[INFO] fetching crate my_cargo_test_crate_rr 0.1.1...
[INFO] building my_cargo_test_crate_rr-0.1.1 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate my_cargo_test_crate_rr 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate my_cargo_test_crate_rr 0.1.1
[INFO] finished tweaking crates.io crate my_cargo_test_crate_rr 0.1.1
[INFO] tweaked toml for crates.io crate my_cargo_test_crate_rr 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate my_cargo_test_crate_rr 0.1.1 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de63adfd7d16be0052bc6b768aca520cd867a27ec961f53a5e2df6164601ef37
[INFO] running `Command { std: "docker" "start" "-a" "de63adfd7d16be0052bc6b768aca520cd867a27ec961f53a5e2df6164601ef37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de63adfd7d16be0052bc6b768aca520cd867a27ec961f53a5e2df6164601ef37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de63adfd7d16be0052bc6b768aca520cd867a27ec961f53a5e2df6164601ef37", kill_on_drop: false }`
[INFO] [stdout] de63adfd7d16be0052bc6b768aca520cd867a27ec961f53a5e2df6164601ef37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 780e42a0f4817a9c38210c505844555d472cf730897885549c13f745944b6fbe
[INFO] running `Command { std: "docker" "start" "-a" "780e42a0f4817a9c38210c505844555d472cf730897885549c13f745944b6fbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling my_cargo_test_crate_rr v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]  --> src/utils.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]   |            ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]  --> src/utils.rs:5:30
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]   |                              ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "780e42a0f4817a9c38210c505844555d472cf730897885549c13f745944b6fbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "780e42a0f4817a9c38210c505844555d472cf730897885549c13f745944b6fbe", kill_on_drop: false }`
[INFO] [stdout] 780e42a0f4817a9c38210c505844555d472cf730897885549c13f745944b6fbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fd79a5e6aed358aff0a9e8320453e7bcddcb1dfbbf32aac3662bd0eb6730b2b
[INFO] running `Command { std: "docker" "start" "-a" "9fd79a5e6aed358aff0a9e8320453e7bcddcb1dfbbf32aac3662bd0eb6730b2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling my_cargo_test_crate_rr v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]  --> src/utils.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]   |            ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]  --> src/utils.rs:5:30
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]   |                              ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]  --> src/utils.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]   |            ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]  --> src/utils.rs:5:30
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]   |                              ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "9fd79a5e6aed358aff0a9e8320453e7bcddcb1dfbbf32aac3662bd0eb6730b2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fd79a5e6aed358aff0a9e8320453e7bcddcb1dfbbf32aac3662bd0eb6730b2b", kill_on_drop: false }`
[INFO] [stdout] 9fd79a5e6aed358aff0a9e8320453e7bcddcb1dfbbf32aac3662bd0eb6730b2b