[INFO] fetching crate loader-rs 0.7.0...
[INFO] checking loader-rs-0.7.0 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate loader-rs 0.7.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate loader-rs 0.7.0 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate loader-rs 0.7.0
[INFO] finished tweaking crates.io crate loader-rs 0.7.0
[INFO] tweaked toml for crates.io crate loader-rs 0.7.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 215 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.21.0 (latest: v0.22.0)
[INFO] [stderr]       Adding async-compression v0.3.15 (latest: v0.4.9)
[INFO] [stderr]       Adding base64 v0.13.1 (latest: v0.22.1)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding bytes v0.5.6 (latest: v1.6.0)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding foreign-types v0.3.2 (latest: v0.5.0)
[INFO] [stderr]       Adding foreign-types-shared v0.1.1 (latest: v0.3.1)
[INFO] [stderr]       Adding gimli v0.28.1 (latest: v0.29.0)
[INFO] [stderr]       Adding h2 v0.2.7 (latest: v0.4.4)
[INFO] [stderr]       Adding h2 v0.3.26 (latest: v0.4.4)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.5)
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding http v0.2.12 (latest: v1.1.0)
[INFO] [stderr]       Adding http-body v0.3.1 (latest: v1.0.0)
[INFO] [stderr]       Adding http-body v0.4.6 (latest: v1.0.0)
[INFO] [stderr]       Adding httpdate v0.3.2 (latest: v1.0.3)
[INFO] [stderr]       Adding hyper v0.13.10 (latest: v1.3.1)
[INFO] [stderr]       Adding hyper v0.14.28 (latest: v1.3.1)
[INFO] [stderr]       Adding hyper-tls v0.4.3 (latest: v0.6.0)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding itoa v0.4.8 (latest: v1.0.11)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding mio v0.6.23 (latest: v0.8.11)
[INFO] [stderr]       Adding miow v0.2.2 (latest: v0.6.0)
[INFO] [stderr]       Adding mockito v0.32.5 (latest: v1.4.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.35.0)
[INFO] [stderr]       Adding pin-project-lite v0.1.12 (latest: v0.2.14)
[INFO] [stderr]       Adding reqwest v0.10.10 (latest: v0.12.4)
[INFO] [stderr]       Adding socket2 v0.3.19 (latest: v0.5.7)
[INFO] [stderr]       Adding strsim v0.10.0 (latest: v0.11.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.60)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[INFO] [stderr]       Adding test-case v1.2.3 (latest: v3.3.1)
[INFO] [stderr]       Adding tokio v0.2.25 (latest: v1.37.0)
[INFO] [stderr]       Adding tokio-util v0.3.1 (latest: v0.7.10)
[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-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding winreg v0.7.0 (latest: v0.52.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded json-trait-rs v0.11.0
[INFO] [stderr]   Downloaded derive_builder_macro v0.20.0
[INFO] [stderr]   Downloaded derive_builder_core v0.20.0
[INFO] [stderr]   Downloaded join-lazy-fmt v0.9.2
[INFO] [stderr]   Downloaded cached_proc_macro_types v0.1.1
[INFO] [stderr]   Downloaded mockito v0.32.5
[INFO] [stderr]   Downloaded cached_proc_macro v0.21.0
[INFO] [stderr]   Downloaded cached v0.50.0
[INFO] [stderr]   Downloaded derive_builder v0.20.0
[INFO] [stderr]   Downloaded json v0.12.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8d780444fcb1d33cf815e9d4053760273ebb4b9222cf5fb97e2d2ba3c83e461
[INFO] running `Command { std: "docker" "start" "-a" "c8d780444fcb1d33cf815e9d4053760273ebb4b9222cf5fb97e2d2ba3c83e461", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8d780444fcb1d33cf815e9d4053760273ebb4b9222cf5fb97e2d2ba3c83e461", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8d780444fcb1d33cf815e9d4053760273ebb4b9222cf5fb97e2d2ba3c83e461", kill_on_drop: false }`
[INFO] [stdout] c8d780444fcb1d33cf815e9d4053760273ebb4b9222cf5fb97e2d2ba3c83e461
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 292097e4737cd2a6491828005562682110f04bf1e16780f859fff93f78e77431
[INFO] running `Command { std: "docker" "start" "-a" "292097e4737cd2a6491828005562682110f04bf1e16780f859fff93f78e77431", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling darling_core v0.20.8
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking allocator-api2 v0.2.18
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking async-compression v0.3.15
[INFO] [stderr]    Compiling test-case v1.2.3
[INFO] [stderr]     Checking cached_proc_macro_types v0.1.1
[INFO] [stderr]    Compiling strum_macros v0.26.2
[INFO] [stderr]     Checking assert-json-diff v2.0.2
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]     Checking strum v0.26.2
[INFO] [stderr]     Checking similar v2.5.0
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking openssl-sys v0.9.102
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking parking_lot v0.12.2
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]    Compiling darling_macro v0.20.8
