[INFO] fetching crate ssb-multiformats 0.4.0...
[INFO] checking ssb-multiformats-0.4.0 against try#81275a1445c7502a974118e0c69b795ab60be991 for pr-80243
[INFO] extracting crate ssb-multiformats 0.4.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ssb-multiformats 0.4.0 on toolchain 81275a1445c7502a974118e0c69b795ab60be991
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ssb-multiformats 0.4.0
[INFO] finished tweaking crates.io crate ssb-multiformats 0.4.0
[INFO] tweaked toml for crates.io crate ssb-multiformats 0.4.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate ssb-multiformats 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xsalsa20poly1305 v0.4.2
[INFO] [stderr]   Downloaded ssb-crypto v0.2.1
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee696cd802779c5f413ab13fcd384431f099e5337c39c76a1196ad4fb9be958e
[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" "ee696cd802779c5f413ab13fcd384431f099e5337c39c76a1196ad4fb9be958e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee696cd802779c5f413ab13fcd384431f099e5337c39c76a1196ad4fb9be958e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee696cd802779c5f413ab13fcd384431f099e5337c39c76a1196ad4fb9be958e", kill_on_drop: false }`
[INFO] [stdout] ee696cd802779c5f413ab13fcd384431f099e5337c39c76a1196ad4fb9be958e
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4271d19d2b6548e69b81e331bdbe8cd51602e88957c5356b02594550622ffeb
[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" "d4271d19d2b6548e69b81e331bdbe8cd51602e88957c5356b02594550622ffeb", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking signature v1.2.2
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking ed25519 v1.0.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking stream-cipher v0.4.1
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking crypto-mac v0.9.1
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]     Checking poly1305 v0.6.1
[INFO] [stderr]     Checking hmac v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling zerocopy-derive v0.2.0
[INFO] [stderr]     Checking zeroize v1.1.1
[INFO] [stderr]     Checking curve25519-dalek v3.0.0
[INFO] [stderr]     Checking salsa20 v0.5.2
[INFO] [stderr]     Checking zerocopy v0.3.0
[INFO] [stderr]     Checking xsalsa20poly1305 v0.4.2
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking x25519-dalek v1.1.0
[INFO] [stderr]     Checking ssb-crypto v0.2.1
[INFO] [stderr]     Checking ssb-multiformats v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.09s
[INFO] running `Command { std: "docker" "inspect" "d4271d19d2b6548e69b81e331bdbe8cd51602e88957c5356b02594550622ffeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4271d19d2b6548e69b81e331bdbe8cd51602e88957c5356b02594550622ffeb", kill_on_drop: false }`
[INFO] [stdout] d4271d19d2b6548e69b81e331bdbe8cd51602e88957c5356b02594550622ffeb