[INFO] fetching crate rustc-ap-syntax 645.0.0...
[INFO] testing rustc-ap-syntax-645.0.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate rustc-ap-syntax 645.0.0 into /workspace/builds/worker-6-tc2/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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustc-ap-syntax 645.0.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 683aaff220ccb921735980c4c484eb8aa24ba964f764ffc98fc1b636c690f31c
[INFO] running `Command { std: "docker" "start" "-a" "683aaff220ccb921735980c4c484eb8aa24ba964f764ffc98fc1b636c690f31c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "683aaff220ccb921735980c4c484eb8aa24ba964f764ffc98fc1b636c690f31c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "683aaff220ccb921735980c4c484eb8aa24ba964f764ffc98fc1b636c690f31c", kill_on_drop: false }`
[INFO] [stdout] 683aaff220ccb921735980c4c484eb8aa24ba964f764ffc98fc1b636c690f31c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b12d24ad942d0fcbd971ab54d44059471cc366b0483d1e9a9f56ba5b46c07ef
[INFO] running `Command { std: "docker" "start" "-a" "1b12d24ad942d0fcbd971ab54d44059471cc366b0483d1e9a9f56ba5b46c07ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling rustc-rayon-core v0.3.2
[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] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling memmap v0.7.0
[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] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling rustc-ap-serialize v645.0.0
[INFO] [stderr]    Compiling ena v0.13.1
[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] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-ap-serialize-645.0.0/lib.rs:12:27
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![feature(rustc_private, box_syntax)]
[INFO] [stdout]    |                           ^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: removed in 1.70.0; see <https://github.com/rust-lang/rust/pull/108471> for more information
[INFO] [stdout]    = note: replaced with `#[rustc_box]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-ap-serialize-645.0.0/serialize.rs:652:12
[INFO] [stdout]     |
[INFO] [stdout] 652 |         Ok(box Decodable::decode(d)?)
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 652 -         Ok(box Decodable::decode(d)?)
[INFO] [stdout] 652 +         Ok(Box::new(Decodable::decode(d)?))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-ap-serialize` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "1b12d24ad942d0fcbd971ab54d44059471cc366b0483d1e9a9f56ba5b46c07ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b12d24ad942d0fcbd971ab54d44059471cc366b0483d1e9a9f56ba5b46c07ef", kill_on_drop: false }`
[INFO] [stdout] 1b12d24ad942d0fcbd971ab54d44059471cc366b0483d1e9a9f56ba5b46c07ef