[INFO] fetching crate srestricted 0.3.0...
[INFO] checking srestricted-0.3.0 against master#36b21637e93b038453924d3c66821089e71d8baa for pr-143164
[INFO] extracting crate srestricted 0.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate srestricted 0.3.0
[INFO] finished tweaking crates.io crate srestricted 0.3.0
[INFO] tweaked toml for crates.io crate srestricted 0.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate srestricted 0.3.0 on toolchain 36b21637e93b038453924d3c66821089e71d8baa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "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" "+36b21637e93b038453924d3c66821089e71d8baa" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 947e30c91fb7fec1c5a71046e9d29d8e04c5c84a20c0386d1c553073717c7a42
[INFO] running `Command { std: "docker" "start" "-a" "947e30c91fb7fec1c5a71046e9d29d8e04c5c84a20c0386d1c553073717c7a42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "947e30c91fb7fec1c5a71046e9d29d8e04c5c84a20c0386d1c553073717c7a42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "947e30c91fb7fec1c5a71046e9d29d8e04c5c84a20c0386d1c553073717c7a42", kill_on_drop: false }`
[INFO] [stdout] 947e30c91fb7fec1c5a71046e9d29d8e04c5c84a20c0386d1c553073717c7a42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b4b54919d495b95fe92c376ee4a463313b478b0f5a6b706daa02998d29c7da2
[INFO] running `Command { std: "docker" "start" "-a" "5b4b54919d495b95fe92c376ee4a463313b478b0f5a6b706daa02998d29c7da2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking srestricted v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `alloc_collections::*`
[INFO] [stdout]  --> src/collections.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use alloc_collections::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `alloc_collections::*`
[INFO] [stdout]  --> src/collections.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use alloc_collections::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::*`
[INFO] [stdout]   --> src/lib.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub use collections::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::*`
[INFO] [stdout]   --> src/lib.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub use collections::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:295:26
[INFO] [stdout]     |
[INFO] [stdout] 295 |     pub fn view_mut<'a>(&'a mut self) -> <C as ViewMut>::MutableView
[INFO] [stdout]     |                          ^^              --------------------------- the lifetime gets resolved as `'a`
[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 consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 295 |     pub fn view_mut<'a>(&'a mut self) -> <C as ViewMut<'a>>::MutableView
[INFO] [stdout]     |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:295:26
[INFO] [stdout]     |
[INFO] [stdout] 295 |     pub fn view_mut<'a>(&'a mut self) -> <C as ViewMut>::MutableView
[INFO] [stdout]     |                          ^^              --------------------------- the lifetime gets resolved as `'a`
[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 consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 295 |     pub fn view_mut<'a>(&'a mut self) -> <C as ViewMut<'a>>::MutableView
[INFO] [stdout]     |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.37s
[INFO] running `Command { std: "docker" "inspect" "5b4b54919d495b95fe92c376ee4a463313b478b0f5a6b706daa02998d29c7da2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b4b54919d495b95fe92c376ee4a463313b478b0f5a6b706daa02998d29c7da2", kill_on_drop: false }`
[INFO] [stdout] 5b4b54919d495b95fe92c376ee4a463313b478b0f5a6b706daa02998d29c7da2