[INFO] fetching crate rustc-ap-syntax 645.0.0...
[INFO] checking rustc-ap-syntax-645.0.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate rustc-ap-syntax 645.0.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate rustc-ap-syntax 645.0.0
[INFO] finished tweaking crates.io crate rustc-ap-syntax 645.0.0
[INFO] tweaked toml for crates.io crate rustc-ap-syntax 645.0.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustc-ap-syntax 645.0.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 61 packages to latest compatible versions
[INFO] [stderr]       Adding rustc-ap-rustc_data_structures v645.0.0 (available: v727.0.0)
[INFO] [stderr]       Adding rustc-ap-rustc_index v645.0.0 (available: v727.0.0)
[INFO] [stderr]       Adding rustc-ap-rustc_lexer v645.0.0 (available: v727.0.0)
[INFO] [stderr]       Adding rustc-ap-rustc_macros v645.0.0 (available: v727.0.0)
[INFO] [stderr]       Adding rustc-ap-rustc_span v645.0.0 (available: v727.0.0)
[INFO] [stderr]       Adding rustc-ap-serialize v645.0.0 (available: v662.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded measureme v0.7.1
[INFO] [stderr]   Downloaded rustc-rayon-core v0.3.2
[INFO] [stderr]   Downloaded rustc-ap-rustc_lexer v645.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_index v645.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_data_structures v645.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_span v645.0.0
[INFO] [stderr]   Downloaded rustc-ap-serialize v645.0.0
[INFO] [stderr]   Downloaded rustc-ap-arena v645.0.0
[INFO] [stderr]   Downloaded rustc-rayon v0.3.2
[INFO] [stderr]   Downloaded ena v0.13.1
[INFO] [stderr]   Downloaded rustc-ap-graphviz v645.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_macros v645.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 660c682a410d162d864b4be3aecd74e92122f8f9c73966b7c9754cbdeb7aeabd
[INFO] running `Command { std: "docker" "start" "-a" "660c682a410d162d864b4be3aecd74e92122f8f9c73966b7c9754cbdeb7aeabd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "660c682a410d162d864b4be3aecd74e92122f8f9c73966b7c9754cbdeb7aeabd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "660c682a410d162d864b4be3aecd74e92122f8f9c73966b7c9754cbdeb7aeabd", kill_on_drop: false }`
[INFO] [stdout] 660c682a410d162d864b4be3aecd74e92122f8f9c73966b7c9754cbdeb7aeabd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f7c789766205e4ab5a766aba8a11cdfb12456403c9027fc4f9fc181716464f7
[INFO] running `Command { std: "docker" "start" "-a" "7f7c789766205e4ab5a766aba8a11cdfb12456403c9027fc4f9fc181716464f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling rustc-rayon-core v0.3.2
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/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: removed in 1.54.0; see <https://github.com/rust-lang/rust/pull/85109> for more information
[INFO] [stdout]    = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]     Checking rustc-ap-graphviz v645.0.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking ena v0.13.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr] error: could not compile `lock_api` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7f7c789766205e4ab5a766aba8a11cdfb12456403c9027fc4f9fc181716464f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f7c789766205e4ab5a766aba8a11cdfb12456403c9027fc4f9fc181716464f7", kill_on_drop: false }`
[INFO] [stdout] 7f7c789766205e4ab5a766aba8a11cdfb12456403c9027fc4f9fc181716464f7