[INFO] fetching crate unf 2.1.4... [INFO] checking unf-2.1.4 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate unf 2.1.4 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate unf 2.1.4 [INFO] finished tweaking crates.io crate unf 2.1.4 [INFO] tweaked toml for crates.io crate unf 2.1.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate unf 2.1.4 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 crates.io crate unf 2.1.4 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7d39d212cf7835c8aec53982a9a8f86e74360c180533607737505660bdc16759 [INFO] running `Command { std: "docker" "start" "-a" "7d39d212cf7835c8aec53982a9a8f86e74360c180533607737505660bdc16759", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7d39d212cf7835c8aec53982a9a8f86e74360c180533607737505660bdc16759", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d39d212cf7835c8aec53982a9a8f86e74360c180533607737505660bdc16759", kill_on_drop: false }` [INFO] [stdout] 7d39d212cf7835c8aec53982a9a8f86e74360c180533607737505660bdc16759 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 347e6ded0140bf10aa671d76de57879445877ade3621cf6805b2a19649b74613 [INFO] running `Command { std: "docker" "start" "-a" "347e6ded0140bf10aa671d76de57879445877ade3621cf6805b2a19649b74613", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.109 [INFO] [stderr] Compiling proc-macro2 v1.0.33 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling nix v0.18.0 [INFO] [stderr] Checking owning_ref v0.3.3 [INFO] [stderr] Checking predicates-core v1.0.2 [INFO] [stderr] Checking termtree v0.2.3 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking deunicode v1.3.1 [INFO] [stderr] Checking predicates v2.1.0 [INFO] [stderr] Checking predicates-tree v1.0.4 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking assert_cmd v2.0.2 [INFO] [stderr] Checking dirs-next v1.0.2 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking parking_lot_core v0.2.14 [INFO] [stderr] Checking parking_lot v0.4.8 [INFO] [stderr] Checking rsfs v0.4.1 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking rustyline v6.3.0 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Checking promptly v0.3.0 [INFO] [stderr] Checking structopt v0.3.25 [INFO] [stderr] Checking unf v2.1.4 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/opts.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | / /// The paths of filenames to unixize [INFO] [stdout] 12 | | #[structopt(required = true)] [INFO] [stdout] 13 | | pub paths: Vec, [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 `unf` (bin "unf") 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: std::result::Result [INFO] [stdout] --> src/opts.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | / /// The paths of filenames to unixize [INFO] [stdout] 12 | | #[structopt(required = true)] [INFO] [stdout] 13 | | pub paths: Vec, [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 `unf` (bin "unf" test) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "347e6ded0140bf10aa671d76de57879445877ade3621cf6805b2a19649b74613", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "347e6ded0140bf10aa671d76de57879445877ade3621cf6805b2a19649b74613", kill_on_drop: false }` [INFO] [stdout] 347e6ded0140bf10aa671d76de57879445877ade3621cf6805b2a19649b74613