[INFO] fetching crate cbor_event 2.1.3...
[INFO] checking cbor_event-2.1.3 against beta for pr-78714
[INFO] extracting crate cbor_event 2.1.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate cbor_event 2.1.3 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cbor_event 2.1.3
[INFO] finished tweaking crates.io crate cbor_event 2.1.3
[INFO] tweaked toml for crates.io crate cbor_event 2.1.3 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 0480f160d39a3b2a95f0c665b752ba28b244ef7858c9d80f06bb38e3eb827052
[INFO] running `Command { std: "docker" "start" "-a" "0480f160d39a3b2a95f0c665b752ba28b244ef7858c9d80f06bb38e3eb827052", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0480f160d39a3b2a95f0c665b752ba28b244ef7858c9d80f06bb38e3eb827052", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0480f160d39a3b2a95f0c665b752ba28b244ef7858c9d80f06bb38e3eb827052", kill_on_drop: false }`
[INFO] [stdout] 0480f160d39a3b2a95f0c665b752ba28b244ef7858c9d80f06bb38e3eb827052
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] b94a68ff04256fe0f5ca45d313863a5df621ab8e3516dd82a5d359dc83cb3894
[INFO] running `Command { std: "docker" "start" "-a" "b94a68ff04256fe0f5ca45d313863a5df621ab8e3516dd82a5d359dc83cb3894", kill_on_drop: false }`
[INFO] [stderr]     Checking cbor_event v2.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking quickcheck v0.7.2
[INFO] [stdout] warning: constant is never used: `GARBAGE_LEN`
[INFO] [stdout]    --> src/de.rs:811:9
[INFO] [stdout]     |
[INFO] [stdout] 811 |         const GARBAGE_LEN: usize = 7;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.58s
[INFO] running `Command { std: "docker" "inspect" "b94a68ff04256fe0f5ca45d313863a5df621ab8e3516dd82a5d359dc83cb3894", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b94a68ff04256fe0f5ca45d313863a5df621ab8e3516dd82a5d359dc83cb3894", kill_on_drop: false }`
[INFO] [stdout] b94a68ff04256fe0f5ca45d313863a5df621ab8e3516dd82a5d359dc83cb3894