[INFO] fetching crate tailscale 0.1.1...
[INFO] checking tailscale-0.1.1 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate tailscale 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate tailscale 0.1.1 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tailscale 0.1.1
[INFO] finished tweaking crates.io crate tailscale 0.1.1
[INFO] tweaked toml for crates.io crate tailscale 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pnet_base v0.26.0
[INFO] [stderr]   Downloaded syntex_pos v0.42.0
[INFO] [stderr]   Downloaded syntex v0.42.2
[INFO] [stderr]   Downloaded pnet v0.26.0
[INFO] [stderr]   Downloaded pnet_packet v0.26.0
[INFO] [stderr]   Downloaded pnet_datalink v0.26.0
[INFO] [stderr]   Downloaded pnet_transport v0.26.0
[INFO] [stderr]   Downloaded pnet_macros_support v0.26.0
[INFO] [stderr]   Downloaded pnet_sys v0.26.0
[INFO] [stderr]   Downloaded unicode-xid v0.0.3
[INFO] [stderr]   Downloaded pnet_macros v0.26.0
[INFO] [stderr]   Downloaded syntex_errors v0.42.0
[INFO] [stderr]   Downloaded syntex_syntax v0.42.0
[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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d06cfc138cd61d5855c7902c77a8a28db32b93a83f53a63bb70a648c6f95fbe
[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" "1d06cfc138cd61d5855c7902c77a8a28db32b93a83f53a63bb70a648c6f95fbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d06cfc138cd61d5855c7902c77a8a28db32b93a83f53a63bb70a648c6f95fbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d06cfc138cd61d5855c7902c77a8a28db32b93a83f53a63bb70a648c6f95fbe", kill_on_drop: false }`
[INFO] [stdout] 1d06cfc138cd61d5855c7902c77a8a28db32b93a83f53a63bb70a648c6f95fbe
[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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbaf611867f902d607bb978bb33b7757368af91d92c4e9843bcc90b2318dd251
[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" "fbaf611867f902d607bb978bb33b7757368af91d92c4e9843bcc90b2318dd251", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking pnet_base v0.26.0
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling pnet v0.26.0
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]     Checking pnet_macros_support v0.26.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]     Checking pnet_sys v0.26.0
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]     Checking ipnetwork v0.16.0
[INFO] [stderr]     Checking pnet_datalink v0.26.0
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.26.0
[INFO] [stderr]    Compiling pnet_packet v0.26.0
[INFO] [stderr]     Checking pnet_transport v0.26.0
[INFO] [stderr]     Checking tailscale v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "fbaf611867f902d607bb978bb33b7757368af91d92c4e9843bcc90b2318dd251", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbaf611867f902d607bb978bb33b7757368af91d92c4e9843bcc90b2318dd251", kill_on_drop: false }`
[INFO] [stdout] fbaf611867f902d607bb978bb33b7757368af91d92c4e9843bcc90b2318dd251