[INFO] fetching crate read-write-store 0.2.0... [INFO] checking read-write-store-0.2.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate read-write-store 0.2.0 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate read-write-store 0.2.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate read-write-store 0.2.0 [INFO] finished tweaking crates.io crate read-write-store 0.2.0 [INFO] tweaked toml for crates.io crate read-write-store 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 60 packages [INFO] [stderr] Adding generator v0.7.5 (latest: v0.8.1) [INFO] [stderr] Adding loom v0.5.6 (latest: v0.7.1) [INFO] [stderr] Adding nu-ansi-term v0.46.0 (latest: v0.50.0) [INFO] [stderr] Adding parking_lot v0.2.8 (latest: v0.12.1) [INFO] [stderr] Adding regex-automata v0.1.10 (latest: v0.4.6) [INFO] [stderr] Adding regex-syntax v0.6.29 (latest: v0.8.3) [INFO] [stderr] Adding smallvec v0.1.8 (latest: v1.13.2) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding winapi v0.2.8 (latest: v0.3.9) [INFO] [stderr] Adding windows v0.48.0 (latest: v0.54.0) [INFO] [stderr] Adding windows-targets v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded smallvec v0.1.8 [INFO] [stderr] Downloaded parking_lot v0.2.8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4312a8cb21d582dcdca49695d269ed4e399bf63a08729e6beb09db26a6a66ef2 [INFO] running `Command { std: "docker" "start" "-a" "4312a8cb21d582dcdca49695d269ed4e399bf63a08729e6beb09db26a6a66ef2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4312a8cb21d582dcdca49695d269ed4e399bf63a08729e6beb09db26a6a66ef2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4312a8cb21d582dcdca49695d269ed4e399bf63a08729e6beb09db26a6a66ef2", kill_on_drop: false }` [INFO] [stdout] 4312a8cb21d582dcdca49695d269ed4e399bf63a08729e6beb09db26a6a66ef2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 30436c613318f59b63bd305311a7125695365d5ebe3170cf3f28d6d5ab341d6f [INFO] running `Command { std: "docker" "start" "-a" "30436c613318f59b63bd305311a7125695365d5ebe3170cf3f28d6d5ab341d6f", kill_on_drop: false }` [INFO] [stderr] Checking smallvec v0.1.8 [INFO] [stderr] Checking crossbeam-queue v0.3.11 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking parking_lot v0.2.8 [INFO] [stderr] Checking read-write-store v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: private item shadows public glob re-export [INFO] [stdout] --> src/lib.rs:91:22 [INFO] [stdout] | [INFO] [stdout] 91 | use crate::timeout::{BlockResult, Timeout}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the name `BlockResult` in the type namespace is supposed to be publicly re-exported here [INFO] [stdout] --> src/lib.rs:90:9 [INFO] [stdout] | [INFO] [stdout] 90 | pub use crate::timeout::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] note: but the private item here shadows it [INFO] [stdout] --> src/lib.rs:91:22 [INFO] [stdout] | [INFO] [stdout] 91 | use crate::timeout::{BlockResult, Timeout}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(hidden_glob_reexports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: private item shadows public glob re-export [INFO] [stdout] --> src/lib.rs:91:35 [INFO] [stdout] | [INFO] [stdout] 91 | use crate::timeout::{BlockResult, Timeout}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the name `Timeout` in the type namespace is supposed to be publicly re-exported here [INFO] [stdout] --> src/lib.rs:90:9 [INFO] [stdout] | [INFO] [stdout] 90 | pub use crate::timeout::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] note: but the private item here shadows it [INFO] [stdout] --> src/lib.rs:91:35 [INFO] [stdout] | [INFO] [stdout] 91 | use crate::timeout::{BlockResult, Timeout}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `option_result_unwrap_unchecked` has been stable since 1.58.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:73:12 [INFO] [stdout] | [INFO] [stdout] 73 | #![feature(option_result_unwrap_unchecked)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `bench_black_box` has been stable since 1.66.0 and no longer requires an attribute to enable [INFO] [stdout] --> benches/bench.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(bench_black_box)] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: private item shadows public glob re-export [INFO] [stdout] --> src/lib.rs:91:22 [INFO] [stdout] | [INFO] [stdout] 91 | use crate::timeout::{BlockResult, Timeout}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the name `BlockResult` in the type namespace is supposed to be publicly re-exported here [INFO] [stdout] --> src/lib.rs:90:9 [INFO] [stdout] | [INFO] [stdout] 90 | pub use crate::timeout::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] note: but the private item here shadows it [INFO] [stdout] --> src/lib.rs:91:22 [INFO] [stdout] | [INFO] [stdout] 91 | use crate::timeout::{BlockResult, Timeout}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(hidden_glob_reexports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: private item shadows public glob re-export [INFO] [stdout] --> src/lib.rs:91:35 [INFO] [stdout] | [INFO] [stdout] 91 | use crate::timeout::{BlockResult, Timeout}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the name `Timeout` in the type namespace is supposed to be publicly re-exported here [INFO] [stdout] --> src/lib.rs:90:9 [INFO] [stdout] | [INFO] [stdout] 90 | pub use crate::timeout::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] note: but the private item here shadows it [INFO] [stdout] --> src/lib.rs:91:35 [INFO] [stdout] | [INFO] [stdout] 91 | use crate::timeout::{BlockResult, Timeout}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `option_result_unwrap_unchecked` has been stable since 1.58.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:73:12 [INFO] [stdout] | [INFO] [stdout] 73 | #![feature(option_result_unwrap_unchecked)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.68s [INFO] running `Command { std: "docker" "inspect" "30436c613318f59b63bd305311a7125695365d5ebe3170cf3f28d6d5ab341d6f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "30436c613318f59b63bd305311a7125695365d5ebe3170cf3f28d6d5ab341d6f", kill_on_drop: false }` [INFO] [stdout] 30436c613318f59b63bd305311a7125695365d5ebe3170cf3f28d6d5ab341d6f