[INFO] fetching crate ursa 0.3.6...
[INFO] checking ursa-0.3.6 against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] extracting crate ursa 0.3.6 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate ursa 0.3.6 on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "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-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f4a79229cbdb52ecd38a06e010d4fde1005298e8f3b242f1fa410c7f24de10d
[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" "3f4a79229cbdb52ecd38a06e010d4fde1005298e8f3b242f1fa410c7f24de10d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f4a79229cbdb52ecd38a06e010d4fde1005298e8f3b242f1fa410c7f24de10d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f4a79229cbdb52ecd38a06e010d4fde1005298e8f3b242f1fa410c7f24de10d", kill_on_drop: false }`
[INFO] [stdout] 3f4a79229cbdb52ecd38a06e010d4fde1005298e8f3b242f1fa410c7f24de10d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fed7833ce246ba82954329193234e45c734f68ac03f937e8e25d782b7bc11dd
[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" "3fed7833ce246ba82954329193234e45c734f68ac03f937e8e25d782b7bc11dd", kill_on_drop: false }`
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[INFO] [stderr]    Compiling thiserror v1.0.25
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[INFO] [stderr]     Checking serde_bytes v0.11.5
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[INFO] [stderr]     Checking 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] 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: 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] [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" "3fed7833ce246ba82954329193234e45c734f68ac03f937e8e25d782b7bc11dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fed7833ce246ba82954329193234e45c734f68ac03f937e8e25d782b7bc11dd", kill_on_drop: false }`
[INFO] [stdout] 3fed7833ce246ba82954329193234e45c734f68ac03f937e8e25d782b7bc11dd