[INFO] fetching crate concread 0.1.20... [INFO] checking concread-0.1.20 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502 [INFO] extracting crate concread 0.1.20 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate concread 0.1.20 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate concread 0.1.20 [INFO] finished tweaking crates.io crate concread 0.1.20 [INFO] tweaked toml for crates.io crate concread 0.1.20 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate crates.io crate concread 0.1.20 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 24553e2aacf29051a6628d0a4a45d629ec51bf73dc792f5f6d58566447bfe1b9 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "24553e2aacf29051a6628d0a4a45d629ec51bf73dc792f5f6d58566447bfe1b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "24553e2aacf29051a6628d0a4a45d629ec51bf73dc792f5f6d58566447bfe1b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "24553e2aacf29051a6628d0a4a45d629ec51bf73dc792f5f6d58566447bfe1b9", kill_on_drop: false }` [INFO] [stdout] 24553e2aacf29051a6628d0a4a45d629ec51bf73dc792f5f6d58566447bfe1b9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5ab0f941412639a136d6fbe3a5adaada9d5f4083f5a10433036b2b9861fd7ac6 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "5ab0f941412639a136d6fbe3a5adaada9d5f4083f5a10433036b2b9861fd7ac6", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.33 [INFO] [stderr] Checking ppv-lite86 v0.2.8 [INFO] [stderr] Checking smallvec v1.4.0 [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling standback v0.2.9 [INFO] [stderr] Compiling time v0.2.16 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling memoffset v0.5.5 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling num-iter v0.1.41 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking parking_lot_core v0.7.2 [INFO] [stderr] Compiling const-random-macro v0.1.8 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking parking_lot v0.10.2 [INFO] [stderr] Checking crossbeam-channel v0.4.2 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking const-random v0.1.8 [INFO] [stderr] Checking ahash v0.3.8 [INFO] [stderr] Checking crossbeam v0.7.3 [INFO] [stderr] Checking num v0.2.1 [INFO] [stderr] Checking concread v0.1.20 (/opt/rustwide/workdir) [INFO] [stdout] warning: type `u64x8` should have an upper camel case name [INFO] [stdout] --> src/collections/hashmap/node.rs:42:12 [INFO] [stdout] | [INFO] [stdout] 42 | pub struct u64x8 { [INFO] [stdout] | ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `U64x8` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `tree_density` [INFO] [stdout] --> src/collections/bptree/cursor.rs:477:19 [INFO] [stdout] | [INFO] [stdout] 477 | pub(crate) fn tree_density(&self) -> (usize, usize) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_txid` [INFO] [stdout] --> src/collections/bptree/node.rs:254:19 [INFO] [stdout] | [INFO] [stdout] 254 | pub(crate) fn get_txid(&self) -> u64 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_branch` [INFO] [stdout] --> src/collections/bptree/node.rs:264:19 [INFO] [stdout] | [INFO] [stdout] 264 | pub(crate) fn is_branch(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `tree_density` [INFO] [stdout] --> src/collections/bptree/node.rs:268:19 [INFO] [stdout] | [INFO] [stdout] 268 | pub(crate) fn tree_density(&self) -> (usize, usize) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_count` [INFO] [stdout] --> src/collections/bptree/node.rs:488:8 [INFO] [stdout] | [INFO] [stdout] 488 | fn set_count(&mut self, c: usize) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_count` [INFO] [stdout] --> src/collections/bptree/node.rs:823:8 [INFO] [stdout] | [INFO] [stdout] 823 | fn set_count(&mut self, c: usize) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `pin` [INFO] [stdout] --> src/collections/bptree/mod.rs:61:5 [INFO] [stdout] | [INFO] [stdout] 61 | pin: Arc>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_txid` [INFO] [stdout] --> src/collections/bptree/mod.rs:269:19 [INFO] [stdout] | [INFO] [stdout] 269 | pub(crate) fn get_txid(&self) -> u64 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_txid` [INFO] [stdout] --> src/collections/bptree/mod.rs:436:19 [INFO] [stdout] | [INFO] [stdout] 436 | pub(crate) fn get_txid(&self) -> u64 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `tree_density` [INFO] [stdout] --> src/collections/hashmap/cursor.rs:408:19 [INFO] [stdout] | [INFO] [stdout] 408 | pub(crate) fn tree_density(&self) -> (usize, usize, usize) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `pin` [INFO] [stdout] --> src/collections/hashmap/map.rs:72:5 [INFO] [stdout] | [INFO] [stdout] 72 | pin: Arc>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `data` [INFO] [stdout] --> src/collections/hashmap/node.