[INFO] fetching crate rsfmt 1.60.0... [INFO] testing rsfmt-1.60.0 against 1.91.0 for beta-1.92-2 [INFO] extracting crate rsfmt 1.60.0 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate rsfmt 1.60.0 [INFO] finished tweaking crates.io crate rsfmt 1.60.0 [INFO] tweaked toml for crates.io crate rsfmt 1.60.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate rsfmt 1.60.0 on toolchain 1.91.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate rsfmt 1.60.0 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded structopt v0.3.26 [INFO] [stderr] Downloaded walkdir v2.3.2 [INFO] [stderr] Downloaded quote v1.0.15 [INFO] [stderr] Downloaded rustc-ap-rustc_index v727.0.0 [INFO] [stderr] Downloaded structopt-derive v0.4.18 [INFO] [stderr] Downloaded rustc-ap-rustc_fs_util v727.0.0 [INFO] [stderr] Downloaded termize v0.1.1 [INFO] [stderr] Downloaded redox_syscall v0.2.10 [INFO] [stderr] Downloaded rustc-ap-rustc_lexer v727.0.0 [INFO] [stderr] Downloaded annotate-snippets v0.8.0 [INFO] [stderr] Downloaded rustc-ap-rustc_ast_pretty v727.0.0 [INFO] [stderr] Downloaded tinyvec v1.5.1 [INFO] [stderr] Downloaded rustc-ap-rustc_errors v727.0.0 [INFO] [stderr] Downloaded unicode-segmentation v1.8.0 [INFO] [stderr] Downloaded rustc-ap-rustc_data_structures v727.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_target v727.0.0 [INFO] [stderr] Downloaded rustc-rayon v0.3.2 [INFO] [stderr] Downloaded rustc-ap-rustc_parse v727.0.0 [INFO] [stderr] Downloaded syn v1.0.86 [INFO] [stderr] Downloaded rustc-ap-rustc_session v727.0.0 [INFO] [stderr] Downloaded rustc-rayon-core v0.3.2 [INFO] [stderr] Downloaded cc v1.0.72 [INFO] [stderr] Downloaded tracing v0.1.29 [INFO] [stderr] Downloaded rustc-ap-rustc_ast v727.0.0 [INFO] [stderr] Downloaded crossbeam-epoch v0.9.6 [INFO] [stderr] Downloaded crossbeam-utils v0.8.6 [INFO] [stderr] Downloaded indexmap v1.8.0 [INFO] [stderr] Downloaded smallvec v1.8.0 [INFO] [stderr] Downloaded rustc-ap-rustc_serialize v727.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_span v727.0.0 [INFO] [stderr] Downloaded tracing-attributes v0.1.18 [INFO] [stderr] Downloaded tracing-core v0.1.21 [INFO] [stderr] Downloaded rustc-ap-rustc_lint_defs v727.0.0 [INFO] [stderr] Downloaded measureme v9.1.2 [INFO] [stderr] Downloaded memmap2 v0.2.3 [INFO] [stderr] Downloaded lock_api v0.4.6 [INFO] [stderr] Downloaded parking_lot_core v0.8.5 [INFO] [stderr] Downloaded crossbeam-deque v0.8.1 [INFO] [stderr] Downloaded libc v0.2.116 [INFO] [stderr] Downloaded stacker v0.1.14 [INFO] [stderr] Downloaded arrayvec v0.7.2 [INFO] [stderr] Downloaded pin-project-lite v0.2.8 [INFO] [stderr] Downloaded proc-macro2 v1.0.36 [INFO] [stderr] Downloaded rustc-ap-rustc_feature v727.0.0 [INFO] [stderr] Downloaded md-5 v0.9.1 [INFO] [stderr] Downloaded rustc-ap-rustc_arena v727.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_graphviz v727.0.0 [INFO] [stderr] Downloaded cpufeatures v0.2.1 [INFO] [stderr] Downloaded ena v0.14.0 [INFO] [stderr] Downloaded perf-event-open-sys v1.0.1 [INFO] [stderr] Downloaded psm v0.1.16 [INFO] [stderr] Downloaded rustc-ap-rustc_macros v727.0.0 [INFO] [stderr] Downloaded jobserver v0.1.24 [INFO] [stderr] Downloaded unicode-width v0.1.9 [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 56f76060c472d411d9703a2dee957be5c7ea03788bb1a0791e8d5bb530aede77 [INFO] running `Command { std: "docker" "start" "-a" "56f76060c472d411d9703a2dee957be5c7ea03788bb1a0791e8d5bb530aede77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "56f76060c472d411d9703a2dee957be5c7ea03788bb1a0791e8d5bb530aede77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "56f76060c472d411d9703a2dee957be5c7ea03788bb1a0791e8d5bb530aede77", kill_on_drop: false }` [INFO] [stdout] 56f76060c472d411d9703a2dee957be5c7ea03788bb1a0791e8d5bb530aede77 [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 624fa1190de642d31ce294c2fe02c78672f12402001303c37397cd4ca9ecae86 [INFO] running `Command { std: "docker" "start" "-a" "624fa1190de642d31ce294c2fe02c78672f12402001303c37397cd4ca9ecae86", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.116 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.6 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Compiling smallvec v1.8.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.6 [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/smallvec-1.8.0/src/lib.rs:83:37 [INFO] [stdout] | [INFO] [stdout] 83 | #![cfg_attr(feature = "may_dangle", feature(dropck_eyepatch))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling generic-array v0.14.5 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `smallvec` (lib) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "624fa1190de642d31ce294c2fe02c78672f12402001303c37397cd4ca9ecae86", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "624fa1190de642d31ce294c2fe02c78672f12402001303c37397cd4ca9ecae86", kill_on_drop: false }` [INFO] [stdout] 624fa1190de642d31ce294c2fe02c78672f12402001303c37397cd4ca9ecae86