[INFO] fetching crate serde_cbor_2 0.12.0-dev...
[INFO] checking serde_cbor_2-0.12.0-dev against try#24cd45d7714ba43afd4b8e62fb677b069b21c4a5 for pr-129543
[INFO] extracting crate serde_cbor_2 0.12.0-dev into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate serde_cbor_2 0.12.0-dev on toolchain 24cd45d7714ba43afd4b8e62fb677b069b21c4a5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "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-3-tc2/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" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36c78f5b19fd72b43963664c01267b5be208141cd94fbf53829fa8a598f6b18f
[INFO] running `Command { std: "docker" "start" "-a" "36c78f5b19fd72b43963664c01267b5be208141cd94fbf53829fa8a598f6b18f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36c78f5b19fd72b43963664c01267b5be208141cd94fbf53829fa8a598f6b18f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36c78f5b19fd72b43963664c01267b5be208141cd94fbf53829fa8a598f6b18f", kill_on_drop: false }`
[INFO] [stdout] 36c78f5b19fd72b43963664c01267b5be208141cd94fbf53829fa8a598f6b18f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5806d2f77173b99a5abd5d2a8150a88b54065808e035e14b9985b46e309ab249
[INFO] running `Command { std: "docker" "start" "-a" "5806d2f77173b99a5abd5d2a8150a88b54065808e035e14b9985b46e309ab249", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[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 7.91s
[INFO] running `Command { std: "docker" "inspect" "5806d2f77173b99a5abd5d2a8150a88b54065808e035e14b9985b46e309ab249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5806d2f77173b99a5abd5d2a8150a88b54065808e035e14b9985b46e309ab249", kill_on_drop: false }`
[INFO] [stdout] 5806d2f77173b99a5abd5d2a8150a88b54065808e035e14b9985b46e309ab249