[INFO] fetching crate async-minecraft-ping 0.2.1...
[INFO] checking async-minecraft-ping-0.2.1 against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] extracting crate async-minecraft-ping 0.2.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate async-minecraft-ping 0.2.1 on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-minecraft-ping 0.2.1
[INFO] finished tweaking crates.io crate async-minecraft-ping 0.2.1
[INFO] tweaked toml for crates.io crate async-minecraft-ping 0.2.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate async-minecraft-ping 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt-derive v0.4.5
[INFO] [stderr]   Downloaded async-trait v0.1.29
[INFO] [stderr]   Downloaded thiserror v1.0.14
[INFO] [stderr]   Downloaded thiserror-impl v1.0.14
[INFO] [stderr]   Downloaded tokio v0.2.16
[INFO] [stderr]   Downloaded structopt v0.3.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3378de017b52b57ad70d1c54cb85c5937eef613566e8c7435425bb6c8487e6b2
[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" "3378de017b52b57ad70d1c54cb85c5937eef613566e8c7435425bb6c8487e6b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3378de017b52b57ad70d1c54cb85c5937eef613566e8c7435425bb6c8487e6b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3378de017b52b57ad70d1c54cb85c5937eef613566e8c7435425bb6c8487e6b2", kill_on_drop: false }`
[INFO] [stdout] 3378de017b52b57ad70d1c54cb85c5937eef613566e8c7435425bb6c8487e6b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "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] d2c741cb08312bcba1e5ccd432618c24e0372cc1b7b49fb7124360d8c88aae93
[INFO] running `Command { std: "docker" "start" "-a" "d2c741cb08312bcba1e5ccd432618c24e0372cc1b7b49fb7124360d8c88aae93", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.14
[INFO] [stderr]    Compiling async-trait v0.1.29
[INFO] [stderr]     Checking tokio v0.2.16
[INFO] [stderr]    Compiling structopt-derive v0.4.5
[INFO] [stderr]     Checking thiserror v1.0.14
[INFO] [stderr]     Checking structopt v0.3.12
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking async-minecraft-ping v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `Command { std: "docker" "inspect" "d2c741cb08312bcba1e5ccd432618c24e0372cc1b7b49fb7124360d8c88aae93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2c741cb08312bcba1e5ccd432618c24e0372cc1b7b49fb7124360d8c88aae93", kill_on_drop: false }`
[INFO] [stdout] d2c741cb08312bcba1e5ccd432618c24e0372cc1b7b49fb7124360d8c88aae93
