[INFO] fetching crate mkv_chain 0.3.1...
[INFO] checking mkv_chain-0.3.1 against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] extracting crate mkv_chain 0.3.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate mkv_chain 0.3.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mkv_chain 0.3.1
[INFO] tweaked toml for crates.io crate mkv_chain 0.3.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mkv_chain 0.3.1 on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mkv_chain 0.3.1 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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c10254dda6cf1809fcc198703abe59f62b18716dfec37ed779ed0cfda72ef7c
[INFO] running `Command { std: "docker" "start" "-a" "5c10254dda6cf1809fcc198703abe59f62b18716dfec37ed779ed0cfda72ef7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c10254dda6cf1809fcc198703abe59f62b18716dfec37ed779ed0cfda72ef7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c10254dda6cf1809fcc198703abe59f62b18716dfec37ed779ed0cfda72ef7c", kill_on_drop: false }`
[INFO] [stdout] 5c10254dda6cf1809fcc198703abe59f62b18716dfec37ed779ed0cfda72ef7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c2921d35cdf23794d844c083a1b8879f82a6e4a7f3b2e2b81f48caeb4e5ac02
[INFO] running `Command { std: "docker" "start" "-a" "4c2921d35cdf23794d844c083a1b8879f82a6e4a7f3b2e2b81f48caeb4e5ac02", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling pulldown-cmark v0.4.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking semver-parser v0.9.0
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking mkv_chain v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `macros::*`
[INFO] [stdout]   --> src/lib.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub use macros::*;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]    Compiling unicase v2.5.1
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/macros.rs:53:25
[INFO] [stdout]    |
[INFO] [stdout] 53 |               pub fn iter(&self) -> std::slice::Iter<f64> {
[INFO] [stdout]    |                           ^^^^^     --------------------- the same lifetime is hidden here
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | /     vector!(
[INFO] [stdout] 45 | |         ///! Stack stored vector with 2 elements
[INFO] [stdout] 46 | |         Vec2,
[INFO] [stdout] 47 | |         2
[INFO] [stdout] 48 | |     );
[INFO] [stdout]    | |_____- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `vector` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 53 |             pub fn iter(&self) -> std::slice::Iter<'_, f64> {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/macros.rs:53:25
[INFO] [stdout]    |
[INFO] [stdout] 53 |               pub fn iter(&self) -> std::slice::Iter<f64> {
[INFO] [stdout]    |                           ^^^^^     --------------------- the same lifetime is hidden here
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     vector!(
[INFO] [stdout] 50 | |         ///! Stack stored vector with 3 elements
[INFO] [stdout] 51 | |         Vec3,
[INFO] [stdout] 52 | |         3
[INFO] [stdout] 53 | |     );
[INFO] [stdout]    | |_____- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: this warning originates in the macro `vector` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 53 |             pub fn iter(&self) -> std::slice::Iter<'_, f64> {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/macros.rs:53:25
[INFO] [stdout]    |
[INFO] [stdout] 53 |               pub fn iter(&self) -> std::slice::Iter<f64> {
[INFO] [stdout]    |                           ^^^^^     --------------------- the same lifetime is hidden here
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | /     vector!(
[INFO] [stdout] 55 | |         ///! Stack stored vector with 4 elements
[INFO] [stdout] 56 | |         Vec4,
[INFO] [stdout] 57 | |         4
[INFO] [stdout] 58 | |     );
[INFO] [stdout]    | |_____- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: this warning originates in the macro `vector` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 53 |             pub fn iter(&self) -> std::slice::Iter<'_, f64> {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/macros.rs:53:25
[INFO] [stdout]    |
[INFO] [stdout] 53 |               pub fn iter(&self) -> std::slice::Iter<f64> {
[INFO] [stdout]    |                           ^^^^^     --------------------- the same lifetime is hidden here
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 | /     vector!(
[INFO] [stdout] 60 | |         ///! Stack stored vector with 5 elements
[INFO] [stdout] 61 | |         Vec5,
[INFO] [stdout] 62 | |         5
[INFO] [stdout] 63 | |     );
[INFO] [stdout]    | |_____- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: this warning originates in the macro `vector` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 53 |             pub fn iter(&self) -> std::slice::Iter<'_, f64> {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/macros.rs:53:25
[INFO] [stdout]    |
[INFO] [stdout] 53 |               pub fn iter(&self) -> std::slice::Iter<f64> {
[INFO] [stdout]    |                           ^^^^^     --------------------- the same lifetime is hidden here
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 | /     vector!(
[INFO] [stdout] 65 | |         ///! Stack stored vector with 6 elements
[INFO] [stdout] 66 | |         Vec6,
[INFO] [stdout] 67 | |         6
[INFO] [stdout] 68 | |     );
[INFO] [stdout]    | |_____- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: this warning originates in the macro `vector` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 53 |             pub fn iter(&self) -> std::slice::Iter<'_, f64> {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/macros.rs:162:25
