[INFO] fetching crate index_alloc 0.1.1...
[INFO] testing index_alloc-0.1.1 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate index_alloc 0.1.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate index_alloc 0.1.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate index_alloc 0.1.1
[INFO] tweaked toml for crates.io crate index_alloc 0.1.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate index_alloc 0.1.1 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate index_alloc 0.1.1 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b8ec69ceb3eb7a3172713bfaf02b08641b35788b4d591c6040adce4731cc4c3
[INFO] running `Command { std: "docker" "start" "-a" "6b8ec69ceb3eb7a3172713bfaf02b08641b35788b4d591c6040adce4731cc4c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b8ec69ceb3eb7a3172713bfaf02b08641b35788b4d591c6040adce4731cc4c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b8ec69ceb3eb7a3172713bfaf02b08641b35788b4d591c6040adce4731cc4c3", kill_on_drop: false }`
[INFO] [stdout] 6b8ec69ceb3eb7a3172713bfaf02b08641b35788b4d591c6040adce4731cc4c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f658bc5d0c02cb853bcb5e372816c2976e49eb1ccc49411cf47a14fc52f7b22
[INFO] running `Command { std: "docker" "start" "-a" "4f658bc5d0c02cb853bcb5e372816c2976e49eb1ccc49411cf47a14fc52f7b22", kill_on_drop: false }`
[INFO] [stderr]    Compiling index_alloc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/lib.rs:167:5
[INFO] [stdout]     |
[INFO] [stdout] 167 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/rc.rs:193:5
[INFO] [stdout]     |
[INFO] [stdout] 193 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:152:10
[INFO] [stdout]     |
[INFO] [stdout] 152 |         &'a self,
[INFO] [stdout]     |          ^^ the lifetime is named here
[INFO] [stdout] 153 |         val: U,
[INFO] [stdout] 154 |     ) -> Result<Box<T, MEMORY_SIZE, INDEX_SIZE>, IndexError>
[INFO] [stdout]     |                 ------------------------------- 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]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 154 |     ) -> Result<Box<'a, T, MEMORY_SIZE, INDEX_SIZE>, IndexError>
[INFO] [stdout]     |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "4f658bc5d0c02cb853bcb5e372816c2976e49eb1ccc49411cf47a14fc52f7b22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f658bc5d0c02cb853bcb5e372816c2976e49eb1ccc49411cf47a14fc52f7b22", kill_on_drop: false }`
[INFO] [stdout] 4f658bc5d0c02cb853bcb5e372816c2976e49eb1ccc49411cf47a14fc52f7b22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25f8247492d9ca9e7c4fd3529cf67aaab03d533f5487e873abea3999666c6436
[INFO] running `Command { std: "docker" "start" "-a" "25f8247492d9ca9e7c4fd3529cf67aaab03d533f5487e873abea3999666c6436", kill_on_drop: false }`
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/lib.rs:167:5
[INFO] [stdout]     |
[INFO] [stdout] 167 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/rc.rs:193:5
[INFO] [stdout]     |
[INFO] [stdout] 193 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling index_alloc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:152:10
[INFO] [stdout]     |
[INFO] [stdout] 152 |         &'a self,
[INFO] [stdout]     |          ^^ the lifetime is named here
[INFO] [stdout] 153 |         val: U,
[INFO] [stdout] 154 |     ) -> Result<Box<T, MEMORY_SIZE, INDEX_SIZE>, IndexError>
[INFO] [stdout]     |                 ------------------------------- 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]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 154 |     ) -> Result<Box<'a, T, MEMORY_SIZE, INDEX_SIZE>, IndexError>
[INFO] [stdout]     |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/lib.rs:167:5
[INFO] [stdout]     |
[INFO] [stdout] 167 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/rc.rs:193:5
[INFO] [stdout]     |
[INFO] [stdout] 193 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_weak` is never used
[INFO] [stdout]   --> examples/rc_graph.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<'a, T> Link<'a, T> {
[INFO] [stdout]    | ----------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 18 |     fn new_weak(node: Weak<'a, Node<'a, T>, MEMORY_SIZE, INDEX_SIZE>) -> Self {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:152:10
