[INFO] fetching crate tom 0.0.1...
[INFO] testing tom-0.0.1 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate tom 0.0.1 into /workspace/builds/worker-7-tc2/source
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config
[INFO] started tweaking crates.io crate tom 0.0.1
[INFO] finished tweaking crates.io crate tom 0.0.1
[INFO] tweaked toml for crates.io crate tom 0.0.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tom 0.0.1 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "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" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 46 packages to highest compatible versions
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.6.7)
[INFO] [stderr]       Adding itertools v0.7.11 (available: v0.15.0)
[INFO] [stderr]       Adding string-interner v0.6.4 (available: v0.20.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `tom` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 4c32bb1c8aea803d83e7288dfe18c2731a56286f57ae1b480bac98b0c4f4854a
[INFO] running `Command { std: "docker" "start" "4c32bb1c8aea803d83e7288dfe18c2731a56286f57ae1b480bac98b0c4f4854a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c32bb1c8aea803d83e7288dfe18c2731a56286f57ae1b480bac98b0c4f4854a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4c32bb1c8aea803d83e7288dfe18c2731a56286f57ae1b480bac98b0c4f4854a" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c32bb1c8aea803d83e7288dfe18c2731a56286f57ae1b480bac98b0c4f4854a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4c32bb1c8aea803d83e7288dfe18c2731a56286f57ae1b480bac98b0c4f4854a" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `tom` (manifest) generated 1 warning
[INFO] [stderr]    Compiling text_unit v0.1.10
[INFO] [stderr]    Compiling uncover v0.1.2
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling m_lexer v0.0.4
[INFO] [stderr]    Compiling string-interner v0.6.4
[INFO] [stderr]    Compiling tom v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/visitor.rs:5:24
[INFO] [stdout]   |
[INFO] [stdout] 5 |     callbacks: Vec<Box<FnMut(&mut C, CstNode, &TomlDoc) + 'c>>,
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 5 |     callbacks: Vec<Box<dyn FnMut(&mut C, CstNode, &TomlDoc) + 'c>>,
[INFO] [stdout]   |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/visitor.rs:29:21
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let cb: Box<FnMut(&mut C, CstNode, &TomlDoc) + 'c> =
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let cb: Box<dyn FnMut(&mut C, CstNode, &TomlDoc) + 'c> =
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> src/lib.rs:168:48
[INFO] [stdout]     |
[INFO] [stdout] 168 |                     len += (text.len() as u32).into();
[INFO] [stdout]     |                         --                     ^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout]     = note: multiple `impl`s satisfying `TextUnit: AddAssign<_>` found in the `text_unit` crate:
[INFO] [stdout]             - impl AddAssign for TextUnit;
[INFO] [stdout]             - impl<'a> AddAssign<&'a TextUnit> for TextUnit;
[INFO] [stdout] help: try using a fully qualified path to specify the expected types
[INFO] [stdout]     |
[INFO] [stdout] 168 -                     len += (text.len() as u32).into();
[INFO] [stdout] 168 +                     len += <u32 as Into<T>>::into((text.len() as u32));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> src/lib.rs:168:48
[INFO] [stdout]     |
[INFO] [stdout] 168 |                     len += (text.len() as u32).into();
[INFO] [stdout]     |                                                ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: multiple `impl`s satisfying `_: From<u32>` found in the following crates: `core`, `text_unit`:
[INFO] [stdout]             - impl From<u32> for Atomic<u32>;
[INFO] [stdout]             - impl From<u32> for Ipv4Addr;
[INFO] [stdout]             - impl From<u32> for TextUnit;
[INFO] [stdout]             - impl From<u32> for f128
[INFO] [stdout]               where feature(f128) is enabled;
[INFO] [stdout]             - impl From<u32> for f64;
[INFO] [stdout]             - impl From<u32> for i128;
[INFO] [stdout]             - impl From<u32> for i64;
[INFO] [stdout]             - impl From<u32> for u128;
[INFO] [stdout]             - impl From<u32> for u64;
[INFO] [stdout]     = note: required for `u32` to implement `Into<_>`
[INFO] [stdout] help: try using a fully qualified path to specify the expected types
[INFO] [stdout]     |
[INFO] [stdout] 168 -                     len += (text.len() as u32).into();
[INFO] [stdout] 168 +                     len += <u32 as Into<T>>::into((text.len() as u32));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tree`
[INFO] [stdout]    --> src/tree.rs:319:39
[INFO] [stdout]     |
[INFO] [stdout] 319 |     fn check_invariants<ID, LD>(self, tree: &Tree<ID, LD>) {
[INFO] [stdout]     |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_tree`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tom` (lib) due to 2 previous errors; 3 warnings emitted
[INFO] [stderr] warning: unused dependency `itertools`
[INFO] [stderr]  --> Cargo.toml:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | [dependencies.itertools]
[INFO] [stderr]   |               ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `itertools`
[INFO] [stderr] warning: `tom` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "inspect" "4c32bb1c8aea803d83e7288dfe18c2731a56286f57ae1b480bac98b0c4f4854a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c32bb1c8aea803d83e7288dfe18c2731a56286f57ae1b480bac98b0c4f4854a", kill_on_drop: false }`
[INFO] [stdout] 4c32bb1c8aea803d83e7288dfe18c2731a56286f57ae1b480bac98b0c4f4854a
