[INFO] fetching crate grenad 0.5.0...
[INFO] testing grenad-0.5.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate grenad 0.5.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate grenad 0.5.0
[INFO] finished tweaking crates.io crate grenad 0.5.0
[INFO] tweaked toml for crates.io crate grenad 0.5.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate grenad 0.5.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 110 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.7.0)
[INFO] [stderr]       Adding grenad v0.4.7 (available: v0.5.0)
[INFO] [stderr]       Adding quickcheck v0.9.2 (available: v1.0.3)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 770444df20958b17eb0246e8dace84a43aa1e53fe55291b13d5cf980e44047fb
[INFO] running `Command { std: "docker" "start" "-a" "770444df20958b17eb0246e8dace84a43aa1e53fe55291b13d5cf980e44047fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "770444df20958b17eb0246e8dace84a43aa1e53fe55291b13d5cf980e44047fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "770444df20958b17eb0246e8dace84a43aa1e53fe55291b13d5cf980e44047fb", kill_on_drop: false }`
[INFO] [stdout] 770444df20958b17eb0246e8dace84a43aa1e53fe55291b13d5cf980e44047fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e9d04b2d20b685a48c49a748cf0afdda2d94bb53e2d39afe6374d663e16e45e
[INFO] running `Command { std: "docker" "start" "-a" "4e9d04b2d20b685a48c49a748cf0afdda2d94bb53e2d39afe6374d663e16e45e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling snap v1.1.1
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling bytemuck_derive v1.10.1
[INFO] [stderr]    Compiling bytemuck v1.23.2
[INFO] [stderr]    Compiling grenad v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/block_writer.rs:126:19
[INFO] [stdout]     |
[INFO] [stdout] 126 |     pub fn finish(&mut self) -> BlockBuffer {
[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] 126 |     pub fn finish(&mut self) -> BlockBuffer<'_> {
[INFO] [stdout]     |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/compression.rs:85:59
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub fn compress(type_: CompressionType, level: u32, data: &[u8]) -> io::Result<Cow<[u8]>> {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub fn compress(type_: CompressionType, level: u32, data: &[u8]) -> io::Result<Cow<'_, [u8]>> {
[INFO] [stdout]    |                                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compression.rs:120:25
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn zlib_compress(_data: &[u8], _level: u32) -> io::Result<Cow<[u8]>> {
[INFO] [stdout]     |                         ^^^^^ the lifetime is elided here --------- the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn zlib_compress(_data: &[u8], _level: u32) -> io::Result<Cow<'_, [u8]>> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compression.rs:141:33
[INFO] [stdout]     |
[INFO] [stdout] 141 | fn snappy_pre_05_compress(data: &[u8], _level: u32) -> io::Result<Cow<[u8]>> {
[INFO] [stdout]     |                                 ^^^^^ the lifetime is elided here --------- the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 141 | fn snappy_pre_05_compress(data: &[u8], _level: u32) -> io::Result<Cow<'_, [u8]>> {
[INFO] [stdout]     |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compression.rs:165:26
[INFO] [stdout]     |
[INFO] [stdout] 165 | fn snappy_compress(data: &[u8], _level: u32) -> io::Result<Cow<[u8]>> {
[INFO] [stdout]     |                          ^^^^^ the lifetime is elided here --------- the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 165 | fn snappy_compress(data: &[u8], _level: u32) -> io::Result<Cow<'_, [u8]>> {
[INFO] [stdout]     |                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compression.rs:198:25
[INFO] [stdout]     |
[INFO] [stdout] 198 | fn zstd_compress(_data: &[u8], _level: u32) -> io::Result<Cow<[u8]>> {
[INFO] [stdout]     |                         ^^^^^ the lifetime is elided here --------- the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 198 | fn zstd_compress(_data: &[u8], _level: u32) -> io::Result<Cow<'_, [u8]>> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compression.rs:224:24
[INFO] [stdout]     |
[INFO] [stdout] 224 | fn lz4_compress(_data: &[u8], _level: u32) -> io::Result<Cow<[u8]>> {
[INFO] [stdout]     |                        ^^^^^ the lifetime is elided here --------- the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 224 | fn lz4_compress(_data: &[u8], _level: u32) -> io::Result<Cow<'_, [u8]>> {
[INFO] [stdout]     |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.79s
