[INFO] cloning repository https://github.com/pjtatlow/jammdb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pjtatlow/jammdb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpjtatlow%2Fjammdb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpjtatlow%2Fjammdb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f406a0d80f12dcc062152c3fb3c85459151dfbc9
[INFO] checking pjtatlow/jammdb/f406a0d80f12dcc062152c3fb3c85459151dfbc9 against master#cb40c25f6aebb637163d26bf76a680ed6e5d1eda for pr-156157
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpjtatlow%2Fjammdb" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pjtatlow/jammdb
[INFO] finished tweaking git repo https://github.com/pjtatlow/jammdb
[INFO] tweaked toml for git repo https://github.com/pjtatlow/jammdb written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pjtatlow/jammdb on toolchain cb40c25f6aebb637163d26bf76a680ed6e5d1eda
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cb40c25f6aebb637163d26bf76a680ed6e5d1eda" "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" "+cb40c25f6aebb637163d26bf76a680ed6e5d1eda" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 68 packages to latest compatible versions
[INFO] [stderr]       Adding fs4 v0.7.0 (available: v1.1.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[INFO] [stderr]       Adding sha3 v0.10.9 (available: v0.12.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cb40c25f6aebb637163d26bf76a680ed6e5d1eda" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fs4 v0.7.0
[INFO] [stderr]   Downloaded sha3 v0.10.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cb40c25f6aebb637163d26bf76a680ed6e5d1eda" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c42805bdbf34c8d8e9a3edc83c78636bd9d04ba6a5824034cc68c28f4d90e2ce
[INFO] running `Command { std: "docker" "start" "-a" "c42805bdbf34c8d8e9a3edc83c78636bd9d04ba6a5824034cc68c28f4d90e2ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c42805bdbf34c8d8e9a3edc83c78636bd9d04ba6a5824034cc68c28f4d90e2ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c42805bdbf34c8d8e9a3edc83c78636bd9d04ba6a5824034cc68c28f4d90e2ce", kill_on_drop: false }`
[INFO] [stdout] c42805bdbf34c8d8e9a3edc83c78636bd9d04ba6a5824034cc68c28f4d90e2ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cb40c25f6aebb637163d26bf76a680ed6e5d1eda" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89bde0802f86d5a73979a90663e3e8b17cb274de0153a13a47bd024178e55468
[INFO] running `Command { std: "docker" "start" "-a" "89bde0802f86d5a73979a90663e3e8b17cb274de0153a13a47bd024178e55468", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]     Checking sha3 v0.10.9
[INFO] [stderr]     Checking page_size v0.6.0
[INFO] [stderr]     Checking memmap2 v0.9.10
[INFO] [stderr]     Checking bumpalo v3.20.2
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking rmp v0.8.15
[INFO] [stderr]     Checking fs4 v0.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.6
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking bytes v1.11.1
[INFO] [stderr]     Checking rmp-serde v1.3.1
[INFO] [stderr]     Checking jammdb v0.11.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/tx.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Ro(RwLockReadGuard<'tx, ()>),
[INFO] [stdout]    |     -- ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 26 -     Ro(RwLockReadGuard<'tx, ()>),
[INFO] [stdout] 26 +     Ro(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/bucket.rs:168:35
[INFO] [stdout]     |
[INFO] [stdout] 168 |     pub fn delete<T: AsRef<[u8]>>(&self, key: T) -> Result<KVPair> {
[INFO] [stdout]     |                                   ^^^^^                    ^^^^^^ the same lifetimes are 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] 168 |     pub fn delete<T: AsRef<[u8]>>(&self, key: T) -> Result<KVPair<'_, '_>> {
[INFO] [stdout]     |                                                                  ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/bucket.rs:495:56
[INFO] [stdout]     |
[INFO] [stdout] 495 |     fn new_child<'a>(&'a mut self, name: Bytes<'b>) -> RefMut<InnerBucket<'b>> {
[INFO] [stdout]     |                       -- the lifetime is named here    ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 495 |     fn new_child<'a>(&'a mut self, name: Bytes<'b>) -> RefMut<'a, InnerBucket<'b>> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/data.rs:47:15
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn kv(&self) -> &KVPair {
[INFO] [stdout]    |               ^^^^^     ^^^^^^^
[INFO] [stdout]    |               |         ||
[INFO] [stdout]    |               |         |the same lifetimes are hidden here
[INFO] [stdout]    |               |         the same lifetime is elided here
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn kv(&self) -> &KVPair<'_, '_> {
[INFO] [stdout]    |                                ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/db.rs:220:15
[INFO] [stdout]     |
[INFO] [stdout] 220 |     pub fn tx(&self, writable: bool) -> Result<Tx> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 220 |     pub fn tx(&self, writable: bool) -> Result<Tx<'_>> {
[INFO] [stdout]     |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/tx.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Ro(RwLockReadGuard<'tx, ()>),
[INFO] [stdout]    |     -- ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 26 -     Ro(RwLockReadGuard<'tx, ()>),
[INFO] [stdout] 26 +     Ro(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/bucket.rs:168:35
[INFO] [stdout]     |
[INFO] [stdout] 168 |     pub fn delete<T: AsRef<[u8]>>(&self, key: T) -> Result<KVPair> {
[INFO] [stdout]     |                                   ^^^^^                    ^^^^^^ the same lifetimes are 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] 168 |     pub fn delete<T: AsRef<[u8]>>(&self, key: T) -> Result<KVPair<'_, '_>> {
[INFO] [stdout]     |                                                                  ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/bucket.rs:495:56
[INFO] [stdout]     |
[INFO] [stdout] 495 |     fn new_child<'a>(&'a mut self, name: Bytes<'b>) -> RefMut<InnerBucket<'b>> {
[INFO] [stdout]     |                       -- the lifetime is named here    ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 495 |     fn new_child<'a>(&'a mut self, name: Bytes<'b>) -> RefMut<'a, InnerBucket<'b>> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/data.rs:47:15
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn kv(&self) -> &KVPair {
[INFO] [stdout]    |               ^^^^^     ^^^^^^^
[INFO] [stdout]    |               |         ||
[INFO] [stdout]    |               |         |the same lifetimes are hidden here
[INFO] [stdout]    |               |         the same lifetime is elided here
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn kv(&self) -> &KVPair<'_, '_> {
[INFO] [stdout]    |                                ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/db.rs:220:15
[INFO] [stdout]     |
[INFO] [stdout] 220 |     pub fn tx(&self, writable: bool) -> Result<Tx> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 220 |     pub fn tx(&self, writable: bool) -> Result<Tx<'_>> {
[INFO] [stdout]     |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.07s
[INFO] running `Command { std: "docker" "inspect" "89bde0802f86d5a73979a90663e3e8b17cb274de0153a13a47bd024178e55468", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89bde0802f86d5a73979a90663e3e8b17cb274de0153a13a47bd024178e55468", kill_on_drop: false }`
[INFO] [stdout] 89bde0802f86d5a73979a90663e3e8b17cb274de0153a13a47bd024178e55468
