[INFO] fetching crate sled 1.0.0-alpha.118... [INFO] checking sled-1.0.0-alpha.118 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate sled 1.0.0-alpha.118 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate sled 1.0.0-alpha.118 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate sled 1.0.0-alpha.118 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate sled 1.0.0-alpha.118 [INFO] tweaked toml for crates.io crate sled 1.0.0-alpha.118 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate crates.io crate sled 1.0.0-alpha.118 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded stack-map v1.0.5 [INFO] [stderr] Downloaded zstd v0.12.4 [INFO] [stderr] Downloaded inline-array v0.1.12 [INFO] [stderr] Downloaded zstd-safe v6.0.6 [INFO] [stderr] Downloaded concurrent-map v5.0.31 [INFO] [stderr] Downloaded crossbeam-queue v0.3.8 [INFO] [stderr] Downloaded pagetable v0.4.5 [INFO] [stderr] Downloaded cache-advisor v1.0.16 [INFO] [stderr] Downloaded fault-injection v1.0.10 [INFO] [stderr] Downloaded shared-local-state v0.1.4 [INFO] [stderr] Downloaded syn v2.0.30 [INFO] [stderr] Downloaded ebr v0.2.9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5b534e7f05697ffcf34ee956cb247d413bb6ba8139e5be7b09b7babbc8508a8e [INFO] running `Command { std: "docker" "start" "-a" "5b534e7f05697ffcf34ee956cb247d413bb6ba8139e5be7b09b7babbc8508a8e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5b534e7f05697ffcf34ee956cb247d413bb6ba8139e5be7b09b7babbc8508a8e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b534e7f05697ffcf34ee956cb247d413bb6ba8139e5be7b09b7babbc8508a8e", kill_on_drop: false }` [INFO] [stdout] 5b534e7f05697ffcf34ee956cb247d413bb6ba8139e5be7b09b7babbc8508a8e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 97afce2044ad27c0d520351bc1d7c566a5ce117d8ac625459d975cc4dcae99be [INFO] running `Command { std: "docker" "start" "-a" "97afce2044ad27c0d520351bc1d7c566a5ce117d8ac625459d975cc4dcae99be", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling parking_lot_core v0.9.8 [INFO] [stderr] Compiling lock_api v0.4.10 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Compiling serde v1.0.188 [INFO] [stderr] Checking smallvec v1.11.0 [INFO] [stderr] Compiling pkg-config v0.3.27 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 [INFO] [stderr] Checking memchr v2.6.3 [INFO] [stderr] Checking regex-syntax v0.7.5 [INFO] [stderr] Compiling libm v0.2.7 [INFO] [stderr] Compiling rustix v0.38.11 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking aho-corasick v1.0.5 [INFO] [stderr] Compiling jobserver v0.1.26 [INFO] [stderr] Compiling syn v2.0.30 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Compiling crossbeam-queue v0.3.8 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Checking shared-local-state v0.1.4 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Compiling rayon-core v1.11.0 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Compiling zstd-safe v6.0.6 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking ebr v0.2.9 [INFO] [stderr] Checking crossbeam-deque v0.8.3 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking crossbeam-channel v0.5.8 [INFO] [stderr] Compiling num-traits v0.2.16 [INFO] [stderr] Checking linux-raw-sys v0.4.5 [INFO] [stderr] Checking bitflags v2.4.0 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking regex-automata v0.3.8 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Compiling zstd-sys v2.0.8+zstd.1.5.5 [INFO] [stderr] Checking either v1.9.0 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking is-terminal v0.4.9 [INFO] [stderr] Checking cache-advisor v1.0.16 [INFO] [stderr] Checking rayon v1.7.0 [INFO] [stderr] Checking fs2 v0.4.3 [INFO] [stderr] Checking termcolor v1.2.0 [INFO] [stderr] Checking pagetable v0.4.5 [INFO] [stderr] Checking arrayvec v0.7.4 [INFO] [stderr] Checking fault-injection v1.0.10 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking itoa v1.0.9 [INFO] [stderr] Checking num-format v0.4.4 [INFO] [stderr] Checking rand_distr v0.4.3 [INFO] [stderr] Compiling serde_derive v1.0.188 [INFO] [stderr] Checking regex v1.9.5 [INFO] [stderr] Checking env_logger v0.8.4 [INFO] [stderr] Checking env_logger v0.10.0 [INFO] [stderr] Checking quickcheck v1.0.3 [INFO] [stderr] Checking zstd v0.12.4 [INFO] [stderr] Checking stack-map v1.0.5 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking concurrent-map v5.0.31 [INFO] [stderr] Checking inline-array v0.1.12 [INFO] [stderr] Checking sled v1.0.0-alpha.118 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/heap.rs:422:9 [INFO] [stdout] | [INFO] [stdout] 422 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 425 | use super::*; [INFO] [stdout] | -------- the item `io` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `InlineArray` is imported redundantly [INFO] [stdout] --> src/pagecache.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use inline_array::InlineArray; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 10 | [INFO] [stdout] 11 | use crate::*; [INFO] [stdout] | -------- the item `InlineArray` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Bound` is imported redundantly [INFO] [stdout] --> src/tree.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::ops::Bound; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | use crate::*; [INFO] [stdout] | -------- the item `Bound` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `InlineArray` is imported redundantly [INFO] [stdout] --> src/tree.