[INFO] fetching crate mosh-server-upnp 0.2.0...
[INFO] checking mosh-server-upnp-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate mosh-server-upnp 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate mosh-server-upnp 0.2.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mosh-server-upnp 0.2.0
[INFO] finished tweaking crates.io crate mosh-server-upnp 0.2.0
[INFO] tweaked toml for crates.io crate mosh-server-upnp 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate mosh-server-upnp 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded c_linked_list v1.1.1
[INFO] [stderr]   Downloaded get_if_addrs-sys v0.1.1
[INFO] [stderr]   Downloaded unicode-normalization v0.1.21
[INFO] [stderr]   Downloaded get_if_addrs v0.5.3
[INFO] [stderr]   Downloaded itoa v1.0.3
[INFO] [stderr]   Downloaded http v0.2.8
[INFO] [stderr]   Downloaded attohttpc v0.10.1
[INFO] [stderr]   Downloaded xmltree v0.10.3
[INFO] [stderr]   Downloaded libc v0.2.127
[INFO] [stderr]   Downloaded igd v0.11.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e4048564b4445a0a3962324070013d4a6fb2e1c7456b25e680748594635d068
[INFO] running `Command { std: "docker" "start" "-a" "5e4048564b4445a0a3962324070013d4a6fb2e1c7456b25e680748594635d068", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e4048564b4445a0a3962324070013d4a6fb2e1c7456b25e680748594635d068", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e4048564b4445a0a3962324070013d4a6fb2e1c7456b25e680748594635d068", kill_on_drop: false }`
[INFO] [stdout] 5e4048564b4445a0a3962324070013d4a6fb2e1c7456b25e680748594635d068
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e68bc8a02c63b26be529278358e082922bfbc0a17ce91e332b631c81bd0b88e
[INFO] running `Command { std: "docker" "start" "-a" "0e68bc8a02c63b26be529278358e082922bfbc0a17ce91e332b631c81bd0b88e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.127
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]     Checking xml-rs v0.8.4
[INFO] [stderr]     Checking c_linked_list v1.1.1
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking xmltree v0.10.3
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking get_if_addrs v0.5.3
[INFO] [stderr]     Checking unicode-normalization v0.1.21
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking attohttpc v0.10.1
[INFO] [stderr]     Checking igd v0.11.1
[INFO] [stderr]     Checking mosh-server-upnp v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.87s
[INFO] running `Command { std: "docker" "inspect" "0e68bc8a02c63b26be529278358e082922bfbc0a17ce91e332b631c81bd0b88e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e68bc8a02c63b26be529278358e082922bfbc0a17ce91e332b631c81bd0b88e", kill_on_drop: false }`
[INFO] [stdout] 0e68bc8a02c63b26be529278358e082922bfbc0a17ce91e332b631c81bd0b88e