[INFO] fetching crate rustc-ap-arena 662.0.0...
[INFO] building rustc-ap-arena-662.0.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate rustc-ap-arena 662.0.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate rustc-ap-arena 662.0.0
[INFO] finished tweaking crates.io crate rustc-ap-arena 662.0.0
[INFO] tweaked toml for crates.io crate rustc-ap-arena 662.0.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustc-ap-arena 662.0.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 70 packages to latest compatible versions
[INFO] [stderr]       Adding rustc-ap-rustc_data_structures v662.0.0 (available: v727.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-ap-graphviz v662.0.0
[INFO] [stderr]   Downloaded rustc-ap-serialize v662.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_data_structures v662.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_index v662.0.0
[INFO] [stderr]   Downloaded rustc-rayon v0.3.2
[INFO] [stderr]   Downloaded parking_lot_core v0.7.3
[INFO] [stderr]   Downloaded rustc-rayon-core v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b19e78e696f2eca38cbe5309c9380d5585f72d65981c0bb98e2a360c59b5d5e5
[INFO] running `Command { std: "docker" "start" "-a" "b19e78e696f2eca38cbe5309c9380d5585f72d65981c0bb98e2a360c59b5d5e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b19e78e696f2eca38cbe5309c9380d5585f72d65981c0bb98e2a360c59b5d5e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b19e78e696f2eca38cbe5309c9380d5585f72d65981c0bb98e2a360c59b5d5e5", kill_on_drop: false }`
[INFO] [stdout] b19e78e696f2eca38cbe5309c9380d5585f72d65981c0bb98e2a360c59b5d5e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f466b98c7193a68eefbd8c52cc30f667b916d5305d67ea351d3182b0f7d86b6
[INFO] running `Command { std: "docker" "start" "-a" "7f466b98c7193a68eefbd8c52cc30f667b916d5305d67ea351d3182b0f7d86b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling rustc-rayon-core v0.3.2
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling ena v0.14.3
[INFO] [stderr]    Compiling stacker v0.1.21
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling rustc-ap-graphviz v662.0.0
[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] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "7f466b98c7193a68eefbd8c52cc30f667b916d5305d67ea351d3182b0f7d86b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f466b98c7193a68eefbd8c52cc30f667b916d5305d67ea351d3182b0f7d86b6", kill_on_drop: false }`
[INFO] [stdout] 7f466b98c7193a68eefbd8c52cc30f667b916d5305d67ea351d3182b0f7d86b6