[INFO] fetching crate ssb-json-msg 0.1.3...
[INFO] testing ssb-json-msg-0.1.3 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate ssb-json-msg 0.1.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ssb-json-msg 0.1.3 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ssb-json-msg 0.1.3
[INFO] finished tweaking crates.io crate ssb-json-msg 0.1.3
[INFO] tweaked toml for crates.io crate ssb-json-msg 0.1.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df1488808454b3817d1131fd17a7d939b5f928d2bc4f82a80829c8944a13bb92
[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" "df1488808454b3817d1131fd17a7d939b5f928d2bc4f82a80829c8944a13bb92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df1488808454b3817d1131fd17a7d939b5f928d2bc4f82a80829c8944a13bb92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df1488808454b3817d1131fd17a7d939b5f928d2bc4f82a80829c8944a13bb92", kill_on_drop: false }`
[INFO] [stdout] df1488808454b3817d1131fd17a7d939b5f928d2bc4f82a80829c8944a13bb92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72650e33c4203a7d1cca09c850a646b6992e409c052c489dc4ea237bba18c4f3
[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" "72650e33c4203a7d1cca09c850a646b6992e409c052c489dc4ea237bba18c4f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling signature v1.4.0
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling ryu-ecmascript v0.1.1
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling encode_unicode v0.3.6
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling ed25519 v1.3.0
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling libsodium-sys v0.2.7
[INFO] [stderr]    Compiling openssl-sys v0.9.71
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling crypto-hash v0.3.4
[INFO] [stderr]    Compiling ssb-json-msg-data v0.1.2
[INFO] [stderr]    Compiling sodiumoxide v0.2.7
[INFO] [stderr]    Compiling ssb-crypto v0.1.4
[INFO] [stderr]    Compiling ssb-multiformats v0.2.1
[INFO] [stdout] error[E0608]: cannot index into a value of type `&Signature`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ssb-multiformats-0.2.1/src/multikey.rs:245:83
[INFO] [stdout]     |
[INFO] [stdout] 245 |             _Multisig::Ed25519(ref data) => write!(f, "Ed25519 signature: {:?}", &data[..]),
[INFO] [stdout]     |                                                                                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0608]: cannot index into a value of type `&Signature`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ssb-multiformats-0.2.1/src/multikey.rs:253:72
[INFO] [stdout]     |
[INFO] [stdout] 253 |             (_Multisig::Ed25519(ref a), _Multisig::Ed25519(ref b)) => &a[..] == &b[..],
[INFO] [stdout]     |                                                                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0608]: cannot index into a value of type `&Signature`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ssb-multiformats-0.2.1/src/multikey.rs:253:82
[INFO] [stdout]     |
[INFO] [stdout] 253 |             (_Multisig::Ed25519(ref a), _Multisig::Ed25519(ref b)) => &a[..] == &b[..],
[INFO] [stdout]     |                                                                                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `cmp` exists for reference `&Signature`, but its trait bounds were not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ssb-multiformats-0.2.1/src/multikey.rs:269:73
[INFO] [stdout]     |
[INFO] [stdout] 269 |             (_Multisig::Ed25519(ref a), _Multisig::Ed25519(ref b)) => a.cmp(&b),
[INFO] [stdout]     |                                                                         ^^^ method cannot be called on `&Signature` due to unsatisfied trait bounds
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ed25519-1.3.0/src/lib.rs:305:1
[INFO] [stdout]     |
[INFO] [stdout] 305 | pub struct Signature([u8; Signature::BYTE_SIZE]);
[INFO] [stdout]     | -------------------------------------------------
[INFO] [stdout]     | |
[INFO] [stdout]     | doesn't satisfy `Signature: Iterator`
[INFO] [stdout]     | doesn't satisfy `Signature: Ord`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `Signature: Ord`
[INFO] [stdout]             which is required by `&Signature: Ord`
[INFO] [stdout]             `&Signature: Iterator`
[INFO] [stdout]             which is required by `&mut &Signature: Iterator`
[INFO] [stdout]             `Signature: Iterator`
[INFO] [stdout]             which is required by `&mut Signature: Iterator`
[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]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ssb-multiformats-0.2.1/src/multikey.rs:310:48
[INFO] [stdout]     |
[INFO] [stdout] 310 |         Multisig(_Multisig::Ed25519(Signature::from_slice(sig).unwrap()))
[INFO] [stdout]     |                                                ^^^^^^^^^^ function or associated item not found in `Signature`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0608]: cannot index into a value of type `&Signature`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ssb-multiformats-0.2.1/src/multikey.rs:318:51
[INFO] [stdout]     |
[INFO] [stdout] 318 |                 let data = base64::encode_config(&sig[..], base64::STANDARD);
[INFO] [stdout]     |                                                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0608.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ssb-multiformats` due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "72650e33c4203a7d1cca09c850a646b6992e409c052c489dc4ea237bba18c4f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72650e33c4203a7d1cca09c850a646b6992e409c052c489dc4ea237bba18c4f3", kill_on_drop: false }`
[INFO] [stdout] 72650e33c4203a7d1cca09c850a646b6992e409c052c489dc4ea237bba18c4f3