[INFO] cloning repository https://github.com/ttdotsh/see-ell-eye [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ttdotsh/see-ell-eye" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fttdotsh%2Fsee-ell-eye", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fttdotsh%2Fsee-ell-eye'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 69febeb93fee6ab5f9dd988aaddb02d62ed8b1fc [INFO] checking ttdotsh/see-ell-eye 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%2Fttdotsh%2Fsee-ell-eye" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/ttdotsh/see-ell-eye [INFO] finished tweaking git repo https://github.com/ttdotsh/see-ell-eye [INFO] tweaked toml for git repo https://github.com/ttdotsh/see-ell-eye written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/ttdotsh/see-ell-eye 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/ttdotsh/see-ell-eye 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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 0d32acd4c4134260e06a6adb7e95296d1489c531df8a39662af2246faaca3a96 [INFO] running `Command { std: "docker" "start" "-a" "0d32acd4c4134260e06a6adb7e95296d1489c531df8a39662af2246faaca3a96", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0d32acd4c4134260e06a6adb7e95296d1489c531df8a39662af2246faaca3a96", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d32acd4c4134260e06a6adb7e95296d1489c531df8a39662af2246faaca3a96", kill_on_drop: false }` [INFO] [stdout] 0d32acd4c4134260e06a6adb7e95296d1489c531df8a39662af2246faaca3a96 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ec633c72e747e1a65aab662a48759697ad97aa5114cdb174055efd1f50e5bc52 [INFO] running `Command { std: "docker" "start" "-a" "ec633c72e747e1a65aab662a48759697ad97aa5114cdb174055efd1f50e5bc52", kill_on_drop: false }` [INFO] [stderr] Checking proc-macro2 v1.0.78 [INFO] [stderr] Compiling syn v2.0.49 [INFO] [stderr] Checking quote v1.0.35 [INFO] [stderr] Checking withargs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> examples/greeting.rs:5:29 [INFO] [stdout] | [INFO] [stdout] 5 | fn main(greeting: Greeting, name: String) { [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 `withargs` (example "greeting") due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "ec633c72e747e1a65aab662a48759697ad97aa5114cdb174055efd1f50e5bc52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec633c72e747e1a65aab662a48759697ad97aa5114cdb174055efd1f50e5bc52", kill_on_drop: false }` [INFO] [stdout] ec633c72e747e1a65aab662a48759697ad97aa5114cdb174055efd1f50e5bc52