[INFO] fetching crate ssi-core 0.2.0...
[INFO] checking ssi-core-0.2.0 against master#0f442e265c165c0a78633bef98de18517815150c for pr-129073
[INFO] extracting crate ssi-core 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate ssi-core 0.2.0 on toolchain 0f442e265c165c0a78633bef98de18517815150c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0f442e265c165c0a78633bef98de18517815150c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ssi-core 0.2.0
[INFO] finished tweaking crates.io crate ssi-core 0.2.0
[INFO] tweaked toml for crates.io crate ssi-core 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0f442e265c165c0a78633bef98de18517815150c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0f442e265c165c0a78633bef98de18517815150c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0f442e265c165c0a78633bef98de18517815150c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ba3b06aba554832a834661010fbb762a4a9accdec7f671ec18c0d341dd9c5b9
[INFO] running `Command { std: "docker" "start" "-a" "6ba3b06aba554832a834661010fbb762a4a9accdec7f671ec18c0d341dd9c5b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ba3b06aba554832a834661010fbb762a4a9accdec7f671ec18c0d341dd9c5b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ba3b06aba554832a834661010fbb762a4a9accdec7f671ec18c0d341dd9c5b9", kill_on_drop: false }`
[INFO] [stdout] 6ba3b06aba554832a834661010fbb762a4a9accdec7f671ec18c0d341dd9c5b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0f442e265c165c0a78633bef98de18517815150c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d95ff580fb1572161d9a6dec18b4671a8023b6357f02b11f1158f37b444bc3d
[INFO] running `Command { std: "docker" "start" "-a" "6d95ff580fb1572161d9a6dec18b4671a8023b6357f02b11f1158f37b444bc3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.75
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling serde_derive v1.0.208
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling async-trait v0.1.81
[INFO] [stderr]     Checking thiserror v1.0.63
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking serde v1.0.208
[INFO] [stderr]     Checking ssi-core v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.14s
[INFO] running `Command { std: "docker" "inspect" "6d95ff580fb1572161d9a6dec18b4671a8023b6357f02b11f1158f37b444bc3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d95ff580fb1572161d9a6dec18b4671a8023b6357f02b11f1158f37b444bc3d", kill_on_drop: false }`
[INFO] [stdout] 6d95ff580fb1572161d9a6dec18b4671a8023b6357f02b11f1158f37b444bc3d
[ERROR] this task or one of its parent failed!
[ERROR] error sending request for url (https://crater.rust-lang.org/agent-api/record-progress): connection closed before message completed
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking ssi-core-0.2.0 against try#774bd5ba31b89dab12d58c29690ad9f7e5c9f063 for pr-129073
[INFO] extracting crate ssi-core 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate ssi-core 0.2.0 on toolchain 774bd5ba31b89dab12d58c29690ad9f7e5c9f063
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+774bd5ba31b89dab12d58c29690ad9f7e5c9f063" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ssi-core 0.2.0
[INFO] finished tweaking crates.io crate ssi-core 0.2.0
[INFO] tweaked toml for crates.io crate ssi-core 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+774bd5ba31b89dab12d58c29690ad9f7e5c9f063" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+774bd5ba31b89dab12d58c29690ad9f7e5c9f063" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+774bd5ba31b89dab12d58c29690ad9f7e5c9f063" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 416a4d27f47f3da8dd37d862c16b6abc54c5db5ae9ba7a13afa3cacb2123088e
[INFO] running `Command { std: "docker" "start" "-a" "416a4d27f47f3da8dd37d862c16b6abc54c5db5ae9ba7a13afa3cacb2123088e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "416a4d27f47f3da8dd37d862c16b6abc54c5db5ae9ba7a13afa3cacb2123088e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "416a4d27f47f3da8dd37d862c16b6abc54c5db5ae9ba7a13afa3cacb2123088e", kill_on_drop: false }`
[INFO] [stdout] 416a4d27f47f3da8dd37d862c16b6abc54c5db5ae9ba7a13afa3cacb2123088e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+774bd5ba31b89dab12d58c29690ad9f7e5c9f063" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0df5102c5f69b0f8f91a62b4703397fd866ed37753840c5a608c7acd22aa1afe
[INFO] running `Command { std: "docker" "start" "-a" "0df5102c5f69b0f8f91a62b4703397fd866ed37753840c5a608c7acd22aa1afe", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.75
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.208
[INFO] [stderr]    Compiling async-trait v0.1.81
[INFO] [stderr]     Checking thiserror v1.0.63
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking serde v1.0.208
[INFO] [stderr]     Checking ssi-core v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.85s
[INFO] running `Command { std: "docker" "inspect" "0df5102c5f69b0f8f91a62b4703397fd866ed37753840c5a608c7acd22aa1afe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0df5102c5f69b0f8f91a62b4703397fd866ed37753840c5a608c7acd22aa1afe", kill_on_drop: false }`
[INFO] [stdout] 0df5102c5f69b0f8f91a62b4703397fd866ed37753840c5a608c7acd22aa1afe