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking openssl v0.10.64
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]    Compiling darling v0.20.8
[INFO] [stderr]    Compiling derive_builder_core v0.20.0
[INFO] [stderr]    Compiling cached_proc_macro v0.21.0
[INFO] [stderr]    Compiling derive_builder_macro v0.20.0
[INFO] [stderr]     Checking cached v0.50.0
[INFO] [stderr]     Checking derive_builder v0.20.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking native-tls v0.2.11
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking h2 v0.3.26
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.10
[INFO] [stderr]     Checking loader-rs v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `const_err` has been removed: converted into hard error, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> for more information
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     const_err,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `illegal_floating_point_literal_pattern` has been removed: no longer a warning, float patterns behave the same as `==`
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     illegal_floating_point_literal_pattern,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `private_in_public` has been removed: replaced with another group of lints, see RFC <https://rust-lang.github.io/rfcs/2145-type-privacy.html> for more information
[INFO] [stdout]   --> src/lib.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     private_in_public,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]   --> src/lib.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | #![feature(specialization)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]    = help: consider using `min_specialization` instead, which is more stable and complete
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     warnings,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(incomplete_features)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused result of type `Option<Arc<V>>`
[INFO] [stdout]   --> src/thread_safe_cache.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         self.0.lock().cache_set(key.clone(), value);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     unused_results,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `loader-rs` (lib) due to 3 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "292097e4737cd2a6491828005562682110f04bf1e16780f859fff93f78e77431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "292097e4737cd2a6491828005562682110f04bf1e16780f859fff93f78e77431", kill_on_drop: false }`
[INFO] [stdout] 292097e4737cd2a6491828005562682110f04bf1e16780f859fff93f78e77431
[INFO] checking loader-rs-0.7.0 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate loader-rs 0.7.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate loader-rs 0.7.0 on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate loader-rs 0.7.0
[INFO] finished tweaking crates.io crate loader-rs 0.7.0
[INFO] tweaked toml for crates.io crate loader-rs 0.7.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 215 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.21.0 (latest: v0.22.0)
[INFO] [stderr]       Adding async-compression v0.3.15 (latest: v0.4.9)
[INFO] [stderr]       Adding base64 v0.13.1 (latest: v0.22.1)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding bytes v0.5.6 (latest: v1.6.0)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding foreign-types v0.3.2 (latest: v0.5.0)
[INFO] [stderr]       Adding foreign-types-shared v0.1.1 (latest: v0.3.1)
[INFO] [stderr]       Adding gimli v0.28.1 (latest: v0.29.0)
[INFO] [stderr]       Adding h2 v0.2.7 (latest: v0.4.4)
[INFO] [stderr]       Adding h2 v0.3.26 (latest: v0.4.4)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.5)
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding http v0.2.12 (latest: v1.1.0)
[INFO] [stderr]       Adding http-body v0.3.1 (latest: v1.0.0)
[INFO] [stderr]       Adding http-body v0.4.6 (latest: v1.0.0)
[INFO] [stderr]       Adding httpdate v0.3.2 (latest: v1.0.3)
[INFO] [stderr]       Adding hyper v0.13.10 (latest: v1.3.1)
[INFO] [stderr]       Adding hyper v0.14.28 (latest: v1.3.1)
[INFO] [stderr]       Adding hyper-tls v0.4.3 (latest: v0.6.0)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding itoa v0.4.8 (latest: v1.0.11)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding mio v0.6.23 (latest: v0.8.11)
[INFO] [stderr]       Adding miow v0.2.2 (latest: v0.6.0)
[INFO] [stderr]       Adding mockito v0.32.5 (latest: v1.4.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.35.0)
[INFO] [stderr]       Adding pin-project-lite v0.1.12 (latest: v0.2.14)
[INFO] [stderr]       Adding reqwest v0.10.10 (latest: v0.12.4)
[INFO] [stderr]       Adding socket2 v0.3.19 (latest: v0.5.7)
