[INFO] fetching crate tcpserver 1.0.0...
[INFO] checking tcpserver-1.0.0 against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] extracting crate tcpserver 1.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate tcpserver 1.0.0 on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tcpserver 1.0.0
[INFO] finished tweaking crates.io crate tcpserver 1.0.0
[INFO] tweaked toml for crates.io crate tcpserver 1.0.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate tcpserver 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", 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] 079c62c82a8077c99b3f3b35b75697f762d3f6a743648f1c2466456298f7f4a0
[INFO] running `Command { std: "docker" "start" "-a" "079c62c82a8077c99b3f3b35b75697f762d3f6a743648f1c2466456298f7f4a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "079c62c82a8077c99b3f3b35b75697f762d3f6a743648f1c2466456298f7f4a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "079c62c82a8077c99b3f3b35b75697f762d3f6a743648f1c2466456298f7f4a0", kill_on_drop: false }`
[INFO] [stdout] 079c62c82a8077c99b3f3b35b75697f762d3f6a743648f1c2466456298f7f4a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a055baa97657010abe520981f0525c824dcc02eb2d9f10ebcfeae95edc8cfc01
[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" "a055baa97657010abe520981f0525c824dcc02eb2d9f10ebcfeae95edc8cfc01", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.66
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]     Checking bytes v0.6.0
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling tokio v1.4.0
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking futures-micro v0.5.0
[INFO] [stderr]     Checking async-oneshot v0.5.0
[INFO] [stderr]     Checking data-rw v0.2.4
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.21
[INFO] [stderr]     Checking mimalloc v0.1.25
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]     Checking aqueue v1.0.0
[INFO] [stderr]     Checking tcpserver v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.22s
[INFO] running `Command { std: "docker" "inspect" "a055baa97657010abe520981f0525c824dcc02eb2d9f10ebcfeae95edc8cfc01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a055baa97657010abe520981f0525c824dcc02eb2d9f10ebcfeae95edc8cfc01", kill_on_drop: false }`
[INFO] [stdout] a055baa97657010abe520981f0525c824dcc02eb2d9f10ebcfeae95edc8cfc01