[INFO] fetching crate shs_core 0.3.0...
[INFO] testing shs_core-0.3.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate shs_core 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate shs_core 0.3.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate shs_core 0.3.0
[INFO] finished tweaking crates.io crate shs_core 0.3.0
[INFO] tweaked toml for crates.io crate shs_core 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ssb-crypto v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", 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] 6aba4fc64d91b9ef30472f177e9d1a04d10ff47f04fab11e7ba5a9ec5975a87a
[INFO] running `Command { std: "docker" "start" "-a" "6aba4fc64d91b9ef30472f177e9d1a04d10ff47f04fab11e7ba5a9ec5975a87a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6aba4fc64d91b9ef30472f177e9d1a04d10ff47f04fab11e7ba5a9ec5975a87a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6aba4fc64d91b9ef30472f177e9d1a04d10ff47f04fab11e7ba5a9ec5975a87a", kill_on_drop: false }`
[INFO] [stdout] 6aba4fc64d91b9ef30472f177e9d1a04d10ff47f04fab11e7ba5a9ec5975a87a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--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] a5b4b2df7bfade2a3f9bd1797cdac5ee5425710713f8cb4e329aa61692c4158f
[INFO] running `Command { std: "docker" "start" "-a" "a5b4b2df7bfade2a3f9bd1797cdac5ee5425710713f8cb4e329aa61692c4158f", kill_on_drop: false }`
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling libsodium-sys v0.2.7
[INFO] [stderr]    Compiling sodiumoxide v0.2.7
[INFO] [stderr]    Compiling ssb-crypto v0.1.4
[INFO] [stderr]    Compiling shs_core v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no function or associated item named `from_slice` found for struct `Signature` in the current scope
[INFO] [stdout]    --> src/messages.rs:306:56
[INFO] [stdout]     |
[INFO] [stdout] 306 |                 client_sig: ClientSignature(Signature::from_slice(&sig_bytes)?),
[INFO] [stdout]     |                                                        ^^^^^^^^^^ function or associated item not found in `Signature`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0616]: field `0` of struct `Signature` is private
[INFO] [stdout]    --> src/messages.rs:352:43
[INFO] [stdout]     |
[INFO] [stdout] 352 |         ServerAccept(secretbox::seal(&sig.0[..], &zero_nonce(), &key))
[INFO] [stdout]     |                                           ^ private field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_slice` found for struct `Signature` in the current scope
[INFO] [stdout]    --> src/messages.rs:386:40
[INFO] [stdout]     |
[INFO] [stdout] 386 |             ServerSignature(Signature::from_slice(&v)
[INFO] [stdout]     |                                        ^^^^^^^^^^ function or associated item not found in `Signature`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0616.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `shs_core`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "a5b4b2df7bfade2a3f9bd1797cdac5ee5425710713f8cb4e329aa61692c4158f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5b4b2df7bfade2a3f9bd1797cdac5ee5425710713f8cb4e329aa61692c4158f", kill_on_drop: false }`
[INFO] [stdout] a5b4b2df7bfade2a3f9bd1797cdac5ee5425710713f8cb4e329aa61692c4158f