[INFO] fetching crate sharded 0.3.0...
[INFO] checking sharded-0.3.0 against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] extracting crate sharded 0.3.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate sharded 0.3.0
[INFO] finished tweaking crates.io crate sharded 0.3.0
[INFO] tweaked toml for crates.io crate sharded 0.3.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sharded 0.3.0 on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] [stderr]       Adding hashbrown v0.12.3 (available: v0.17.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8612b772600f388a4d784db8a23057174a6bc1f21e8dd0aa47cde8e6b68c539a
[INFO] running `Command { std: "docker" "start" "-a" "8612b772600f388a4d784db8a23057174a6bc1f21e8dd0aa47cde8e6b68c539a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8612b772600f388a4d784db8a23057174a6bc1f21e8dd0aa47cde8e6b68c539a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8612b772600f388a4d784db8a23057174a6bc1f21e8dd0aa47cde8e6b68c539a", kill_on_drop: false }`
[INFO] [stdout] 8612b772600f388a4d784db8a23057174a6bc1f21e8dd0aa47cde8e6b68c539a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c5f1c5eecb14342ef8f86ef09f9ecd0ea4a7ee95b70139c3006f16432dabcc2
[INFO] running `Command { std: "docker" "start" "-a" "1c5f1c5eecb14342ef8f86ef09f9ecd0ea4a7ee95b70139c3006f16432dabcc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking sharded v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `IntoIter` is never constructed
[INFO] [stdout]    --> src/lib.rs:372:12
[INFO] [stdout]     |
[INFO] [stdout] 372 | pub struct IntoIter<K: 'static, V: 'static> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `IntoValues` is never constructed
[INFO] [stdout]    --> src/lib.rs:377:12
[INFO] [stdout]     |
[INFO] [stdout] 377 | pub struct IntoValues<K: 'static, V: 'static> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:297:74
[INFO] [stdout]     |
[INFO] [stdout] 297 |     pub fn get<'a>(&'a self, key: &'a K) -> Option<MappedRwLockReadGuard<'_, V>>
[INFO] [stdout]     |                     --             -- the lifetime is named here         ^^ the same lifetime is elided here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is named 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 297 -     pub fn get<'a>(&'a self, key: &'a K) -> Option<MappedRwLockReadGuard<'_, V>>
[INFO] [stdout] 297 +     pub fn get<'a>(&'a self, key: &'a K) -> Option<MappedRwLockReadGuard<'a, V>>
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `IntoIter` is never constructed
[INFO] [stdout]    --> src/lib.rs:372:12
[INFO] [stdout]     |
[INFO] [stdout] 372 | pub struct IntoIter<K: 'static, V: 'static> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `IntoValues` is never constructed
[INFO] [stdout]    --> src/lib.rs:377:12
[INFO] [stdout]     |
[INFO] [stdout] 377 | pub struct IntoValues<K: 'static, V: 'static> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sharded` (lib) due to 2 previous errors; 1 warning emitted
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:297:74
[INFO] [stdout]     |
[INFO] [stdout] 297 |     pub fn get<'a>(&'a self, key: &'a K) -> Option<MappedRwLockReadGuard<'_, V>>
[INFO] [stdout]     |                     --             -- the lifetime is named here         ^^ the same lifetime is elided here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is named 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 297 -     pub fn get<'a>(&'a self, key: &'a K) -> Option<MappedRwLockReadGuard<'_, V>>
[INFO] [stdout] 297 +     pub fn get<'a>(&'a self, key: &'a K) -> Option<MappedRwLockReadGuard<'a, V>>
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `sharded` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "1c5f1c5eecb14342ef8f86ef09f9ecd0ea4a7ee95b70139c3006f16432dabcc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c5f1c5eecb14342ef8f86ef09f9ecd0ea4a7ee95b70139c3006f16432dabcc2", kill_on_drop: false }`
[INFO] [stdout] 1c5f1c5eecb14342ef8f86ef09f9ecd0ea4a7ee95b70139c3006f16432dabcc2
