[INFO] fetching crate serde_cbor_2 0.12.0-dev...
[INFO] checking serde_cbor_2-0.12.0-dev against master#38352b01ae4af9300be03b805d6db68c45e51068 for pr-129864
[INFO] extracting crate serde_cbor_2 0.12.0-dev into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate serde_cbor_2 0.12.0-dev on toolchain 38352b01ae4af9300be03b805d6db68c45e51068
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_cbor_2 0.12.0-dev
[INFO] finished tweaking crates.io crate serde_cbor_2 0.12.0-dev
[INFO] tweaked toml for crates.io crate serde_cbor_2 0.12.0-dev written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate serde_cbor_2 0.12.0-dev already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59eb0df738a2601a57ffaaf1a68ee1ee679a6449d7777e299d62e922e6c259a4
[INFO] running `Command { std: "docker" "start" "-a" "59eb0df738a2601a57ffaaf1a68ee1ee679a6449d7777e299d62e922e6c259a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59eb0df738a2601a57ffaaf1a68ee1ee679a6449d7777e299d62e922e6c259a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59eb0df738a2601a57ffaaf1a68ee1ee679a6449d7777e299d62e922e6c259a4", kill_on_drop: false }`
[INFO] [stdout] 59eb0df738a2601a57ffaaf1a68ee1ee679a6449d7777e299d62e922e6c259a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7afae8f20cd4a45c0ec1b3a3d788bddb45287bb56a140299b0c754b341ce525f
[INFO] running `Command { std: "docker" "start" "-a" "7afae8f20cd4a45c0ec1b3a3d788bddb45287bb56a140299b0c754b341ce525f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking serde_cbor_2 v0.12.0-dev (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.98s
[INFO] running `Command { std: "docker" "inspect" "7afae8f20cd4a45c0ec1b3a3d788bddb45287bb56a140299b0c754b341ce525f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7afae8f20cd4a45c0ec1b3a3d788bddb45287bb56a140299b0c754b341ce525f", kill_on_drop: false }`
[INFO] [stdout] 7afae8f20cd4a45c0ec1b3a3d788bddb45287bb56a140299b0c754b341ce525f