[INFO] fetching crate lexer 0.1.15...
[INFO] checking lexer-0.1.15 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate lexer 0.1.15 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate lexer 0.1.15 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate lexer 0.1.15
[INFO] finished tweaking crates.io crate lexer 0.1.15
[INFO] tweaked toml for crates.io crate lexer 0.1.15 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4ccef9a0d98038aad213f2289df1391d0b89b4ad50059f3953170ac056534b48
[INFO] running `"docker" "start" "-a" "4ccef9a0d98038aad213f2289df1391d0b89b4ad50059f3953170ac056534b48"`
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]     Checking peek-nth v0.1.0
[INFO] [stderr]     Checking lexer v0.1.15 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `alloc::arc`
[INFO] [stderr]  --> src/readers.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | use alloc::arc::Arc;
[INFO] [stderr]   |            ^^^ could not find `arc` in `alloc`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `alloc::arc`
[INFO] [stderr]  --> src/readers_builder.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | use alloc::arc::Arc;
[INFO] [stderr]   |            ^^^ could not find `arc` in `alloc`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `alloc::arc`
[INFO] [stderr]  --> src/readers.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | use alloc::arc::Arc;
[INFO] [stderr]   |            ^^^ could not find `arc` in `alloc`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `alloc::arc`
[INFO] [stderr]  --> src/readers_builder.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | use alloc::arc::Arc;
[INFO] [stderr]   |            ^^^ could not find `arc` in `alloc`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lines.rs:5:20
[INFO] [stderr]   |
[INFO] [stderr] 5 |     input: &'a mut Input,
[INFO] [stderr]   |                    ^^^^^ help: use `dyn`: `dyn Input`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lines.rs:10:31
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new(input: &'a mut Input, state: &'a mut State) -> Self {
[INFO] [stderr]    |                               ^^^^^ help: use `dyn`: `dyn Input`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/next.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 |     input: &mut Input,
[INFO] [stderr]   |                 ^^^^^ help: use `dyn`: `dyn Input`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/reader.rs:9:41
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn read(&self, &Readers<T, E>, &mut Input, &State, &mut State) -> ReaderResult<T, E>;
[INFO] [stderr]   |                                         ^^^^^ help: use `dyn`: `dyn Input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Any`
[INFO] [stderr]  --> src/readers.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | use core::any::{Any, TypeId};
[INFO] [stderr]   |                 ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/readers.rs:9:34
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct Readers<T, E>(Vec<Arc<Reader<T, E>>>);
[INFO] [stderr]   |                                  ^^^^^^^^^^^^ help: use `dyn`: `dyn Reader<T, E>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/readers.rs:70:52
[INFO] [stderr]    |
[INFO] [stderr] 70 |     pub fn get(&self, index: usize) -> Option<&Arc<Reader<T, E>>> {
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^ help: use `dyn`: `dyn Reader<T, E>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/readers.rs:101:21
[INFO] [stderr]     |
[INFO] [stderr] 101 |     type Item = &'a Reader<T, E>;
[INFO] [stderr]     |                     ^^^^^^^^^^^^ help: use `dyn`: `dyn Reader<T, E>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/readers.rs:115:31
[INFO] [stderr]     |
[INFO] [stderr] 115 |     iter: slice::Iter<'a, Arc<Reader<T, E>>>,
[INFO] [stderr]     |                               ^^^^^^^^^^^^ help: use `dyn`: `dyn Reader<T, E>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/readers.rs:123:21
[INFO] [stderr]     |
[INFO] [stderr] 123 |     type Item = &'a Reader<T, E>;
[INFO] [stderr]     |                     ^^^^^^^^^^^^ help: use `dyn`: `dyn Reader<T, E>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/readers_builder.rs:6:52
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct ReadersBuilder<T, E>(pub(crate) Vec<Arc<Reader<T, E>>>);
[INFO] [stderr]   |                                                    ^^^^^^^^^^^^ help: use `dyn`: `dyn Reader<T, E>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lines.rs:5:20
[INFO] [stderr]   |
[INFO] [stderr] 5 |     input: &'a mut Input,
[INFO] [stderr]   |                    ^^^^^ help: use `dyn`: `dyn Input`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lines.rs:10:31
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new(input: &'a mut Input, state: &'a mut State) -> Self {
