[INFO] fetching crate char_classifier 0.0.0...
[INFO] checking char_classifier-0.0.0 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate char_classifier 0.0.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate char_classifier 0.0.0 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "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-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[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 gearley v0.0.4
[INFO] [stderr]   Downloaded ref_slice v1.2.1
[INFO] [stderr]   Downloaded refinery-macros v0.1.0
[INFO] [stderr]   Downloaded typed-arena v1.7.0
[INFO] [stderr]   Downloaded bit-matrix v0.2.0
[INFO] [stderr]   Downloaded rustfix v0.6.1
[INFO] [stderr]   Downloaded range-map v0.1.5
[INFO] [stderr]   Downloaded memmem v0.1.1
[INFO] [stderr]   Downloaded cfg v0.3.0
[INFO] [stderr]   Downloaded tester v0.9.1
[INFO] [stderr]   Downloaded itertools v0.4.19
[INFO] [stderr]   Downloaded regex-syntax v0.2.6
[INFO] [stderr]   Downloaded compiletest_rs v0.10.2
[INFO] [stderr]   Downloaded aster v0.16.0
[INFO] [stderr]   Downloaded lazy_static v0.1.16
[INFO] [stderr]   Downloaded num-bigint v0.1.44
[INFO] [stderr]   Downloaded aho-corasick v0.4.1
[INFO] [stderr]   Downloaded num-complex v0.1.43
[INFO] [stderr]   Downloaded refinery-migrations v0.1.0
[INFO] [stderr]   Downloaded refinery v0.1.10
[INFO] [stderr]   Downloaded cfg v0.5.0
[INFO] [stderr]   Downloaded bit-matrix v0.6.1
[INFO] [stderr]   Downloaded barrel v0.5.8
[INFO] [stderr]   Downloaded enum_stream_codegen v0.0.0
[INFO] [stderr]   Downloaded quasi_macros v0.10.0
[INFO] [stderr]   Downloaded regex_dfa v0.4.0
[INFO] [stderr]   Downloaded panini_codegen v0.0.0
[INFO] [stderr]   Downloaded panini v0.0.0
[INFO] [stderr]   Downloaded panini_macros v0.0.0
[INFO] [stderr]   Downloaded panini_macros_snapshot 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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc662b496d71d87323962fabbd63c8327f55c86d18b60fe0f10d057a59d99658
[INFO] running `Command { std: "docker" "start" "-a" "fc662b496d71d87323962fabbd63c8327f55c86d18b60fe0f10d057a59d99658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc662b496d71d87323962fabbd63c8327f55c86d18b60fe0f10d057a59d99658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc662b496d71d87323962fabbd63c8327f55c86d18b60fe0f10d057a59d99658", kill_on_drop: false }`
[INFO] [stdout] fc662b496d71d87323962fabbd63c8327f55c86d18b60fe0f10d057a59d99658
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3725d81d0fc9ad8d2309942669a28c35fb52973762b3a68ca040d4e95dcd04f
[INFO] running `Command { std: "docker" "start" "-a" "f3725d81d0fc9ad8d2309942669a28c35fb52973762b3a68ca040d4e95dcd04f", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[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 memchr v2.7.1
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling iana-time-zone v0.1.60
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling barrel v0.5.8
[INFO] [stderr]    Compiling syn v2.0.53
[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 quick-error v1.2.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling bit-matrix v0.2.0
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]    Compiling aster v0.16.0
[INFO] [stderr]    Compiling aho-corasick v0.4.1
[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] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling regex-syntax v0.2.6
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling cfg v0.3.0
[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" "f3725d81d0fc9ad8d2309942669a28c35fb52973762b3a68ca040d4e95dcd04f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3725d81d0fc9ad8d2309942669a28c35fb52973762b3a68ca040d4e95dcd04f", kill_on_drop: false }`
[INFO] [stdout] f3725d81d0fc9ad8d2309942669a28c35fb52973762b3a68ca040d4e95dcd04f
[INFO] checking char_classifier-0.0.0 against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] extracting crate char_classifier 0.0.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate char_classifier 0.0.0 on toolchain 09bc67b9158392361780e779d32997f14cc75c39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "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-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "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" "+09bc67b9158392361780e779d32997f14cc75c39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a529395bbab6fa505d01b25723610d4f221025be6523dec888be22a29e36f43f
[INFO] running `Command { std: "docker" "start" "-a" "a529395bbab6fa505d01b25723610d4f221025be6523dec888be22a29e36f43f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a529395bbab6fa505d01b25723610d4f221025be6523dec888be22a29e36f43f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a529395bbab6fa505d01b25723610d4f221025be6523dec888be22a29e36f43f", kill_on_drop: false }`
[INFO] [stdout] a529395bbab6fa505d01b25723610d4f221025be6523dec888be22a29e36f43f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be42df2e998a57d81cd65a51195bc39c79226068ad50bfb3766bd74a21098a1a
[INFO] running `Command { std: "docker" "start" "-a" "be42df2e998a57d81cd65a51195bc39c79226068ad50bfb3766bd74a21098a1a", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[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 memchr v2.7.1
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.60
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling barrel v0.5.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.53
[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 bit-vec v0.4.4
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[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 atty v0.2.14
[INFO] [stderr]    Compiling aster v0.16.0
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]    Compiling aho-corasick v0.4.1
[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] [stderr]    Compiling cfg v0.3.0
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling itertools v0.4.19
[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" "be42df2e998a57d81cd65a51195bc39c79226068ad50bfb3766bd74a21098a1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be42df2e998a57d81cd65a51195bc39c79226068ad50bfb3766bd74a21098a1a", kill_on_drop: false }`
[INFO] [stdout] be42df2e998a57d81cd65a51195bc39c79226068ad50bfb3766bd74a21098a1a