[INFO] [stdout]     |
[INFO] [stdout] 162 |               pub fn iter(&self) -> std::slice::Iter<$inner> {
[INFO] [stdout]     |                           ^^^^^     ------------------------ the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:70:5
[INFO] [stdout]     |
[INFO] [stdout] 70  | /     matrix!(
[INFO] [stdout] 71  | |         /// 2 by 2 stack stored square matrix composed of two `Vec2`
[INFO] [stdout] 72  | |         Matrix2[2, 2],
[INFO] [stdout] 73  | |         Vec2
[INFO] [stdout] 74  | |     );
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: this warning originates in the macro `matrix` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 162 |             pub fn iter(&self) -> std::slice::Iter<'_, $inner> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/macros.rs:162:25
[INFO] [stdout]     |
[INFO] [stdout] 162 |               pub fn iter(&self) -> std::slice::Iter<$inner> {
[INFO] [stdout]     |                           ^^^^^     ------------------------ the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:75:5
[INFO] [stdout]     |
[INFO] [stdout] 75  | /     matrix!(
[INFO] [stdout] 76  | |         /// 3 by 3 stack stored square matrix composed of three `Vec3`
[INFO] [stdout] 77  | |         Matrix3[3, 3],
[INFO] [stdout] 78  | |         Vec3
[INFO] [stdout] 79  | |     );
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: this warning originates in the macro `matrix` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 162 |             pub fn iter(&self) -> std::slice::Iter<'_, $inner> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/macros.rs:162:25
[INFO] [stdout]     |
[INFO] [stdout] 162 |               pub fn iter(&self) -> std::slice::Iter<$inner> {
[INFO] [stdout]     |                           ^^^^^     ------------------------ the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:80:5
[INFO] [stdout]     |
[INFO] [stdout] 80  | /     matrix!(
[INFO] [stdout] 81  | |         /// 4 by 4 stack stored square matrix composed of four `Vec4`
[INFO] [stdout] 82  | |         Matrix4[4, 4],
[INFO] [stdout] 83  | |         Vec4
[INFO] [stdout] 84  | |     );
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: this warning originates in the macro `matrix` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 162 |             pub fn iter(&self) -> std::slice::Iter<'_, $inner> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/macros.rs:162:25
[INFO] [stdout]     |
[INFO] [stdout] 162 |               pub fn iter(&self) -> std::slice::Iter<$inner> {
[INFO] [stdout]     |                           ^^^^^     ------------------------ the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:85:5
[INFO] [stdout]     |
[INFO] [stdout] 85  | /     matrix!(
[INFO] [stdout] 86  | |         /// 5 by 5 stack stored square matrix composed of five `Vec5`
[INFO] [stdout] 87  | |         Matrix5[5, 5],
[INFO] [stdout] 88  | |         Vec5
[INFO] [stdout] 89  | |     );
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: this warning originates in the macro `matrix` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 162 |             pub fn iter(&self) -> std::slice::Iter<'_, $inner> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/macros.rs:162:25
[INFO] [stdout]     |
[INFO] [stdout] 162 |               pub fn iter(&self) -> std::slice::Iter<$inner> {
[INFO] [stdout]     |                           ^^^^^     ------------------------ the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:90:5
[INFO] [stdout]     |
[INFO] [stdout] 90  | /     matrix!(
[INFO] [stdout] 91  | |         /// 6 by 6 stack stored square matrix composed of six `Vec6`
[INFO] [stdout] 92  | |         Matrix6[6, 6],
[INFO] [stdout] 93  | |         Vec6
[INFO] [stdout] 94  | |     );
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: this warning originates in the macro `matrix` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 162 |             pub fn iter(&self) -> std::slice::Iter<'_, $inner> {
[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-1949cf8c6b5b557f/proc-macro2-0.4.30/src/wrapper.rs:484:33
[INFO] [stdout]     |
[INFO] [stdout] 484 |                 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 structs
[INFO] [stdout]     |
[INFO] [stdout] 1   + use LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] 1   + use fallback::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `LineColumn`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 484 -                 let proc_macro::LineColumn { line, column } = s.start();
[INFO] [stdout] 484 +                 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-1949cf8c6b5b557f/proc-macro2-0.4.30/src/wrapper.rs:501:33
[INFO] [stdout]     |
[INFO] [stdout] 501 |                 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 structs
[INFO] [stdout]     |
[INFO] [stdout] 1   + use LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] 1   + use fallback::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `LineColumn`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 501 -                 let proc_macro::LineColumn { line, column } = s.end();
[INFO] [stdout] 501 +                 let LineColumn { line, column } = s.end();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking aho-corasick v0.7.6
[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 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4c2921d35cdf23794d844c083a1b8879f82a6e4a7f3b2e2b81f48caeb4e5ac02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c2921d35cdf23794d844c083a1b8879f82a6e4a7f3b2e2b81f48caeb4e5ac02", kill_on_drop: false }`
[INFO] [stdout] 4c2921d35cdf23794d844c083a1b8879f82a6e4a7f3b2e2b81f48caeb4e5ac02
