[INFO] fetching crate tom 0.0.1...
[INFO] testing tom-0.0.1 against 1.75.0 for beta-1.76-1
[INFO] extracting crate tom 0.0.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate tom 0.0.1 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc1/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-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded m_lexer v0.0.4
[INFO] [stderr]   Downloaded uncover v0.1.2
[INFO] [stderr]   Downloaded text_unit v0.1.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c26aefb598ee3ea54ad4f55e6a0d04a22b973c4be64108c20eec22bcd48d439
[INFO] running `Command { std: "docker" "start" "-a" "1c26aefb598ee3ea54ad4f55e6a0d04a22b973c4be64108c20eec22bcd48d439", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c26aefb598ee3ea54ad4f55e6a0d04a22b973c4be64108c20eec22bcd48d439", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c26aefb598ee3ea54ad4f55e6a0d04a22b973c4be64108c20eec22bcd48d439", kill_on_drop: false }`
[INFO] [stdout] 1c26aefb598ee3ea54ad4f55e6a0d04a22b973c4be64108c20eec22bcd48d439
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f952d53b82df655575b9c1cf746b0fbdc85cbd776883b70f621a2344777ebc34
[INFO] running `Command { std: "docker" "start" "-a" "f952d53b82df655575b9c1cf746b0fbdc85cbd776883b70f621a2344777ebc34", kill_on_drop: false }`
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling text_unit v0.1.10
[INFO] [stderr]    Compiling uncover v0.1.2
[INFO] [stderr]    Compiling string-interner v0.6.4
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling m_lexer v0.0.4
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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 += <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 AtomicU32;
[INFO] [stdout]             - impl From<u32> for Ipv4Addr;
[INFO] [stdout]             - impl From<u32> for TextUnit;
[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 += <u32 as Into<T>>::into((text.len() as u32));
[INFO] [stdout]     |                            +++++++++++++++++++++++                   ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[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 3 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f952d53b82df655575b9c1cf746b0fbdc85cbd776883b70f621a2344777ebc34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f952d53b82df655575b9c1cf746b0fbdc85cbd776883b70f621a2344777ebc34", kill_on_drop: false }`
[INFO] [stdout] f952d53b82df655575b9c1cf746b0fbdc85cbd776883b70f621a2344777ebc34
[INFO] testing tom-0.0.1 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate tom 0.0.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate tom 0.0.1 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-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-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "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" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61bbf8b82b01bb41e7e8d88b8bbdac4a9529f01357668278dcbaf72367f8511b
[INFO] running `Command { std: "docker" "start" "-a" "61bbf8b82b01bb41e7e8d88b8bbdac4a9529f01357668278dcbaf72367f8511b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61bbf8b82b01bb41e7e8d88b8bbdac4a9529f01357668278dcbaf72367f8511b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61bbf8b82b01bb41e7e8d88b8bbdac4a9529f01357668278dcbaf72367f8511b", kill_on_drop: false }`
[INFO] [stdout] 61bbf8b82b01bb41e7e8d88b8bbdac4a9529f01357668278dcbaf72367f8511b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0637e784fb0a07136301d92f5a6d5f4677d51ced7d8d8a8402fdbfab3ab36088
[INFO] running `Command { std: "docker" "start" "-a" "0637e784fb0a07136301d92f5a6d5f4677d51ced7d8d8a8402fdbfab3ab36088", kill_on_drop: false }`
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling text_unit v0.1.10
[INFO] [stderr]    Compiling uncover v0.1.2
[INFO] [stderr]    Compiling string-interner v0.6.4
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling m_lexer v0.0.4
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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 += <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 AtomicU32;
[INFO] [stdout]             - impl From<u32> for Ipv4Addr;
[INFO] [stdout]             - impl From<u32> for TextUnit;
[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 += <u32 as Into<T>>::into((text.len() as u32));
[INFO] [stdout]     |                            +++++++++++++++++++++++                   ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[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 3 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0637e784fb0a07136301d92f5a6d5f4677d51ced7d8d8a8402fdbfab3ab36088", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0637e784fb0a07136301d92f5a6d5f4677d51ced7d8d8a8402fdbfab3ab36088", kill_on_drop: false }`
[INFO] [stdout] 0637e784fb0a07136301d92f5a6d5f4677d51ced7d8d8a8402fdbfab3ab36088