[INFO] [stderr]    |                               ^^^^^ help: use `dyn`: `dyn Input`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/next.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 |     input: &mut Input,
[INFO] [stderr]   |                 ^^^^^ help: use `dyn`: `dyn Input`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/reader.rs:9:41
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn read(&self, &Readers<T, E>, &mut Input, &State, &mut State) -> ReaderResult<T, E>;
[INFO] [stderr]   |                                         ^^^^^ help: use `dyn`: `dyn Input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Any`
[INFO] [stderr]  --> src/readers.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | use core::any::{Any, TypeId};
[INFO] [stderr]   |                 ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/readers.rs:9:34
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct Readers<T, E>(Vec<Arc<Reader<T, E>>>);
[INFO] [stderr]   |                                  ^^^^^^^^^^^^ help: use `dyn`: `dyn Reader<T, E>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/readers.rs:70:52
[INFO] [stderr]    |
[INFO] [stderr] 70 |     pub fn get(&self, index: usize) -> Option<&Arc<Reader<T, E>>> {
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^ help: use `dyn`: `dyn Reader<T, E>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/readers.rs:101:21
[INFO] [stderr]     |
[INFO] [stderr] 101 |     type Item = &'a Reader<T, E>;
[INFO] [stderr]     |                     ^^^^^^^^^^^^ help: use `dyn`: `dyn Reader<T, E>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/readers.rs:115:31
[INFO] [stderr]     |
[INFO] [stderr] 115 |     iter: slice::Iter<'a, Arc<Reader<T, E>>>,
[INFO] [stderr]     |                               ^^^^^^^^^^^^ help: use `dyn`: `dyn Reader<T, E>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/readers.rs:123:21
[INFO] [stderr]     |
[INFO] [stderr] 123 |     type Item = &'a Reader<T, E>;
[INFO] [stderr]     |                     ^^^^^^^^^^^^ help: use `dyn`: `dyn Reader<T, E>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/readers_builder.rs:6:52
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct ReadersBuilder<T, E>(pub(crate) Vec<Arc<Reader<T, E>>>);
[INFO] [stderr]   |                                                    ^^^^^^^^^^^^ help: use `dyn`: `dyn Reader<T, E>`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `T` is never used
[INFO] [stderr]  --> src/readers.rs:9:20
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct Readers<T, E>(Vec<Arc<Reader<T, E>>>);
[INFO] [stderr]   |                    ^ unused parameter
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider removing `T`, referring to it in a field, or using a marker such as `core::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `E` is never used
[INFO] [stderr]  --> src/readers.rs:9:23
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct Readers<T, E>(Vec<Arc<Reader<T, E>>>);
[INFO] [stderr]   |                       ^ unused parameter
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider removing `E`, referring to it in a field, or using a marker such as `core::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `T` is never used
[INFO] [stderr]    --> src/readers.rs:110:28
[INFO] [stderr]     |
[INFO] [stderr] 110 | pub struct ReadersIter<'a, T, E>
[INFO] [stderr]     |                            ^ unused parameter
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider removing `T`, referring to it in a field, or using a marker such as `core::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `E` is never used
[INFO] [stderr]    --> src/readers.rs:110:31
[INFO] [stderr]     |
[INFO] [stderr] 110 | pub struct ReadersIter<'a, T, E>
[INFO] [stderr]     |                               ^ unused parameter
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider removing `E`, referring to it in a field, or using a marker such as `core::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `T` is never used
[INFO] [stderr]  --> src/readers_builder.rs:6:27
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct ReadersBuilder<T, E>(pub(crate) Vec<Arc<Reader<T, E>>>);
[INFO] [stderr]   |                           ^ unused parameter
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider removing `T`, referring to it in a field, or using a marker such as `core::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `E` is never used
[INFO] [stderr]  --> src/readers_builder.rs:6:30
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct ReadersBuilder<T, E>(pub(crate) Vec<Arc<Reader<T, E>>>);
[INFO] [stderr]   |                              ^ unused parameter
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider removing `E`, referring to it in a field, or using a marker such as `core::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `T` is never used