[INFO] running `Command { std: "docker" "inspect" "4e9d04b2d20b685a48c49a748cf0afdda2d94bb53e2d39afe6374d663e16e45e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e9d04b2d20b685a48c49a748cf0afdda2d94bb53e2d39afe6374d663e16e45e", kill_on_drop: false }`
[INFO] [stdout] 4e9d04b2d20b685a48c49a748cf0afdda2d94bb53e2d39afe6374d663e16e45e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06c1d4a937ecc2d1d1bbb7707b4c85634442926286665d9e0bc8c9ad03e06dbe
[INFO] running `Command { std: "docker" "start" "-a" "06c1d4a937ecc2d1d1bbb7707b4c85634442926286665d9e0bc8c9ad03e06dbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling grenad v0.4.7
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/block_writer.rs:126:19
[INFO] [stdout]     |
[INFO] [stdout] 126 |     pub fn finish(&mut self) -> BlockBuffer {
[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] 126 |     pub fn finish(&mut self) -> BlockBuffer<'_> {
[INFO] [stdout]     |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/compression.rs:85:59
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub fn compress(type_: CompressionType, level: u32, data: &[u8]) -> io::Result<Cow<[u8]>> {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub fn compress(type_: CompressionType, level: u32, data: &[u8]) -> io::Result<Cow<'_, [u8]>> {
[INFO] [stdout]    |                                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compression.rs:120:25
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn zlib_compress(_data: &[u8], _level: u32) -> io::Result<Cow<[u8]>> {
[INFO] [stdout]     |                         ^^^^^ the lifetime is elided here --------- the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn zlib_compress(_data: &[u8], _level: u32) -> io::Result<Cow<'_, [u8]>> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compression.rs:141:33
[INFO] [stdout]     |
[INFO] [stdout] 141 | fn snappy_pre_05_compress(data: &[u8], _level: u32) -> io::Result<Cow<[u8]>> {
[INFO] [stdout]     |                                 ^^^^^ the lifetime is elided here --------- the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 141 | fn snappy_pre_05_compress(data: &[u8], _level: u32) -> io::Result<Cow<'_, [u8]>> {
[INFO] [stdout]     |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compression.rs:165:26
[INFO] [stdout]     |
[INFO] [stdout] 165 | fn snappy_compress(data: &[u8], _level: u32) -> io::Result<Cow<[u8]>> {
[INFO] [stdout]     |                          ^^^^^ the lifetime is elided here --------- the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 165 | fn snappy_compress(data: &[u8], _level: u32) -> io::Result<Cow<'_, [u8]>> {
[INFO] [stdout]     |                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compression.rs:198:25
[INFO] [stdout]     |
[INFO] [stdout] 198 | fn zstd_compress(_data: &[u8], _level: u32) -> io::Result<Cow<[u8]>> {
[INFO] [stdout]     |                         ^^^^^ the lifetime is elided here --------- the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 198 | fn zstd_compress(_data: &[u8], _level: u32) -> io::Result<Cow<'_, [u8]>> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compression.rs:224:24
[INFO] [stdout]     |
[INFO] [stdout] 224 | fn lz4_compress(_data: &[u8], _level: u32) -> io::Result<Cow<[u8]>> {
[INFO] [stdout]     |                        ^^^^^ the lifetime is elided here --------- the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 224 | fn lz4_compress(_data: &[u8], _level: u32) -> io::Result<Cow<'_, [u8]>> {
[INFO] [stdout]     |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling grenad v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/block_writer.rs:126:19
[INFO] [stdout]     |
[INFO] [stdout] 126 |     pub fn finish(&mut self) -> BlockBuffer {
[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] 126 |     pub fn finish(&mut self) -> BlockBuffer<'_> {
[INFO] [stdout]     |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/compression.rs:85:59
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub fn compress(type_: CompressionType, level: u32, data: &[u8]) -> io::Result<Cow<[u8]>> {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub fn compress(type_: CompressionType, level: u32, data: &[u8]) -> io::Result<Cow<'_, [u8]>> {
[INFO] [stdout]    |                                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compression.rs:120:25
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn zlib_compress(_data: &[u8], _level: u32) -> io::Result<Cow<[u8]>> {
[INFO] [stdout]     |                         ^^^^^ the lifetime is elided here --------- the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn zlib_compress(_data: &[u8], _level: u32) -> io::Result<Cow<'_, [u8]>> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compression.rs:141:33
