[INFO] fetching crate fast-rustc-ap-rustc_parse 1.0.0...
[INFO] testing fast-rustc-ap-rustc_parse-1.0.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate fast-rustc-ap-rustc_parse 1.0.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate fast-rustc-ap-rustc_parse 1.0.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fast-rustc-ap-rustc_parse 1.0.0
[INFO] finished tweaking crates.io crate fast-rustc-ap-rustc_parse 1.0.0
[INFO] tweaked toml for crates.io crate fast-rustc-ap-rustc_parse 1.0.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded termize v0.1.1
[INFO] [stderr]   Downloaded annotate-snippets v0.6.1
[INFO] [stderr]   Downloaded ena v0.13.1
[INFO] [stderr]   Downloaded fast-rustc-ap-arena v1.0.0
[INFO] [stderr]   Downloaded fast-rustc-ap-rustc_fs_util v1.0.0
[INFO] [stderr]   Downloaded fast-rustc-ap-rustc_macros v1.0.0
[INFO] [stderr]   Downloaded fast-rustc-ap-rustc_attr v1.0.0
[INFO] [stderr]   Downloaded fast-rustc-ap-rustc_index v1.0.0
[INFO] [stderr]   Downloaded fast-rustc-ap-rustc_lexer v1.0.0
[INFO] [stderr]   Downloaded measureme v0.7.1
[INFO] [stderr]   Downloaded fast-rustc-ap-rustc_feature v1.0.0
[INFO] [stderr]   Downloaded fast-rustc-ap-graphviz v1.0.0
[INFO] [stderr]   Downloaded fast-rustc-ap-rustc_session v1.0.0
[INFO] [stderr]   Downloaded fast-rustc-ap-rustc_span v1.0.0
[INFO] [stderr]   Downloaded fast-rustc-ap-rustc_errors v1.0.0
[INFO] [stderr]   Downloaded fast-rustc-ap-rustc_ast_pretty v1.0.0
[INFO] [stderr]   Downloaded fast-rustc-ap-serialize v1.0.0
[INFO] [stderr]   Downloaded fast-rustc-ap-rustc_data_structures v1.0.0
[INFO] [stderr]   Downloaded rustc-rayon v0.3.2
[INFO] [stderr]   Downloaded rustc-rayon-core v0.3.2
[INFO] [stderr]   Downloaded fast-rustc-ap-rustc_ast v1.0.0
[INFO] [stderr]   Downloaded fast-rustc-ap-rustc_target v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81de5525e96efc898ee35904ae807beefb5683d72a5692e0b1d5c2dee79527c7
[INFO] running `Command { std: "docker" "start" "-a" "81de5525e96efc898ee35904ae807beefb5683d72a5692e0b1d5c2dee79527c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81de5525e96efc898ee35904ae807beefb5683d72a5692e0b1d5c2dee79527c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81de5525e96efc898ee35904ae807beefb5683d72a5692e0b1d5c2dee79527c7", kill_on_drop: false }`
[INFO] [stdout] 81de5525e96efc898ee35904ae807beefb5683d72a5692e0b1d5c2dee79527c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ef1fe6a57eee3bffaa10cc7ccde41ee4991872d0270d51a6c1504e360ba3742
[INFO] running `Command { std: "docker" "start" "-a" "1ef1fe6a57eee3bffaa10cc7ccde41ee4991872d0270d51a6c1504e360ba3742", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.75
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc-rayon-core v0.3.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/lock_api-0.3.4/src/lib.rs:91:42
[INFO] [stdout]    |
[INFO] [stdout] 91 | #![cfg_attr(feature = "nightly", feature(const_fn))]
[INFO] [stdout]    |                                          ^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling smallvec v1.11.2
[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-6f17d22bba15001f/smallvec-1.11.2/src/lib.rs:96:37
[INFO] [stdout]    |
[INFO] [stdout] 96 | #![cfg_attr(feature = "may_dangle", feature(dropck_eyepatch))]
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr] error: could not compile `lock_api` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `smallvec` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "1ef1fe6a57eee3bffaa10cc7ccde41ee4991872d0270d51a6c1504e360ba3742", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ef1fe6a57eee3bffaa10cc7ccde41ee4991872d0270d51a6c1504e360ba3742", kill_on_drop: false }`
[INFO] [stdout] 1ef1fe6a57eee3bffaa10cc7ccde41ee4991872d0270d51a6c1504e360ba3742
