[INFO] fetching crate rust-graph 0.0.3...
[INFO] testing rust-graph-0.0.3 against 1.91.0 for beta-1.92-2
[INFO] extracting crate rust-graph 0.0.3 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate rust-graph 0.0.3
[INFO] finished tweaking crates.io crate rust-graph 0.0.3
[INFO] tweaked toml for crates.io crate rust-graph 0.0.3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-graph 0.0.3 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1797cf001f136287be923e781cd9ce1dc76d6dcd12bf4f7783e90c5d0b63a934
[INFO] running `Command { std: "docker" "start" "-a" "1797cf001f136287be923e781cd9ce1dc76d6dcd12bf4f7783e90c5d0b63a934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1797cf001f136287be923e781cd9ce1dc76d6dcd12bf4f7783e90c5d0b63a934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1797cf001f136287be923e781cd9ce1dc76d6dcd12bf4f7783e90c5d0b63a934", kill_on_drop: false }`
[INFO] [stdout] 1797cf001f136287be923e781cd9ce1dc76d6dcd12bf4f7783e90c5d0b63a934
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71d48eb357db0a6b8182ce3670b3e2b90db0cfcf42ecf414e06ec24793f3f12f
[INFO] running `Command { std: "docker" "start" "-a" "71d48eb357db0a6b8182ce3670b3e2b90db0cfcf42ecf414e06ec24793f3f12f", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling rust-graph v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(collections)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/disjoint_set.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |             try!(write!(f, "{:?}: ", k));
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/disjoint_set.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |             try!(write!(f, "\n"))
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/disjoint_set.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 try!(write!(f, "{:?}", i));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/algorithms.rs:37:30
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn set_weight(&mut self, isize);
[INFO] [stdout]    |                              ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: isize`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `add_node`
[INFO] [stdout]    --> src/graph.rs:272:14
[INFO] [stdout]     |
[INFO] [stdout] 272 | macro_rules! add_node (
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `add_edge`
[INFO] [stdout]    --> src/graph.rs:289:14
[INFO] [stdout]     |
[INFO] [stdout] 289 | macro_rules! add_edge (
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `collections`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(collections)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `push_all` found for mutable reference `&mut Vec<T>` in the current scope
[INFO] [stdout]   --> src/disjoint_set.rs:34:15
[INFO] [stdout]    |
[INFO] [stdout] 34 |         x_set.push_all(&*y_set);
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `push` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 34 -         x_set.push_all(&*y_set);
[INFO] [stdout] 34 +         x_set.push(&*y_set);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-graph` (lib) due to 3 previous errors; 7 warnings emitted
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/graph.rs:48:21
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 let mut prop: Option<E>;
[INFO] [stdout]    |                     ----^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "71d48eb357db0a6b8182ce3670b3e2b90db0cfcf42ecf414e06ec24793f3f12f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71d48eb357db0a6b8182ce3670b3e2b90db0cfcf42ecf414e06ec24793f3f12f", kill_on_drop: false }`
[INFO] [stdout] 71d48eb357db0a6b8182ce3670b3e2b90db0cfcf42ecf414e06ec24793f3f12f
