[INFO] fetching crate mdbook-variables 0.3.0...
[INFO] checking mdbook-variables-0.3.0 against try#f27166d4c64dc29edc5ea3214357f191edf8b635 for pr-148329
[INFO] extracting crate mdbook-variables 0.3.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate mdbook-variables 0.3.0
[INFO] finished tweaking crates.io crate mdbook-variables 0.3.0
[INFO] tweaked toml for crates.io crate mdbook-variables 0.3.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mdbook-variables 0.3.0 on toolchain f27166d4c64dc29edc5ea3214357f191edf8b635
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f27166d4c64dc29edc5ea3214357f191edf8b635" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mdbook-variables 0.3.0 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" "+f27166d4c64dc29edc5ea3214357f191edf8b635" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+f27166d4c64dc29edc5ea3214357f191edf8b635" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8597de7a682971a933ccc9101c3b1b9e5869d55c0ca23e4a310cc0fa19b1e342
[INFO] running `Command { std: "docker" "start" "-a" "8597de7a682971a933ccc9101c3b1b9e5869d55c0ca23e4a310cc0fa19b1e342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8597de7a682971a933ccc9101c3b1b9e5869d55c0ca23e4a310cc0fa19b1e342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8597de7a682971a933ccc9101c3b1b9e5869d55c0ca23e4a310cc0fa19b1e342", kill_on_drop: false }`
[INFO] [stdout] 8597de7a682971a933ccc9101c3b1b9e5869d55c0ca23e4a310cc0fa19b1e342
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+f27166d4c64dc29edc5ea3214357f191edf8b635" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f4692cd022f22eff7fdb7fa268d970ffa2f2d6d6bf8374f18597ad307f61fc7
[INFO] running `Command { std: "docker" "start" "-a" "6f4692cd022f22eff7fdb7fa268d970ffa2f2d6d6bf8374f18597ad307f61fc7", kill_on_drop: false }`
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[INFO] [stderr]     Checking mdbook-variables v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:147:29
[INFO] [stdout]     |
[INFO] [stdout] 147 | fn find_variables(contents: &str) -> VariablesIter {
[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]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 147 | fn find_variables(contents: &str) -> VariablesIter<'_> {
[INFO] [stdout]     |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:147:29
[INFO] [stdout]     |
[INFO] [stdout] 147 | fn find_variables(contents: &str) -> VariablesIter {
[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]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 147 | fn find_variables(contents: &str) -> VariablesIter<'_> {
[INFO] [stdout]     |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.66s
[INFO] running `Command { std: "docker" "inspect" "6f4692cd022f22eff7fdb7fa268d970ffa2f2d6d6bf8374f18597ad307f61fc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f4692cd022f22eff7fdb7fa268d970ffa2f2d6d6bf8374f18597ad307f61fc7", kill_on_drop: false }`
[INFO] [stdout] 6f4692cd022f22eff7fdb7fa268d970ffa2f2d6d6bf8374f18597ad307f61fc7