[INFO] fetching crate mc-server-pinger 0.1.0-alpha.4...
[INFO] checking mc-server-pinger-0.1.0-alpha.4 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate mc-server-pinger 0.1.0-alpha.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate mc-server-pinger 0.1.0-alpha.4 on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mc-server-pinger 0.1.0-alpha.4
[INFO] finished tweaking crates.io crate mc-server-pinger 0.1.0-alpha.4
[INFO] tweaked toml for crates.io crate mc-server-pinger 0.1.0-alpha.4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate mc-server-pinger 0.1.0-alpha.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded craftping v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a64b68a8bdc0fa1be5119ee11f49d96f473db411aacdb3d95b548642cc5947a
[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" "8a64b68a8bdc0fa1be5119ee11f49d96f473db411aacdb3d95b548642cc5947a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a64b68a8bdc0fa1be5119ee11f49d96f473db411aacdb3d95b548642cc5947a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a64b68a8bdc0fa1be5119ee11f49d96f473db411aacdb3d95b548642cc5947a", kill_on_drop: false }`
[INFO] [stdout] 8a64b68a8bdc0fa1be5119ee11f49d96f473db411aacdb3d95b548642cc5947a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "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] 918a15a6007b619f4ec9a265c03c4c6a04446383e9c96238118b3a127e1add8f
[INFO] running `Command { std: "docker" "start" "-a" "918a15a6007b619f4ec9a265c03c4c6a04446383e9c96238118b3a127e1add8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling peg-runtime v0.6.3
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling tokio v1.3.0
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.63
[INFO] [stderr]    Compiling peg-macros v0.6.3
[INFO] [stderr]     Checking mio v0.7.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking peg v0.6.3
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking serde v1.0.124
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking craftping v0.2.1
[INFO] [stderr]     Checking mc-server-pinger v0.1.0-alpha.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.32s
[INFO] running `Command { std: "docker" "inspect" "918a15a6007b619f4ec9a265c03c4c6a04446383e9c96238118b3a127e1add8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "918a15a6007b619f4ec9a265c03c4c6a04446383e9c96238118b3a127e1add8f", kill_on_drop: false }`
[INFO] [stdout] 918a15a6007b619f4ec9a265c03c4c6a04446383e9c96238118b3a127e1add8f