[INFO] fetching crate concread 0.4.3...
[INFO] checking concread-0.4.3 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate concread 0.4.3 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate concread 0.4.3 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate concread 0.4.3
[INFO] finished tweaking crates.io crate concread 0.4.3
[INFO] tweaked toml for crates.io crate concread 0.4.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded function_name v0.3.0
[INFO] [stderr]   Downloaded sptr v0.3.2
[INFO] [stderr]   Downloaded function_name-proc-macro v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fe793f9b63eeeb52c9ee9fd7a8e8c422e0ebc06e7680e8d8d69b878554096af
[INFO] running `Command { std: "docker" "start" "-a" "4fe793f9b63eeeb52c9ee9fd7a8e8c422e0ebc06e7680e8d8d69b878554096af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fe793f9b63eeeb52c9ee9fd7a8e8c422e0ebc06e7680e8d8d69b878554096af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fe793f9b63eeeb52c9ee9fd7a8e8c422e0ebc06e7680e8d8d69b878554096af", kill_on_drop: false }`
[INFO] [stdout] 4fe793f9b63eeeb52c9ee9fd7a8e8c422e0ebc06e7680e8d8d69b878554096af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6ce0a258ced31371c4a18b00d2d463e30cfc4f7a44e588a77b8e5be7400f3d5
[INFO] running `Command { std: "docker" "start" "-a" "e6ce0a258ced31371c4a18b00d2d463e30cfc4f7a44e588a77b8e5be7400f3d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling syn v2.0.57
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking lru v0.7.8
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]    Compiling function_name-proc-macro v0.3.0
[INFO] [stderr]     Checking time-core v0.1.2
[INFO] [stderr]     Checking sptr v0.3.2
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking num-conv v0.1.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking function_name v0.3.0
[INFO] [stderr]     Checking uuid v1.8.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking concread v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: the item `Send` is imported redundantly
[INFO] [stdout]   --> src/ebrcell/mod.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::marker::Send;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Send` is already defined here
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/arcache/mod.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | use std::convert::TryFrom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Extend` is imported redundantly
[INFO] [stdout]   --> src/internals/bptree/cursor.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::iter::Extend;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Extend` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] error: method `get_root_ref` is never used
[INFO] [stdout]    --> src/internals/bptree/cursor.rs:175:8
[INFO] [stdout]     |
[INFO] [stdout] 174 | pub(crate) trait CursorReadOps<K: Clone + Ord + Debug, V: Clone> {
[INFO] [stdout]     |                  ------------- method in this trait
[INFO] [stdout] 175 |     fn get_root_ref(&self) -> &Node<K, V>;
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(dead_code)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: field `txid` is never read
[INFO] [stdout]    --> src/internals/hashmap/cursor.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub(crate) struct CursorRead<K, V>
[INFO] [stdout]     |                   ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 142 |     txid: u64,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CursorRead` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: methods `get_root_ref`, `get_txid`, and `contains_key` are never used
[INFO] [stdout]    --> src/internals/hashmap/cursor.rs:183:8
[INFO] [stdout]     |
[INFO] [stdout] 182 | pub(crate) trait CursorReadOps<K: Clone + Hash + Eq + Debug, V: Clone> {
[INFO] [stdout]     |                  ------------- methods in this trait
[INFO] [stdout] 183 |     fn get_root_ref(&self) -> &Node<K, V>;
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 189 |     fn get_txid(&self) -> u64;
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 230 |     fn contains_key<'a, 'b, Q: ?Sized>(&'a self, h: u64, k: &'b Q) -> bool
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: methods `verify_inner` and `verify` are never used
[INFO] [stdout]    --> src/internals/hashtrie/cursor.rs:563:8
[INFO] [stdout]     |
[INFO] [stdout] 504 | pub(crate) trait CursorReadOps<K: Clone + Hash + Eq + Debug, V: Clone> {
[INFO] [stdout]     |                  ------------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 563 |     fn verify_inner(&self, expect_clean: bool) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 598 |     fn verify(&self);
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `concread` (lib) due to 8 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e6ce0a258ced31371c4a18b00d2d463e30cfc4f7a44e588a77b8e5be7400f3d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6ce0a258ced31371c4a18b00d2d463e30cfc4f7a44e588a77b8e5be7400f3d5", kill_on_drop: false }`
