[INFO] fetching crate dsc 0.1.3...
[INFO] testing dsc-0.1.3 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate dsc 0.1.3 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate dsc 0.1.3
[INFO] finished tweaking crates.io crate dsc 0.1.3
[INFO] tweaked toml for crates.io crate dsc 0.1.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dsc 0.1.3 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dsc 0.1.3 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c159370dd379581e689a542ad27a97ff9210bada7ecef235d29b44a890bf5bff
[INFO] running `Command { std: "docker" "start" "-a" "c159370dd379581e689a542ad27a97ff9210bada7ecef235d29b44a890bf5bff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c159370dd379581e689a542ad27a97ff9210bada7ecef235d29b44a890bf5bff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c159370dd379581e689a542ad27a97ff9210bada7ecef235d29b44a890bf5bff", kill_on_drop: false }`
[INFO] [stdout] c159370dd379581e689a542ad27a97ff9210bada7ecef235d29b44a890bf5bff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68e3ff2ecd5bec50f26f62b6fb5c4fc9cf5290ee92462d7388138e238a2d5353
[INFO] running `Command { std: "docker" "start" "-a" "68e3ff2ecd5bec50f26f62b6fb5c4fc9cf5290ee92462d7388138e238a2d5353", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling anyhow v1.0.37
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling number_prefix v0.3.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling throttle v0.1.0
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling xxhash-rust v0.8.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling terminal_size v0.1.15
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling crossbeam v0.8.0
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling console v0.14.0
[INFO] [stderr]    Compiling format_num v0.1.0
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling indicatif v0.15.0
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling globset v0.4.6
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling ignore v0.4.17
[INFO] [stderr]    Compiling dsc v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `OngoingDuplicate` is never constructed
[INFO] [stdout]   --> src/duplicate_detection/messages.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct OngoingDuplicate {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `total_duplicates_found` is never read
[INFO] [stdout]   --> src/duplicate_detection/messages.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct AnalysisStatistics {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] 41 |     pub total_completed_investigations: u64,
[INFO] [stdout] 42 |     pub total_duplicates_found: u64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AnalysisStatistics` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `initial_block_size` is never read
[INFO] [stdout]   --> src/options.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Options {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub initial_block_size: u64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Options` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/concurrency/select.rs:45:19
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn select(&mut self) -> (T, SelectedOperation) {
[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] 45 |     pub fn select(&mut self) -> (T, SelectedOperation<'_>) {
[INFO] [stdout]    |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/concurrency/semaphore.rs:99:19
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn access(&self, lease_count: usize) -> SemaphoreGuard {
[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] 99 |     pub fn access(&self, lease_count: usize) -> SemaphoreGuard<'_> {
[INFO] [stdout]    |                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.93s
[INFO] running `Command { std: "docker" "inspect" "68e3ff2ecd5bec50f26f62b6fb5c4fc9cf5290ee92462d7388138e238a2d5353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68e3ff2ecd5bec50f26f62b6fb5c4fc9cf5290ee92462d7388138e238a2d5353", kill_on_drop: false }`
[INFO] [stdout] 68e3ff2ecd5bec50f26f62b6fb5c4fc9cf5290ee92462d7388138e238a2d5353
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80dd508022f5df3d8c3accdbd736dc1cd13a4401d0b763ff900c33037627676f
[INFO] running `Command { std: "docker" "start" "-a" "80dd508022f5df3d8c3accdbd736dc1cd13a4401d0b763ff900c33037627676f", kill_on_drop: false }`
[INFO] [stderr]    Compiling dsc v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `OngoingDuplicate` is never constructed
[INFO] [stdout]   --> src/duplicate_detection/messages.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct OngoingDuplicate {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `total_duplicates_found` is never read
[INFO] [stdout]   --> src/duplicate_detection/messages.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct AnalysisStatistics {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] 41 |     pub total_completed_investigations: u64,
[INFO] [stdout] 42 |     pub total_duplicates_found: u64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AnalysisStatistics` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `initial_block_size` is never read
