[INFO] fetching crate libsignify 0.6.0...
[INFO] testing libsignify-0.6.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate libsignify 0.6.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate libsignify 0.6.0
[INFO] finished tweaking crates.io crate libsignify 0.6.0
[INFO] tweaked toml for crates.io crate libsignify 0.6.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate libsignify 0.6.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate libsignify 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded curve25519-dalek-derive v0.1.0
[INFO] [stderr]   Downloaded platforms v3.1.2
[INFO] [stderr]   Downloaded blowfish v0.9.1
[INFO] [stderr]   Downloaded semver v1.0.19
[INFO] [stderr]   Downloaded bcrypt-pbkdf v0.10.0
[INFO] [stderr]   Downloaded ed25519 v2.2.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.67
[INFO] [stderr]   Downloaded syn v2.0.37
[INFO] [stderr]   Downloaded fiat-crypto v0.2.1
[INFO] [stderr]   Downloaded libc v0.2.148
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94f36e1966003e5c26f34e0b1d362c61e499bd8ea22883c28790e4e5aea7e26c
[INFO] running `Command { std: "docker" "start" "-a" "94f36e1966003e5c26f34e0b1d362c61e499bd8ea22883c28790e4e5aea7e26c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94f36e1966003e5c26f34e0b1d362c61e499bd8ea22883c28790e4e5aea7e26c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94f36e1966003e5c26f34e0b1d362c61e499bd8ea22883c28790e4e5aea7e26c", kill_on_drop: false }`
[INFO] [stdout] 94f36e1966003e5c26f34e0b1d362c61e499bd8ea22883c28790e4e5aea7e26c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71245ea0f3fd2429bb6df9886138865fe928411061e0ff932364f2bcb88a70d7
[INFO] running `Command { std: "docker" "start" "-a" "71245ea0f3fd2429bb6df9886138865fe928411061e0ff932364f2bcb88a70d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling semver v1.0.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling cpufeatures v0.2.9
[INFO] [stderr]    Compiling platforms v3.1.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling signature v2.1.0
[INFO] [stderr]    Compiling zeroize v1.6.0
[INFO] [stderr]    Compiling ed25519 v2.2.2
[INFO] [stderr]    Compiling base64ct v1.6.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling curve25519-dalek v4.1.1
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling inout v0.1.3
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling blowfish v0.9.1
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling pbkdf2 v0.12.2
[INFO] [stderr]    Compiling bcrypt-pbkdf v0.10.0
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.0
[INFO] [stderr]    Compiling ed25519-dalek v2.0.0
[INFO] [stderr]    Compiling libsignify v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.29s
[INFO] running `Command { std: "docker" "inspect" "71245ea0f3fd2429bb6df9886138865fe928411061e0ff932364f2bcb88a70d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71245ea0f3fd2429bb6df9886138865fe928411061e0ff932364f2bcb88a70d7", kill_on_drop: false }`
[INFO] [stdout] 71245ea0f3fd2429bb6df9886138865fe928411061e0ff932364f2bcb88a70d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ba8ce95d24aa75e52768149749ff5a1ad9ed41ca4ac4f6bc9daaa05796dff0d
[INFO] running `Command { std: "docker" "start" "-a" "0ba8ce95d24aa75e52768149749ff5a1ad9ed41ca4ac4f6bc9daaa05796dff0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libsignify v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: `?` couldn't convert the error: `libsignify::Error: std::error::Error` is not satisfied
[INFO] [stdout]   --> examples/basic.rs:25:53
[INFO] [stdout]    |
[INFO] [stdout]  7 | fn main() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |              -------------------------------------- required `libsignify::Error: std::error::Error` because of this
[INFO] [stdout] ...
[INFO] [stdout] 25 |         PublicKey::from_base64(&public_key_contents)?
[INFO] [stdout]    |         --------------------------------------------^ the trait `std::error::Error` is not implemented for `libsignify::Error`
[INFO] [stdout]    |         |
[INFO] [stdout]    |         this has type `Result<_, libsignify::Error>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]    = note: required for `Box<dyn std::error::Error>` to implement `From<libsignify::Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `?` couldn't convert the error: `libsignify::Error: std::error::Error` is not satisfied
[INFO] [stdout]   --> examples/basic.rs:33:52
[INFO] [stdout]    |
[INFO] [stdout]  7 | fn main() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |              -------------------------------------- required `libsignify::Error: std::error::Error` because of this
[INFO] [stdout] ...
[INFO] [stdout] 33 |         Signature::from_base64(&signature_contents)?
[INFO] [stdout]    |         -------------------------------------------^ the trait `std::error::Error` is not implemented for `libsignify::Error`
[INFO] [stdout]    |         |
[INFO] [stdout]    |         this has type `Result<_, libsignify::Error>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]    = note: required for `Box<dyn std::error::Error>` to implement `From<libsignify::Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `libsignify::Error: std::error::Error` is not satisfied
[INFO] [stdout]   --> examples/basic.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |             Err(Box::new(e))
[INFO] [stdout]    |                 ^^^^^^^^^^^ the trait `std::error::Error` is not implemented for `libsignify::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for the cast from `Box<libsignify::Error>` to `Box<dyn std::error::Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libsignify` (example "basic") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0425]: cannot find value `OsRng` in crate `rand_core`
[INFO] [stdout]    --> src/encoding.rs:262:34
[INFO] [stdout]     |
[INFO] [stdout] 262 |         let mut rng = rand_core::OsRng;
[INFO] [stdout]     |                                  ^^^^^ not found in `rand_core`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand_core-0.6.4/src/lib.rs:49:43
[INFO] [stdout]     |
[INFO] [stdout]  49 | #[cfg(feature = "getrandom")] pub use os::OsRng;
[INFO] [stdout]     |       ---------------------               ^^^^^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       the item is gated behind the `getrandom` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libsignify` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "0ba8ce95d24aa75e52768149749ff5a1ad9ed41ca4ac4f6bc9daaa05796dff0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ba8ce95d24aa75e52768149749ff5a1ad9ed41ca4ac4f6bc9daaa05796dff0d", kill_on_drop: false }`
[INFO] [stdout] 0ba8ce95d24aa75e52768149749ff5a1ad9ed41ca4ac4f6bc9daaa05796dff0d
