[INFO] fetching crate mkv_chain 0.3.1...
[INFO] testing mkv_chain-0.3.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate mkv_chain 0.3.1 into /workspace/builds/worker-3-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-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mkv_chain 0.3.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3bc80df4002002fbfb6ee40a254727e03f500625541c669257e0c0a2a6e8c3a2
[INFO] running `Command { std: "docker" "start" "-a" "3bc80df4002002fbfb6ee40a254727e03f500625541c669257e0c0a2a6e8c3a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bc80df4002002fbfb6ee40a254727e03f500625541c669257e0c0a2a6e8c3a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bc80df4002002fbfb6ee40a254727e03f500625541c669257e0c0a2a6e8c3a2", kill_on_drop: false }`
[INFO] [stdout] 3bc80df4002002fbfb6ee40a254727e03f500625541c669257e0c0a2a6e8c3a2
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76efc1a044d23e55ca6718db28a2112a836539f6ad00550538e6ab05d05e962b
[INFO] running `Command { std: "docker" "start" "-a" "76efc1a044d23e55ca6718db28a2112a836539f6ad00550538e6ab05d05e962b", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) on by default
[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: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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "76efc1a044d23e55ca6718db28a2112a836539f6ad00550538e6ab05d05e962b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76efc1a044d23e55ca6718db28a2112a836539f6ad00550538e6ab05d05e962b", kill_on_drop: false }`
[INFO] [stdout] 76efc1a044d23e55ca6718db28a2112a836539f6ad00550538e6ab05d05e962b
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c64ca25894c3a9d2317d4e3565f54c1d1cad1306241be5853af36bd9731968e
[INFO] running `Command { std: "docker" "start" "-a" "4c64ca25894c3a9d2317d4e3565f54c1d1cad1306241be5853af36bd9731968e", 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]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling pulldown-cmark v0.4.1
[INFO] [stderr]    Compiling unicase v2.5.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[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]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling either v1.5.3
[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" "4c64ca25894c3a9d2317d4e3565f54c1d1cad1306241be5853af36bd9731968e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c64ca25894c3a9d2317d4e3565f54c1d1cad1306241be5853af36bd9731968e", kill_on_drop: false }`
[INFO] [stdout] 4c64ca25894c3a9d2317d4e3565f54c1d1cad1306241be5853af36bd9731968e
