[INFO] fetching crate smt2 0.2.0...
[INFO] checking smt2-0.2.0 against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] extracting crate smt2 0.2.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate smt2 0.2.0
[INFO] finished tweaking crates.io crate smt2 0.2.0
[INFO] tweaked toml for crates.io crate smt2 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate smt2 0.2.0 on toolchain a5689b034ad287112f709693384a37f1377eb9cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "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" "+a5689b034ad287112f709693384a37f1377eb9cc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to highest compatible versions
[INFO] [stderr]       Adding utf8-decode v1.0.1 (available: v2.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 37605d30177c7a57695a0a8923fbb5d00173349412f09b6fa7d8fdbe5cd14a01
[INFO] running `Command { std: "docker" "start" "37605d30177c7a57695a0a8923fbb5d00173349412f09b6fa7d8fdbe5cd14a01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37605d30177c7a57695a0a8923fbb5d00173349412f09b6fa7d8fdbe5cd14a01", 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" "37605d30177c7a57695a0a8923fbb5d00173349412f09b6fa7d8fdbe5cd14a01" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37605d30177c7a57695a0a8923fbb5d00173349412f09b6fa7d8fdbe5cd14a01", 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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "37605d30177c7a57695a0a8923fbb5d00173349412f09b6fa7d8fdbe5cd14a01" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking utf8-decode v1.0.1
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking source-span v2.7.0
[INFO] [stderr]     Checking smt2 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::usize::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/client/internal.rs:253:33
[INFO] [stdout]     |
[INFO] [stdout] 253 |             LogicNary => (0, std::usize::MAX),
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::usize::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/client/internal.rs:253:33
[INFO] [stdout]     |
[INFO] [stdout] 253 |             LogicNary => (0, std::usize::MAX),
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `downgrade_pattern`, `downgrade_sort_declaration`, `upgrade_pattern`, and `upgrade_abstract_sort` are never used
[INFO] [stdout]    --> src/client/interface.rs:85:16
[INFO] [stdout]     |
[INFO] [stdout]  19 | impl<L, C: Constant, S: Sort, F: Function> Client<L, C, S, F> {
[INFO] [stdout]     | ------------------------------------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  85 |     pub(crate) fn downgrade_pattern(&self, _pattern: &Typed<Pattern<Self>>) -> ExecResult<Typed<Pattern<Internal<L, C, F>>>, Error<...
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 148 |     pub(crate) fn downgrade_sort_declaration(&self, decl: &SortDeclaration<Self>) -> ExecResult<SortDeclaration<Internal<L, C, F>>,...
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 220 |     pub(crate) fn upgrade_pattern(&self, _pattern: &Typed<Pattern<Internal<L, C, F>>>) -> ExecResult<Typed<Pattern<Self>>, Error<L,...
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 247 |     pub(crate) fn upgrade_abstract_sort(&self, sort: &AbstractGroundSort<Ident>) -> ExecResult<AbstractGroundSort<S>, Error<L, C, S...
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `location::Located<syntax::ast::Symbol>`
[INFO] [stdout]    --> src/lib.rs:329:8
[INFO] [stdout]     |
[INFO] [stdout] 329 |             id: Located::new(syntax::Symbol::format(binding.id), Span::default()).into(),
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 329 -             id: Located::new(syntax::Symbol::format(binding.id), Span::default()).into(),
[INFO] [stdout] 329 +             id: Located::new(syntax::Symbol::format(binding.id), Span::default()),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 329 -             id: Located::new(syntax::Symbol::format(binding.id), Span::default()).into(),
[INFO] [stdout] 329 +             id: <location::Located<syntax::ast::Symbol> as Into<_>>::into(Located::new(syntax::Symbol::format(binding.id), Span::default())),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `downgrade_pattern`, `downgrade_sort_declaration`, `upgrade_pattern`, and `upgrade_abstract_sort` are never used
[INFO] [stdout]    --> src/client/interface.rs:85:16
[INFO] [stdout]     |
[INFO] [stdout]  19 | impl<L, C: Constant, S: Sort, F: Function> Client<L, C, S, F> {
[INFO] [stdout]     | ------------------------------------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  85 |     pub(crate) fn downgrade_pattern(&self, _pattern: &Typed<Pattern<Self>>) -> ExecResult<Typed<Pattern<Internal<L, C, F>>>, Error<...
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 148 |     pub(crate) fn downgrade_sort_declaration(&self, decl: &SortDeclaration<Self>) -> ExecResult<SortDeclaration<Internal<L, C, F>>,...
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 220 |     pub(crate) fn upgrade_pattern(&self, _pattern: &Typed<Pattern<Internal<L, C, F>>>) -> ExecResult<Typed<Pattern<Self>>, Error<L,...
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 247 |     pub(crate) fn upgrade_abstract_sort(&self, sort: &AbstractGroundSort<Ident>) -> ExecResult<AbstractGroundSort<S>, Error<L, C, S...
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `location::Located<syntax::ast::Symbol>`
[INFO] [stdout]    --> src/lib.rs:329:8
[INFO] [stdout]     |
[INFO] [stdout] 329 |             id: Located::new(syntax::Symbol::format(binding.id), Span::default()).into(),
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 329 -             id: Located::new(syntax::Symbol::format(binding.id), Span::default()).into(),
[INFO] [stdout] 329 +             id: Located::new(syntax::Symbol::format(binding.id), Span::default()),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 329 -             id: Located::new(syntax::Symbol::format(binding.id), Span::default()).into(),
[INFO] [stdout] 329 +             id: <location::Located<syntax::ast::Symbol> as Into<_>>::into(Located::new(syntax::Symbol::format(binding.id), Span::default())),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `smt2` (lib test) due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `smt2` (lib) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "37605d30177c7a57695a0a8923fbb5d00173349412f09b6fa7d8fdbe5cd14a01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37605d30177c7a57695a0a8923fbb5d00173349412f09b6fa7d8fdbe5cd14a01", kill_on_drop: false }`
[INFO] [stdout] 37605d30177c7a57695a0a8923fbb5d00173349412f09b6fa7d8fdbe5cd14a01