[INFO] [stdout]     |
[INFO] [stdout] 152 |         &'a self,
[INFO] [stdout]     |          ^^ the lifetime is named here
[INFO] [stdout] 153 |         val: U,
[INFO] [stdout] 154 |     ) -> Result<Box<T, MEMORY_SIZE, INDEX_SIZE>, IndexError>
[INFO] [stdout]     |                 ------------------------------- 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]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 154 |     ) -> Result<Box<'a, T, MEMORY_SIZE, INDEX_SIZE>, IndexError>
[INFO] [stdout]     |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "25f8247492d9ca9e7c4fd3529cf67aaab03d533f5487e873abea3999666c6436", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25f8247492d9ca9e7c4fd3529cf67aaab03d533f5487e873abea3999666c6436", kill_on_drop: false }`
[INFO] [stdout] 25f8247492d9ca9e7c4fd3529cf67aaab03d533f5487e873abea3999666c6436
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1d94fdbaeba8f24a7452ecdeab589ad4e9112b4882bf63a062b4d7f9740460e9
[INFO] running `Command { std: "docker" "start" "-a" "1d94fdbaeba8f24a7452ecdeab589ad4e9112b4882bf63a062b4d7f9740460e9", kill_on_drop: false }`
[INFO] [stderr] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stderr]    --> src/lib.rs:167:5
[INFO] [stderr]     |
[INFO] [stderr] 167 |     #[must_use]
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stderr]    --> src/rc.rs:193:5
[INFO] [stderr]     |
[INFO] [stderr] 193 |     #[must_use]
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:152:10
[INFO] [stderr]     |
[INFO] [stderr] 152 |         &'a self,
[INFO] [stderr]     |          ^^ the lifetime is named here
[INFO] [stderr] 153 |         val: U,
[INFO] [stderr] 154 |     ) -> Result<Box<T, MEMORY_SIZE, INDEX_SIZE>, IndexError>
[INFO] [stderr]     |                 ------------------------------- the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]     |
[INFO] [stderr] 154 |     ) -> Result<Box<'a, T, MEMORY_SIZE, INDEX_SIZE>, IndexError>
[INFO] [stderr]     |                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: `index_alloc` (lib) generated 3 warnings (run `cargo fix --lib -p index_alloc` to apply 3 suggestions)
[INFO] [stderr] warning: associated function `new_weak` is never used
[INFO] [stderr]   --> examples/rc_graph.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl<'a, T> Link<'a, T> {
[INFO] [stderr]    | ----------------------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 18 |     fn new_weak(node: Weak<'a, Node<'a, T>, MEMORY_SIZE, INDEX_SIZE>) -> Self {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `index_alloc` (example "rc_graph") generated 1 warning
[INFO] [stderr] warning: `index_alloc` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/index_alloc-615be80008bc9bd5)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test index::tests::test_index_merge ... ok
[INFO] [stdout] test index::tests::test_index_sort ... ok
[INFO] [stdout] test index::tests::test_split_region ... ok
[INFO] [stdout] test rc::tests::test_weak_on_dropped_value ... ok
[INFO] [stdout] test rc::tests::test_rc_allocation ... ok
[INFO] [stdout] test index::tests::test_available_index ... ok
[INFO] [stdout] test rc::tests::test_rc_counting ... ok
[INFO] [stdout] test rc::tests::test_weak_counting ... ok
[INFO] [stdout] test boxed::tests::test_box_allocation ... ok
[INFO] [stdout] test index::tests::test_index_size_region_available ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests index_alloc
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/rc.rs - rc::Weak (line 254) ... ok
[INFO] [stdout] test src/lib.rs - IndexAllocator (line 45) ... ok
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] test src/boxed.rs - boxed::Box (line 15) ... ok
[INFO] [stdout] test src/rc.rs - rc::Rc (line 103) ... ok
[INFO] [stdout] test src/rc.rs - rc::Rc<'a,T,MEMORY_SIZE,INDEX_SIZE>::clone (line 180) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.67s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1d94fdbaeba8f24a7452ecdeab589ad4e9112b4882bf63a062b4d7f9740460e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d94fdbaeba8f24a7452ecdeab589ad4e9112b4882bf63a062b4d7f9740460e9", kill_on_drop: false }`
[INFO] [stdout] 1d94fdbaeba8f24a7452ecdeab589ad4e9112b4882bf63a062b4d7f9740460e9