[INFO] fetching crate wstcp 0.2.0...
[INFO] checking wstcp-0.2.0 against beta for pr-78714
[INFO] extracting crate wstcp 0.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate wstcp 0.2.0 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 wstcp 0.2.0
[INFO] finished tweaking crates.io crate wstcp 0.2.0
[INFO] tweaked toml for crates.io crate wstcp 0.2.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate wstcp 0.2.0 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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 449917bd7b8720bb60b126a70e9405c72898a7f255a53ddbae2df50074cc7481
[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" "449917bd7b8720bb60b126a70e9405c72898a7f255a53ddbae2df50074cc7481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "449917bd7b8720bb60b126a70e9405c72898a7f255a53ddbae2df50074cc7481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "449917bd7b8720bb60b126a70e9405c72898a7f255a53ddbae2df50074cc7481", kill_on_drop: false }`
[INFO] [stdout] 449917bd7b8720bb60b126a70e9405c72898a7f255a53ddbae2df50074cc7481
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 6ea9a3bedf719aa64329dcc8e689b6b731ce2b98960cee4dff6f3c4947978c5c
[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" "6ea9a3bedf719aa64329dcc8e689b6b731ce2b98960cee4dff6f3c4947978c5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]     Checking libflate v0.1.27
[INFO] [stderr]     Checking async-task v1.3.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking slog-scope v4.3.0
[INFO] [stderr]     Checking slog-async v2.5.0
[INFO] [stderr]     Checking slog-kvfilter v0.7.0
[INFO] [stderr]     Checking slog-term v2.5.0
[INFO] [stderr]     Checking async-std v1.5.0
[INFO] [stderr]     Checking slog-stdlog v3.0.5
[INFO] [stderr]    Compiling trackable_derive v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]     Checking trackable v0.2.23
[INFO] [stderr]     Checking bytecodec v0.4.13
[INFO] [stderr]     Checking httpcodec v0.2.3
[INFO] [stderr]     Checking sloggers v0.3.6
[INFO] [stderr]     Checking wstcp v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.60s
[INFO] running `Command { std: "docker" "inspect" "6ea9a3bedf719aa64329dcc8e689b6b731ce2b98960cee4dff6f3c4947978c5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ea9a3bedf719aa64329dcc8e689b6b731ce2b98960cee4dff6f3c4947978c5c", kill_on_drop: false }`
[INFO] [stdout] 6ea9a3bedf719aa64329dcc8e689b6b731ce2b98960cee4dff6f3c4947978c5c