[INFO] fetching crate dtb-walker 0.2.0-alpha.3...
[INFO] checking dtb-walker-0.2.0-alpha.3 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate dtb-walker 0.2.0-alpha.3 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate dtb-walker 0.2.0-alpha.3
[INFO] finished tweaking crates.io crate dtb-walker 0.2.0-alpha.3
[INFO] tweaked toml for crates.io crate dtb-walker 0.2.0-alpha.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dtb-walker 0.2.0-alpha.3 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dtb-walker 0.2.0-alpha.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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b692e2b84225c7bf56c4956b402de1067e9188b10881760be17fe500ee0040e
[INFO] running `Command { std: "docker" "start" "-a" "9b692e2b84225c7bf56c4956b402de1067e9188b10881760be17fe500ee0040e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b692e2b84225c7bf56c4956b402de1067e9188b10881760be17fe500ee0040e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b692e2b84225c7bf56c4956b402de1067e9188b10881760be17fe500ee0040e", kill_on_drop: false }`
[INFO] [stdout] 9b692e2b84225c7bf56c4956b402de1067e9188b10881760be17fe500ee0040e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 730a77c7f4fbca0c9738b8ad5b93e638046d9a0bcc9175294ca68c2131de05c4
[INFO] running `Command { std: "docker" "start" "-a" "730a77c7f4fbca0c9738b8ad5b93e638046d9a0bcc9175294ca68c2131de05c4", kill_on_drop: false }`
[INFO] [stderr]     Checking dtb-walker v0.2.0-alpha.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/context.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn name(&self) -> 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] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![deny(warnings, unstable_features, missing_docs)] // cancel this line during developing
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(mismatched_lifetime_syntaxes)]` implied by `#[deny(warnings)]`
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn name(&self) -> Str<'_> {
[INFO] [stdout]    |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dtb-walker` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/context.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn name(&self) -> 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] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![deny(warnings, unstable_features, missing_docs)] // cancel this line during developing
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(mismatched_lifetime_syntaxes)]` implied by `#[deny(warnings)]`
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn name(&self) -> Str<'_> {
[INFO] [stdout]    |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dtb-walker` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "730a77c7f4fbca0c9738b8ad5b93e638046d9a0bcc9175294ca68c2131de05c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "730a77c7f4fbca0c9738b8ad5b93e638046d9a0bcc9175294ca68c2131de05c4", kill_on_drop: false }`
[INFO] [stdout] 730a77c7f4fbca0c9738b8ad5b93e638046d9a0bcc9175294ca68c2131de05c4