[INFO] cloning repository https://github.com/temochka/lantern
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/temochka/lantern" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftemochka%2Flantern", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftemochka%2Flantern'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5ad5d021c351e96621a86759de71d3128e0d8185
[INFO] checking temochka/lantern/5ad5d021c351e96621a86759de71d3128e0d8185 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftemochka%2Flantern" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/temochka/lantern 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 git repo https://github.com/temochka/lantern
[INFO] finished tweaking git repo https://github.com/temochka/lantern
[INFO] tweaked toml for git repo https://github.com/temochka/lantern written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/temochka/lantern 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]  Downloading crates ...
[INFO] [stderr]   Downloaded scrypt v0.2.0
[INFO] [stderr]   Downloaded serde_derive v1.0.161
[INFO] [stderr]   Downloaded serde v1.0.161
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 918787054dca91b095584716760a1ee46a398177421de8123787fdb778bd5b24
[INFO] running `Command { std: "docker" "start" "-a" "918787054dca91b095584716760a1ee46a398177421de8123787fdb778bd5b24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "918787054dca91b095584716760a1ee46a398177421de8123787fdb778bd5b24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "918787054dca91b095584716760a1ee46a398177421de8123787fdb778bd5b24", kill_on_drop: false }`
[INFO] [stdout] 918787054dca91b095584716760a1ee46a398177421de8123787fdb778bd5b24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] acce1d4e03c69db54de67d1bd8d23cb86b054cf23b58110c38ab6b8a395d90bf
[INFO] running `Command { std: "docker" "start" "-a" "acce1d4e03c69db54de67d1bd8d23cb86b054cf23b58110c38ab6b8a395d90bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling tokio v1.28.0
[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-macro2-1.0.56/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-macro2-1.0.56/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] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/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]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[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" "acce1d4e03c69db54de67d1bd8d23cb86b054cf23b58110c38ab6b8a395d90bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acce1d4e03c69db54de67d1bd8d23cb86b054cf23b58110c38ab6b8a395d90bf", kill_on_drop: false }`
[INFO] [stdout] acce1d4e03c69db54de67d1bd8d23cb86b054cf23b58110c38ab6b8a395d90bf
