[INFO] fetching crate rustc-ap-syntax_pos 634.0.0...
[INFO] testing rustc-ap-syntax_pos-634.0.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate rustc-ap-syntax_pos 634.0.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate rustc-ap-syntax_pos 634.0.0
[INFO] finished tweaking crates.io crate rustc-ap-syntax_pos 634.0.0
[INFO] tweaked toml for crates.io crate rustc-ap-syntax_pos 634.0.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustc-ap-syntax_pos 634.0.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 60 packages to latest compatible versions
[INFO] [stderr]       Adding cfg-if v0.1.10 (available: v1.0.3)
[INFO] [stderr]       Adding rustc-ap-arena v634.0.0 (available: v662.0.0)
[INFO] [stderr]       Adding rustc-ap-rustc_data_structures v634.0.0 (available: v727.0.0)
[INFO] [stderr]       Adding rustc-ap-rustc_index v634.0.0 (available: v727.0.0)
[INFO] [stderr]       Adding rustc-ap-rustc_macros v634.0.0 (available: v727.0.0)
[INFO] [stderr]       Adding rustc-ap-serialize v634.0.0 (available: v662.0.0)
[INFO] [stderr]       Adding unicode-width v0.1.14 (available: v0.2.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-ap-arena v634.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_macros v634.0.0
[INFO] [stderr]   Downloaded rustc-ap-serialize v634.0.0
[INFO] [stderr]   Downloaded rustc-rayon-core v0.3.2
[INFO] [stderr]   Downloaded rustc-ap-graphviz v634.0.0
[INFO] [stderr]   Downloaded measureme v0.5.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_index v634.0.0
[INFO] [stderr]   Downloaded rustc-rayon v0.3.2
[INFO] [stderr]   Downloaded rustc-ap-rustc_data_structures v634.0.0
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b752069e32b95e068780e44e256010acf19649d92f4de208b66b6679f58a5c14
[INFO] running `Command { std: "docker" "start" "-a" "b752069e32b95e068780e44e256010acf19649d92f4de208b66b6679f58a5c14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b752069e32b95e068780e44e256010acf19649d92f4de208b66b6679f58a5c14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b752069e32b95e068780e44e256010acf19649d92f4de208b66b6679f58a5c14", kill_on_drop: false }`
[INFO] [stdout] b752069e32b95e068780e44e256010acf19649d92f4de208b66b6679f58a5c14
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c5fad32e1368b782228f3b63120d883a7b2d5971d6e5c39e2933c7e4806592f
[INFO] running `Command { std: "docker" "start" "-a" "3c5fad32e1368b782228f3b63120d883a7b2d5971d6e5c39e2933c7e4806592f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-rayon-core v0.3.2
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling rustc-ap-graphviz v634.0.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling itertools v0.8.2
[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" "3c5fad32e1368b782228f3b63120d883a7b2d5971d6e5c39e2933c7e4806592f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c5fad32e1368b782228f3b63120d883a7b2d5971d6e5c39e2933c7e4806592f", kill_on_drop: false }`
[INFO] [stdout] 3c5fad32e1368b782228f3b63120d883a7b2d5971d6e5c39e2933c7e4806592f