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 43 | data: [u64; 8], [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_txid` [INFO] [stdout] --> src/collections/hashmap/node.rs:286:19 [INFO] [stdout] | [INFO] [stdout] 286 | pub(crate) fn get_txid(&self) -> u64 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_branch` [INFO] [stdout] --> src/collections/hashmap/node.rs:296:19 [INFO] [stdout] | [INFO] [stdout] 296 | pub(crate) fn is_branch(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `tree_density` [INFO] [stdout] --> src/collections/hashmap/node.rs:300:19 [INFO] [stdout] | [INFO] [stdout] 300 | pub(crate) fn tree_density(&self) -> (usize, usize, usize) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_slots` [INFO] [stdout] --> src/collections/hashmap/node.rs:522:8 [INFO] [stdout] | [INFO] [stdout] 522 | fn set_slots(&mut self, c: usize) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_slots` [INFO] [stdout] --> src/collections/hashmap/node.rs:947:8 [INFO] [stdout] | [INFO] [stdout] 947 | fn set_slots(&mut self, c: usize) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling time-macros-impl v0.1.1 [INFO] [stderr] Checking time-macros v0.1.0 [INFO] [stdout] warning: type `u64x8` should have an upper camel case name [INFO] [stdout] --> src/collections/hashmap/node.rs:42:12 [INFO] [stdout] | [INFO] [stdout] 42 | pub struct u64x8 { [INFO] [stdout] | ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `U64x8` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/collections/bptree/cursor.rs:2191:13 [INFO] [stdout] | [INFO] [stdout] 2191 | let mut sblock = SuperBlock::default(); [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: variable does not need to be mutable [INFO] [stdout] --> src/collections/hashmap/cursor.rs:1950:13 [INFO] [stdout] | [INFO] [stdout] 1950 | let mut sblock = SuperBlock::default(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `tree_density` [INFO] [stdout] --> src/collections/bptree/cursor.rs:477:19 [INFO] [stdout] | [INFO] [stdout] 477 | pub(crate) fn tree_density(&self) -> (usize, usize) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_branch` [INFO] [stdout] --> src/collections/bptree/node.rs:264:19 [INFO] [stdout] | [INFO] [stdout] 264 | pub(crate) fn is_branch(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_count` [INFO] [stdout] --> src/collections/bptree/node.rs:823:8 [INFO] [stdout] | [INFO] [stdout] 823 | fn set_count(&mut self, c: usize) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `pin` [INFO] [stdout] --> src/collections/bptree/mod.rs:61:5 [INFO] [stdout] | [INFO] [stdout] 61 | pin: Arc>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_txid` [INFO] [stdout] --> src/collections/bptree/mod.rs:269:19 [INFO] [stdout] | [INFO] [stdout] 269 | pub(crate) fn get_txid(&self) -> u64 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_txid` [INFO] [stdout] --> src/collections/bptree/mod.rs:436:19 [INFO] [stdout] | [INFO] [stdout] 436 | pub(crate) fn get_txid(&self) -> u64 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_bptree2_map_basic_concurrency_small` [INFO] [stdout] --> src/collections/bptree/mod.rs:767:8 [INFO] [stdout] | [INFO] [stdout] 767 | fn test_bptree2_map_basic_concurrency_small() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `tree_density` [INFO] [stdout] --> src/collections/hashmap/cursor.rs:408:19 [INFO] [stdout] | [INFO] [stdout] 408 | pub(crate) fn tree_density(&self) -> (usize, usize, usize) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `pin` [INFO] [stdout] --> src/collections/hashmap/map.rs:72:5 [INFO] [stdout] | [INFO] [stdout] 72 | pin: Arc>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `data` [INFO] [stdout] --> src/collections/hashmap/node.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 43 | data: [u64; 8], [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_branch` [INFO] [stdout] --> src/collections/hashmap/node.rs:296:19 [INFO] [stdout] | [INFO] [stdout] 296 | pub(crate) fn is_branch(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_slots` [INFO] [stdout] --> src/collections/hashmap/node.rs:947:8 [INFO] [stdout] | [INFO] [stdout] 947 | fn set_slots(&mut self, c: usize) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 33.63s [INFO] running `Command { std: "docker" "inspect" "5ab0f941412639a136d6fbe3a5adaada9d5f4083f5a10433036b2b9861fd7ac6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ab0f941412639a136d6fbe3a5adaada9d5f4083f5a10433036b2b9861fd7ac6", kill_on_drop: false }` [INFO] [stdout] 5ab0f941412639a136d6fbe3a5adaada9d5f4083f5a10433036b2b9861fd7ac6