[INFO] [stderr]  --> src/readers_lexer.rs:5:29
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct ReadersLexer<'a, T, E, I>
[INFO] [stderr]   |                             ^ unused parameter
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider removing `T`, referring to it in a field, or using a marker such as `core::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `E` is never used
[INFO] [stderr]  --> src/readers_lexer.rs:5:32
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct ReadersLexer<'a, T, E, I>
[INFO] [stderr]   |                                ^ unused parameter
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider removing `E`, referring to it in a field, or using a marker such as `core::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `T` is never used
[INFO] [stderr]  --> src/readers.rs:9:20
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct Readers<T, E>(Vec<Arc<Reader<T, E>>>);
[INFO] [stderr]   |                    ^ unused parameter
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider removing `T`, referring to it in a field, or using a marker such as `core::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `E` is never used
[INFO] [stderr]  --> src/readers.rs:9:23
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct Readers<T, E>(Vec<Arc<Reader<T, E>>>);
[INFO] [stderr]   |                       ^ unused parameter
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider removing `E`, referring to it in a field, or using a marker such as `core::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `T` is never used
[INFO] [stderr]    --> src/readers.rs:110:28
[INFO] [stderr]     |
[INFO] [stderr] 110 | pub struct ReadersIter<'a, T, E>
[INFO] [stderr]     |                            ^ unused parameter
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider removing `T`, referring to it in a field, or using a marker such as `core::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `E` is never used
[INFO] [stderr]    --> src/readers.rs:110:31
[INFO] [stderr]     |
[INFO] [stderr] 110 | pub struct ReadersIter<'a, T, E>
[INFO] [stderr]     |                               ^ unused parameter
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider removing `E`, referring to it in a field, or using a marker such as `core::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `T` is never used
[INFO] [stderr]  --> src/readers_builder.rs:6:27
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct ReadersBuilder<T, E>(pub(crate) Vec<Arc<Reader<T, E>>>);
[INFO] [stderr]   |                           ^ unused parameter
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider removing `T`, referring to it in a field, or using a marker such as `core::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `E` is never used
[INFO] [stderr]  --> src/readers_builder.rs:6:30
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct ReadersBuilder<T, E>(pub(crate) Vec<Arc<Reader<T, E>>>);
[INFO] [stderr]   |                              ^ unused parameter
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider removing `E`, referring to it in a field, or using a marker such as `core::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `T` is never used
[INFO] [stderr]  --> src/readers_lexer.rs:5:29
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct ReadersLexer<'a, T, E, I>
[INFO] [stderr]   |                             ^ unused parameter
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider removing `T`, referring to it in a field, or using a marker such as `core::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `E` is never used
[INFO] [stderr]  --> src/readers_lexer.rs:5:32
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct ReadersLexer<'a, T, E, I>
[INFO] [stderr]   |                                ^ unused parameter
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider removing `E`, referring to it in a field, or using a marker such as `core::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 10 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0392, E0432.
[INFO] [stderr] For more information about an error, try `rustc --explain E0392`.
[INFO] [stderr] error: aborting due to 10 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0392, E0432.
[INFO] [stderr] For more information about an error, try `rustc --explain E0392`.
[INFO] [stderr] error: could not compile `lexer`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `lexer`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4ccef9a0d98038aad213f2289df1391d0b89b4ad50059f3953170ac056534b48"`
[INFO] running `"docker" "rm" "-f" "4ccef9a0d98038aad213f2289df1391d0b89b4ad50059f3953170ac056534b48"`
[INFO] [stdout] 4ccef9a0d98038aad213f2289df1391d0b89b4ad50059f3953170ac056534b48