[INFO] fetching crate tommilligan_rmatrix 0.0.1... [INFO] checking tommilligan_rmatrix-0.0.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate tommilligan_rmatrix 0.0.1 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate tommilligan_rmatrix 0.0.1 [INFO] finished tweaking crates.io crate tommilligan_rmatrix 0.0.1 [INFO] tweaked toml for crates.io crate tommilligan_rmatrix 0.0.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate tommilligan_rmatrix 0.0.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 52 packages to latest compatible versions [INFO] [stderr] Adding crossbeam-channel v0.3.9 (available: v0.5.15) [INFO] [stderr] Adding pancurses v0.16.1 (available: v0.17.0) [INFO] [stderr] Adding rand v0.6.5 (available: v0.9.2) [INFO] [stderr] Adding rand_xorshift v0.1.1 (available: v0.4.0) [INFO] [stderr] Adding signal-hook v0.1.17 (available: v0.3.18) [INFO] [stderr] Adding structopt v0.2.18 (available: v0.3.26) [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] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [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] 2de10459e9e3d4155b4d1a8ce974fb26828b1776a73c736fae7c4dbf67881116 [INFO] running `Command { std: "docker" "start" "-a" "2de10459e9e3d4155b4d1a8ce974fb26828b1776a73c736fae7c4dbf67881116", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2de10459e9e3d4155b4d1a8ce974fb26828b1776a73c736fae7c4dbf67881116", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2de10459e9e3d4155b4d1a8ce974fb26828b1776a73c736fae7c4dbf67881116", kill_on_drop: false }` [INFO] [stdout] 2de10459e9e3d4155b4d1a8ce974fb26828b1776a73c736fae7c4dbf67881116 [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] bd02a5250a79a845fd931e8a5ea5afacfe26bc72b4a4239ba53f1f7690728b28 [INFO] running `Command { std: "docker" "start" "-a" "bd02a5250a79a845fd931e8a5ea5afacfe26bc72b4a4239ba53f1f7690728b28", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Compiling ncurses v5.101.0 [INFO] [stderr] Checking term_size v0.3.2 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking signal-hook v0.1.17 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking pancurses v0.16.1 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Checking structopt v0.2.18 [INFO] [stderr] Checking tommilligan_rmatrix v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/lib.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | (RNG.with(|rng| (*rng).borrow_mut().gen::() % randnum + randmin) as char) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 29 - (RNG.with(|rng| (*rng).borrow_mut().gen::() % randnum + randmin) as char) [INFO] [stdout] 29 + RNG.with(|rng| (*rng).borrow_mut().gen::() % randnum + randmin) as char [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/lib.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | (RNG.with(|rng| (*rng).borrow_mut().gen::() % randnum + randmin) as char) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 29 - (RNG.with(|rng| (*rng).borrow_mut().gen::() % randnum + randmin) as char) [INFO] [stdout] 29 + RNG.with(|rng| (*rng).borrow_mut().gen::() % randnum + randmin) as char [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/config.rs:5:17 [INFO] [stdout] | [INFO] [stdout] 5 | #[derive(Debug, StructOpt)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] = note: this error originates in the derive macro `StructOpt` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/config.rs:5:17 [INFO] [stdout] | [INFO] [stdout] 5 | #[derive(Debug, StructOpt)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] = note: this error originates in the derive macro `StructOpt` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `tommilligan_rmatrix` (lib test) due to 1 previous error; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `tommilligan_rmatrix` (lib) due to 1 previous error; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "bd02a5250a79a845fd931e8a5ea5afacfe26bc72b4a4239ba53f1f7690728b28", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd02a5250a79a845fd931e8a5ea5afacfe26bc72b4a4239ba53f1f7690728b28", kill_on_drop: false }` [INFO] [stdout] bd02a5250a79a845fd931e8a5ea5afacfe26bc72b4a4239ba53f1f7690728b28