[INFO] fetching crate mdb 0.0.1... [INFO] checking mdb-0.0.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate mdb 0.0.1 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate mdb 0.0.1 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 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-2-tc1/source/Cargo.toml [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tinyvec v1.4.0 [INFO] [stderr] Downloaded bytecheck v0.6.5 [INFO] [stderr] Downloaded rend v0.3.2 [INFO] [stderr] Downloaded rkyv_derive v0.7.17 [INFO] [stderr] Downloaded instant v0.1.10 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.77 [INFO] [stderr] Downloaded bytecheck_derive v0.6.5 [INFO] [stderr] Downloaded semver v1.0.4 [INFO] [stderr] Downloaded js-sys v0.3.54 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.77 [INFO] [stderr] Downloaded bumpalo v3.7.0 [INFO] [stderr] Downloaded tokio v1.11.0 [INFO] [stderr] Downloaded wasm-bindgen v0.2.77 [INFO] [stderr] Downloaded web-sys v0.3.54 [INFO] [stderr] Downloaded syn v1.0.76 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.77 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.77 [INFO] [stderr] Downloaded half v1.7.1 [INFO] [stderr] Downloaded quickcheck v1.0.3 [INFO] [stderr] Downloaded rkyv v0.7.17 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a1776812521e16b3d78df4bb371b75fa6391965ef35a69bf9b2bf227e40a70cd [INFO] running `Command { std: "docker" "start" "-a" "a1776812521e16b3d78df4bb371b75fa6391965ef35a69bf9b2bf227e40a70cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a1776812521e16b3d78df4bb371b75fa6391965ef35a69bf9b2bf227e40a70cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a1776812521e16b3d78df4bb371b75fa6391965ef35a69bf9b2bf227e40a70cd", kill_on_drop: false }` [INFO] [stdout] a1776812521e16b3d78df4bb371b75fa6391965ef35a69bf9b2bf227e40a70cd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1730e128ac9ac783d08d670f3ba08423d3587c4503b5927003c983f3e170c25c [INFO] running `Command { std: "docker" "start" "-a" "1730e128ac9ac783d08d670f3ba08423d3587c4503b5927003c983f3e170c25c", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling syn v1.0.76 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling semver v1.0.4 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Compiling bytecheck v0.6.5 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling ahash v0.7.4 [INFO] [stderr] Checking instant v0.1.10 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Compiling rend v0.3.2 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking lock_api v0.4.5 [INFO] [stderr] Compiling tokio v1.11.0 [INFO] [stderr] Compiling rkyv v0.7.17 [INFO] [stderr] Compiling serde_json v1.0.68 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking mio v0.7.13 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Checking plotters-backend v0.3.2 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking plotters-svg v0.3.1 [INFO] [stderr] Checking itertools v0.10.1 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking memmap2 v0.3.1 [INFO] [stderr] Checking half v1.7.1 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking rand v0.8.4 [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 tinytemplate v1.2.1 [INFO] [stderr] Checking quickcheck v1.0.3 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Compiling ptr_meta_derive v0.1.4 [INFO] [stderr] Compiling bytecheck_derive v0.6.5 [INFO] [stderr] Compiling tokio-macros v1.3.0 [INFO] [stderr] Compiling rkyv_derive v0.7.17 [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: the item `From` is imported redundantly [INFO] [stdout] --> src/index/nibble/mod.rs:30:20 [INFO] [stdout] | [INFO] [stdout] 30 | use std::convert::{From, Into}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Into` is imported redundantly [INFO] [stdout] --> src/index/nibble/mod.rs:30:26 [INFO] [stdout] | [INFO] [stdout] 30 | use std::convert::{From, Into}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Into` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Default` is imported redundantly [INFO] [stdout] --> src/index/trie_node.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::default::Default; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Default` is already defined here [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] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/index/nibble/mod.rs:30:20 [INFO] [stdout] | [INFO] [stdout] 30 | use std::convert::{From, Into}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Into` is imported redundantly [INFO] [stdout] --> src/index/nibble/mod.rs:30:26 [INFO] [stdout] | [INFO] [stdout] 30 | use std::convert::{From, Into}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Into` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Default` is imported redundantly [INFO] [stdout] --> src/index/trie_node.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::default::Default; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Default` is already defined here [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] [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: bounds on generic parameters are not enforced in type aliases [INFO] [stdout] --> src/epoch.rs:11:24 [INFO] [stdout] | [INFO] [stdout] 11 | pub type FrameIndex = Trie; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(type_alias_bounds)]` on by default [INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed [INFO] [stdout] | [INFO] [stdout] 11 - pub type FrameIndex = Trie; [INFO] [stdout] 11 + pub type FrameIndex = Trie; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `encode_bytes` is never used [INFO] [stdout] --> src/index/keys.rs:214:12 [INFO] [stdout] | [INFO] [stdout] 213 | pub trait AsTrieKey { [INFO] [stdout] | --------- method in this trait [INFO] [stdout] 214 | fn encode_bytes(&self) -> Vec; [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: bounds on generic parameters are not enforced in type aliases [INFO] [stdout] --> src/epoch.rs:11:24 [INFO] [stdout] | [INFO] [stdout] 11 | pub type FrameIndex = Trie; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(type_alias_bounds)]` on by default [INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed [INFO] [stdout] | [INFO] [stdout] 11 - pub type FrameIndex = Trie; [INFO] [stdout] 11 + pub type FrameIndex = Trie; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 44.63s [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 5` [INFO] running `Command { std: "docker" "inspect" "1730e128ac9ac783d08d670f3ba08423d3587c4503b5927003c983f3e170c25c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1730e128ac9ac783d08d670f3ba08423d3587c4503b5927003c983f3e170c25c", kill_on_drop: false }` [INFO] [stdout] 1730e128ac9ac783d08d670f3ba08423d3587c4503b5927003c983f3e170c25c