[INFO] cloning repository https://github.com/pokemium/build-your-own-rdbms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pokemium/build-your-own-rdbms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpokemium%2Fbuild-your-own-rdbms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpokemium%2Fbuild-your-own-rdbms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2e032c48aaf42aaed6e0c2e243f6d1bd4aadb91
[INFO] checking pokemium/build-your-own-rdbms against try#e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837 for pr-143619
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpokemium%2Fbuild-your-own-rdbms" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pokemium/build-your-own-rdbms
[INFO] finished tweaking git repo https://github.com/pokemium/build-your-own-rdbms
[INFO] tweaked toml for git repo https://github.com/pokemium/build-your-own-rdbms written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pokemium/build-your-own-rdbms on toolchain e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pokemium/build-your-own-rdbms 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" "+e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bbbc54d17721748b702308ea8268bcd1f6485035c87d8bcc071db293971949b0
[INFO] running `Command { std: "docker" "start" "-a" "bbbc54d17721748b702308ea8268bcd1f6485035c87d8bcc071db293971949b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbbc54d17721748b702308ea8268bcd1f6485035c87d8bcc071db293971949b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbbc54d17721748b702308ea8268bcd1f6485035c87d8bcc071db293971949b0", kill_on_drop: false }`
[INFO] [stdout] bbbc54d17721748b702308ea8268bcd1f6485035c87d8bcc071db293971949b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52f8449c71861e2021bcba8ba5eefcbc5c9d5fe535306fcf1b11999e166fada9
[INFO] running `Command { std: "docker" "start" "-a" "52f8449c71861e2021bcba8ba5eefcbc5c9d5fe535306fcf1b11999e166fada9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling zerocopy-derive v0.2.0
[INFO] [stderr]     Checking zerocopy v0.3.0
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking rdbms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/btree/branch.rs:59:20
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn pair_at(&self, slot_id: usize) -> Pair {
[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] 59 |     pub fn pair_at(&self, slot_id: usize) -> Pair<'_> {
[INFO] [stdout]    |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/btree/leaf.rs:54:20
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn pair_at(&self, slot_id: usize) -> Pair {
[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] 54 |     pub fn pair_at(&self, slot_id: usize) -> Pair<'_> {
[INFO] [stdout]    |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/btree/branch.rs:59:20
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn pair_at(&self, slot_id: usize) -> Pair {
[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] 59 |     pub fn pair_at(&self, slot_id: usize) -> Pair<'_> {
[INFO] [stdout]    |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/btree/leaf.rs:49:24
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn search_pair(&self, key: &[u8]) -> Option<Pair> {
[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] 49 |     pub fn search_pair(&self, key: &[u8]) -> Option<Pair<'_>> {
[INFO] [stdout]    |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/btree/leaf.rs:54:20
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn pair_at(&self, slot_id: usize) -> Pair {
[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] 54 |     pub fn pair_at(&self, slot_id: usize) -> Pair<'_> {
[INFO] [stdout]    |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.90s
[INFO] running `Command { std: "docker" "inspect" "52f8449c71861e2021bcba8ba5eefcbc5c9d5fe535306fcf1b11999e166fada9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52f8449c71861e2021bcba8ba5eefcbc5c9d5fe535306fcf1b11999e166fada9", kill_on_drop: false }`
[INFO] [stdout] 52f8449c71861e2021bcba8ba5eefcbc5c9d5fe535306fcf1b11999e166fada9