[INFO] [stdout]     |
[INFO] [stdout] 141 | fn snappy_pre_05_compress(data: &[u8], _level: u32) -> io::Result<Cow<[u8]>> {
[INFO] [stdout]     |                                 ^^^^^ the lifetime is elided here --------- the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 141 | fn snappy_pre_05_compress(data: &[u8], _level: u32) -> io::Result<Cow<'_, [u8]>> {
[INFO] [stdout]     |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compression.rs:165:26
[INFO] [stdout]     |
[INFO] [stdout] 165 | fn snappy_compress(data: &[u8], _level: u32) -> io::Result<Cow<[u8]>> {
[INFO] [stdout]     |                          ^^^^^ the lifetime is elided here --------- the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 165 | fn snappy_compress(data: &[u8], _level: u32) -> io::Result<Cow<'_, [u8]>> {
[INFO] [stdout]     |                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compression.rs:198:25
[INFO] [stdout]     |
[INFO] [stdout] 198 | fn zstd_compress(_data: &[u8], _level: u32) -> io::Result<Cow<[u8]>> {
[INFO] [stdout]     |                         ^^^^^ the lifetime is elided here --------- the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 198 | fn zstd_compress(_data: &[u8], _level: u32) -> io::Result<Cow<'_, [u8]>> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compression.rs:224:24
[INFO] [stdout]     |
[INFO] [stdout] 224 | fn lz4_compress(_data: &[u8], _level: u32) -> io::Result<Cow<[u8]>> {
[INFO] [stdout]     |                        ^^^^^ the lifetime is elided here --------- the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 224 | fn lz4_compress(_data: &[u8], _level: u32) -> io::Result<Cow<'_, [u8]>> {
[INFO] [stdout]     |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 42.28s
[INFO] running `Command { std: "docker" "inspect" "06c1d4a937ecc2d1d1bbb7707b4c85634442926286665d9e0bc8c9ad03e06dbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06c1d4a937ecc2d1d1bbb7707b4c85634442926286665d9e0bc8c9ad03e06dbe", kill_on_drop: false }`
[INFO] [stdout] 06c1d4a937ecc2d1d1bbb7707b4c85634442926286665d9e0bc8c9ad03e06dbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 13cd27f09aef047b6b75d9d998587ca1fc508b3b3e606c64da7228283a0ff32e
[INFO] running `Command { std: "docker" "start" "-a" "13cd27f09aef047b6b75d9d998587ca1fc508b3b3e606c64da7228283a0ff32e", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/block_writer.rs:126:19
[INFO] [stderr]     |
[INFO] [stderr] 126 |     pub fn finish(&mut self) -> BlockBuffer {
[INFO] [stderr]     |                   ^^^^^^^^^     ----------- the same lifetime is hidden here
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 126 |     pub fn finish(&mut self) -> BlockBuffer<'_> {
[INFO] [stderr]     |                                            ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/compression.rs:85:59
[INFO] [stderr]    |
[INFO] [stderr] 85 | pub fn compress(type_: CompressionType, level: u32, data: &[u8]) -> io::Result<Cow<[u8]>> {
[INFO] [stderr]    |                                                           ^^^^^                --------- the same lifetime is hidden here
[INFO] [stderr]    |                                                           |
[INFO] [stderr]    |                                                           the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 85 | pub fn compress(type_: CompressionType, level: u32, data: &[u8]) -> io::Result<Cow<'_, [u8]>> {
[INFO] [stderr]    |                                                                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/compression.rs:120:25
[INFO] [stderr]     |
[INFO] [stderr] 120 | fn zlib_compress(_data: &[u8], _level: u32) -> io::Result<Cow<[u8]>> {
[INFO] [stderr]     |                         ^^^^^ the lifetime is elided here --------- the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 120 | fn zlib_compress(_data: &[u8], _level: u32) -> io::Result<Cow<'_, [u8]>> {
[INFO] [stderr]     |                                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/compression.rs:141:33
[INFO] [stderr]     |
[INFO] [stderr] 141 | fn snappy_pre_05_compress(data: &[u8], _level: u32) -> io::Result<Cow<[u8]>> {
[INFO] [stderr]     |                                 ^^^^^ the lifetime is elided here --------- the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 141 | fn snappy_pre_05_compress(data: &[u8], _level: u32) -> io::Result<Cow<'_, [u8]>> {
[INFO] [stderr]     |                                                                       +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/compression.rs:165:26
[INFO] [stderr]     |
[INFO] [stderr] 165 | fn snappy_compress(data: &[u8], _level: u32) -> io::Result<Cow<[u8]>> {
