[INFO] fetching crate clone_box 0.1.3...
[INFO] checking clone_box-0.1.3 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate clone_box 0.1.3 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate clone_box 0.1.3 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 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-7-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]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23fd579a8d007d7ce2c2c963a8d4047be566207ece46a13bb29d2a2028765d6c
[INFO] running `Command { std: "docker" "start" "-a" "23fd579a8d007d7ce2c2c963a8d4047be566207ece46a13bb29d2a2028765d6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23fd579a8d007d7ce2c2c963a8d4047be566207ece46a13bb29d2a2028765d6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23fd579a8d007d7ce2c2c963a8d4047be566207ece46a13bb29d2a2028765d6c", kill_on_drop: false }`
[INFO] [stdout] 23fd579a8d007d7ce2c2c963a8d4047be566207ece46a13bb29d2a2028765d6c
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fb625de366b6e5acb9a1dc19f0740c51ed82d07a44c22b58d3453b6e0cdaf54
[INFO] running `Command { std: "docker" "start" "-a" "4fb625de366b6e5acb9a1dc19f0740c51ed82d07a44c22b58d3453b6e0cdaf54", kill_on_drop: false }`
[INFO] [stderr]     Checking proc-macro2 v1.0.86
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking syn v2.0.77
[INFO] [stderr]     Checking 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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.95s
[INFO] running `Command { std: "docker" "inspect" "4fb625de366b6e5acb9a1dc19f0740c51ed82d07a44c22b58d3453b6e0cdaf54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fb625de366b6e5acb9a1dc19f0740c51ed82d07a44c22b58d3453b6e0cdaf54", kill_on_drop: false }`
[INFO] [stdout] 4fb625de366b6e5acb9a1dc19f0740c51ed82d07a44c22b58d3453b6e0cdaf54