[INFO] fetching crate saturn 0.0.1...
[INFO] checking saturn-0.0.1 against master#9748d87dc70a9a6725c5dbd76ce29d04752b4f90 for pr-144156
[INFO] extracting crate saturn 0.0.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate saturn 0.0.1
[INFO] finished tweaking crates.io crate saturn 0.0.1
[INFO] tweaked toml for crates.io crate saturn 0.0.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate saturn 0.0.1 on toolchain 9748d87dc70a9a6725c5dbd76ce29d04752b4f90
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9748d87dc70a9a6725c5dbd76ce29d04752b4f90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate saturn 0.0.1 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" "+9748d87dc70a9a6725c5dbd76ce29d04752b4f90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+9748d87dc70a9a6725c5dbd76ce29d04752b4f90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8df538fba5819211a73b76cac55227a9b2b3ef61fe792e31f2e8c8a03e507608
[INFO] running `Command { std: "docker" "start" "-a" "8df538fba5819211a73b76cac55227a9b2b3ef61fe792e31f2e8c8a03e507608", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8df538fba5819211a73b76cac55227a9b2b3ef61fe792e31f2e8c8a03e507608", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8df538fba5819211a73b76cac55227a9b2b3ef61fe792e31f2e8c8a03e507608", kill_on_drop: false }`
[INFO] [stdout] 8df538fba5819211a73b76cac55227a9b2b3ef61fe792e31f2e8c8a03e507608
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+9748d87dc70a9a6725c5dbd76ce29d04752b4f90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 286fae2e866d61cc3a1da7033598bcca80fd7763366a35f35a9be916d480d481
[INFO] running `Command { std: "docker" "start" "-a" "286fae2e866d61cc3a1da7033598bcca80fd7763366a35f35a9be916d480d481", kill_on_drop: false }`
[INFO] [stderr]     Checking saturn v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/wal.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn iter(&mut self) -> WALIterator {
[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] 44 |     pub fn iter(&mut self) -> WALIterator<'_> {
[INFO] [stdout]    |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/wal.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn iter(&mut self) -> WALIterator {
[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] 44 |     pub fn iter(&mut self) -> WALIterator<'_> {
[INFO] [stdout]    |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "286fae2e866d61cc3a1da7033598bcca80fd7763366a35f35a9be916d480d481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "286fae2e866d61cc3a1da7033598bcca80fd7763366a35f35a9be916d480d481", kill_on_drop: false }`
[INFO] [stdout] 286fae2e866d61cc3a1da7033598bcca80fd7763366a35f35a9be916d480d481