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use inline_array::InlineArray; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | use crate::*; [INFO] [stdout] | -------- the item `InlineArray` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/heap.rs:422:9 [INFO] [stdout] | [INFO] [stdout] 422 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 425 | use super::*; [INFO] [stdout] | -------- the item `io` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `InlineArray` is imported redundantly [INFO] [stdout] --> src/pagecache.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use inline_array::InlineArray; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 10 | [INFO] [stdout] 11 | use crate::*; [INFO] [stdout] | -------- the item `InlineArray` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Bound` is imported redundantly [INFO] [stdout] --> src/tree.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::ops::Bound; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | use crate::*; [INFO] [stdout] | -------- the item `Bound` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `InlineArray` is imported redundantly [INFO] [stdout] --> src/tree.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use inline_array::InlineArray; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | use crate::*; [INFO] [stdout] | -------- the item `InlineArray` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/db.rs:441:13 [INFO] [stdout] | [INFO] [stdout] 441 | let mut trees = self.trees.lock(); [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: unused variable: `tracker_guard` [INFO] [stdout] --> src/flush_epoch.rs:205:17 [INFO] [stdout] | [INFO] [stdout] 205 | let mut tracker_guard = self.active_ebr.pin(); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tracker_guard` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/flush_epoch.rs:205:13 [INFO] [stdout] | [INFO] [stdout] 205 | let mut tracker_guard = self.active_ebr.pin(); [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `trace_spin` [INFO] [stdout] --> src/heap.rs:729:17 [INFO] [stdout] | [INFO] [stdout] 729 | let mut trace_spin = false; [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_trace_spin` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/heap.rs:729:13 [INFO] [stdout] | [INFO] [stdout] 729 | let mut trace_spin = false; [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `previous` [INFO] [stdout] --> src/metadata_store.rs:742:21 [INFO] [stdout] | [INFO] [stdout] 742 | let previous = recovered.remove(&node_id); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_previous` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/db.rs:441:13 [INFO] [stdout] | [INFO] [stdout] 441 | let mut trees = self.trees.lock(); [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: unused variable: `tracker_guard` [INFO] [stdout] --> src/flush_epoch.rs:205:17 [INFO] [stdout] | [INFO] [stdout] 205 | let mut tracker_guard = self.active_ebr.pin(); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tracker_guard` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/flush_epoch.rs:205:13 [INFO] [stdout] | [INFO] [stdout] 205 | let mut tracker_guard = self.active_ebr.pin(); [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `trace_spin` [INFO] [stdout] --> src/heap.rs:729:17 [INFO] [stdout] | [INFO] [stdout] 729 | let mut trace_spin = false; [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_trace_spin` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/heap.rs:729:13 [INFO] [stdout] | [INFO] [stdout] 729 | let mut trace_spin = false; [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Config` is never constructed [INFO] [stdout] --> src/heap.rs:134:12 [INFO] [stdout] | [INFO] [stdout] 134 | pub struct Config {} [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Config` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `previous` [INFO] [stdout] --> src/metadata_store.rs:742:21 [INFO] [stdout] | [INFO] [stdout] 742 | let previous = recovered.remove(&node_id); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_previous` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Config` is never constructed [INFO] [stdout] --> src/heap.rs:134:12 [INFO] [stdout] | [INFO] [stdout] 134 | pub struct Config {} [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Config` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> tests/tree/mod.rs:1:34 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{collections::BTreeMap, convert::TryInto, fmt, panic}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryInto` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> tests/tree/mod.rs:1:34 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{collections::BTreeMap, convert::TryInto, fmt, panic}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryInto` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 47.35s [INFO] running `Command { std: "docker" "inspect" "97afce2044ad27c0d520351bc1d7c566a5ce117d8ac625459d975cc4dcae99be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "97afce2044ad27c0d520351bc1d7c566a5ce117d8ac625459d975cc4dcae99be", kill_on_drop: false }` [INFO] [stdout] 97afce2044ad27c0d520351bc1d7c566a5ce117d8ac625459d975cc4dcae99be