[INFO] fetching crate ursa 0.3.6...
[INFO] testing ursa-0.3.6 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate ursa 0.3.6 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate ursa 0.3.6 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ursa 0.3.6
[INFO] finished tweaking crates.io crate ursa 0.3.6
[INFO] tweaked toml for crates.io crate ursa 0.3.6 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stderr]    Compiling secp256k1 v0.19.0
[INFO] [stderr]    Compiling ed25519-dalek v1.0.1
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[INFO] [stderr]    Compiling ursa v0.3.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors/mod.rs:92:22
[INFO] [stdout]    |
[INFO] [stdout] 92 |         for cause in Fail::iter_chain(&self.inner) {
[INFO] [stdout]    |                      ^^^^ help: use `dyn`: `<dyn Fail>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PUBLIC_UNCOMPRESSED_KEY_SIZE`
[INFO] [stdout]    --> src/kex/secp256k1.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 133 |     const PUBLIC_UNCOMPRESSED_KEY_SIZE: usize = 65;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "1be51356d6dfae2fd0ce196b3e4a2ad55c177dddb5ac8fd39f85af3d526241f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1be51356d6dfae2fd0ce196b3e4a2ad55c177dddb5ac8fd39f85af3d526241f7", kill_on_drop: false }`
[INFO] [stdout] 1be51356d6dfae2fd0ce196b3e4a2ad55c177dddb5ac8fd39f85af3d526241f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ec7be32987db7b668fa07066218b67ae4f4dbf646c6ddaa4d2f282e13b8631f
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[INFO] [stderr]    Compiling ucd-trie v0.1.3
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[INFO] [stderr]    Compiling curl-sys v0.4.44+curl-7.77.0
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[INFO] [stderr]    Compiling humantime v1.3.0
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[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling serde_cbor v0.11.1
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[INFO] [stderr]    Compiling tinytemplate v1.2.1
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[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors/mod.rs:92:22
[INFO] [stdout]    |
[INFO] [stdout] 92 |         for cause in Fail::iter_chain(&self.inner) {
[INFO] [stdout]    |                      ^^^^ help: use `dyn`: `<dyn Fail>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PUBLIC_UNCOMPRESSED_KEY_SIZE`
[INFO] [stdout]    --> src/kex/secp256k1.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 133 |     const PUBLIC_UNCOMPRESSED_KEY_SIZE: usize = 65;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tar v0.4.35
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling bzip2 v0.4.2
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling plotters v0.3.0
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling thiserror v1.0.25
[INFO] [stderr]    Compiling zip v0.5.13
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[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling criterion v0.3.4
[INFO] [stderr]    Compiling libsodium-ffi v0.2.2
[INFO] [stderr]    Compiling ursa v0.3.6 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: maybe a missing crate `libsecp256k1`?
[INFO] [stdout]    --> src/kex/secp256k1.rs:230:13
[INFO] [stdout]     |
[INFO] [stdout] 230 |         use libsecp256k1::{
[INFO] [stdout]     |             ^^^^^^^^^^^^ maybe a missing crate `libsecp256k1`?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SecretKey`
[INFO] [stdout]    --> src/kex/secp256k1.rs:238:19
[INFO] [stdout]     |
[INFO] [stdout] 238 |         let sk1 = SecretKey::from_slice(&sk[..]).unwrap();
[INFO] [stdout]     |                   ^^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 203 |     use bitcoinsecp256k1::SecretKey;
[INFO] [stdout]     |
[INFO] [stdout] 203 |     use ed25519_dalek::SecretKey;
[INFO] [stdout]     |
[INFO] [stdout] 203 |     use k256::SecretKey;
[INFO] [stdout]     |
[INFO] [stdout] 203 |     use k256::elliptic_curve::SecretKey;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SharedSecret`
[INFO] [stdout]    --> src/kex/secp256k1.rs:240:22
[INFO] [stdout]     |
[INFO] [stdout] 240 |         let secret = SharedSecret::new(&pk1, &sk1);
[INFO] [stdout]     |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 203 |     use bitcoinsecp256k1::ecdh::SharedSecret;
[INFO] [stdout]     |
[INFO] [stdout] 203 |     use k256::ecdh::SharedSecret;
[INFO] [stdout]     |
[INFO] [stdout] 203 |     use k256::elliptic_curve::ecdh::SharedSecret;
[INFO] [stdout]     |
[INFO] [stdout] 203 |     use x25519_dalek::SharedSecret;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors/mod.rs:92:22
[INFO] [stdout]    |
[INFO] [stdout] 92 |         for cause in Fail::iter_chain(&self.inner) {
[INFO] [stdout]    |                      ^^^^ help: use `dyn`: `<dyn Fail>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_slice` found for struct `keys::PublicKey` in the current scope
[INFO] [stdout]    --> src/kex/secp256k1.rs:239:30
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let pk1 = PublicKey::from_slice(&pk[..]).unwrap();
[INFO] [stdout]     |                              ^^^^^^^^^^ function or associated item not found in `keys::PublicKey`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/keys.rs:11:1
[INFO] [stdout]     |
[INFO] [stdout] 11  | pub struct PublicKey(pub Vec<u8>);
[INFO] [stdout]     | ---------------------------------- function or associated item `from_slice` not found for this
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the following trait defines an item `from_slice`, perhaps you need to implement it:
[INFO] [stdout]             candidate #1: `bstr::ByteVec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ursa`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "2ec7be32987db7b668fa07066218b67ae4f4dbf646c6ddaa4d2f282e13b8631f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ec7be32987db7b668fa07066218b67ae4f4dbf646c6ddaa4d2f282e13b8631f", kill_on_drop: false }`
[INFO] [stdout] 2ec7be32987db7b668fa07066218b67ae4f4dbf646c6ddaa4d2f282e13b8631f