[INFO] fetching crate mdb 0.0.1... [INFO] checking mdb-0.0.1 against try#5de9e0e6cf775e94e0de2003f35e183f3f77bfe8 for pr-143808 [INFO] extracting crate mdb 0.0.1 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate mdb 0.0.1 [INFO] finished tweaking crates.io crate mdb 0.0.1 [INFO] tweaked toml for crates.io crate mdb 0.0.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mdb 0.0.1 on toolchain 5de9e0e6cf775e94e0de2003f35e183f3f77bfe8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate mdb 0.0.1 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" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 05ceea3a6f7a9cdb395621f4f30ba095b5a850cdc422a7ad23441ec3fbf2ac48 [INFO] running `Command { std: "docker" "start" "-a" "05ceea3a6f7a9cdb395621f4f30ba095b5a850cdc422a7ad23441ec3fbf2ac48", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "05ceea3a6f7a9cdb395621f4f30ba095b5a850cdc422a7ad23441ec3fbf2ac48", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "05ceea3a6f7a9cdb395621f4f30ba095b5a850cdc422a7ad23441ec3fbf2ac48", kill_on_drop: false }` [INFO] [stdout] 05ceea3a6f7a9cdb395621f4f30ba095b5a850cdc422a7ad23441ec3fbf2ac48 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4e254985efb57c2fae2807afc628c86a2680f9fa011206b4e06af5791065c3ed [INFO] running `Command { std: "docker" "start" "-a" "4e254985efb57c2fae2807afc628c86a2680f9fa011206b4e06af5791065c3ed", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling libc v0.2.101 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.76 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling semver v1.0.4 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Compiling bytecheck v0.6.5 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking instant v0.1.10 [INFO] [stderr] Compiling rend v0.3.2 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking lock_api v0.4.5 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling tokio v1.11.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling ahash v0.7.4 [INFO] [stderr] Compiling serde_json v1.0.68 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Compiling rkyv v0.7.17 [INFO] [stderr] Checking mio v0.7.13 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking plotters-backend v0.3.2 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking seahash v4.1.0 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Checking plotters-svg v0.3.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking itertools v0.10.1 [INFO] [stderr] Checking memmap2 v0.3.1 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking half v1.7.1 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Checking env_logger v0.8.4 [INFO] [stderr] Checking criterion-plot v0.4.4 [INFO] [stderr] Checking tinyvec v1.4.0 [INFO] [stderr] Checking bstr v0.2.16 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking quickcheck v1.0.3 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Compiling ptr_meta_derive v0.1.4 [INFO] [stderr] Compiling bytecheck_derive v0.6.5 [INFO] [stderr] Compiling rkyv_derive v0.7.17 [INFO] [stderr] Compiling tokio-macros v1.3.0 [INFO] [stderr] Compiling thiserror-impl v1.0.29 [INFO] [stderr] Checking ptr_meta v0.1.4 [INFO] [stderr] Checking thiserror v1.0.29 [INFO] [stderr] Checking criterion v0.3.5 [INFO] [stderr] Checking mdb v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Archive` [INFO] [stdout] --> src/db.rs:7:47 [INFO] [stdout] | [INFO] [stdout] 7 | use rkyv::{ser::serializers::AllocSerializer, Archive, Deserialize, Infallible, Serialize}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Archive` [INFO] [stdout] --> src/db.rs:7:47 [INFO] [stdout] | [INFO] [stdout] 7 | use rkyv::{ser::serializers::AllocSerializer, Archive, Deserialize, Infallible, Serialize}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `depth` [INFO] [stdout] --> src/db.rs:117:28 [INFO] [stdout] | [INFO] [stdout] 117 | pub async fn read_last(depth: u64) {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_depth` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `depth` [INFO] [stdout] --> src/db.rs:117:28 [INFO] [stdout] | [INFO] [stdout] 117 | pub async fn read_last(depth: u64) {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_depth` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `path_builder` is never read [INFO] [stdout] --> src/epoch.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct Epoch { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] ... [INFO] [stdout] 25 | path_builder: PathBuilder, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `source` is never read [INFO] [stdout] --> src/db.