[INFO] fetching crate bivec 0.1.0...
[INFO] testing bivec-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate bivec 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate bivec 0.1.0
[INFO] finished tweaking crates.io crate bivec 0.1.0
[INFO] tweaked toml for crates.io crate bivec 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate bivec 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 455a5f5b656b3358133ddd6418e035a6cf5259a80b3b1d7f0089775a7df1256a
[INFO] running `Command { std: "docker" "start" "-a" "455a5f5b656b3358133ddd6418e035a6cf5259a80b3b1d7f0089775a7df1256a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "455a5f5b656b3358133ddd6418e035a6cf5259a80b3b1d7f0089775a7df1256a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "455a5f5b656b3358133ddd6418e035a6cf5259a80b3b1d7f0089775a7df1256a", kill_on_drop: false }`
[INFO] [stdout] 455a5f5b656b3358133ddd6418e035a6cf5259a80b3b1d7f0089775a7df1256a
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6657a2a68ff0543655f0f9f1cdd3cc70a419b3f13e0df17815f68f0403ab328f
[INFO] running `Command { std: "docker" "start" "-a" "6657a2a68ff0543655f0f9f1cdd3cc70a419b3f13e0df17815f68f0403ab328f", kill_on_drop: false }`
[INFO] [stderr]    Compiling bivec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `range`
[INFO] [stdout]  --> src/core/splice.rs:7:30
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn splice(&mut self, range: impl RangeBounds<usize>, replace_with: impl IntoIterator<Item = (F, S)>) 
[INFO] [stdout]   |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_range`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `replace_with`
[INFO] [stdout]  --> src/core/splice.rs:7:62
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn splice(&mut self, range: impl RangeBounds<usize>, replace_with: impl IntoIterator<Item = (F, S)>) 
[INFO] [stdout]   |                                                              ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_replace_with`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `range`
[INFO] [stdout]  --> src/core/drain.rs:7:29
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn drain(&mut self, range: impl RangeBounds<usize>) -> ! {
[INFO] [stdout]   |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_range`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "6657a2a68ff0543655f0f9f1cdd3cc70a419b3f13e0df17815f68f0403ab328f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6657a2a68ff0543655f0f9f1cdd3cc70a419b3f13e0df17815f68f0403ab328f", kill_on_drop: false }`
[INFO] [stdout] 6657a2a68ff0543655f0f9f1cdd3cc70a419b3f13e0df17815f68f0403ab328f
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 093164c8d683e2f2ff1de6492df2ec658434d5b6f77781cfe970cedeabfc8395
[INFO] running `Command { std: "docker" "start" "-a" "093164c8d683e2f2ff1de6492df2ec658434d5b6f77781cfe970cedeabfc8395", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `range`
[INFO] [stdout]  --> src/core/splice.rs:7:30
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn splice(&mut self, range: impl RangeBounds<usize>, replace_with: impl IntoIterator<Item = (F, S)>) 
[INFO] [stdout]   |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_range`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `replace_with`
[INFO] [stdout]  --> src/core/splice.rs:7:62
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn splice(&mut self, range: impl RangeBounds<usize>, replace_with: impl IntoIterator<Item = (F, S)>) 
[INFO] [stdout]   |                                                              ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_replace_with`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `range`
[INFO] [stdout]  --> src/core/drain.rs:7:29
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn drain(&mut self, range: impl RangeBounds<usize>) -> ! {
[INFO] [stdout]   |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_range`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling bivec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> src/tests/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `range`
[INFO] [stdout]  --> src/core/splice.rs:7:30
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn splice(&mut self, range: impl RangeBounds<usize>, replace_with: impl IntoIterator<Item = (F, S)>) 
[INFO] [stdout]   |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_range`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `replace_with`
[INFO] [stdout]  --> src/core/splice.rs:7:62
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn splice(&mut self, range: impl RangeBounds<usize>, replace_with: impl IntoIterator<Item = (F, S)>) 
[INFO] [stdout]   |                                                              ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_replace_with`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `range`
[INFO] [stdout]  --> src/core/drain.rs:7:29
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn drain(&mut self, range: impl RangeBounds<usize>) -> ! {
[INFO] [stdout]   |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_range`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "093164c8d683e2f2ff1de6492df2ec658434d5b6f77781cfe970cedeabfc8395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "093164c8d683e2f2ff1de6492df2ec658434d5b6f77781cfe970cedeabfc8395", kill_on_drop: false }`
[INFO] [stdout] 093164c8d683e2f2ff1de6492df2ec658434d5b6f77781cfe970cedeabfc8395
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d962f39b9bdcbe5791d0667860d222a3dd1589a6ddcb037eeb7d26331bfcf1cd
[INFO] running `Command { std: "docker" "start" "-a" "d962f39b9bdcbe5791d0667860d222a3dd1589a6ddcb037eeb7d26331bfcf1cd", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `range`
[INFO] [stderr]  --> src/core/splice.rs:7:30
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub fn splice(&mut self, range: impl RangeBounds<usize>, replace_with: impl IntoIterator<Item = (F, S)>) 
[INFO] [stderr]   |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_range`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `replace_with`
[INFO] [stderr]  --> src/core/splice.rs:7:62
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub fn splice(&mut self, range: impl RangeBounds<usize>, replace_with: impl IntoIterator<Item = (F, S)>) 
[INFO] [stderr]   |                                                              ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_replace_with`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `range`
[INFO] [stderr]  --> src/core/drain.rs:7:29
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub fn drain(&mut self, range: impl RangeBounds<usize>) -> ! {
[INFO] [stderr]   |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_range`
[INFO] [stderr] 
[INFO] [stderr] warning: `bivec` (lib) generated 3 warnings (run `cargo fix --lib -p bivec` to apply 3 suggestions)
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]  --> src/tests/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::*;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `bivec` (lib test) generated 4 warnings (3 duplicates) (run `cargo fix --lib -p bivec --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bivec-e732d3fffa72c3db)
[INFO] [stderr]    Doc-tests bivec
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d962f39b9bdcbe5791d0667860d222a3dd1589a6ddcb037eeb7d26331bfcf1cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d962f39b9bdcbe5791d0667860d222a3dd1589a6ddcb037eeb7d26331bfcf1cd", kill_on_drop: false }`
[INFO] [stdout] d962f39b9bdcbe5791d0667860d222a3dd1589a6ddcb037eeb7d26331bfcf1cd