[INFO] fetching crate clone_box 0.1.3...
[INFO] testing clone_box-0.1.3 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate clone_box 0.1.3 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate clone_box 0.1.3
[INFO] finished tweaking crates.io crate clone_box 0.1.3
[INFO] tweaked toml for crates.io crate clone_box 0.1.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate clone_box 0.1.3 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29f1ca0eb8d50c9daf864e967e8f08395eb9144546af095c25bb6b92aff6b871
[INFO] running `Command { std: "docker" "start" "-a" "29f1ca0eb8d50c9daf864e967e8f08395eb9144546af095c25bb6b92aff6b871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29f1ca0eb8d50c9daf864e967e8f08395eb9144546af095c25bb6b92aff6b871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29f1ca0eb8d50c9daf864e967e8f08395eb9144546af095c25bb6b92aff6b871", kill_on_drop: false }`
[INFO] [stdout] 29f1ca0eb8d50c9daf864e967e8f08395eb9144546af095c25bb6b92aff6b871
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 079d7f2d2820c22970f16ea2b5ceed712961f96b5c40e3844c06af3ca835fdd8
[INFO] running `Command { std: "docker" "start" "-a" "079d7f2d2820c22970f16ea2b5ceed712961f96b5c40e3844c06af3ca835fdd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling clone_box v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `ty_generics`
[INFO] [stdout]    --> src/lib.rs:133:25
[INFO] [stdout]     |
[INFO] [stdout] 133 |     let (impl_generics, ty_generics, mut where_clause) = &item.generics.split_for_impl();
[INFO] [stdout]     |                         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ty_generics`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:133:38
[INFO] [stdout]     |
[INFO] [stdout] 133 |     let (impl_generics, ty_generics, mut where_clause) = &item.generics.split_for_impl();
[INFO] [stdout]     |                                      ----^^^^^^^^^^^^
[INFO] [stdout]     |                                      |
[INFO] [stdout]     |                                      help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.72s
[INFO] running `Command { std: "docker" "inspect" "079d7f2d2820c22970f16ea2b5ceed712961f96b5c40e3844c06af3ca835fdd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "079d7f2d2820c22970f16ea2b5ceed712961f96b5c40e3844c06af3ca835fdd8", kill_on_drop: false }`
[INFO] [stdout] 079d7f2d2820c22970f16ea2b5ceed712961f96b5c40e3844c06af3ca835fdd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c70476d1b32fe46b66a3b06af3230d9b6b914109c82817dc88b7255a1a35b8d8
[INFO] running `Command { std: "docker" "start" "-a" "c70476d1b32fe46b66a3b06af3230d9b6b914109c82817dc88b7255a1a35b8d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling clone_box v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `ty_generics`
[INFO] [stdout]    --> src/lib.rs:133:25
[INFO] [stdout]     |
[INFO] [stdout] 133 |     let (impl_generics, ty_generics, mut where_clause) = &item.generics.split_for_impl();
[INFO] [stdout]     |                         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ty_generics`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:133:38
[INFO] [stdout]     |
[INFO] [stdout] 133 |     let (impl_generics, ty_generics, mut where_clause) = &item.generics.split_for_impl();
[INFO] [stdout]     |                                      ----^^^^^^^^^^^^
[INFO] [stdout]     |                                      |
[INFO] [stdout]     |                                      help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty_generics`
[INFO] [stdout]    --> src/lib.rs:133:25
[INFO] [stdout]     |
[INFO] [stdout] 133 |     let (impl_generics, ty_generics, mut where_clause) = &item.generics.split_for_impl();
[INFO] [stdout]     |                         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ty_generics`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:133:38
[INFO] [stdout]     |
[INFO] [stdout] 133 |     let (impl_generics, ty_generics, mut where_clause) = &item.generics.split_for_impl();
[INFO] [stdout]     |                                      ----^^^^^^^^^^^^
[INFO] [stdout]     |                                      |
[INFO] [stdout]     |                                      help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "c70476d1b32fe46b66a3b06af3230d9b6b914109c82817dc88b7255a1a35b8d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c70476d1b32fe46b66a3b06af3230d9b6b914109c82817dc88b7255a1a35b8d8", kill_on_drop: false }`
[INFO] [stdout] c70476d1b32fe46b66a3b06af3230d9b6b914109c82817dc88b7255a1a35b8d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e03f1ec5dacbe7efaab0e19c294382a231c9cd6bd27ea506390e24f20f779784
[INFO] running `Command { std: "docker" "start" "-a" "e03f1ec5dacbe7efaab0e19c294382a231c9cd6bd27ea506390e24f20f779784", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `ty_generics`
[INFO] [stderr]    --> src/lib.rs:133:25
[INFO] [stderr]     |
[INFO] [stderr] 133 |     let (impl_generics, ty_generics, mut where_clause) = &item.generics.split_for_impl();
[INFO] [stderr]     |                         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ty_generics`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:133:38
[INFO] [stderr]     |
[INFO] [stderr] 133 |     let (impl_generics, ty_generics, mut where_clause) = &item.generics.split_for_impl();
[INFO] [stderr]     |                                      ----^^^^^^^^^^^^
[INFO] [stderr]     |                                      |
[INFO] [stderr]     |                                      help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `clone_box` (lib) generated 2 warnings (run `cargo fix --lib -p clone_box` to apply 1 suggestion)
[INFO] [stderr] warning: `clone_box` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/clone_box-cc31eae7b64c6549)
[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]    Doc-tests clone_box
[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" "e03f1ec5dacbe7efaab0e19c294382a231c9cd6bd27ea506390e24f20f779784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e03f1ec5dacbe7efaab0e19c294382a231c9cd6bd27ea506390e24f20f779784", kill_on_drop: false }`
[INFO] [stdout] e03f1ec5dacbe7efaab0e19c294382a231c9cd6bd27ea506390e24f20f779784