[INFO] cloning repository https://github.com/Vincentvibe3/mc_proxy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Vincentvibe3/mc_proxy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVincentvibe3%2Fmc_proxy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVincentvibe3%2Fmc_proxy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1bf91348b0d402e0af017a4d3ffad4ae14200b13
[INFO] checking Vincentvibe3/mc_proxy against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVincentvibe3%2Fmc_proxy" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Vincentvibe3/mc_proxy
[INFO] finished tweaking git repo https://github.com/Vincentvibe3/mc_proxy
[INFO] tweaked toml for git repo https://github.com/Vincentvibe3/mc_proxy written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Vincentvibe3/mc_proxy on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Vincentvibe3/mc_proxy 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f0974c1c90059f5b214ea61412559c1e2bc9dbaf4b9bf55424391dd2cb4c0a1
[INFO] running `Command { std: "docker" "start" "-a" "9f0974c1c90059f5b214ea61412559c1e2bc9dbaf4b9bf55424391dd2cb4c0a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f0974c1c90059f5b214ea61412559c1e2bc9dbaf4b9bf55424391dd2cb4c0a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f0974c1c90059f5b214ea61412559c1e2bc9dbaf4b9bf55424391dd2cb4c0a1", kill_on_drop: false }`
[INFO] [stdout] 9f0974c1c90059f5b214ea61412559c1e2bc9dbaf4b9bf55424391dd2cb4c0a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58b8d46909932b8563f2a3b8da5792607048344333bf62f6ee7613ddfc18ba04
[INFO] running `Command { std: "docker" "start" "-a" "58b8d46909932b8563f2a3b8da5792607048344333bf62f6ee7613ddfc18ba04", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.68
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling uuid-macro-internal v1.9.1
[INFO] [stderr]    Compiling tokio-macros v2.3.0
[INFO] [stderr]     Checking uuid v1.9.1
[INFO] [stderr]     Checking tokio v1.38.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking mc_proxy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<i32, Infallible>
[INFO] [stdout]   --> src/lib/packet.rs:57:35
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let id_varint = create_varint(i32::try_from(id).unwrap());
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mc_proxy` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<i32, Infallible>
[INFO] [stdout]   --> src/lib/packet.rs:57:35
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let id_varint = create_varint(i32::try_from(id).unwrap());
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mc_proxy` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "58b8d46909932b8563f2a3b8da5792607048344333bf62f6ee7613ddfc18ba04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58b8d46909932b8563f2a3b8da5792607048344333bf62f6ee7613ddfc18ba04", kill_on_drop: false }`
[INFO] [stdout] 58b8d46909932b8563f2a3b8da5792607048344333bf62f6ee7613ddfc18ba04
