[INFO] fetching crate fbd_sequencer 0.2.2...
[INFO] checking fbd_sequencer-0.2.2 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate fbd_sequencer 0.2.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate fbd_sequencer 0.2.2
[INFO] finished tweaking crates.io crate fbd_sequencer 0.2.2
[INFO] tweaked toml for crates.io crate fbd_sequencer 0.2.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fbd_sequencer 0.2.2 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba1a446622afe7fe4a4fc19b549f25cb3e562f0c6ed9109a106e0020ba7084d3
[INFO] running `Command { std: "docker" "start" "-a" "ba1a446622afe7fe4a4fc19b549f25cb3e562f0c6ed9109a106e0020ba7084d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba1a446622afe7fe4a4fc19b549f25cb3e562f0c6ed9109a106e0020ba7084d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba1a446622afe7fe4a4fc19b549f25cb3e562f0c6ed9109a106e0020ba7084d3", kill_on_drop: false }`
[INFO] [stdout] ba1a446622afe7fe4a4fc19b549f25cb3e562f0c6ed9109a106e0020ba7084d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d1e0fd8bd077c3d1b73ed6df8a62c211f5a434caad494f5a40a1efbe8db1f95
[INFO] running `Command { std: "docker" "start" "-a" "0d1e0fd8bd077c3d1b73ed6df8a62c211f5a434caad494f5a40a1efbe8db1f95", kill_on_drop: false }`
[INFO] [stderr]     Checking arraydeque v0.5.1
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking fbd_sequencer v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:640:23
[INFO] [stdout]     |
[INFO] [stdout] 640 |     pub fn title_iter(&self) -> TitleIterator {
[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] 640 |     pub fn title_iter(&self) -> TitleIterator<'_> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:640:23
[INFO] [stdout]     |
[INFO] [stdout] 640 |     pub fn title_iter(&self) -> TitleIterator {
[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] 640 |     pub fn title_iter(&self) -> TitleIterator<'_> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "0d1e0fd8bd077c3d1b73ed6df8a62c211f5a434caad494f5a40a1efbe8db1f95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d1e0fd8bd077c3d1b73ed6df8a62c211f5a434caad494f5a40a1efbe8db1f95", kill_on_drop: false }`
[INFO] [stdout] 0d1e0fd8bd077c3d1b73ed6df8a62c211f5a434caad494f5a40a1efbe8db1f95