[INFO] fetching crate serde_cbor 0.11.1...
[INFO] checking serde_cbor-0.11.1 against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015
[INFO] extracting crate serde_cbor 0.11.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate serde_cbor 0.11.1 on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_cbor 0.11.1
[INFO] finished tweaking crates.io crate serde_cbor 0.11.1
[INFO] tweaked toml for crates.io crate serde_cbor 0.11.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate serde_cbor 0.11.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a3496a4b07c2b60ee9b4c4f481dc304eba5464a2a9b9aeff1cc566ff7af7eaa9
[INFO] running `Command { std: "docker" "start" "-a" "a3496a4b07c2b60ee9b4c4f481dc304eba5464a2a9b9aeff1cc566ff7af7eaa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3496a4b07c2b60ee9b4c4f481dc304eba5464a2a9b9aeff1cc566ff7af7eaa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3496a4b07c2b60ee9b4c4f481dc304eba5464a2a9b9aeff1cc566ff7af7eaa9", kill_on_drop: false }`
[INFO] [stdout] a3496a4b07c2b60ee9b4c4f481dc304eba5464a2a9b9aeff1cc566ff7af7eaa9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d0c3784a28d87261e15e170570815e910e0b35f6aa67489939677658d4819ed0
[INFO] running `Command { std: "docker" "start" "-a" "d0c3784a28d87261e15e170570815e910e0b35f6aa67489939677658d4819ed0", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]     Checking half v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking serde_cbor v0.11.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.75s
[INFO] running `Command { std: "docker" "inspect" "d0c3784a28d87261e15e170570815e910e0b35f6aa67489939677658d4819ed0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0c3784a28d87261e15e170570815e910e0b35f6aa67489939677658d4819ed0", kill_on_drop: false }`
[INFO] [stdout] d0c3784a28d87261e15e170570815e910e0b35f6aa67489939677658d4819ed0