[INFO] fetching crate fastgraph 0.1.21...
[INFO] checking fastgraph-0.1.21 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate fastgraph 0.1.21 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate fastgraph 0.1.21
[INFO] finished tweaking crates.io crate fastgraph 0.1.21
[INFO] tweaked toml for crates.io crate fastgraph 0.1.21 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fastgraph 0.1.21 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 88 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.7.0)
[INFO] [stderr]       Adding parking_lot v0.11.2 (available: v0.12.4)
[INFO] [stderr]       Adding primes v0.3.0 (available: v0.4.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83e1eb035dd72cbeddb636fd7299827b47c29997969f6f4d1ffec41150717257
[INFO] running `Command { std: "docker" "start" "-a" "83e1eb035dd72cbeddb636fd7299827b47c29997969f6f4d1ffec41150717257", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83e1eb035dd72cbeddb636fd7299827b47c29997969f6f4d1ffec41150717257", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83e1eb035dd72cbeddb636fd7299827b47c29997969f6f4d1ffec41150717257", kill_on_drop: false }`
[INFO] [stdout] 83e1eb035dd72cbeddb636fd7299827b47c29997969f6f4d1ffec41150717257
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1f3805a32c7624675b32ed7ceb541de657a0168a50239f7b540be08a94a5db8
[INFO] running `Command { std: "docker" "start" "-a" "d1f3805a32c7624675b32ed7ceb541de657a0168a50239f7b540be08a94a5db8", kill_on_drop: false }`
[INFO] [stderr]     Checking primes v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking fastgraph v0.1.21 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/core.rs:355:21
[INFO] [stdout]     |
[INFO] [stdout] 355 |     pub fn outbound(&self) -> RwLockReadGuard<Vec<Arc<Edge<K, N, E>>>> {
[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] 355 |     pub fn outbound(&self) -> RwLockReadGuard<'_, Vec<Arc<Edge<K, N, E>>>> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/core.rs:362:25
[INFO] [stdout]     |
[INFO] [stdout] 362 |     pub fn outbound_mut(&self) -> RwLockWriteGuard<Vec<Arc<Edge<K, N, E>>>> {
[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] 362 |     pub fn outbound_mut(&self) -> RwLockWriteGuard<'_, Vec<Arc<Edge<K, N, E>>>> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/core.rs:369:20
[INFO] [stdout]     |
[INFO] [stdout] 369 |     pub fn inbound(&self) -> RwLockReadGuard<Vec<Weak<Edge<K, N, E>>>> {
[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] 369 |     pub fn inbound(&self) -> RwLockReadGuard<'_, Vec<Weak<Edge<K, N, E>>>> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/core.rs:376:24
[INFO] [stdout]     |
[INFO] [stdout] 376 |     pub fn inbound_mut(&self) -> RwLockWriteGuard<Vec<Weak<Edge<K, N, E>>>> {
[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] 376 |     pub fn inbound_mut(&self) -> RwLockWriteGuard<'_, Vec<Weak<Edge<K, N, E>>>> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/core.rs:355:21
[INFO] [stdout]     |
[INFO] [stdout] 355 |     pub fn outbound(&self) -> RwLockReadGuard<Vec<Arc<Edge<K, N, E>>>> {
[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] 355 |     pub fn outbound(&self) -> RwLockReadGuard<'_, Vec<Arc<Edge<K, N, E>>>> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/core.rs:362:25
[INFO] [stdout]     |
[INFO] [stdout] 362 |     pub fn outbound_mut(&self) -> RwLockWriteGuard<Vec<Arc<Edge<K, N, E>>>> {
[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] 362 |     pub fn outbound_mut(&self) -> RwLockWriteGuard<'_, Vec<Arc<Edge<K, N, E>>>> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/core.rs:369:20
[INFO] [stdout]     |
[INFO] [stdout] 369 |     pub fn inbound(&self) -> RwLockReadGuard<Vec<Weak<Edge<K, N, E>>>> {
[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] 369 |     pub fn inbound(&self) -> RwLockReadGuard<'_, Vec<Weak<Edge<K, N, E>>>> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/core.rs:376:24
[INFO] [stdout]     |
[INFO] [stdout] 376 |     pub fn inbound_mut(&self) -> RwLockWriteGuard<Vec<Weak<Edge<K, N, E>>>> {
[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] 376 |     pub fn inbound_mut(&self) -> RwLockWriteGuard<'_, Vec<Weak<Edge<K, N, E>>>> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.93s
[INFO] running `Command { std: "docker" "inspect" "d1f3805a32c7624675b32ed7ceb541de657a0168a50239f7b540be08a94a5db8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1f3805a32c7624675b32ed7ceb541de657a0168a50239f7b540be08a94a5db8", kill_on_drop: false }`
[INFO] [stdout] d1f3805a32c7624675b32ed7ceb541de657a0168a50239f7b540be08a94a5db8