[INFO] [stderr]       Adding strsim v0.10.0 (latest: v0.11.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.60)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[INFO] [stderr]       Adding test-case v1.2.3 (latest: v3.3.1)
[INFO] [stderr]       Adding tokio v0.2.25 (latest: v1.37.0)
[INFO] [stderr]       Adding tokio-util v0.3.1 (latest: v0.7.10)
[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-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding winreg v0.7.0 (latest: v0.52.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7d57a905c39cdce355f9603c3d225bdeabdd19f2bd449ce20908e45392951e3
[INFO] running `Command { std: "docker" "start" "-a" "a7d57a905c39cdce355f9603c3d225bdeabdd19f2bd449ce20908e45392951e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7d57a905c39cdce355f9603c3d225bdeabdd19f2bd449ce20908e45392951e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7d57a905c39cdce355f9603c3d225bdeabdd19f2bd449ce20908e45392951e3", kill_on_drop: false }`
[INFO] [stdout] a7d57a905c39cdce355f9603c3d225bdeabdd19f2bd449ce20908e45392951e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 707a8b05f3a0ef3d2eae5a29c56e127910ed6e1a9922a840e68236578b2a05b4
[INFO] running `Command { std: "docker" "start" "-a" "707a8b05f3a0ef3d2eae5a29c56e127910ed6e1a9922a840e68236578b2a05b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling darling_core v0.20.8
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking allocator-api2 v0.2.18
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking async-compression v0.3.15
[INFO] [stderr]    Compiling test-case v1.2.3
[INFO] [stderr]     Checking cached_proc_macro_types v0.1.1
[INFO] [stderr]    Compiling strum_macros v0.26.2
[INFO] [stderr]     Checking assert-json-diff v2.0.2
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]     Checking similar v2.5.0
[INFO] [stderr]     Checking strum v0.26.2
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking openssl-sys v0.9.102
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking parking_lot v0.12.2
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]    Compiling darling_macro v0.20.8
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking openssl v0.10.64
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]    Compiling darling v0.20.8
[INFO] [stderr]    Compiling derive_builder_core v0.20.0
[INFO] [stderr]    Compiling cached_proc_macro v0.21.0
[INFO] [stderr]    Compiling derive_builder_macro v0.20.0
[INFO] [stderr]     Checking cached v0.50.0
[INFO] [stderr]     Checking derive_builder v0.20.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking native-tls v0.2.11
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking h2 v0.3.26
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.10
[INFO] [stderr]     Checking loader-rs v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `const_err` has been removed: converted into hard error, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> for more information
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     const_err,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `illegal_floating_point_literal_pattern` has been removed: no longer a warning, float patterns behave the same as `==`
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     illegal_floating_point_literal_pattern,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `private_in_public` has been removed: replaced with another group of lints, see RFC <https://rust-lang.github.io/rfcs/2145-type-privacy.html> for more information
[INFO] [stdout]   --> src/lib.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     private_in_public,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]   --> src/lib.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | #![feature(specialization)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]    = help: consider using `min_specialization` instead, which is more stable and complete
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     warnings,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(incomplete_features)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused result of type `Option<Arc<V>>`
[INFO] [stdout]   --> src/thread_safe_cache.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         self.0.lock().cache_set(key.clone(), value);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     unused_results,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `loader-rs` (lib) due to 3 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "707a8b05f3a0ef3d2eae5a29c56e127910ed6e1a9922a840e68236578b2a05b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "707a8b05f3a0ef3d2eae5a29c56e127910ed6e1a9922a840e68236578b2a05b4", kill_on_drop: false }`
[INFO] [stdout] 707a8b05f3a0ef3d2eae5a29c56e127910ed6e1a9922a840e68236578b2a05b4
