[INFO] fetching crate char_classifier 0.0.0...
[INFO] checking char_classifier-0.0.0 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate char_classifier 0.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate char_classifier 0.0.0 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate char_classifier 0.0.0
[INFO] finished tweaking crates.io crate char_classifier 0.0.0
[INFO] tweaked toml for crates.io crate char_classifier 0.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: support for rustc plugins has been removed from rustc. library `char_classifier` should not specify `plugin = true`
[INFO] [stderr] warning: support for `plugin = true` will be removed from cargo in the future
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quasi v0.10.0
[INFO] [stderr]   Downloaded quasi_codegen v0.10.0
[INFO] [stderr]   Downloaded ref_slice v1.2.1
[INFO] [stderr]   Downloaded refinery-macros v0.1.0
[INFO] [stderr]   Downloaded bit-matrix v0.2.0
[INFO] [stderr]   Downloaded optional v0.5.0
[INFO] [stderr]   Downloaded rustfix v0.6.1
[INFO] [stderr]   Downloaded typed-arena v1.7.0
[INFO] [stderr]   Downloaded range-map v0.1.5
[INFO] [stderr]   Downloaded tester v0.9.1
[INFO] [stderr]   Downloaded compiletest_rs v0.10.2
[INFO] [stderr]   Downloaded itertools v0.4.19
[INFO] [stderr]   Downloaded regex-syntax v0.2.6
[INFO] [stderr]   Downloaded gearley v0.0.4
[INFO] [stderr]   Downloaded cfg v0.3.0
[INFO] [stderr]   Downloaded aho-corasick v0.4.1
[INFO] [stderr]   Downloaded aster v0.16.0
[INFO] [stderr]   Downloaded barrel v0.5.8
[INFO] [stderr]   Downloaded cfg v0.5.0
[INFO] [stderr]   Downloaded quasi_macros v0.10.0
[INFO] [stderr]   Downloaded memmem v0.1.1
[INFO] [stderr]   Downloaded panini v0.0.0
[INFO] [stderr]   Downloaded refinery-migrations v0.1.0
[INFO] [stderr]   Downloaded refinery v0.1.10
[INFO] [stderr]   Downloaded bit-matrix v0.6.1
[INFO] [stderr]   Downloaded enum_stream_codegen v0.0.0
[INFO] [stderr]   Downloaded regex_dfa v0.4.0
[INFO] [stderr]   Downloaded panini_codegen v0.0.0
[INFO] [stderr]   Downloaded panini_macros_snapshot v0.0.0
[INFO] [stderr]   Downloaded panini_macros v0.0.0
[INFO] [stderr]   Downloaded cfg-regex v0.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5984cce5b9f3d6e16e02a50499c190f18f928d6b9db38873e89c2bf7a9e97228
[INFO] running `Command { std: "docker" "start" "-a" "5984cce5b9f3d6e16e02a50499c190f18f928d6b9db38873e89c2bf7a9e97228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5984cce5b9f3d6e16e02a50499c190f18f928d6b9db38873e89c2bf7a9e97228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5984cce5b9f3d6e16e02a50499c190f18f928d6b9db38873e89c2bf7a9e97228", kill_on_drop: false }`
[INFO] [stdout] 5984cce5b9f3d6e16e02a50499c190f18f928d6b9db38873e89c2bf7a9e97228
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8c5cf65d1d625031b136600c238d0ca2d1dd3496b4e20bc82ffc293b90b52b9
[INFO] running `Command { std: "docker" "start" "-a" "d8c5cf65d1d625031b136600c238d0ca2d1dd3496b4e20bc82ffc293b90b52b9", kill_on_drop: false }`
[INFO] [stderr] warning: support for rustc plugins has been removed from rustc. library `char_classifier` should not specify `plugin = true`
[INFO] [stderr] warning: support for `plugin = true` will be removed from cargo in the future
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling iana-time-zone v0.1.60
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling barrel v0.5.8
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling bit-matrix v0.2.0
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling chrono v0.4.37
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling aster v0.16.0
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/aster-0.16.0/src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | extern crate syntax;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aster` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d8c5cf65d1d625031b136600c238d0ca2d1dd3496b4e20bc82ffc293b90b52b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8c5cf65d1d625031b136600c238d0ca2d1dd3496b4e20bc82ffc293b90b52b9", kill_on_drop: false }`
[INFO] [stdout] d8c5cf65d1d625031b136600c238d0ca2d1dd3496b4e20bc82ffc293b90b52b9
