[INFO] cloning repository https://github.com/occanowey/mc_router
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/occanowey/mc_router" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foccanowey%2Fmc_router", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foccanowey%2Fmc_router'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 806554f282e25ad0b3b018f429fc54b714f839cd
[INFO] checking occanowey/mc_router against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foccanowey%2Fmc_router" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/occanowey/mc_router 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 git repo https://github.com/occanowey/mc_router
[INFO] finished tweaking git repo https://github.com/occanowey/mc_router
[INFO] tweaked toml for git repo https://github.com/occanowey/mc_router written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/occanowey/mc_router 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]     Updating git repository `https://github.com/occanowey/mcproto`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hostname-validator v1.1.1
[INFO] [stderr]   Downloaded tracing-appender v0.2.2
[INFO] [stderr]   Downloaded git-version v0.3.5
[INFO] [stderr]   Downloaded unsafe-libyaml v0.2.1
[INFO] [stderr]   Downloaded git-version-macro v0.3.5
[INFO] [stderr]   Downloaded cfb8 v0.7.1
[INFO] [stderr]   Downloaded serde_yaml v0.9.2
[INFO] [stderr]   Downloaded tracing-logfmt v0.1.2
[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] 91760bd3b2a5aeefdafd5047fa6e9b8d8b58030a369e6153b94279b10d456a05
[INFO] running `Command { std: "docker" "start" "-a" "91760bd3b2a5aeefdafd5047fa6e9b8d8b58030a369e6153b94279b10d456a05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91760bd3b2a5aeefdafd5047fa6e9b8d8b58030a369e6153b94279b10d456a05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91760bd3b2a5aeefdafd5047fa6e9b8d8b58030a369e6153b94279b10d456a05", kill_on_drop: false }`
[INFO] [stdout] 91760bd3b2a5aeefdafd5047fa6e9b8d8b58030a369e6153b94279b10d456a05
[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] f93039ac16653d914da8c7d330383b6c377fd0552d65f45e5c320385d8579a38
[INFO] running `Command { std: "docker" "start" "-a" "f93039ac16653d914da8c7d330383b6c377fd0552d65f45e5c320385d8579a38", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.42
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling serde v1.0.140
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]     Checking tracing-core v0.1.29
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]    Compiling anyhow v1.0.59
[INFO] [stderr]     Checking time v0.3.11
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking cfb8 v0.7.1
[INFO] [stderr]     Checking aes v0.7.5
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking unsafe-libyaml v0.2.1
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking hostname-validator v1.1.1
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.140
[INFO] [stderr]    Compiling tracing-attributes v0.1.22
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling git-version-macro v0.3.5
[INFO] [stderr]    Compiling packet_derive v0.1.0 (https://github.com/occanowey/mcproto?rev=963cf11#963cf11f)
[INFO] [stderr]     Checking git-version v0.3.5
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking tracing v0.1.36
[INFO] [stderr]     Checking mcproto v0.1.0 (https://github.com/occanowey/mcproto?rev=963cf11#963cf11f)
[INFO] [stderr]     Checking serde_json v1.0.82
[INFO] [stderr]     Checking tracing-serde v0.1.3
[INFO] [stderr]     Checking serde_yaml v0.9.2
[INFO] [stderr]     Checking tracing-subscriber v0.3.15
[INFO] [stderr]     Checking tracing-logfmt v0.1.2
[INFO] [stderr]     Checking tracing-appender v0.2.2
[INFO] [stderr]     Checking mc_router v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.30s
[INFO] running `Command { std: "docker" "inspect" "f93039ac16653d914da8c7d330383b6c377fd0552d65f45e5c320385d8579a38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f93039ac16653d914da8c7d330383b6c377fd0552d65f45e5c320385d8579a38", kill_on_drop: false }`
[INFO] [stdout] f93039ac16653d914da8c7d330383b6c377fd0552d65f45e5c320385d8579a38
[INFO] checking occanowey/mc_router against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foccanowey%2Fmc_router" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/occanowey/mc_router on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/occanowey/mc_router
[INFO] finished tweaking git repo https://github.com/occanowey/mc_router
[INFO] tweaked toml for git repo https://github.com/occanowey/mc_router written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/occanowey/mc_router 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1aaf7a252d5a946c41a33a06dac54676f61461f263fd54a6f01d0b3cfc6d03d
[INFO] running `Command { std: "docker" "start" "-a" "e1aaf7a252d5a946c41a33a06dac54676f61461f263fd54a6f01d0b3cfc6d03d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1aaf7a252d5a946c41a33a06dac54676f61461f263fd54a6f01d0b3cfc6d03d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1aaf7a252d5a946c41a33a06dac54676f61461f263fd54a6f01d0b3cfc6d03d", kill_on_drop: false }`
[INFO] [stdout] e1aaf7a252d5a946c41a33a06dac54676f61461f263fd54a6f01d0b3cfc6d03d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1834f170ffd4899dc39ee97e2a73bb53116d546fef76532af9655f31c1c0324
[INFO] running `Command { std: "docker" "start" "-a" "b1834f170ffd4899dc39ee97e2a73bb53116d546fef76532af9655f31c1c0324", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.42
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling serde v1.0.140
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]     Checking tracing-core v0.1.29
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]    Compiling anyhow v1.0.59
[INFO] [stderr]     Checking time v0.3.11
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking aes v0.7.5
[INFO] [stderr]     Checking cfb8 v0.7.1
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking unsafe-libyaml v0.2.1
[INFO] [stderr]     Checking hostname-validator v1.1.1
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.140
[INFO] [stderr]    Compiling tracing-attributes v0.1.22
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling packet_derive v0.1.0 (https://github.com/occanowey/mcproto?rev=963cf11#963cf11f)
[INFO] [stderr]    Compiling git-version-macro v0.3.5
[INFO] [stderr]     Checking git-version v0.3.5
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking mcproto v0.1.0 (https://github.com/occanowey/mcproto?rev=963cf11#963cf11f)
[INFO] [stderr]     Checking tracing v0.1.36
[INFO] [stderr]     Checking serde_json v1.0.82
[INFO] [stderr]     Checking tracing-serde v0.1.3
[INFO] [stderr]     Checking serde_yaml v0.9.2
[INFO] [stderr]     Checking tracing-subscriber v0.3.15
[INFO] [stderr]     Checking tracing-logfmt v0.1.2
[INFO] [stderr]     Checking tracing-appender v0.2.2
[INFO] [stderr]     Checking mc_router v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.06s
[INFO] running `Command { std: "docker" "inspect" "b1834f170ffd4899dc39ee97e2a73bb53116d546fef76532af9655f31c1c0324", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1834f170ffd4899dc39ee97e2a73bb53116d546fef76532af9655f31c1c0324", kill_on_drop: false }`
[INFO] [stdout] b1834f170ffd4899dc39ee97e2a73bb53116d546fef76532af9655f31c1c0324