[INFO] cloning repository https://github.com/Iaiao/KazyolChat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Iaiao/KazyolChat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIaiao%2FKazyolChat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIaiao%2FKazyolChat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a179b3e301fe9cda918d5ee579c539ceea8a5ebd
[INFO] checking Iaiao/KazyolChat against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIaiao%2FKazyolChat" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Iaiao/KazyolChat on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Iaiao/KazyolChat
[INFO] finished tweaking git repo https://github.com/Iaiao/KazyolChat
[INFO] tweaked toml for git repo https://github.com/Iaiao/KazyolChat written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Iaiao/KazyolChat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6aff1cfea7807530ae28c227ceede3f9e072f30624d8e5cd428ced77867e9611
[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" "6aff1cfea7807530ae28c227ceede3f9e072f30624d8e5cd428ced77867e9611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6aff1cfea7807530ae28c227ceede3f9e072f30624d8e5cd428ced77867e9611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6aff1cfea7807530ae28c227ceede3f9e072f30624d8e5cd428ced77867e9611", kill_on_drop: false }`
[INFO] [stdout] 6aff1cfea7807530ae28c227ceede3f9e072f30624d8e5cd428ced77867e9611
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] f83e86a57ae8996d817bbaf7ae109f4d1aba254a1bddecfac59ccf96327ffdad
[INFO] running `Command { std: "docker" "start" "-a" "f83e86a57ae8996d817bbaf7ae109f4d1aba254a1bddecfac59ccf96327ffdad", kill_on_drop: false }`
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.63
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking darling_core v0.12.2
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling darling_macro v0.12.2
[INFO] [stderr]    Compiling darling v0.12.2
[INFO] [stderr]    Compiling derive_builder_core v0.10.0-alpha
[INFO] [stderr]    Compiling derive_builder_macro v0.10.0-alpha
[INFO] [stderr]     Checking derive_builder v0.10.0-alpha
[INFO] [stderr]     Checking serde v1.0.123
[INFO] [stderr]     Checking kazyol_chat v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.60s
[INFO] running `Command { std: "docker" "inspect" "f83e86a57ae8996d817bbaf7ae109f4d1aba254a1bddecfac59ccf96327ffdad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f83e86a57ae8996d817bbaf7ae109f4d1aba254a1bddecfac59ccf96327ffdad", kill_on_drop: false }`
[INFO] [stdout] f83e86a57ae8996d817bbaf7ae109f4d1aba254a1bddecfac59ccf96327ffdad