[INFO] fetching crate bivec 0.1.0...
[INFO] checking bivec-0.1.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate bivec 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate bivec 0.1.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2cfc8c5e9abaaae91a90ade66b2c00676195097f7e33cf0d8115cd3c3246a1fa
[INFO] running `Command { std: "docker" "start" "-a" "2cfc8c5e9abaaae91a90ade66b2c00676195097f7e33cf0d8115cd3c3246a1fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cfc8c5e9abaaae91a90ade66b2c00676195097f7e33cf0d8115cd3c3246a1fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cfc8c5e9abaaae91a90ade66b2c00676195097f7e33cf0d8115cd3c3246a1fa", kill_on_drop: false }`
[INFO] [stdout] 2cfc8c5e9abaaae91a90ade66b2c00676195097f7e33cf0d8115cd3c3246a1fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f31f7a95d2f736212bee34eac4c6cdf3e2143dc56ebd91c0368d790f6ea0de1
[INFO] running `Command { std: "docker" "start" "-a" "7f31f7a95d2f736212bee34eac4c6cdf3e2143dc56ebd91c0368d790f6ea0de1", kill_on_drop: false }`
[INFO] [stderr]     Checking 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)]` 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)]` 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/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)]` 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] [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] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "7f31f7a95d2f736212bee34eac4c6cdf3e2143dc56ebd91c0368d790f6ea0de1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f31f7a95d2f736212bee34eac4c6cdf3e2143dc56ebd91c0368d790f6ea0de1", kill_on_drop: false }`
[INFO] [stdout] 7f31f7a95d2f736212bee34eac4c6cdf3e2143dc56ebd91c0368d790f6ea0de1