[INFO] [stdout]   --> src/options.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Options {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub initial_block_size: u64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Options` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/concurrency/select.rs:45:19
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn select(&mut self) -> (T, SelectedOperation) {
[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] 45 |     pub fn select(&mut self) -> (T, SelectedOperation<'_>) {
[INFO] [stdout]    |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/concurrency/semaphore.rs:99:19
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn access(&self, lease_count: usize) -> SemaphoreGuard {
[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] 99 |     pub fn access(&self, lease_count: usize) -> SemaphoreGuard<'_> {
[INFO] [stdout]    |                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "80dd508022f5df3d8c3accdbd736dc1cd13a4401d0b763ff900c33037627676f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80dd508022f5df3d8c3accdbd736dc1cd13a4401d0b763ff900c33037627676f", kill_on_drop: false }`
[INFO] [stdout] 80dd508022f5df3d8c3accdbd736dc1cd13a4401d0b763ff900c33037627676f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3b6b30d1119d345ae99ed9c59fa1035e2e71fbb2fb303a77895d6d7b29b943d5
[INFO] running `Command { std: "docker" "start" "-a" "3b6b30d1119d345ae99ed9c59fa1035e2e71fbb2fb303a77895d6d7b29b943d5", kill_on_drop: false }`
[INFO] [stderr] warning: struct `OngoingDuplicate` is never constructed
[INFO] [stderr]   --> src/duplicate_detection/messages.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub struct OngoingDuplicate {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `total_duplicates_found` is never read
[INFO] [stderr]   --> src/duplicate_detection/messages.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub struct AnalysisStatistics {
[INFO] [stderr]    |            ------------------ field in this struct
[INFO] [stderr] 41 |     pub total_completed_investigations: u64,
[INFO] [stderr] 42 |     pub total_duplicates_found: u64,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `AnalysisStatistics` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `initial_block_size` is never read
[INFO] [stderr]   --> src/options.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub struct Options {
[INFO] [stderr]    |            ------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 33 |     pub initial_block_size: u64,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Options` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/concurrency/select.rs:45:19
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn select(&mut self) -> (T, SelectedOperation) {
[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] 45 |     pub fn select(&mut self) -> (T, SelectedOperation<'_>) {
[INFO] [stderr]    |                                                      ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/concurrency/semaphore.rs:99:19
[INFO] [stderr]    |
[INFO] [stderr] 99 |     pub fn access(&self, lease_count: usize) -> SemaphoreGuard {
[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] 99 |     pub fn access(&self, lease_count: usize) -> SemaphoreGuard<'_> {
[INFO] [stderr]    |                                                               ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `dsc` (bin "dsc" test) generated 5 warnings (run `cargo fix --bin "dsc" -p dsc --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/dsc-b2e9d2fccb6ed1a0)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test candidate_selection::hashing::hash_instructions::tests::correctly_calculates_block_limited_work_size ... ok
[INFO] [stdout] test candidate_selection::hashing::hash_instructions::tests::correctly_calculates_limited_work_size ... ok
[INFO] [stdout] test candidate_selection::hashing::hashing_strategy::tests::sampling_strategy_reach_until_end ... ok
[INFO] [stdout] test candidate_selection::hashing::hashing_strategy::tests::complete_strategy ... ok
[INFO] [stdout] test concurrency::select::tests::select_recv ... ok
[INFO] [stdout] test concurrency::select::tests::select_send ... ok
[INFO] [stdout] test concurrency::semaphore::tests::test_sem_acquire_release ... ok
[INFO] [stdout] test concurrency::semaphore::tests::test_sem_basic ... ok
[INFO] [stdout] test concurrency::semaphore::tests::test_sem_multi_acquire_release ... ok
[INFO] [stdout] test concurrency::semaphore::tests::test_sem_multi_resource ... ok
[INFO] [stdout] test candidate_selection::hashing::hashing_strategy::tests::sampling_strategy_seek_back_to_end ... ok
[INFO] [stdout] test concurrency::semaphore::tests::test_sem_runtime_friendly_blocking ... ok
[INFO] [stdout] test concurrency::semaphore::tests::test_sem_as_mutex ... ok
[INFO] [stdout] test concurrency::semaphore::tests::test_sem_as_cvar ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3b6b30d1119d345ae99ed9c59fa1035e2e71fbb2fb303a77895d6d7b29b943d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b6b30d1119d345ae99ed9c59fa1035e2e71fbb2fb303a77895d6d7b29b943d5", kill_on_drop: false }`
[INFO] [stdout] 3b6b30d1119d345ae99ed9c59fa1035e2e71fbb2fb303a77895d6d7b29b943d5
