout]    |             ^^^^ help: use `dyn`: `<dyn Fail>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |             Fail::iter_causes(&err)
[INFO] [stdout]    |             ^^^^ help: use `dyn`: `<dyn Fail>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `amcl_wrapper::group_elem::GroupElement`
[INFO] [stdout]  --> src/pok_sig.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use amcl_wrapper::group_elem::GroupElement;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.89s
[INFO] running `Command { std: "docker" "inspect" "a32eba166b1f2b5f00fd76f17bda39ff36479a717776c896c04b20f30a10af7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a32eba166b1f2b5f00fd76f17bda39ff36479a717776c896c04b20f30a10af7d", kill_on_drop: false }`
[INFO] [stdout] a32eba166b1f2b5f00fd76f17bda39ff36479a717776c896c04b20f30a10af7d