[INFO] fetching crate sample2 0.1.0...
[INFO] testing sample2-0.1.0 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate sample2 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate sample2 0.1.0
[INFO] finished tweaking crates.io crate sample2 0.1.0
[INFO] tweaked toml for crates.io crate sample2 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sample2 0.1.0 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sample2 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac9c8a99cc08abfc5366c013d527a4308771fae010cea0ba60e5259ce9bb7f35
[INFO] running `Command { std: "docker" "start" "-a" "ac9c8a99cc08abfc5366c013d527a4308771fae010cea0ba60e5259ce9bb7f35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac9c8a99cc08abfc5366c013d527a4308771fae010cea0ba60e5259ce9bb7f35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac9c8a99cc08abfc5366c013d527a4308771fae010cea0ba60e5259ce9bb7f35", kill_on_drop: false }`
[INFO] [stdout] ac9c8a99cc08abfc5366c013d527a4308771fae010cea0ba60e5259ce9bb7f35
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ab9de8e94e095a61b86e3530c2d3e6bef0f83d4a49e8765bf0966c84d9212a7
[INFO] running `Command { std: "docker" "start" "-a" "5ab9de8e94e095a61b86e3530c2d3e6bef0f83d4a49e8765bf0966c84d9212a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling sample2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:29:55
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> (SecondaryColor) {
[INFO] [stdout]    |                                                       ^              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 29 -     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> (SecondaryColor) {
[INFO] [stdout] 29 +     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]   --> src/lib.rs:29:16
[INFO] [stdout]    |
[INFO] [stdout] 29 |     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/lib.rs:29:34
[INFO] [stdout]    |
[INFO] [stdout] 29 |     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 0.36s
[INFO] running `Command { std: "docker" "inspect" "5ab9de8e94e095a61b86e3530c2d3e6bef0f83d4a49e8765bf0966c84d9212a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ab9de8e94e095a61b86e3530c2d3e6bef0f83d4a49e8765bf0966c84d9212a7", kill_on_drop: false }`
[INFO] [stdout] 5ab9de8e94e095a61b86e3530c2d3e6bef0f83d4a49e8765bf0966c84d9212a7
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a691c23e0f5286f5e195c3a985bd7e61ad31bc7f7b12346250ab65cde864b9da
[INFO] running `Command { std: "docker" "start" "-a" "a691c23e0f5286f5e195c3a985bd7e61ad31bc7f7b12346250ab65cde864b9da", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:29:55
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> (SecondaryColor) {
[INFO] [stdout]    |                                                       ^              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 29 -     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> (SecondaryColor) {
[INFO] [stdout] 29 +     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]   --> src/lib.rs:29:16
[INFO] [stdout]    |
[INFO] [stdout] 29 |     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/lib.rs:29:34
[INFO] [stdout]    |
[INFO] [stdout] 29 |     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]    Compiling sample2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:29:55
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> (SecondaryColor) {
[INFO] [stdout]    |                                                       ^              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 29 -     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> (SecondaryColor) {
[INFO] [stdout] 29 +     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]   --> src/lib.rs:29:16
[INFO] [stdout]    |
[INFO] [stdout] 29 |     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/lib.rs:29:34
[INFO] [stdout]    |
[INFO] [stdout] 29 |     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 0.42s
[INFO] running `Command { std: "docker" "inspect" "a691c23e0f5286f5e195c3a985bd7e61ad31bc7f7b12346250ab65cde864b9da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a691c23e0f5286f5e195c3a985bd7e61ad31bc7f7b12346250ab65cde864b9da", kill_on_drop: false }`
[INFO] [stdout] a691c23e0f5286f5e195c3a985bd7e61ad31bc7f7b12346250ab65cde864b9da
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4cee5687eeced8e8e3d36b7f0e7f9296c1650a2fe27c4e1ea40eaf55e873c9c0
[INFO] running `Command { std: "docker" "start" "-a" "4cee5687eeced8e8e3d36b7f0e7f9296c1650a2fe27c4e1ea40eaf55e873c9c0", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/lib.rs:29:55
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> (SecondaryColor) {
[INFO] [stderr]    |                                                       ^              ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 29 -     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> (SecondaryColor) {
[INFO] [stderr] 29 +     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c1`
[INFO] [stderr]   --> src/lib.rs:29:16
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> (SecondaryColor) {
[INFO] [stderr]    |                ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c2`
[INFO] [stderr]   --> src/lib.rs:29:34
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> (SecondaryColor) {
[INFO] [stderr]    |                                  ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stderr] 
[INFO] [stderr] warning: `sample2` (lib) generated 3 warnings (run `cargo fix --lib -p sample2` to apply 3 suggestions)
[INFO] [stderr] warning: `sample2` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sample2-b91644227f802c7f)
[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] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/sample2-cae9ac53abe90b86)
[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] [stderr]    Doc-tests sample2
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/lib.rs:29:55
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> (SecondaryColor) {
[INFO] [stderr]    |                                                       ^              ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 29 -     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> (SecondaryColor) {
[INFO] [stderr] 29 +     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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" "4cee5687eeced8e8e3d36b7f0e7f9296c1650a2fe27c4e1ea40eaf55e873c9c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cee5687eeced8e8e3d36b7f0e7f9296c1650a2fe27c4e1ea40eaf55e873c9c0", kill_on_drop: false }`
[INFO] [stdout] 4cee5687eeced8e8e3d36b7f0e7f9296c1650a2fe27c4e1ea40eaf55e873c9c0
