[INFO] fetching crate own-ref 0.1.0-alpha...
[INFO] checking own-ref-0.1.0-alpha against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate own-ref 0.1.0-alpha into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate own-ref 0.1.0-alpha on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate own-ref 0.1.0-alpha
[INFO] finished tweaking crates.io crate own-ref 0.1.0-alpha
[INFO] tweaked toml for crates.io crate own-ref 0.1.0-alpha written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "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] [stderr]       Adding ext-trait v1.0.1 (latest: v2.0.0)
[INFO] [stderr]       Adding ext-trait-proc_macros v1.0.1 (latest: v2.0.0)
[INFO] [stderr]       Adding extension-traits v1.0.1 (latest: v2.0.0)
[INFO] [stderr]       Adding macro_rules_attribute v0.1.3 (latest: v0.2.0)
[INFO] [stderr]       Adding macro_rules_attribute-proc_macro v0.1.3 (latest: v0.2.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.76)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ext-trait-proc_macros v1.0.1
[INFO] [stderr]   Downloaded ext-trait v1.0.1
[INFO] [stderr]   Downloaded extension-traits v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8e150326e4a4f3b9022020d33dab777ddbf9b0bef984d11edbc21cfe4d37811
[INFO] running `Command { std: "docker" "start" "-a" "f8e150326e4a4f3b9022020d33dab777ddbf9b0bef984d11edbc21cfe4d37811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8e150326e4a4f3b9022020d33dab777ddbf9b0bef984d11edbc21cfe4d37811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8e150326e4a4f3b9022020d33dab777ddbf9b0bef984d11edbc21cfe4d37811", kill_on_drop: false }`
[INFO] [stdout] f8e150326e4a4f3b9022020d33dab777ddbf9b0bef984d11edbc21cfe4d37811
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 164fafe971656c060541e54baf5d9609b9623f8d6a264e107de6562cd4153e0f
[INFO] running `Command { std: "docker" "start" "-a" "164fafe971656c060541e54baf5d9609b9623f8d6a264e107de6562cd4153e0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling macro_rules_attribute-proc_macro v0.1.3
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling ext-trait-proc_macros v1.0.1
[INFO] [stderr]     Checking macro_rules_attribute v0.1.3
[INFO] [stderr]     Checking ext-trait v1.0.1
[INFO] [stderr]     Checking extension-traits v1.0.1
[INFO] [stderr]     Checking own-ref v0.1.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "164fafe971656c060541e54baf5d9609b9623f8d6a264e107de6562cd4153e0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "164fafe971656c060541e54baf5d9609b9623f8d6a264e107de6562cd4153e0f", kill_on_drop: false }`
[INFO] [stdout] 164fafe971656c060541e54baf5d9609b9623f8d6a264e107de6562cd4153e0f