[INFO] fetching crate ssb-multiformats 0.4.1...
[INFO] checking ssb-multiformats-0.4.1 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate ssb-multiformats 0.4.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ssb-multiformats 0.4.1 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ssb-multiformats 0.4.1
[INFO] finished tweaking crates.io crate ssb-multiformats 0.4.1
[INFO] tweaked toml for crates.io crate ssb-multiformats 0.4.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate ssb-multiformats 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libsodium-sys v0.2.6
[INFO] [stderr]   Downloaded sodiumoxide v0.2.6
[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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f2609350ffd605c3b70acff3a38fea1a65972fa74e9024929ae3274b5e8bb20
[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" "8f2609350ffd605c3b70acff3a38fea1a65972fa74e9024929ae3274b5e8bb20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f2609350ffd605c3b70acff3a38fea1a65972fa74e9024929ae3274b5e8bb20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f2609350ffd605c3b70acff3a38fea1a65972fa74e9024929ae3274b5e8bb20", kill_on_drop: false }`
[INFO] [stdout] 8f2609350ffd605c3b70acff3a38fea1a65972fa74e9024929ae3274b5e8bb20
[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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44eebe40e8d64e9e8ade9664e917206c0deb58a26056781685b294bec7989470
[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" "44eebe40e8d64e9e8ade9664e917206c0deb58a26056781685b294bec7989470", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking signature v1.3.0
[INFO] [stderr]     Checking cpuid-bool v0.2.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]     Checking ed25519 v1.1.1
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking crypto-mac v0.10.0
[INFO] [stderr]     Checking poly1305 v0.6.2
[INFO] [stderr]     Checking hmac v0.10.1
[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]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]    Compiling zerocopy-derive v0.2.0
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking curve25519-dalek v3.1.0
[INFO] [stderr]     Checking salsa20 v0.7.2
[INFO] [stderr]     Checking xsalsa20poly1305 v0.6.0
[INFO] [stderr]     Checking zerocopy v0.3.0
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking x25519-dalek v1.1.1
[INFO] [stderr]     Checking ssb-crypto v0.2.2
[INFO] [stderr]     Checking ssb-multiformats v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.49s
[INFO] running `Command { std: "docker" "inspect" "44eebe40e8d64e9e8ade9664e917206c0deb58a26056781685b294bec7989470", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44eebe40e8d64e9e8ade9664e917206c0deb58a26056781685b294bec7989470", kill_on_drop: false }`
[INFO] [stdout] 44eebe40e8d64e9e8ade9664e917206c0deb58a26056781685b294bec7989470