[INFO] cloning repository https://github.com/u296/mc_update
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/u296/mc_update" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fu296%2Fmc_update"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fu296%2Fmc_update'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ff6d8a81ae953699a3050419a6b0bcf42f3ce535
[INFO] checking u296/mc_update against try#89c05fd3cc6404a13e1bd71450c6132a2755fa4b for pr-69741
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fu296%2Fmc_update" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/u296/mc_update on toolchain 89c05fd3cc6404a13e1bd71450c6132a2755fa4b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+89c05fd3cc6404a13e1bd71450c6132a2755fa4b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/u296/mc_update
[INFO] finished tweaking git repo https://github.com/u296/mc_update
[INFO] tweaked toml for git repo https://github.com/u296/mc_update written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/u296/mc_update already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+89c05fd3cc6404a13e1bd71450c6132a2755fa4b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+89c05fd3cc6404a13e1bd71450c6132a2755fa4b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7aab1549a122fce178c77b201b28f7d93799cd556d6652c3137b1f8c83a93bf4
[INFO] running `"docker" "start" "-a" "7aab1549a122fce178c77b201b28f7d93799cd556d6652c3137b1f8c83a93bf4"`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking app_dirs v1.2.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling serde_json v1.0.48
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking openssl v0.10.28
[INFO] [stderr]     Checking tokio v0.2.11
[INFO] [stderr]     Checking tendril v0.4.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking native-tls v0.2.3
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling markup5ever v0.8.1
[INFO] [stderr]     Checking hyper v0.13.2
[INFO] [stderr]    Compiling html5ever v0.23.0
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking reqwest v0.10.1
[INFO] [stderr]     Checking select v0.4.3
[INFO] [stderr]     Checking mc_update v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.56s
[INFO] running `"docker" "inspect" "7aab1549a122fce178c77b201b28f7d93799cd556d6652c3137b1f8c83a93bf4"`
[INFO] running `"docker" "rm" "-f" "7aab1549a122fce178c77b201b28f7d93799cd556d6652c3137b1f8c83a93bf4"`
[INFO] [stdout] 7aab1549a122fce178c77b201b28f7d93799cd556d6652c3137b1f8c83a93bf4