[INFO] fetching crate lrust 0.1.0...
[INFO] testing lrust-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate lrust 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate lrust 0.1.0
[INFO] finished tweaking crates.io crate lrust 0.1.0
[INFO] tweaked toml for crates.io crate lrust 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate lrust 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "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" "+1.90.0" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ae9c1fba65808c99f5cea1089ab9a3cd1ebfdf6e64b1d5464053e00cd6f9326
[INFO] running `Command { std: "docker" "start" "-a" "8ae9c1fba65808c99f5cea1089ab9a3cd1ebfdf6e64b1d5464053e00cd6f9326", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ae9c1fba65808c99f5cea1089ab9a3cd1ebfdf6e64b1d5464053e00cd6f9326", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ae9c1fba65808c99f5cea1089ab9a3cd1ebfdf6e64b1d5464053e00cd6f9326", kill_on_drop: false }`
[INFO] [stdout] 8ae9c1fba65808c99f5cea1089ab9a3cd1ebfdf6e64b1d5464053e00cd6f9326
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8081ccc396b6a21ec9842c09eeebc35789bfc6aaa1c21416eec3c23482ead8d
[INFO] running `Command { std: "docker" "start" "-a" "b8081ccc396b6a21ec9842c09eeebc35789bfc6aaa1c21416eec3c23482ead8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling lrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `prim_col1`
[INFO] [stdout]   --> src/lib.rs:29:16
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn mix(prim_col1: PrimaryColor, prim_col2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prim_col1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prim_col2`
[INFO] [stdout]   --> src/lib.rs:29:41
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn mix(prim_col1: PrimaryColor, prim_col2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prim_col2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "b8081ccc396b6a21ec9842c09eeebc35789bfc6aaa1c21416eec3c23482ead8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8081ccc396b6a21ec9842c09eeebc35789bfc6aaa1c21416eec3c23482ead8d", kill_on_drop: false }`
[INFO] [stdout] b8081ccc396b6a21ec9842c09eeebc35789bfc6aaa1c21416eec3c23482ead8d
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b5f3fbe9558d7de40caec3a322d52dab389249b233c0c62c97ec21f1ccbeccb
[INFO] running `Command { std: "docker" "start" "-a" "4b5f3fbe9558d7de40caec3a322d52dab389249b233c0c62c97ec21f1ccbeccb", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `prim_col1`
[INFO] [stdout]   --> src/lib.rs:29:16
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn mix(prim_col1: PrimaryColor, prim_col2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prim_col1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prim_col2`
[INFO] [stdout]   --> src/lib.rs:29:41
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn mix(prim_col1: PrimaryColor, prim_col2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prim_col2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `prim_col1`
[INFO] [stdout]   --> src/lib.rs:29:16
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn mix(prim_col1: PrimaryColor, prim_col2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prim_col1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prim_col2`
[INFO] [stdout]   --> src/lib.rs:29:41
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn mix(prim_col1: PrimaryColor, prim_col2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prim_col2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "4b5f3fbe9558d7de40caec3a322d52dab389249b233c0c62c97ec21f1ccbeccb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b5f3fbe9558d7de40caec3a322d52dab389249b233c0c62c97ec21f1ccbeccb", kill_on_drop: false }`
[INFO] [stdout] 4b5f3fbe9558d7de40caec3a322d52dab389249b233c0c62c97ec21f1ccbeccb
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7d9610653afa0983eb25fb46dd78e04e72b822fff7662e6d5ac33c3dee491f16
[INFO] running `Command { std: "docker" "start" "-a" "7d9610653afa0983eb25fb46dd78e04e72b822fff7662e6d5ac33c3dee491f16", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `prim_col1`
[INFO] [stderr]   --> src/lib.rs:29:16
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn mix(prim_col1: PrimaryColor, prim_col2: PrimaryColor) -> SecondaryColor {
[INFO] [stderr]    |                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prim_col1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `prim_col2`
[INFO] [stderr]   --> src/lib.rs:29:41
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn mix(prim_col1: PrimaryColor, prim_col2: PrimaryColor) -> SecondaryColor {
[INFO] [stderr]    |                                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prim_col2`
[INFO] [stderr] 
[INFO] [stderr] warning: `lrust` (lib) generated 2 warnings
[INFO] [stderr] warning: `lrust` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lrust-b6f517b5af955e13)
[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] [stderr]    Doc-tests lrust
[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" "7d9610653afa0983eb25fb46dd78e04e72b822fff7662e6d5ac33c3dee491f16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d9610653afa0983eb25fb46dd78e04e72b822fff7662e6d5ac33c3dee491f16", kill_on_drop: false }`
[INFO] [stdout] 7d9610653afa0983eb25fb46dd78e04e72b822fff7662e6d5ac33c3dee491f16