[INFO] fetching crate lz-fear 0.2.0...
[INFO] checking lz-fear-0.2.0 against master#82310651b93a594a3fd69015e1562186a080d94c for pr-145770
[INFO] extracting crate lz-fear 0.2.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate lz-fear 0.2.0
[INFO] finished tweaking crates.io crate lz-fear 0.2.0
[INFO] tweaked toml for crates.io crate lz-fear 0.2.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate lz-fear 0.2.0 on toolchain 82310651b93a594a3fd69015e1562186a080d94c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate lz-fear 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror v1.0.14
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[INFO] [stderr]   Downloaded thiserror-impl v1.0.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c2ec7b12f1ba5c52b551d4ad732e4554fee279750914765c1fdaf6383aa3acf
[INFO] running `Command { std: "docker" "start" "-a" "7c2ec7b12f1ba5c52b551d4ad732e4554fee279750914765c1fdaf6383aa3acf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c2ec7b12f1ba5c52b551d4ad732e4554fee279750914765c1fdaf6383aa3acf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c2ec7b12f1ba5c52b551d4ad732e4554fee279750914765c1fdaf6383aa3acf", kill_on_drop: false }`
[INFO] [stdout] 7c2ec7b12f1ba5c52b551d4ad732e4554fee279750914765c1fdaf6383aa3acf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c9f66a2ae69a241981159508983b20cb08b5765411fa388f5482c590af10e6a
[INFO] running `Command { std: "docker" "start" "-a" "4c9f66a2ae69a241981159508983b20cb08b5765411fa388f5482c590af10e6a", kill_on_drop: false }`
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[INFO] [stderr]     Checking lz-fear v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/framed/decompress.rs:180:56
[INFO] [stdout]     |
[INFO] [stdout] 180 |     pub fn into_read_with_dictionary(self, dictionary: &[u8]) -> LZ4FrameIoReader<R> {
[INFO] [stdout]     |                                                        ^^^^^     ------------------- the same lifetime is hidden here
[INFO] [stdout]     |                                                        |
[INFO] [stdout]     |                                                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 180 |     pub fn into_read_with_dictionary(self, dictionary: &[u8]) -> LZ4FrameIoReader<'_, R> {
[INFO] [stdout]     |                                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> tests/output_equivalence.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |             continue;
[INFO] [stdout]    |             -------- any code following this expression is unreachable
[INFO] [stdout] 74 |             settings.block_size(256 * 1024);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `benches/../sh.lz4`: No such file or directory (os error 2)
[INFO] [stdout]   --> benches/my_benchmark.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let cargo = include_bytes!("../sh.lz4") as &[u8];
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `lz4_compression`
[INFO] [stdout]  --> benches/my_benchmark.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use lz4_compression::decompress::decompress;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `lz4_compression`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `lz4_compression`, use `cargo add lz4_compression` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `lz4_compression`
[INFO] [stdout]  --> benches/my_benchmark.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use lz4_compression::compress::compress;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `lz4_compression`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `lz4_compression`, use `cargo add lz4_compression` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `lz4_compression`
[INFO] [stdout]  --> benches/my_benchmark.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use lz4_compression::decompress_file;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `lz4_compression`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `lz4_compression`, use `cargo add lz4_compression` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `black_box`
[INFO] [stdout]  --> benches/my_benchmark.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use criterion::{black_box, criterion_group, criterion_main, Criterion};
[INFO] [stdout]   |                 ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lz-fear` (bench "my_benchmark") due to 4 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `lz4_reader`
[INFO] [stdout]   --> examples/roundtrip.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut lz4_reader = LZ4FrameReader::new(Cursor::new(output))
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lz4_reader`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/roundtrip.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut lz4_reader = LZ4FrameReader::new(Cursor::new(output))
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> examples/delz4.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         drop(buf);
[INFO] [stdout]    |         ^^^^^---^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `&[u8]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 18 -         drop(buf);
[INFO] [stdout] 18 +         let _ = buf;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/framed/decompress.rs:180:56
[INFO] [stdout]     |
[INFO] [stdout] 180 |     pub fn into_read_with_dictionary(self, dictionary: &[u8]) -> LZ4FrameIoReader<R> {
[INFO] [stdout]     |                                                        ^^^^^     ------------------- the same lifetime is hidden here
[INFO] [stdout]     |                                                        |
[INFO] [stdout]     |                                                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 180 |     pub fn into_read_with_dictionary(self, dictionary: &[u8]) -> LZ4FrameIoReader<'_, R> {
[INFO] [stdout]     |                                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4c9f66a2ae69a241981159508983b20cb08b5765411fa388f5482c590af10e6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c9f66a2ae69a241981159508983b20cb08b5765411fa388f5482c590af10e6a", kill_on_drop: false }`
[INFO] [stdout] 4c9f66a2ae69a241981159508983b20cb08b5765411fa388f5482c590af10e6a
