[INFO] cloning repository https://github.com/DusterTheFirst/mcproxy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DusterTheFirst/mcproxy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDusterTheFirst%2Fmcproxy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDusterTheFirst%2Fmcproxy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd71d0d7c0b39b3fc629faa6c87c0cb7a1526d3c
[INFO] checking DusterTheFirst/mcproxy against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDusterTheFirst%2Fmcproxy" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DusterTheFirst/mcproxy 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 git repo https://github.com/DusterTheFirst/mcproxy
[INFO] finished tweaking git repo https://github.com/DusterTheFirst/mcproxy
[INFO] tweaked toml for git repo https://github.com/DusterTheFirst/mcproxy written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/DusterTheFirst/mcproxy 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded humantime v2.0.0
[INFO] [stderr]   Downloaded kv-log-macro v1.0.4
[INFO] [stderr]   Downloaded broadcaster v1.0.0
[INFO] [stderr]   Downloaded async-task v1.3.1
[INFO] [stderr]   Downloaded async-attributes v1.1.1
[INFO] [stderr]   Downloaded serde v1.0.99
[INFO] [stderr]   Downloaded futures-timer v2.0.2
[INFO] [stderr]   Downloaded async-trait v0.1.24
[INFO] [stderr]   Downloaded async-std v1.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] a18056fd8c0729b93f0f8acc3337ca1d4d32cfc10fcd274089bba85cfb325311
[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" "a18056fd8c0729b93f0f8acc3337ca1d4d32cfc10fcd274089bba85cfb325311", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a18056fd8c0729b93f0f8acc3337ca1d4d32cfc10fcd274089bba85cfb325311", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a18056fd8c0729b93f0f8acc3337ca1d4d32cfc10fcd274089bba85cfb325311", kill_on_drop: false }`
[INFO] [stdout] a18056fd8c0729b93f0f8acc3337ca1d4d32cfc10fcd274089bba85cfb325311
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] b54d0e63d632748f076b4175c343ff73addacb8270d775b04855dd8d5fb9f40d
[INFO] running `Command { std: "docker" "start" "-a" "b54d0e63d632748f076b4175c343ff73addacb8270d775b04855dd8d5fb9f40d", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.3.2
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling argh_shared v0.1.1
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]     Checking humantime v2.0.0
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking aho-corasick v0.7.8
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking async-task v1.3.1
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling argh_derive v0.1.1
[INFO] [stderr]    Compiling async-trait v0.1.24
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]     Checking argh v0.1.3
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking broadcaster v1.0.0
[INFO] [stderr]     Checking async-std v1.5.0
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking mcproxy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 31s
[INFO] running `Command { std: "docker" "inspect" "b54d0e63d632748f076b4175c343ff73addacb8270d775b04855dd8d5fb9f40d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b54d0e63d632748f076b4175c343ff73addacb8270d775b04855dd8d5fb9f40d", kill_on_drop: false }`
[INFO] [stdout] b54d0e63d632748f076b4175c343ff73addacb8270d775b04855dd8d5fb9f40d
