[INFO] cloning repository https://github.com/redixhumayun/simpledb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/redixhumayun/simpledb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredixhumayun%2Fsimpledb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredixhumayun%2Fsimpledb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ddc6bd48c08b36b4dd213f9a8939ce3553c4e4df
[INFO] building redixhumayun/simpledb/ddc6bd48c08b36b4dd213f9a8939ce3553c4e4df against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredixhumayun%2Fsimpledb" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/redixhumayun/simpledb on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/redixhumayun/simpledb
[INFO] finished tweaking git repo https://github.com/redixhumayun/simpledb
[INFO] tweaked toml for git repo https://github.com/redixhumayun/simpledb written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/redixhumayun/simpledb 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4307b7a1cc3dbfe23f49c2789ec36ba5e65801ba2be4cfc85b6a6a56b5b3fc1f
[INFO] running `Command { std: "docker" "start" "-a" "4307b7a1cc3dbfe23f49c2789ec36ba5e65801ba2be4cfc85b6a6a56b5b3fc1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4307b7a1cc3dbfe23f49c2789ec36ba5e65801ba2be4cfc85b6a6a56b5b3fc1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4307b7a1cc3dbfe23f49c2789ec36ba5e65801ba2be4cfc85b6a6a56b5b3fc1f", kill_on_drop: false }`
[INFO] [stdout] 4307b7a1cc3dbfe23f49c2789ec36ba5e65801ba2be4cfc85b6a6a56b5b3fc1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d572454e9b21a5d7b5879d6a447f5134c67d1a0ee6bdd9c6aef447059cdecb9
[INFO] running `Command { std: "docker" "start" "-a" "0d572454e9b21a5d7b5879d6a447f5134c67d1a0ee6bdd9c6aef447059cdecb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling simpledb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]     --> src/main.rs:7001:25
[INFO] [stdout]      |
[INFO] [stdout] 7001 |     fn iter_empty_slots(&self) -> RecordPageIterator {
[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] 7001 |     fn iter_empty_slots(&self) -> RecordPageIterator<'_> {
[INFO] [stdout]      |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]     --> src/main.rs:7010:24
[INFO] [stdout]      |
[INFO] [stdout] 7010 |     fn iter_used_slots(&self) -> RecordPageIterator {
[INFO] [stdout]      |                        ^^^^^     ------------------ the lifetime gets resolved as `'_`
[INFO] [stdout]      |                        |
[INFO] [stdout]      |                        this lifetime flows to the output
[INFO] [stdout]      |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]      |
[INFO] [stdout] 7010 |     fn iter_used_slots(&self) -> RecordPageIterator<'_> {
[INFO] [stdout]      |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.32s
[INFO] running `Command { std: "docker" "inspect" "0d572454e9b21a5d7b5879d6a447f5134c67d1a0ee6bdd9c6aef447059cdecb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d572454e9b21a5d7b5879d6a447f5134c67d1a0ee6bdd9c6aef447059cdecb9", kill_on_drop: false }`
[INFO] [stdout] 0d572454e9b21a5d7b5879d6a447f5134c67d1a0ee6bdd9c6aef447059cdecb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b324fc7e06ad319bc9d16c647ae9781d2b4b185d55e1f3f9cdb577f7cb68c435
[INFO] running `Command { std: "docker" "start" "-a" "b324fc7e06ad319bc9d16c647ae9781d2b4b185d55e1f3f9cdb577f7cb68c435", kill_on_drop: false }`
[INFO] [stderr]    Compiling simpledb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]     --> src/main.rs:7001:25
[INFO] [stdout]      |
[INFO] [stdout] 7001 |     fn iter_empty_slots(&self) -> RecordPageIterator {
[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] 7001 |     fn iter_empty_slots(&self) -> RecordPageIterator<'_> {
[INFO] [stdout]      |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]     --> src/main.rs:7010:24
[INFO] [stdout]      |
[INFO] [stdout] 7010 |     fn iter_used_slots(&self) -> RecordPageIterator {
[INFO] [stdout]      |                        ^^^^^     ------------------ the lifetime gets resolved as `'_`
[INFO] [stdout]      |                        |
[INFO] [stdout]      |                        this lifetime flows to the output
[INFO] [stdout]      |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]      |
[INFO] [stdout] 7010 |     fn iter_used_slots(&self) -> RecordPageIterator<'_> {
[INFO] [stdout]      |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.87s
[INFO] running `Command { std: "docker" "inspect" "b324fc7e06ad319bc9d16c647ae9781d2b4b185d55e1f3f9cdb577f7cb68c435", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b324fc7e06ad319bc9d16c647ae9781d2b4b185d55e1f3f9cdb577f7cb68c435", kill_on_drop: false }`
[INFO] [stdout] b324fc7e06ad319bc9d16c647ae9781d2b4b185d55e1f3f9cdb577f7cb68c435