[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<T>) -> EdgeIterator<T> {
[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<T>) -> EdgeIterator<'_, T> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Point<OrderedFloat<f64>, 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<Filtration<G, S>, 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
