[INFO] fetching crate fix_me 0.1.2...
[INFO] checking fix_me-0.1.2 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate fix_me 0.1.2 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate fix_me 0.1.2
[INFO] finished tweaking crates.io crate fix_me 0.1.2
[INFO] tweaked toml for crates.io crate fix_me 0.1.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fix_me 0.1.2 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51057ab79003594f0bf81d6813d3d2dfc0fa53226b0fb7226e1aed897e51da06
[INFO] running `Command { std: "docker" "start" "-a" "51057ab79003594f0bf81d6813d3d2dfc0fa53226b0fb7226e1aed897e51da06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51057ab79003594f0bf81d6813d3d2dfc0fa53226b0fb7226e1aed897e51da06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51057ab79003594f0bf81d6813d3d2dfc0fa53226b0fb7226e1aed897e51da06", kill_on_drop: false }`
[INFO] [stdout] 51057ab79003594f0bf81d6813d3d2dfc0fa53226b0fb7226e1aed897e51da06
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2c9a794a63fda4b8d71b15b96daffd6d6f45ac3648f9f427ef8ca5f8b81e6d4
[INFO] running `Command { std: "docker" "start" "-a" "e2c9a794a63fda4b8d71b15b96daffd6d6f45ac3648f9f427ef8ca5f8b81e6d4", kill_on_drop: false }`
[INFO] [stderr]     Checking fix_me v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `test_string`
[INFO] [stdout]   --> tests/integration_test.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let test_string = String::from("test");
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_string`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> tests/integration_test.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let val = to_fix();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "e2c9a794a63fda4b8d71b15b96daffd6d6f45ac3648f9f427ef8ca5f8b81e6d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2c9a794a63fda4b8d71b15b96daffd6d6f45ac3648f9f427ef8ca5f8b81e6d4", kill_on_drop: false }`
[INFO] [stdout] e2c9a794a63fda4b8d71b15b96daffd6d6f45ac3648f9f427ef8ca5f8b81e6d4