[INFO] cloning repository https://github.com/vgwidt/syslogrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vgwidt/syslogrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvgwidt%2Fsyslogrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvgwidt%2Fsyslogrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 409b2886e59881aac4d45aa8904bac73ca477921
[INFO] checking vgwidt/syslogrs against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvgwidt%2Fsyslogrs" "/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/vgwidt/syslogrs 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/vgwidt/syslogrs
[INFO] finished tweaking git repo https://github.com/vgwidt/syslogrs
[INFO] tweaked toml for git repo https://github.com/vgwidt/syslogrs written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/vgwidt/syslogrs 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml v0.8.12
[INFO] [stderr]   Downloaded toml_edit v0.22.9
[INFO] [stderr]   Downloaded hashbrown v0.14.1
[INFO] [stderr]   Downloaded winnow v0.6.5
[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] 2c0c3448a1a128c78df138f3c845bf62ff2ee5a51a86759a37545a1a8ff8c8c2
[INFO] running `Command { std: "docker" "start" "-a" "2c0c3448a1a128c78df138f3c845bf62ff2ee5a51a86759a37545a1a8ff8c8c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c0c3448a1a128c78df138f3c845bf62ff2ee5a51a86759a37545a1a8ff8c8c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c0c3448a1a128c78df138f3c845bf62ff2ee5a51a86759a37545a1a8ff8c8c2", kill_on_drop: false }`
[INFO] [stdout] 2c0c3448a1a128c78df138f3c845bf62ff2ee5a51a86759a37545a1a8ff8c8c2
[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] 4f473294dcc76f93b45b95e7a625daf1d4d8943cde4079d1eb9bd65cd203333e
[INFO] running `Command { std: "docker" "start" "-a" "4f473294dcc76f93b45b95e7a625daf1d4d8943cde4079d1eb9bd65cd203333e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]     Checking hashbrown v0.14.1
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking winnow v0.6.5
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking flate2 v1.0.27
[INFO] [stderr]     Checking indexmap v2.0.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.53
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]     Checking chrono v0.4.35
[INFO] [stderr]     Checking serde_spanned v0.6.5
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking toml_edit v0.22.9
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking toml v0.8.12
[INFO] [stderr]     Checking syslogrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.04s
[INFO] running `Command { std: "docker" "inspect" "4f473294dcc76f93b45b95e7a625daf1d4d8943cde4079d1eb9bd65cd203333e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f473294dcc76f93b45b95e7a625daf1d4d8943cde4079d1eb9bd65cd203333e", kill_on_drop: false }`
[INFO] [stdout] 4f473294dcc76f93b45b95e7a625daf1d4d8943cde4079d1eb9bd65cd203333e