[INFO] cloning repository https://github.com/gpluscb/bae
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gpluscb/bae" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgpluscb%2Fbae", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgpluscb%2Fbae'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 427b18987a960571eb923479e724cdf772a41419
[INFO] checking gpluscb/bae against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgpluscb%2Fbae" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/gpluscb/bae
[INFO] finished tweaking git repo https://github.com/gpluscb/bae
[INFO] tweaked toml for git repo https://github.com/gpluscb/bae written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gpluscb/bae on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/gpluscb/bae 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26d5e51ba7d7a1aef73c45f939602dd0c6d1b1acf7ad0071e8237818275b36b5
[INFO] running `Command { std: "docker" "start" "-a" "26d5e51ba7d7a1aef73c45f939602dd0c6d1b1acf7ad0071e8237818275b36b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26d5e51ba7d7a1aef73c45f939602dd0c6d1b1acf7ad0071e8237818275b36b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26d5e51ba7d7a1aef73c45f939602dd0c6d1b1acf7ad0071e8237818275b36b5", kill_on_drop: false }`
[INFO] [stdout] 26d5e51ba7d7a1aef73c45f939602dd0c6d1b1acf7ad0071e8237818275b36b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19ebfe030f8697fc08851f93e7796ef7a0038985f2b547763f92793dad6bb92f
[INFO] running `Command { std: "docker" "start" "-a" "19ebfe030f8697fc08851f93e7796ef7a0038985f2b547763f92793dad6bb92f", kill_on_drop: false }`
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[INFO] [stderr]     Checking bae-common v0.1.0 (/opt/rustwide/workdir/bae-common)
[INFO] [stdout] warning: unused import: `tracing::error`
[INFO] [stdout]  --> bae-common/src/markdown_render.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tracing::error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing::error`
[INFO] [stdout]  --> bae-common/src/markdown_render.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tracing::error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> bae-common/src/highlighting.rs:219:10
[INFO] [stdout]     |
[INFO] [stdout] 219 |         .intersperse(Cow::Borrowed(" "))
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse`
[INFO] [stdout]    --> bae-common/src/lib.rs:1:1
[INFO] [stdout]     |
[INFO] [stdout]   1 + #![feature(iter_intersperse)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> bae-common/src/highlighting.rs:219:10
[INFO] [stdout]     |
[INFO] [stdout] 219 |         .intersperse(Cow::Borrowed(" "))
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse`
[INFO] [stdout]    --> bae-common/src/lib.rs:1:1
[INFO] [stdout]     |
[INFO] [stdout]   1 + #![feature(iter_intersperse)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `FunctionCssClassNameGenerator` is never constructed
[INFO] [stdout]   --> bae-common/src/markdown_render.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct FunctionCssClassNameGenerator<F> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> bae-common/src/markdown_render.rs:37:28
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn class_for_highlight(&self, highlight_name: &str, highlight_idx: usize) -> Option<Cow<str>>;
[INFO] [stdout]    |                            ^^^^^ the lifetime is elided here                            ^^^^^^^^ the same lifetime is hidden here
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn class_for_highlight(&self, highlight_name: &str, highlight_idx: usize) -> Option<Cow<'_, str>>;
[INFO] [stdout]    |                                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> bae-common/src/markdown_render.rs:38:24
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn class_for_image(&self) -> Option<Cow<str>>;
[INFO] [stdout]    |                        ^^^^^            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn class_for_image(&self) -> Option<Cow<'_, str>>;
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> bae-common/src/markdown_render.rs:50:28
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn class_for_highlight(&self, highlight_name: &str, highlight_idx: usize) -> Option<Cow<str>> {
[INFO] [stdout]    |                            ^^^^^ the lifetime is elided here                            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn class_for_highlight(&self, highlight_name: &str, highlight_idx: usize) -> Option<Cow<'_, str>> {
[INFO] [stdout]    |                                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> bae-common/src/markdown_render.rs:57:24
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn class_for_image(&self) -> Option<Cow<str>> {
[INFO] [stdout]    |                        ^^^^^            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn class_for_image(&self) -> Option<Cow<'_, str>> {
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> bae-common/src/markdown_render.rs:69:28
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn class_for_highlight(&self, highlight_name: &str, _highlight_idx: usize) -> Option<Cow<str>> {
[INFO] [stdout]    |                            ^^^^^ the lifetime is elided here                             ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn class_for_highlight(&self, highlight_name: &str, _highlight_idx: usize) -> Option<Cow<'_, str>> {
[INFO] [stdout]    |                                                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> bae-common/src/markdown_render.rs:78:24
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn class_for_image(&self) -> Option<Cow<str>> {
[INFO] [stdout]    |                        ^^^^^            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn class_for_image(&self) -> Option<Cow<'_, str>> {
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bae-common` (lib) due to 1 previous error; 8 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `FunctionCssClassNameGenerator` is never constructed
[INFO] [stdout]   --> bae-common/src/markdown_render.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct FunctionCssClassNameGenerator<F> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> bae-common/src/markdown_render.rs:37:28
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn class_for_highlight(&self, highlight_name: &str, highlight_idx: usize) -> Option<Cow<str>>;
[INFO] [stdout]    |                            ^^^^^ the lifetime is elided here                            ^^^^^^^^ the same lifetime is hidden here
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn class_for_highlight(&self, highlight_name: &str, highlight_idx: usize) -> Option<Cow<'_, str>>;
[INFO] [stdout]    |                                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> bae-common/src/markdown_render.rs:38:24
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn class_for_image(&self) -> Option<Cow<str>>;
[INFO] [stdout]    |                        ^^^^^            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn class_for_image(&self) -> Option<Cow<'_, str>>;
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> bae-common/src/markdown_render.rs:50:28
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn class_for_highlight(&self, highlight_name: &str, highlight_idx: usize) -> Option<Cow<str>> {
[INFO] [stdout]    |                            ^^^^^ the lifetime is elided here                            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn class_for_highlight(&self, highlight_name: &str, highlight_idx: usize) -> Option<Cow<'_, str>> {
[INFO] [stdout]    |                                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> bae-common/src/markdown_render.rs:57:24
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn class_for_image(&self) -> Option<Cow<str>> {
[INFO] [stdout]    |                        ^^^^^            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn class_for_image(&self) -> Option<Cow<'_, str>> {
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> bae-common/src/markdown_render.rs:69:28
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn class_for_highlight(&self, highlight_name: &str, _highlight_idx: usize) -> Option<Cow<str>> {
[INFO] [stdout]    |                            ^^^^^ the lifetime is elided here                             ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn class_for_highlight(&self, highlight_name: &str, _highlight_idx: usize) -> Option<Cow<'_, str>> {
[INFO] [stdout]    |                                                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> bae-common/src/markdown_render.rs:78:24
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn class_for_image(&self) -> Option<Cow<str>> {
[INFO] [stdout]    |                        ^^^^^            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn class_for_image(&self) -> Option<Cow<'_, str>> {
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bae-common` (lib test) due to 1 previous error; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "19ebfe030f8697fc08851f93e7796ef7a0038985f2b547763f92793dad6bb92f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19ebfe030f8697fc08851f93e7796ef7a0038985f2b547763f92793dad6bb92f", kill_on_drop: false }`
[INFO] [stdout] 19ebfe030f8697fc08851f93e7796ef7a0038985f2b547763f92793dad6bb92f
