[INFO] fetching crate olm 0.1.2...
[INFO] checking olm-0.1.2 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate olm 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate olm 0.1.2 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate olm 0.1.2
[INFO] finished tweaking crates.io crate olm 0.1.2
[INFO] tweaked toml for crates.io crate olm 0.1.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c859ddf535145b65dafc41b23ff8e5cd5a3f914a7cda1928b07beb8e7656161d
[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" "c859ddf535145b65dafc41b23ff8e5cd5a3f914a7cda1928b07beb8e7656161d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c859ddf535145b65dafc41b23ff8e5cd5a3f914a7cda1928b07beb8e7656161d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c859ddf535145b65dafc41b23ff8e5cd5a3f914a7cda1928b07beb8e7656161d", kill_on_drop: false }`
[INFO] [stdout] c859ddf535145b65dafc41b23ff8e5cd5a3f914a7cda1928b07beb8e7656161d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 230836eb83f5f166031f479b9d9ab97417efe22e71d9a869caa6ccebaaab8519
[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" "230836eb83f5f166031f479b9d9ab97417efe22e71d9a869caa6ccebaaab8519", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking cpufeatures v0.1.5
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking signature v1.3.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking ed25519 v1.2.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]     Checking zeroize v1.4.1
[INFO] [stderr]     Checking curve25519-dalek v3.2.0
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking olm v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `Keypair: Default` is not satisfied
[INFO] [stdout]    --> src/olm.rs:10:5
[INFO] [stdout]     |
[INFO] [stdout] 8   | #[derive(Default)]
[INFO] [stdout]     |          ------- in this derive macro expansion
[INFO] [stdout] 9   | pub struct Conversation {
[INFO] [stdout] 10  |     keypair: Keypair,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^ the trait `Default` is not implemented for `Keypair`
[INFO] [stdout]     |
[INFO] [stdout] note: required by `std::default::Default::default`
[INFO] [stdout]     = note: this error originates in the derive macro `Default` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `sign` found for reference `&Keypair` in the current scope
[INFO] [stdout]   --> src/olm.rs:44:51
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let signature: Signature = conv.keypair().sign(message);
[INFO] [stdout]    |                                                   ^^^^ method not found in `&Keypair`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]    = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]            `use crate::olm::ed25519_dalek::Signer;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Keypair: Default` is not satisfied
[INFO] [stdout]    --> src/olm.rs:10:5
[INFO] [stdout]     |
[INFO] [stdout] 8   | #[derive(Default)]
[INFO] [stdout]     |          ------- in this derive macro expansion
[INFO] [stdout] 9   | pub struct Conversation {
[INFO] [stdout] 10  |     keypair: Keypair,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^ the trait `Default` is not implemented for `Keypair`
[INFO] [stdout]     |
[INFO] [stdout] note: required by `std::default::Default::default`
[INFO] [stdout]     = note: this error originates in the derive macro `Default` (in Nightly builds, run with -Z macro-backtrace for more info)
[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 E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `olm` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "230836eb83f5f166031f479b9d9ab97417efe22e71d9a869caa6ccebaaab8519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "230836eb83f5f166031f479b9d9ab97417efe22e71d9a869caa6ccebaaab8519", kill_on_drop: false }`
[INFO] [stdout] 230836eb83f5f166031f479b9d9ab97417efe22e71d9a869caa6ccebaaab8519