[INFO] fetching crate shele 0.4.0...
[INFO] building shele-0.4.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate shele 0.4.0 into /workspace/builds/worker-2-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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate shele 0.4.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6f92fc5cf157b0d2b303ec0a0f5dcd5d11ec0d39617a0ed3b943a46cb3d8a30
[INFO] running `Command { std: "docker" "start" "-a" "d6f92fc5cf157b0d2b303ec0a0f5dcd5d11ec0d39617a0ed3b943a46cb3d8a30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6f92fc5cf157b0d2b303ec0a0f5dcd5d11ec0d39617a0ed3b943a46cb3d8a30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6f92fc5cf157b0d2b303ec0a0f5dcd5d11ec0d39617a0ed3b943a46cb3d8a30", kill_on_drop: false }`
[INFO] [stdout] d6f92fc5cf157b0d2b303ec0a0f5dcd5d11ec0d39617a0ed3b943a46cb3d8a30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77a2e60a5a97a00b44084de5e5275ca5d60b160a63c2a0ded2571107bddaea62
[INFO] running `Command { std: "docker" "start" "-a" "77a2e60a5a97a00b44084de5e5275ca5d60b160a63c2a0ded2571107bddaea62", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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 0.52s
[INFO] running `Command { std: "docker" "inspect" "77a2e60a5a97a00b44084de5e5275ca5d60b160a63c2a0ded2571107bddaea62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77a2e60a5a97a00b44084de5e5275ca5d60b160a63c2a0ded2571107bddaea62", kill_on_drop: false }`
[INFO] [stdout] 77a2e60a5a97a00b44084de5e5275ca5d60b160a63c2a0ded2571107bddaea62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67cdf58766558f76096572e004ebae4775eca7b9936f65f5c30e8a0c55d4958c
[INFO] running `Command { std: "docker" "start" "-a" "67cdf58766558f76096572e004ebae4775eca7b9936f65f5c30e8a0c55d4958c", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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 `test` profile [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "67cdf58766558f76096572e004ebae4775eca7b9936f65f5c30e8a0c55d4958c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67cdf58766558f76096572e004ebae4775eca7b9936f65f5c30e8a0c55d4958c", kill_on_drop: false }`
[INFO] [stdout] 67cdf58766558f76096572e004ebae4775eca7b9936f65f5c30e8a0c55d4958c
