[INFO] fetching crate loader-rs 0.7.0... [INFO] checking loader-rs-0.7.0 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863 [INFO] extracting crate loader-rs 0.7.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate loader-rs 0.7.0 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c7fbeabe4137333597012230bf9165957f892bca31a0d0d4c12ff62eaf646ddc [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "c7fbeabe4137333597012230bf9165957f892bca31a0d0d4c12ff62eaf646ddc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c7fbeabe4137333597012230bf9165957f892bca31a0d0d4c12ff62eaf646ddc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c7fbeabe4137333597012230bf9165957f892bca31a0d0d4c12ff62eaf646ddc", kill_on_drop: false }` [INFO] [stdout] c7fbeabe4137333597012230bf9165957f892bca31a0d0d4c12ff62eaf646ddc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0f4fe7789b45c5d6e381f85ca0af4ace94ed40028407df930e127ed59e9a38bf [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "0f4fe7789b45c5d6e381f85ca0af4ace94ed40028407df930e127ed59e9a38bf", kill_on_drop: false }` [INFO] [stderr] Compiling cc v1.0.66 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Compiling pin-project-internal v0.4.27 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling serde v1.0.123 [INFO] [stderr] Checking pin-project-lite v0.1.11 [INFO] [stderr] Compiling openssl v0.10.32 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Checking openssl-probe v0.1.2 [INFO] [stderr] Checking httpdate v0.3.2 [INFO] [stderr] Compiling event-listener v2.5.1 [INFO] [stderr] Compiling serde_json v1.0.62 [INFO] [stderr] Compiling cached_proc_macro_types v0.1.0 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Compiling derive_builder v0.9.0 [INFO] [stderr] Checking ipnet v2.3.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Checking strum v0.20.0 [INFO] [stderr] Checking futures-task v0.3.12 [INFO] [stderr] Compiling indexmap v1.6.1 [INFO] [stderr] Checking tracing-core v0.1.17 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Compiling test-case v1.1.0 [INFO] [stderr] Checking form_urlencoded v1.0.0 [INFO] [stderr] Checking http v0.2.3 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking async-mutex v1.4.0 [INFO] [stderr] Checking crc32fast v1.2.1 [INFO] [stderr] Checking encoding_rs v0.8.28 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking socket2 v0.3.19 [INFO] [stderr] Checking getrandom v0.2.2 [INFO] [stderr] Checking parking_lot_core v0.8.2 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking idna v0.2.1 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Checking tracing v0.1.23 [INFO] [stderr] Checking rand_core v0.6.1 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking flate2 v1.0.20 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Compiling openssl-sys v0.9.60 [INFO] [stderr] Checking url v2.2.0 [INFO] [stderr] Checking tokio v0.2.25 [INFO] [stderr] Checking async-compression v0.3.7 [INFO] [stderr] Compiling native-tls v0.2.7 [INFO] [stderr] Checking http-body v0.3.1 [INFO] [stderr] Checking serde_urlencoded v0.7.0 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking tokio-tls v0.3.1 [INFO] [stderr] Compiling darling_core v0.10.2 [INFO] [stderr] Compiling futures-macro v0.3.12 [INFO] [stderr] Compiling pin-project-internal v1.0.5 [INFO] [stderr] Compiling extend v0.1.2 [INFO] [stderr] Compiling async-trait v0.1.42 [INFO] [stderr] Compiling strum_macros v0.20.1 [INFO] [stderr] Compiling darling_macro v0.10.2 [INFO] [stderr] Checking assert-json-diff v1.1.0 [INFO] [stderr] Checking futures-util v0.3.12 [INFO] [stderr] Checking mockito v0.29.0 [INFO] [stderr] Compiling darling v0.10.2 [INFO] [stderr] Compiling derive_builder_core v0.9.0 [INFO] [stderr] Compiling cached_proc_macro v0.6.0 [INFO] [stderr] Checking pin-project v0.4.27 [INFO] [stderr] Checking tracing-futures v0.2.4 [INFO] [stderr] Checking pin-project v1.0.5 [INFO] [stderr] Checking h2 v0.2.7 [INFO] [stderr] Checking futures-executor v0.3.12 [INFO] [stderr] Checking futures v0.3.12 [INFO] [stderr] Checking cached v0.23.0 [INFO] [stderr] Checking hyper v0.13.10 [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] 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: 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] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [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: 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] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> src/testing_helpers.rs:62:88 [INFO] [stdout] | [INFO] [stdout] 62 | self.http_path.split('#').collect::>().first().unwrap().to_string().as_ref(), [INFO] [stdout] | ---------------------------------------------------------------------------^^^^^^-- [INFO] [stdout] | | | [INFO] [stdout] | | cannot infer type for type parameter `T` declared on the trait `AsRef` [INFO] [stdout] | this method call resolves to `&T` [INFO] [stdout] | [INFO] [stdout] = note: cannot satisfy `String: AsRef<_>` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `loader-rs` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0283`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "0f4fe7789b45c5d6e381f85ca0af4ace94ed40028407df930e127ed59e9a38bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f4fe7789b45c5d6e381f85ca0af4ace94ed40028407df930e127ed59e9a38bf", kill_on_drop: false }` [INFO] [stdout] 0f4fe7789b45c5d6e381f85ca0af4ace94ed40028407df930e127ed59e9a38bf