[INFO] fetching crate acyclic-network 0.2.0...
[INFO] checking acyclic-network-0.2.0 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate acyclic-network 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate acyclic-network 0.2.0 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate acyclic-network 0.2.0
[INFO] finished tweaking crates.io crate acyclic-network 0.2.0
[INFO] tweaked toml for crates.io crate acyclic-network 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_core v0.3.1
[INFO] [stderr]   Downloaded rand_core v0.4.2
[INFO] [stderr]   Downloaded fuchsia-cprng v0.1.1
[INFO] [stderr]   Downloaded rand v0.4.6
[INFO] [stderr]   Downloaded rdrand v0.4.0
[INFO] [stderr]   Downloaded fixedbitset v0.1.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80f518eb83f12b2becd1fc991d735a8f213f188d698791eaed9d247836973907
[INFO] running `Command { std: "docker" "start" "-a" "80f518eb83f12b2becd1fc991d735a8f213f188d698791eaed9d247836973907", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80f518eb83f12b2becd1fc991d735a8f213f188d698791eaed9d247836973907", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80f518eb83f12b2becd1fc991d735a8f213f188d698791eaed9d247836973907", kill_on_drop: false }`
[INFO] [stdout] 80f518eb83f12b2becd1fc991d735a8f213f188d698791eaed9d247836973907
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93034306aa1a15a8716b07eaddd72b95e6b319fae98d51521d9fff8507cc0fcb
[INFO] running `Command { std: "docker" "start" "-a" "93034306aa1a15a8716b07eaddd72b95e6b319fae98d51521d9fff8507cc0fcb", kill_on_drop: false }`
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking acyclic-network v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:184:17
[INFO] [stdout]     |
[INFO] [stdout] 184 |     type Item = (LinkRefItem<'a, N, L, EXTID>);
[INFO] [stdout]     |                 ^                            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 184 -     type Item = (LinkRefItem<'a, N, L, EXTID>);
[INFO] [stdout] 184 +     type Item = LinkRefItem<'a, N, L, EXTID>;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:184:17
[INFO] [stdout]     |
[INFO] [stdout] 184 |     type Item = (LinkRefItem<'a, N, L, EXTID>);
[INFO] [stdout]     |                 ^                            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 184 -     type Item = (LinkRefItem<'a, N, L, EXTID>);
[INFO] [stdout] 184 +     type Item = LinkRefItem<'a, N, L, EXTID>;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:859:20
[INFO] [stdout]     |
[INFO] [stdout] 859 |             panic!(err);
[INFO] [stdout]     |                    ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 859 |             panic!("{}", err);
[INFO] [stdout]     |                    +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:892:20
[INFO] [stdout]     |
[INFO] [stdout] 892 |             panic!(err);
[INFO] [stdout]     |                    ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 892 |             panic!("{}", err);
[INFO] [stdout]     |                    +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:859:20
[INFO] [stdout]     |
[INFO] [stdout] 859 |             panic!(err);
[INFO] [stdout]     |                    ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 859 |             panic!("{}", err);
[INFO] [stdout]     |                    +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:892:20
[INFO] [stdout]     |
[INFO] [stdout] 892 |             panic!(err);
[INFO] [stdout]     |                    ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 892 |             panic!("{}", err);
[INFO] [stdout]     |                    +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]     --> src/lib.rs:1529:9
[INFO] [stdout]      |
[INFO] [stdout] 1529 |         drop(i1);
[INFO] [stdout]      |         ^^^^^--^
[INFO] [stdout]      |              |
[INFO] [stdout]      |              argument has type `NodeIndex`
[INFO] [stdout]      |
[INFO] [stdout]      = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]      = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]     --> src/lib.rs:1543:9
[INFO] [stdout]      |
[INFO] [stdout] 1543 |         drop(h2);
[INFO] [stdout]      |         ^^^^^--^
[INFO] [stdout]      |              |
[INFO] [stdout]      |              argument has type `NodeIndex`
[INFO] [stdout]      |
[INFO] [stdout]      = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]     --> src/lib.rs:1555:9
[INFO] [stdout]      |
[INFO] [stdout] 1555 |         drop(o1);
[INFO] [stdout]      |         ^^^^^--^
[INFO] [stdout]      |              |
[INFO] [stdout]      |              argument has type `NodeIndex`
[INFO] [stdout]      |
[INFO] [stdout]      = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "93034306aa1a15a8716b07eaddd72b95e6b319fae98d51521d9fff8507cc0fcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93034306aa1a15a8716b07eaddd72b95e6b319fae98d51521d9fff8507cc0fcb", kill_on_drop: false }`
[INFO] [stdout] 93034306aa1a15a8716b07eaddd72b95e6b319fae98d51521d9fff8507cc0fcb
