[INFO] crate loader-rs 0.7.0 is already in cache [INFO] checking loader-rs-0.7.0 against try#5fdfba63a96c5e8ae0ebf6b8b66853110277087d for pr-73166 [INFO] extracting crate loader-rs 0.7.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate loader-rs 0.7.0 on toolchain 5fdfba63a96c5e8ae0ebf6b8b66853110277087d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 009f8744075fd0cee460fed8f7766ebbc16d535c9c024e5054ee767f9aed5941 [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" "009f8744075fd0cee460fed8f7766ebbc16d535c9c024e5054ee767f9aed5941", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "009f8744075fd0cee460fed8f7766ebbc16d535c9c024e5054ee767f9aed5941", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "009f8744075fd0cee460fed8f7766ebbc16d535c9c024e5054ee767f9aed5941", kill_on_drop: false }` [INFO] [stdout] 009f8744075fd0cee460fed8f7766ebbc16d535c9c024e5054ee767f9aed5941 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] df9774a3e6f2d8502ad96734a26d72d3237bba1fbefefd91e2d86a6ab76202df [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" "df9774a3e6f2d8502ad96734a26d72d3237bba1fbefefd91e2d86a6ab76202df", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.35 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling pin-project-internal v0.4.22 [INFO] [stderr] Checking futures-core v0.3.5 [INFO] [stderr] Checking pin-project-lite v0.1.7 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking once_cell v1.4.0 [INFO] [stderr] Checking futures-io v0.3.5 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling cache-padded v1.1.1 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling parking v1.0.5 [INFO] [stderr] Compiling fastrand v1.3.3 [INFO] [stderr] Compiling event-listener v2.2.0 [INFO] [stderr] Compiling waker-fn v1.0.0 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Checking futures-sink v0.3.5 [INFO] [stderr] Compiling atomic-waker v1.0.0 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling scoped-tls v1.0.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling async-task v3.0.0 [INFO] [stderr] Checking tower-service v0.3.0 [INFO] [stderr] Checking ppv-lite86 v0.2.8 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking smallvec v1.4.1 [INFO] [stderr] Checking instant v0.1.6 [INFO] [stderr] Checking base64 v0.12.3 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Compiling derive_builder v0.9.0 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking strum v0.18.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.3 [INFO] [stderr] Compiling proc-macro-error v1.0.3 [INFO] [stderr] Compiling test-case v1.0.0 [INFO] [stderr] Checking tracing-core v0.1.11 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Compiling concurrent-queue v1.1.1 [INFO] [stderr] Checking futures-channel v0.3.5 [INFO] [stderr] Checking futures-task v0.3.5 [INFO] [stderr] Checking lock_api v0.4.1 [INFO] [stderr] Checking http v0.2.1 [INFO] [stderr] Compiling libc v0.2.73 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Checking socket2 v0.3.12 [INFO] [stderr] Checking parking_lot_core v0.8.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking async-channel v1.1.1 [INFO] [stderr] Checking flate2 v1.0.16 [INFO] [stderr] Checking serde_json v1.0.56 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking futures-lite v0.1.9 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Checking serde_urlencoded v0.6.1 [INFO] [stderr] Checking colored v1.9.3 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling kv-log-macro v1.0.7 [INFO] [stderr] Checking parking_lot v0.11.0 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking tracing v0.1.17 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking native-tls v0.2.4 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Checking async-compression v0.3.5 [INFO] [stderr] Checking blocking v0.4.7 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking tokio v0.2.22 [INFO] [stderr] Checking http-body v0.3.1 [INFO] [stderr] Checking regex v1.3.9 [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 syn-mid v0.5.0 [INFO] [stderr] Compiling async-attributes v1.1.1 [INFO] [stderr] Compiling strum_macros v0.18.0 [INFO] [stderr] Compiling darling_macro v0.10.2 [INFO] [stderr] Compiling extend v0.1.2 [INFO] [stderr] Compiling darling v0.10.2 [INFO] [stderr] Compiling derive_builder_core v0.9.0 [INFO] [stderr] Checking assert-json-diff v1.1.0 [INFO] [stderr] Checking mockito v0.26.0 [INFO] [stderr] Checking pin-project v0.4.22 [INFO] [stderr] Compiling futures-util v0.3.5 [INFO] [stderr] Checking h2 v0.2.6 [INFO] [stderr] Checking smol v0.1.18 [INFO] [stderr] Checking async-std v1.6.2 [INFO] [stderr] Checking hyper v0.13.7 [INFO] [stderr] Compiling cached_proc_macro v0.2.0 [INFO] [stderr] Checking cached v0.17.0 [INFO] [stderr] Checking hyper-tls v0.4.3 [INFO] [stderr] Checking reqwest v0.10.6 [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] [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] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [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 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "df9774a3e6f2d8502ad96734a26d72d3237bba1fbefefd91e2d86a6ab76202df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df9774a3e6f2d8502ad96734a26d72d3237bba1fbefefd91e2d86a6ab76202df", kill_on_drop: false }` [INFO] [stdout] df9774a3e6f2d8502ad96734a26d72d3237bba1fbefefd91e2d86a6ab76202df