[INFO] fetching crate reader_for_microxml 2.0.1...
[INFO] checking reader_for_microxml-2.0.1 against master#64b185eddaa1d7ddf5e0c024be23b9cbba6c1722 for pr-143929
[INFO] extracting crate reader_for_microxml 2.0.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate reader_for_microxml 2.0.1
[INFO] finished tweaking crates.io crate reader_for_microxml 2.0.1
[INFO] tweaked toml for crates.io crate reader_for_microxml 2.0.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate reader_for_microxml 2.0.1 on toolchain 64b185eddaa1d7ddf5e0c024be23b9cbba6c1722
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate reader_for_microxml 2.0.1 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" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "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-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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ace3e08154e439a43feb26fdb791a59e752dc6ec08dcc77a2b6716787a378a37
[INFO] running `Command { std: "docker" "start" "-a" "ace3e08154e439a43feb26fdb791a59e752dc6ec08dcc77a2b6716787a378a37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ace3e08154e439a43feb26fdb791a59e752dc6ec08dcc77a2b6716787a378a37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ace3e08154e439a43feb26fdb791a59e752dc6ec08dcc77a2b6716787a378a37", kill_on_drop: false }`
[INFO] [stdout] ace3e08154e439a43feb26fdb791a59e752dc6ec08dcc77a2b6716787a378a37
[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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b255f3e4274647eaaefbfd106824e662d8bc8bb7772f42a85232f13da855072
[INFO] running `Command { std: "docker" "start" "-a" "8b255f3e4274647eaaefbfd106824e662d8bc8bb7772f42a85232f13da855072", kill_on_drop: false }`
[INFO] [stderr]     Checking reader_for_microxml v2.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:211:23
[INFO] [stdout]     |
[INFO] [stdout] 211 |     pub fn new(input: &str) -> ReaderForMicroXml {
[INFO] [stdout]     |                       ^^^^     ----------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 211 |     pub fn new(input: &str) -> ReaderForMicroXml<'_> {
[INFO] [stdout]     |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:211:23
[INFO] [stdout]     |
[INFO] [stdout] 211 |     pub fn new(input: &str) -> ReaderForMicroXml {
[INFO] [stdout]     |                       ^^^^     ----------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 211 |     pub fn new(input: &str) -> ReaderForMicroXml<'_> {
[INFO] [stdout]     |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "8b255f3e4274647eaaefbfd106824e662d8bc8bb7772f42a85232f13da855072", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b255f3e4274647eaaefbfd106824e662d8bc8bb7772f42a85232f13da855072", kill_on_drop: false }`
[INFO] [stdout] 8b255f3e4274647eaaefbfd106824e662d8bc8bb7772f42a85232f13da855072