[INFO] fetching crate bobbot 0.4.0...
[INFO] checking bobbot-0.4.0 against beta for pr-78714
[INFO] extracting crate bobbot 0.4.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate bobbot 0.4.0 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 bobbot 0.4.0
[INFO] finished tweaking crates.io crate bobbot 0.4.0
[INFO] tweaked toml for crates.io crate bobbot 0.4.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate bobbot 0.4.0 already has a lockfile, it will not be regenerated
[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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] 70d7b113c2bff686163a0e69c95c1e0aebb968d2c2a6feda53c9c9c26d996aab
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "70d7b113c2bff686163a0e69c95c1e0aebb968d2c2a6feda53c9c9c26d996aab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70d7b113c2bff686163a0e69c95c1e0aebb968d2c2a6feda53c9c9c26d996aab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70d7b113c2bff686163a0e69c95c1e0aebb968d2c2a6feda53c9c9c26d996aab", kill_on_drop: false }`
[INFO] [stdout] 70d7b113c2bff686163a0e69c95c1e0aebb968d2c2a6feda53c9c9c26d996aab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] bebf5bb0f69d9a0ec16db31e884ab17f088db8fcf1f979283b7f1a06e427b9a4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bebf5bb0f69d9a0ec16db31e884ab17f088db8fcf1f979283b7f1a06e427b9a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling serenity v0.9.0
[INFO] [stderr]     Checking typemap_rev v0.1.3
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.14
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling command_attr v0.3.0
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.18.1
[INFO] [stderr]     Checking webpki-roots v0.20.0
[INFO] [stderr]     Checking webpki-roots v0.19.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking tokio-rustls v0.14.1
[INFO] [stderr]     Checking async-tungstenite v0.9.3
[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stderr]     Checking hyper-rustls v0.21.0
[INFO] [stderr]     Checking reqwest v0.10.8
[INFO] [stderr]     Checking bobbot v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `Command { std: "docker" "inspect" "bebf5bb0f69d9a0ec16db31e884ab17f088db8fcf1f979283b7f1a06e427b9a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bebf5bb0f69d9a0ec16db31e884ab17f088db8fcf1f979283b7f1a06e427b9a4", kill_on_drop: false }`
[INFO] [stdout] bebf5bb0f69d9a0ec16db31e884ab17f088db8fcf1f979283b7f1a06e427b9a4