[INFO] [stderr]     |                          ^^^^^ the lifetime is elided here --------- the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 165 | fn snappy_compress(data: &[u8], _level: u32) -> io::Result<Cow<'_, [u8]>> {
[INFO] [stderr]     |                                                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/compression.rs:198:25
[INFO] [stderr]     |
[INFO] [stderr] 198 | fn zstd_compress(_data: &[u8], _level: u32) -> io::Result<Cow<[u8]>> {
[INFO] [stderr]     |                         ^^^^^ the lifetime is elided here --------- the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 198 | fn zstd_compress(_data: &[u8], _level: u32) -> io::Result<Cow<'_, [u8]>> {
[INFO] [stderr]     |                                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/compression.rs:224:24
[INFO] [stderr]     |
[INFO] [stderr] 224 | fn lz4_compress(_data: &[u8], _level: u32) -> io::Result<Cow<[u8]>> {
[INFO] [stderr]     |                        ^^^^^ the lifetime is elided here --------- the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 224 | fn lz4_compress(_data: &[u8], _level: u32) -> io::Result<Cow<'_, [u8]>> {
[INFO] [stderr]     |                                                              +++
[INFO] [stderr] 
[INFO] [stderr] warning: `grenad` (lib) generated 7 warnings (run `cargo fix --lib -p grenad` to apply 7 suggestions)
[INFO] [stderr] warning: `grenad` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/grenad-7a1a57836210e72f)
[INFO] [stdout] 
[INFO] [stdout] running 34 tests
[INFO] [stdout] test block::tests::easy_iter ... ok
[INFO] [stdout] test block::tests::small_iter ... ok
[INFO] [stdout] test metadata::tests::check_metadata_v1_size ... ok
[INFO] [stdout] test metadata::tests::simple ... ok
[INFO] [stdout] test reader::prefix_iter::tests::prefix_iter_with_byte_255 ... ok
[INFO] [stdout] test metadata::tests::check_metadata_v2_size ... ok
[INFO] [stdout] test reader::prefix_iter::tests::rev_prefix_iter_with_byte_255 ... ok
[INFO] [stdout] test block::tests::easy_move_on_key_lower_than_or_equal ... ok
[INFO] [stdout] test reader::prefix_iter::tests::simple_advance_key ... ok
[INFO] [stdout] test block::tests::easy_rev_iter ... ok
[INFO] [stdout] test block::tests::simple ... ok
[INFO] [stdout] test block_writer::tests::easy_block ... ok
[INFO] [stdout] test block::tests::easy_move_on_key_greater_than_or_equal ... ok
[INFO] [stdout] test reader::reader_cursor::tests::empty ... ok
[INFO] [stdout] test reader::reader_cursor::tests::no_compression ... ok
[INFO] [stdout] test reader::reader_cursor::tests::qc_compare_to_binary_search ... ok
[INFO] [stdout] test reader::reader_cursor::tests::simple_empty ... ok
[INFO] [stdout] test reader::reader_cursor::tests::snappy_compression ... ok
[INFO] [stdout] test sorter::tests::correct_key_ordering ... ok
[INFO] [stdout] test sorter::tests::hard_cursorvec ... ok
[INFO] [stdout] test sorter::tests::simple_cursorvec ... ok
[INFO] [stdout] test sorter::tests::too_big_allocation - should panic ... ok
[INFO] [stdout] test varint::tests::qc_codec_u32 ... ok
[INFO] [stdout] test writer::tests::backward_compatibility_0_4_snappy_compression ... ok
[INFO] [stdout] test writer::tests::no_compression ... ok
[INFO] [stdout] test writer::tests::no_compression_index_levels_2 ... ok
[INFO] [stdout] test writer::tests::snappy_compression ... ok
[INFO] [stdout] test reader::reader_cursor::tests::easy_move_on_key_lower_than_or_equal_index_levels_2 ... ok
[INFO] [stdout] test reader::reader_cursor::tests::easy_move_on_key_greater_than_or_equal ... ok
[INFO] [stdout] test reader::reader_cursor::tests::easy_move_on_key_greater_than_or_equal_index_levels_2 ... ok
[INFO] [stdout] test reader::reader_cursor::tests::easy_move_on_key_lower_than_or_equal ... ok
[INFO] [stdout] test reader::range_iter::tests::range_iter ... ok
[INFO] [stdout] test reader::prefix_iter::tests::simple_prefix ... ok
[INFO] [stdout] test reader::range_iter::tests::rev_range_iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 17.92s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests grenad
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 69) ... ok
[INFO] [stdout] test src/lib.rs - (line 142) ... ok
[INFO] [stdout] test src/lib.rs - (line 33) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.42s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "13cd27f09aef047b6b75d9d998587ca1fc508b3b3e606c64da7228283a0ff32e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13cd27f09aef047b6b75d9d998587ca1fc508b3b3e606c64da7228283a0ff32e", kill_on_drop: false }`
[INFO] [stdout] 13cd27f09aef047b6b75d9d998587ca1fc508b3b3e606c64da7228283a0ff32e