[INFO] fetching crate cargo-difftests 0.1.0...
[INFO] checking cargo-difftests-0.1.0 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate cargo-difftests 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate cargo-difftests 0.1.0 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 cargo-difftests 0.1.0
[INFO] finished tweaking crates.io crate cargo-difftests 0.1.0
[INFO] tweaked toml for crates.io crate cargo-difftests 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate cargo-difftests 0.1.0 already has a lockfile, it will not be regenerated
[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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded path-absolutize v3.0.14
[INFO] [stderr]   Downloaded path-dedot v3.0.18
[INFO] [stderr]   Downloaded is-terminal v0.4.3
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.90
[INFO] [stderr]   Downloaded jobserver v0.1.25
[INFO] [stderr]   Downloaded clap_lex v0.3.1
[INFO] [stderr]   Downloaded clap_derive v4.1.0
[INFO] [stderr]   Downloaded unicode-bidi v0.3.10
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.90
[INFO] [stderr]   Downloaded anyhow v1.0.69
[INFO] [stderr]   Downloaded cxx-build v1.0.90
[INFO] [stderr]   Downloaded rustix v0.36.8
[INFO] [stderr]   Downloaded clap v4.1.4
[INFO] [stderr]   Downloaded cxx v1.0.90
[INFO] [stderr]   Downloaded git2 v0.16.1
[INFO] [stderr]   Downloaded io-lifetimes v1.0.5
[INFO] [stderr]   Downloaded serde_json v1.0.93
[INFO] [stderr]   Downloaded cargo-difftests-core v0.1.0
[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] cb13cef9bd2644f5384e8b95867b50eba3b00faf11d89b9ace027e33cc2fdcb4
[INFO] running `Command { std: "docker" "start" "-a" "cb13cef9bd2644f5384e8b95867b50eba3b00faf11d89b9ace027e33cc2fdcb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb13cef9bd2644f5384e8b95867b50eba3b00faf11d89b9ace027e33cc2fdcb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb13cef9bd2644f5384e8b95867b50eba3b00faf11d89b9ace027e33cc2fdcb4", kill_on_drop: false }`
[INFO] [stdout] cb13cef9bd2644f5384e8b95867b50eba3b00faf11d89b9ace027e33cc2fdcb4
[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] 07a3ef56ea4234b9c0a60e8464e69d52a3296e0d9c0bddc22df1fb688d6057d4
[INFO] running `Command { std: "docker" "start" "-a" "07a3ef56ea4234b9c0a60e8464e69d52a3296e0d9c0bddc22df1fb688d6057d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling io-lifetimes v1.0.5
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling rustix v0.36.8
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking unicode-bidi v0.3.10
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking num-traits v0.2.15
[INFO] [stderr]     Checking os_str_bytes v6.4.1
[INFO] [stderr]    Compiling serde_json v1.0.93
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]    Compiling anyhow v1.0.69
[INFO] [stderr]     Checking path-dedot v3.0.18
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]     Checking clap_lex v0.3.1
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking iana-time-zone v0.1.53
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking path-absolutize v3.0.14
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `LineColumn` in crate `proc_macro`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.51/src/wrapper.rs:475:33
[INFO] [stdout]     |
[INFO] [stdout] 475 |                 let proc_macro::LineColumn { line, column } = s.start();
[INFO] [stdout]     |                                 ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct through its public re-export
[INFO] [stdout]     |
[INFO] [stdout] 1   + use crate::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `LineColumn`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 475 -                 let proc_macro::LineColumn { line, column } = s.start();
[INFO] [stdout] 475 +                 let LineColumn { line, column } = s.start();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `LineColumn` in crate `proc_macro`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.51/src/wrapper.rs:489:33
[INFO] [stdout]     |
[INFO] [stdout] 489 |                 let proc_macro::LineColumn { line, column } = s.end();
[INFO] [stdout]     |                                 ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct through its public re-export
[INFO] [stdout]     |
[INFO] [stdout] 1   + use crate::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `LineColumn`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 489 -                 let proc_macro::LineColumn { line, column } = s.end();
[INFO] [stdout] 489 +                 let LineColumn { line, column } = s.end();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking path-slash v0.2.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.51/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0422, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "07a3ef56ea4234b9c0a60e8464e69d52a3296e0d9c0bddc22df1fb688d6057d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07a3ef56ea4234b9c0a60e8464e69d52a3296e0d9c0bddc22df1fb688d6057d4", kill_on_drop: false }`
[INFO] [stdout] 07a3ef56ea4234b9c0a60e8464e69d52a3296e0d9c0bddc22df1fb688d6057d4
