[INFO] fetching crate shele 0.4.0...
[INFO] checking shele-0.4.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate shele 0.4.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate shele 0.4.0
[INFO] finished tweaking crates.io crate shele 0.4.0
[INFO] tweaked toml for crates.io crate shele 0.4.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate shele 0.4.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate shele 0.4.0 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8fdefe93cc9c85895ed462117514bfd2e7bf38416672629254772275c483a56a
[INFO] running `Command { std: "docker" "start" "-a" "8fdefe93cc9c85895ed462117514bfd2e7bf38416672629254772275c483a56a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fdefe93cc9c85895ed462117514bfd2e7bf38416672629254772275c483a56a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fdefe93cc9c85895ed462117514bfd2e7bf38416672629254772275c483a56a", kill_on_drop: false }`
[INFO] [stdout] 8fdefe93cc9c85895ed462117514bfd2e7bf38416672629254772275c483a56a
[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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a50c4ba4c817dde4af28722b07db40da2de11984aa530af6e62ec2f399db09c
[INFO] running `Command { std: "docker" "start" "-a" "1a50c4ba4c817dde4af28722b07db40da2de11984aa530af6e62ec2f399db09c", kill_on_drop: false }`
[INFO] [stderr]     Checking shele v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/element/mod.rs:65:25
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn get_children(&self) -> &Children {
[INFO] [stdout]    |                         ^^^^^     ---------
[INFO] [stdout]    |                         |         ||
[INFO] [stdout]    |                         |         |the same lifetime is hidden here
[INFO] [stdout]    |                         |         the same lifetime is elided here
[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] 65 |     pub fn get_children(&self) -> &Children<'_> {
[INFO] [stdout]    |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/element/mod.rs:70:22
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn get_attrs(&self) -> &Attributes {
[INFO] [stdout]    |                      ^^^^^     -----------
[INFO] [stdout]    |                      |         ||
[INFO] [stdout]    |                      |         |the same lifetime is hidden here
[INFO] [stdout]    |                      |         the same lifetime is elided here
[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] 70 |     pub fn get_attrs(&self) -> &Attributes<'_> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> src/element/mod.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 173 |         state.finish();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 173 |         let _ = state.finish();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/element/mod.rs:65:25
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn get_children(&self) -> &Children {
[INFO] [stdout]    |                         ^^^^^     ---------
[INFO] [stdout]    |                         |         ||
[INFO] [stdout]    |                         |         |the same lifetime is hidden here
[INFO] [stdout]    |                         |         the same lifetime is elided here
[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] 65 |     pub fn get_children(&self) -> &Children<'_> {
[INFO] [stdout]    |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/element/mod.rs:70:22
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn get_attrs(&self) -> &Attributes {
[INFO] [stdout]    |                      ^^^^^     -----------
[INFO] [stdout]    |                      |         ||
[INFO] [stdout]    |                      |         |the same lifetime is hidden here
[INFO] [stdout]    |                      |         the same lifetime is elided here
[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] 70 |     pub fn get_attrs(&self) -> &Attributes<'_> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> src/element/mod.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 173 |         state.finish();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 173 |         let _ = state.finish();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "1a50c4ba4c817dde4af28722b07db40da2de11984aa530af6e62ec2f399db09c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a50c4ba4c817dde4af28722b07db40da2de11984aa530af6e62ec2f399db09c", kill_on_drop: false }`
[INFO] [stdout] 1a50c4ba4c817dde4af28722b07db40da2de11984aa530af6e62ec2f399db09c