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct Magma { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] ... [INFO] [stdout] 19 | source: Option, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `curr_epoch` is never read [INFO] [stdout] --> src/db.rs:152:5 [INFO] [stdout] | [INFO] [stdout] 150 | pub struct EpochIter<'a, T: Tick> { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 151 | epoch_iter: Iter<'a, u64>, [INFO] [stdout] 152 | curr_epoch: Option>, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/index/trie_node.rs:235:23 [INFO] [stdout] | [INFO] [stdout] 235 | pub fn as_subtrie(&self, prefix: Nibblet) -> SubTrie { [INFO] [stdout] | ^^^^^ ------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 235 | pub fn as_subtrie(&self, prefix: Nibblet) -> SubTrie<'_, K, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/index/iter.rs:112:19 [INFO] [stdout] | [INFO] [stdout] 112 | fn child_iter(&self) -> ChildIter { [INFO] [stdout] | ^^^^^ --------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 112 | fn child_iter(&self) -> ChildIter<'_, K, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: bounds on generic parameters in type aliases are not enforced [INFO] [stdout] --> src/epoch.rs:11:24 [INFO] [stdout] | [INFO] [stdout] 11 | pub type FrameIndex = Trie; [INFO] [stdout] | --^^^^ [INFO] [stdout] | | | [INFO] [stdout] | | will not be checked at usage sites of the type alias [INFO] [stdout] | help: remove this bound [INFO] [stdout] | [INFO] [stdout] = note: this is a known limitation of the type checker that may be lifted in a future edition. [INFO] [stdout] see issue #112792 for more information [INFO] [stdout] = help: add `#![feature(lazy_type_alias)]` to the crate attributes to enable the desired semantics [INFO] [stdout] = note: `#[warn(type_alias_bounds)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/db.rs:139:19 [INFO] [stdout] | [INFO] [stdout] 139 | pub fn epochs(&self) -> EpochIter { [INFO] [stdout] | ^^^^^ ------------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 139 | pub fn epochs(&self) -> EpochIter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `AsTrieKey` is never used [INFO] [stdout] --> src/index/keys.rs:213:15 [INFO] [stdout] | [INFO] [stdout] 213 | pub trait AsTrieKey { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `path_builder` is never read [INFO] [stdout] --> src/epoch.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct Epoch { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] ... [INFO] [stdout] 25 | path_builder: PathBuilder, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `source` is never read [INFO] [stdout] --> src/db.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct Magma { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] ... [INFO] [stdout] 19 | source: Option, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `curr_epoch` is never read [INFO] [stdout] --> src/db.rs:152:5 [INFO] [stdout] | [INFO] [stdout] 150 | pub struct EpochIter<'a, T: Tick> { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 151 | epoch_iter: Iter<'a, u64>, [INFO] [stdout] 152 | curr_epoch: Option>, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/index/trie_node.rs:235:23 [INFO] [stdout] | [INFO] [stdout] 235 | pub fn as_subtrie(&self, prefix: Nibblet) -> SubTrie { [INFO] [stdout] | ^^^^^ ------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 235 | pub fn as_subtrie(&self, prefix: Nibblet) -> SubTrie<'_, K, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/index/iter.rs:112:19 [INFO] [stdout] | [INFO] [stdout] 112 | fn child_iter(&self) -> ChildIter { [INFO] [stdout] | ^^^^^ --------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 112 | fn child_iter(&self) -> ChildIter<'_, K, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: bounds on generic parameters in type aliases are not enforced [INFO] [stdout] --> src/epoch.rs:11:24 [INFO] [stdout] | [INFO] [stdout] 11 | pub type FrameIndex = Trie; [INFO] [stdout] | --^^^^ [INFO] [stdout] | | | [INFO] [stdout] | | will not be checked at usage sites of the type alias [INFO] [stdout] | help: remove this bound [INFO] [stdout] | [INFO] [stdout] = note: this is a known limitation of the type checker that may be lifted in a future edition. [INFO] [stdout] see issue #112792 for more information [INFO] [stdout] = help: add `#![feature(lazy_type_alias)]` to the crate attributes to enable the desired semantics [INFO] [stdout] = note: `#[warn(type_alias_bounds)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/db.rs:139:19 [INFO] [stdout] | [INFO] [stdout] 139 | pub fn epochs(&self) -> EpochIter { [INFO] [stdout] | ^^^^^ ------------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 139 | pub fn epochs(&self) -> EpochIter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.41s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "4e254985efb57c2fae2807afc628c86a2680f9fa011206b4e06af5791065c3ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e254985efb57c2fae2807afc628c86a2680f9fa011206b4e06af5791065c3ed", kill_on_drop: false }` [INFO] [stdout] 4e254985efb57c2fae2807afc628c86a2680f9fa011206b4e06af5791065c3ed