[INFO] [stdout] e6ce0a258ced31371c4a18b00d2d463e30cfc4f7a44e588a77b8e5be7400f3d5
[INFO] checking concread-0.4.3 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate concread 0.4.3 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate concread 0.4.3 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate concread 0.4.3
[INFO] finished tweaking crates.io crate concread 0.4.3
[INFO] tweaked toml for crates.io crate concread 0.4.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd89233b5881026b1c6f12ae5f316343bd0a0f865310a723fcbd49e8ff6a09f4
[INFO] running `Command { std: "docker" "start" "-a" "fd89233b5881026b1c6f12ae5f316343bd0a0f865310a723fcbd49e8ff6a09f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd89233b5881026b1c6f12ae5f316343bd0a0f865310a723fcbd49e8ff6a09f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd89233b5881026b1c6f12ae5f316343bd0a0f865310a723fcbd49e8ff6a09f4", kill_on_drop: false }`
[INFO] [stdout] fd89233b5881026b1c6f12ae5f316343bd0a0f865310a723fcbd49e8ff6a09f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c60856607b4b1e20bd6a9bbf5872d127cfaaf8fe9031097a265f2d5a87d8995e
[INFO] running `Command { std: "docker" "start" "-a" "c60856607b4b1e20bd6a9bbf5872d127cfaaf8fe9031097a265f2d5a87d8995e", kill_on_drop: false }`
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling syn v2.0.57
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking lru v0.7.8
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking sptr v0.3.2
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]    Compiling function_name-proc-macro v0.3.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking time-core v0.1.2
[INFO] [stderr]     Checking num-conv v0.1.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]     Checking function_name v0.3.0
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking uuid v1.8.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking concread v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: the item `Send` is imported redundantly
[INFO] [stdout]   --> src/ebrcell/mod.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::marker::Send;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Send` is already defined here
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/arcache/mod.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | use std::convert::TryFrom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Extend` is imported redundantly
[INFO] [stdout]   --> src/internals/bptree/cursor.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::iter::Extend;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Extend` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] error: method `get_root_ref` is never used
[INFO] [stdout]    --> src/internals/bptree/cursor.rs:175:8
[INFO] [stdout]     |
[INFO] [stdout] 174 | pub(crate) trait CursorReadOps<K: Clone + Ord + Debug, V: Clone> {
[INFO] [stdout]     |                  ------------- method in this trait
[INFO] [stdout] 175 |     fn get_root_ref(&self) -> &Node<K, V>;
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(dead_code)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: field `txid` is never read
[INFO] [stdout]    --> src/internals/hashmap/cursor.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub(crate) struct CursorRead<K, V>
[INFO] [stdout]     |                   ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 142 |     txid: u64,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CursorRead` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: methods `get_root_ref`, `get_txid`, and `contains_key` are never used
[INFO] [stdout]    --> src/internals/hashmap/cursor.rs:183:8
[INFO] [stdout]     |
[INFO] [stdout] 182 | pub(crate) trait CursorReadOps<K: Clone + Hash + Eq + Debug, V: Clone> {
[INFO] [stdout]     |                  ------------- methods in this trait
[INFO] [stdout] 183 |     fn get_root_ref(&self) -> &Node<K, V>;
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 189 |     fn get_txid(&self) -> u64;
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 230 |     fn contains_key<'a, 'b, Q: ?Sized>(&'a self, h: u64, k: &'b Q) -> bool
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: methods `verify_inner` and `verify` are never used
[INFO] [stdout]    --> src/internals/hashtrie/cursor.rs:563:8
[INFO] [stdout]     |
[INFO] [stdout] 504 | pub(crate) trait CursorReadOps<K: Clone + Hash + Eq + Debug, V: Clone> {
[INFO] [stdout]     |                  ------------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 563 |     fn verify_inner(&self, expect_clean: bool) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 598 |     fn verify(&self);
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `concread` (lib) due to 8 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c60856607b4b1e20bd6a9bbf5872d127cfaaf8fe9031097a265f2d5a87d8995e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c60856607b4b1e20bd6a9bbf5872d127cfaaf8fe9031097a265f2d5a87d8995e", kill_on_drop: false }`
[INFO] [stdout] c60856607b4b1e20bd6a9bbf5872d127cfaaf8fe9031097a265f2d5a87d8995e
