[INFO] fetching crate mdbook-utils 0.1.3...
[INFO] building mdbook-utils-0.1.3 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate mdbook-utils 0.1.3 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate mdbook-utils 0.1.3
[INFO] finished tweaking crates.io crate mdbook-utils 0.1.3
[INFO] tweaked toml for crates.io crate mdbook-utils 0.1.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mdbook-utils 0.1.3 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mdbook-utils 0.1.3 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eba3cb6ff4e52ea11ae9f98296f01af6b5a22b4d437eb4f75d0d46913ca22774
[INFO] running `Command { std: "docker" "start" "-a" "eba3cb6ff4e52ea11ae9f98296f01af6b5a22b4d437eb4f75d0d46913ca22774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eba3cb6ff4e52ea11ae9f98296f01af6b5a22b4d437eb4f75d0d46913ca22774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eba3cb6ff4e52ea11ae9f98296f01af6b5a22b4d437eb4f75d0d46913ca22774", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d93cc5ef354fa1a98992f52364e988932e3a5d98cfc50cd45b3f1b56c00894f
[INFO] running `Command { std: "docker" "start" "-a" "6d93cc5ef354fa1a98992f52364e988932e3a5d98cfc50cd45b3f1b56c00894f", kill_on_drop: false }`
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[INFO] [stderr]    Compiling cargo_toml v0.19.1
[INFO] [stderr]    Compiling mdbook-utils v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/parser/mod.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |     markdown_input: &'input str,
[INFO] [stdout]    |                      ------ the lifetime is named here
[INFO] [stdout] 91 | ) -> Parser<'_, Handler<'_>> {
[INFO] [stdout]    |             ^^          ^^ the same lifetime is elided here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             the same lifetime is elided 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: consistently use `'input`
[INFO] [stdout]    |
[INFO] [stdout] 91 - ) -> Parser<'_, Handler<'_>> {
[INFO] [stdout] 91 + ) -> Parser<'input, Handler<'input>> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] running `Command { std: "docker" "inspect" "6d93cc5ef354fa1a98992f52364e988932e3a5d98cfc50cd45b3f1b56c00894f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d93cc5ef354fa1a98992f52364e988932e3a5d98cfc50cd45b3f1b56c00894f", kill_on_drop: false }`
[INFO] [stdout] 6d93cc5ef354fa1a98992f52364e988932e3a5d98cfc50cd45b3f1b56c00894f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20d53ca7a37ac733c7b913f08ced24d00bf9215af452029b9026bbbab7e97f65
[INFO] running `Command { std: "docker" "start" "-a" "20d53ca7a37ac733c7b913f08ced24d00bf9215af452029b9026bbbab7e97f65", kill_on_drop: false }`
[INFO] [stderr]    Compiling mdbook-utils v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/parser/mod.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |     markdown_input: &'input str,
[INFO] [stdout]    |                      ------ the lifetime is named here
[INFO] [stdout] 91 | ) -> Parser<'_, Handler<'_>> {
[INFO] [stdout]    |             ^^          ^^ the same lifetime is elided here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             the same lifetime is elided 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: consistently use `'input`
[INFO] [stdout]    |
[INFO] [stdout] 91 - ) -> Parser<'_, Handler<'_>> {
[INFO] [stdout] 91 + ) -> Parser<'input, Handler<'input>> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/parser/mod.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |     markdown_input: &'input str,
[INFO] [stdout]    |                      ------ the lifetime is named here
[INFO] [stdout] 91 | ) -> Parser<'_, Handler<'_>> {
[INFO] [stdout]    |             ^^          ^^ the same lifetime is elided here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             the same lifetime is elided 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: consistently use `'input`
[INFO] [stdout]    |
[INFO] [stdout] 91 - ) -> Parser<'_, Handler<'_>> {
[INFO] [stdout] 91 + ) -> Parser<'input, Handler<'input>> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.07s
[INFO] running `Command { std: "docker" "inspect" "20d53ca7a37ac733c7b913f08ced24d00bf9215af452029b9026bbbab7e97f65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20d53ca7a37ac733c7b913f08ced24d00bf9215af452029b9026bbbab7e97f65", kill_on_drop: false }`
[INFO] [stdout] 20d53ca7a37ac733c7b913f08ced24d00bf9215af452029b9026bbbab7e97f65