[INFO] cloning repository https://github.com/Tomyyy-1337/rust_robotics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tomyyy-1337/rust_robotics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTomyyy-1337%2Frust_robotics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTomyyy-1337%2Frust_robotics'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c2b65b27c5cba98a06cc986123c236e04e896386
[INFO] checking Tomyyy-1337/rust_robotics 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%2FTomyyy-1337%2Frust_robotics" "/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/Tomyyy-1337/rust_robotics
[INFO] finished tweaking git repo https://github.com/Tomyyy-1337/rust_robotics
[INFO] tweaked toml for git repo https://github.com/Tomyyy-1337/rust_robotics written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Tomyyy-1337/rust_robotics 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/Tomyyy-1337/rust_robotics 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] 20518de739073f6ab35e87cb93aac445e8dda49f7c89b0bd998843e1e7e50afc
[INFO] running `Command { std: "docker" "start" "-a" "20518de739073f6ab35e87cb93aac445e8dda49f7c89b0bd998843e1e7e50afc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20518de739073f6ab35e87cb93aac445e8dda49f7c89b0bd998843e1e7e50afc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20518de739073f6ab35e87cb93aac445e8dda49f7c89b0bd998843e1e7e50afc", kill_on_drop: false }`
[INFO] [stdout] 20518de739073f6ab35e87cb93aac445e8dda49f7c89b0bd998843e1e7e50afc
[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] f6b4ca4432b180aeaa172ee935cca51d87aa82188f169776e57ed0b587e9f603
[INFO] running `Command { std: "docker" "start" "-a" "f6b4ca4432b180aeaa172ee935cca51d87aa82188f169776e57ed0b587e9f603", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking unicode-ident v1.0.19
[INFO] [stderr]     Checking meta_signals v0.1.0 (/opt/rustwide/workdir/meta_signals)
[INFO] [stderr]     Checking serialization v0.1.0 (/opt/rustwide/workdir/serialization)
[INFO] [stderr]     Checking data_types v0.1.0 (/opt/rustwide/workdir/data_types)
[INFO] [stderr]     Checking proc-macro2 v1.0.101
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> serialization/src/lib.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 |                     data.parse::<$t>().ok()
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 | port_serialize_primitives!(String);
[INFO] [stdout]    | ---------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the macro `port_serialize_primitives` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serialization` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> serialization/src/lib.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 |                     data.parse::<$t>().ok()
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 | port_serialize_primitives!(String);
[INFO] [stdout]    | ---------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the macro `port_serialize_primitives` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serialization` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "f6b4ca4432b180aeaa172ee935cca51d87aa82188f169776e57ed0b587e9f603", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6b4ca4432b180aeaa172ee935cca51d87aa82188f169776e57ed0b587e9f603", kill_on_drop: false }`
[INFO] [stdout] f6b4ca4432b180aeaa172ee935cca51d87aa82188f169776e57ed0b587e9f603