[INFO] fetching crate cargo-ngrok 0.1.2...
[INFO] checking cargo-ngrok-0.1.2 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate cargo-ngrok 0.1.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate cargo-ngrok 0.1.2 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-ngrok 0.1.2
[INFO] finished tweaking crates.io crate cargo-ngrok 0.1.2
[INFO] tweaked toml for crates.io crate cargo-ngrok 0.1.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate cargo-ngrok 0.1.2 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 97f50a1c8ae3a89066ccd4229cc0b0be35b3573109aa410ce4b65185edfe10fe
[INFO] running `Command { std: "docker" "start" "-a" "97f50a1c8ae3a89066ccd4229cc0b0be35b3573109aa410ce4b65185edfe10fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97f50a1c8ae3a89066ccd4229cc0b0be35b3573109aa410ce4b65185edfe10fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97f50a1c8ae3a89066ccd4229cc0b0be35b3573109aa410ce4b65185edfe10fe", kill_on_drop: false }`
[INFO] [stdout] 97f50a1c8ae3a89066ccd4229cc0b0be35b3573109aa410ce4b65185edfe10fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e4de0c471f0839c2f3bfec74097b73eb059cc5ef543c48df21ae5861c3e44b06
[INFO] running `Command { std: "docker" "start" "-a" "e4de0c471f0839c2f3bfec74097b73eb059cc5ef543c48df21ae5861c3e44b06", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking arc-swap v0.4.4
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling openssl v0.10.28
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking want v0.3.0
[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-macro2-1.0.9/src/wrapper.rs:483:33
[INFO] [stdout]     |
[INFO] [stdout] 483 |                 let proc_macro::LineColumn { line, column } = s.start();
[INFO] [stdout]     |                                 ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 1   + use crate::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] 1   + use crate::fallback::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `LineColumn`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 483 -                 let proc_macro::LineColumn { line, column } = s.start();
[INFO] [stdout] 483 +                 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-macro2-1.0.9/src/wrapper.rs:500:33
[INFO] [stdout]     |
[INFO] [stdout] 500 |                 let proc_macro::LineColumn { line, column } = s.end();
[INFO] [stdout]     |                                 ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 1   + use crate::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] 1   + use crate::fallback::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `LineColumn`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 500 -                 let proc_macro::LineColumn { line, column } = s.end();
[INFO] [stdout] 500 +                 let LineColumn { line, column } = s.end();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[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-macro2-1.0.9/src/wrapper.rs:483:33
[INFO] [stdout]     |
[INFO] [stdout] 483 |                 let proc_macro::LineColumn { line, column } = s.start();
[INFO] [stdout]     |                                 ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 1   + use crate::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] 1   + use crate::fallback::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `LineColumn`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 483 -                 let proc_macro::LineColumn { line, column } = s.start();
[INFO] [stdout] 483 +                 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-macro2-1.0.9/src/wrapper.rs:500:33
[INFO] [stdout]     |
[INFO] [stdout] 500 |                 let proc_macro::LineColumn { line, column } = s.end();
[INFO] [stdout]     |                                 ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 1   + use crate::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] 1   + use crate::fallback::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `LineColumn`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 500 -                 let proc_macro::LineColumn { line, column } = s.end();
[INFO] [stdout] 500 +                 let LineColumn { line, column } = s.end();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "e4de0c471f0839c2f3bfec74097b73eb059cc5ef543c48df21ae5861c3e44b06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4de0c471f0839c2f3bfec74097b73eb059cc5ef543c48df21ae5861c3e44b06", kill_on_drop: false }`
[INFO] [stdout] e4de0c471f0839c2f3bfec74097b73eb059cc5ef543c48df21ae5861c3e44b06
[INFO] checking cargo-ngrok-0.1.2 against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] extracting crate cargo-ngrok 0.1.2 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate cargo-ngrok 0.1.2 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 cargo-ngrok 0.1.2
[INFO] finished tweaking crates.io crate cargo-ngrok 0.1.2
[INFO] tweaked toml for crates.io crate cargo-ngrok 0.1.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate cargo-ngrok 0.1.2 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" "+09bc67b9158392361780e779d32997f14cc75c39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 75a0a5a5eee7cf7cf7465f4426bf9c0a198654078a5a69070deece327d846e02
[INFO] running `Command { std: "docker" "start" "-a" "75a0a5a5eee7cf7cf7465f4426bf9c0a198654078a5a69070deece327d846e02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75a0a5a5eee7cf7cf7465f4426bf9c0a198654078a5a69070deece327d846e02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75a0a5a5eee7cf7cf7465f4426bf9c0a198654078a5a69070deece327d846e02", kill_on_drop: false }`
[INFO] [stdout] 75a0a5a5eee7cf7cf7465f4426bf9c0a198654078a5a69070deece327d846e02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 17b74e4603f0d7e269c2317f8849711b8e5ac0b421a3121c79831114b597042f
[INFO] running `Command { std: "docker" "start" "-a" "17b74e4603f0d7e269c2317f8849711b8e5ac0b421a3121c79831114b597042f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking arc-swap v0.4.4
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.28
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking futures-sink v0.3.4
[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-macro2-1.0.9/src/wrapper.rs:483:33
[INFO] [stdout]     |
[INFO] [stdout] 483 |                 let proc_macro::LineColumn { line, column } = s.start();
[INFO] [stdout]     |                                 ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 1   + use crate::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] 1   + use crate::fallback::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `LineColumn`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 483 -                 let proc_macro::LineColumn { line, column } = s.start();
[INFO] [stdout] 483 +                 let LineColumn { line, column } = s.start();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking futures-task v0.3.4
[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-macro2-1.0.9/src/wrapper.rs:500:33
[INFO] [stdout]     |
[INFO] [stdout] 500 |                 let proc_macro::LineColumn { line, column } = s.end();
[INFO] [stdout]     |                                 ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 1   + use crate::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] 1   + use crate::fallback::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `LineColumn`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 500 -                 let proc_macro::LineColumn { line, column } = s.end();
[INFO] [stdout] 500 +                 let LineColumn { line, column } = s.end();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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-macro2-1.0.9/src/wrapper.rs:483:33
[INFO] [stdout]     |
[INFO] [stdout] 483 |                 let proc_macro::LineColumn { line, column } = s.start();
[INFO] [stdout]     |                                 ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 1   + use crate::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] 1   + use crate::fallback::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `LineColumn`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 483 -                 let proc_macro::LineColumn { line, column } = s.start();
[INFO] [stdout] 483 +                 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-macro2-1.0.9/src/wrapper.rs:500:33
[INFO] [stdout]     |
[INFO] [stdout] 500 |                 let proc_macro::LineColumn { line, column } = s.end();
[INFO] [stdout]     |                                 ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 1   + use crate::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] 1   + use crate::fallback::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `LineColumn`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 500 -                 let proc_macro::LineColumn { line, column } = s.end();
[INFO] [stdout] 500 +                 let LineColumn { line, column } = s.end();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "17b74e4603f0d7e269c2317f8849711b8e5ac0b421a3121c79831114b597042f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17b74e4603f0d7e269c2317f8849711b8e5ac0b421a3121c79831114b597042f", kill_on_drop: false }`
[INFO] [stdout] 17b74e4603f0d7e269c2317f8849711b8e5ac0b421a3121c79831114b597042f
