[INFO] fetching crate shs_core 0.3.0...
[INFO] testing shs_core-0.3.0 against try#0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6 for pr-137122-1
[INFO] extracting crate shs_core 0.3.0 into /workspace/builds/worker-0-tc2/source
[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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate shs_core 0.3.0 on toolchain 0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 68 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.2.11 (available: v0.6.0)
[INFO] [stderr]       Adding quick-error v1.2.3 (available: v2.0.1)
[INFO] [stderr]       Adding ssb-crypto v0.1.4 (available: v0.2.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44235c62d15eb59cccb87a9ab385c430cf560464b739a2356d76463256791a4b
[INFO] running `Command { std: "docker" "start" "-a" "44235c62d15eb59cccb87a9ab385c430cf560464b739a2356d76463256791a4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44235c62d15eb59cccb87a9ab385c430cf560464b739a2356d76463256791a4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44235c62d15eb59cccb87a9ab385c430cf560464b739a2356d76463256791a4b", kill_on_drop: false }`
[INFO] [stdout] 44235c62d15eb59cccb87a9ab385c430cf560464b739a2356d76463256791a4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1c8023ca0b9877a4acd6d6f1ece5cb80960fb26726f94d5a18726e2353b7f5a
[INFO] running `Command { std: "docker" "start" "-a" "c1c8023ca0b9877a4acd6d6f1ece5cb80960fb26726f94d5a18726e2353b7f5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling signature v1.6.4
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling ed25519 v1.5.3
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling cc v1.2.27
[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] note: if you're trying to build a new `Signature` consider using one of the following associated functions:
[INFO] [stdout]       Signature::from_bytes
[INFO] [stdout]       Signature::new
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ed25519-1.5.3/src/lib.rs:291:5
[INFO] [stdout]     |
[INFO] [stdout] 291 |     pub fn from_bytes(bytes: &[u8]) -> signature::Result<Self> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 330 |     pub fn new(bytes: [u8; Self::BYTE_SIZE]) -> Self {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: there is an associated function `from_str` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 306 -                 client_sig: ClientSignature(Signature::from_slice(&sig_bytes)?),
[INFO] [stdout] 306 +                 client_sig: ClientSignature(Signature::from_str(&sig_bytes)?),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `shs_core` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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] note: if you're trying to build a new `Signature` consider using one of the following associated functions:
[INFO] [stdout]       Signature::from_bytes
[INFO] [stdout]       Signature::new
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ed25519-1.5.3/src/lib.rs:291:5
[INFO] [stdout]     |
[INFO] [stdout] 291 |     pub fn from_bytes(bytes: &[u8]) -> signature::Result<Self> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 330 |     pub fn new(bytes: [u8; Self::BYTE_SIZE]) -> Self {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: there is an associated function `from_str` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 386 -             ServerSignature(Signature::from_slice(&v)
[INFO] [stdout] 386 +             ServerSignature(Signature::from_str(&v)
[INFO] [stdout]     |
[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] running `Command { std: "docker" "inspect" "c1c8023ca0b9877a4acd6d6f1ece5cb80960fb26726f94d5a18726e2353b7f5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1c8023ca0b9877a4acd6d6f1ece5cb80960fb26726f94d5a18726e2353b7f5a", kill_on_drop: false }`
[INFO] [stdout] c1c8023ca0b9877a4acd6d6f1ece5cb80960fb26726f94d5a18726e2353b7f5a