[INFO] fetching crate filtration-domination 0.0.1... [INFO] checking filtration-domination-0.0.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate filtration-domination 0.0.1 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate filtration-domination 0.0.1 [INFO] finished tweaking crates.io crate filtration-domination 0.0.1 [INFO] tweaked toml for crates.io crate filtration-domination 0.0.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate filtration-domination 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] crate crates.io crate filtration-domination 0.0.1 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-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] 49d203ed38e7c95b3002e46f2e277b1f2b79d430d54e31c214ee5f8cc6f246ac [INFO] running `Command { std: "docker" "start" "-a" "49d203ed38e7c95b3002e46f2e277b1f2b79d430d54e31c214ee5f8cc6f246ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "49d203ed38e7c95b3002e46f2e277b1f2b79d430d54e31c214ee5f8cc6f246ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "49d203ed38e7c95b3002e46f2e277b1f2b79d430d54e31c214ee5f8cc6f246ac", kill_on_drop: false }` [INFO] [stdout] 49d203ed38e7c95b3002e46f2e277b1f2b79d430d54e31c214ee5f8cc6f246ac [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] ea8b8f7f2f69b206fd47af1040f26ad43b7cec913ebc2bfbf2a08c102b4cfbbe [INFO] running `Command { std: "docker" "start" "-a" "ea8b8f7f2f69b206fd47af1040f26ad43b7cec913ebc2bfbf2a08c102b4cfbbe", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.37 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling syn v1.0.91 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Compiling num-rational v0.4.0 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling indexmap v1.8.1 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Compiling anyhow v1.0.56 [INFO] [stderr] Checking litemap v0.3.0 [INFO] [stderr] Checking sorted-iter v0.1.8 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Compiling paste v1.0.7 [INFO] [stderr] Checking clap_lex v0.1.1 [INFO] [stderr] Checking getrandom v0.2.6 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking num-complex v0.4.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking ordered-float v2.10.0 [INFO] [stderr] Checking num v0.4.0 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling clap_derive v3.1.7 [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Checking filtration-domination v0.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Checking clap v3.1.9 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/distance_matrix/mod.rs:104:20 [INFO] [stdout] | [INFO] [stdout] 104 | fn new(matrix: &DistanceMatrix) -> EdgeIterator { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 104 | fn new(matrix: &DistanceMatrix) -> EdgeIterator<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, N>, Infallible> [INFO] [stdout] --> src/points/mod.rs:140:31 [INFO] [stdout] | [INFO] [stdout] 140 | result.push_point(p.0.try_into().unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, EmptyError> [INFO] [stdout] --> src/filtration.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | / build_flag_filtration_with_check::<_, _, _, EmptyError, fn(usize) -> Result<(), EmptyError>>( [INFO] [stdout] 28 | | vertices, max_dim, edges, None, [INFO] [stdout] 29 | | ) [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `filtration-domination` (lib) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "ea8b8f7f2f69b206fd47af1040f26ad43b7cec913ebc2bfbf2a08c102b4cfbbe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea8b8f7f2f69b206fd47af1040f26ad43b7cec913ebc2bfbf2a08c102b4cfbbe", kill_on_drop: false }` [INFO] [stdout] ea8b8f7f2f69b206fd47af1040f26ad43b7cec913ebc2bfbf2a08c102b4cfbbe