[INFO] fetching crate my_crate_iamlearningrustgfkdsldsfsdrrzeczeczeacrzrgrdsfgds 0.1.9001900190011337808...
[INFO] testing my_crate_iamlearningrustgfkdsldsfsdrrzeczeczeacrzrgrdsfgds-0.1.9001900190011337808 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate my_crate_iamlearningrustgfkdsldsfsdrrzeczeczeacrzrgrdsfgds 0.1.9001900190011337808 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate my_crate_iamlearningrustgfkdsldsfsdrrzeczeczeacrzrgrdsfgds 0.1.9001900190011337808 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate my_crate_iamlearningrustgfkdsldsfsdrrzeczeczeacrzrgrdsfgds 0.1.9001900190011337808
[INFO] finished tweaking crates.io crate my_crate_iamlearningrustgfkdsldsfsdrrzeczeczeacrzrgrdsfgds 0.1.9001900190011337808
[INFO] tweaked toml for crates.io crate my_crate_iamlearningrustgfkdsldsfsdrrzeczeczeacrzrgrdsfgds 0.1.9001900190011337808 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate my_crate_iamlearningrustgfkdsldsfsdrrzeczeczeacrzrgrdsfgds 0.1.9001900190011337808 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51317d8705d3d5ae7f4117de6d26548f8e4d784a7825ab927c6bbb4ea3c46638
[INFO] running `Command { std: "docker" "start" "-a" "51317d8705d3d5ae7f4117de6d26548f8e4d784a7825ab927c6bbb4ea3c46638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51317d8705d3d5ae7f4117de6d26548f8e4d784a7825ab927c6bbb4ea3c46638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51317d8705d3d5ae7f4117de6d26548f8e4d784a7825ab927c6bbb4ea3c46638", kill_on_drop: false }`
[INFO] [stdout] 51317d8705d3d5ae7f4117de6d26548f8e4d784a7825ab927c6bbb4ea3c46638
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0848716dbd6421c51ae4ba1fc64748587063736bb11045e4149f583002479c88
[INFO] running `Command { std: "docker" "start" "-a" "0848716dbd6421c51ae4ba1fc64748587063736bb11045e4149f583002479c88", kill_on_drop: false }`
[INFO] [stderr]    Compiling my_crate_iamlearningrustgfkdsldsfsdrrzeczeczeacrzrgrdsfgds v0.1.9001900190011337808 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]   --> src/lib.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 30 |     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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]   --> src/lib.rs:30:34
[INFO] [stdout]    |
[INFO] [stdout] 30 |     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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "0848716dbd6421c51ae4ba1fc64748587063736bb11045e4149f583002479c88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0848716dbd6421c51ae4ba1fc64748587063736bb11045e4149f583002479c88", kill_on_drop: false }`
[INFO] [stdout] 0848716dbd6421c51ae4ba1fc64748587063736bb11045e4149f583002479c88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fb226bff5b8d80cfad0ad6156215ca4d08c5d705d087aaf4634e656c699de8d
[INFO] running `Command { std: "docker" "start" "-a" "8fb226bff5b8d80cfad0ad6156215ca4d08c5d705d087aaf4634e656c699de8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling my_crate_iamlearningrustgfkdsldsfsdrrzeczeczeacrzrgrdsfgds v0.1.9001900190011337808 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]   --> src/lib.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 30 |     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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]   --> src/lib.rs:30:34
[INFO] [stdout]    |
[INFO] [stdout] 30 |     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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]   --> src/lib.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 30 |     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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]   --> src/lib.rs:30:34
[INFO] [stdout]    |
[INFO] [stdout] 30 |     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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "8fb226bff5b8d80cfad0ad6156215ca4d08c5d705d087aaf4634e656c699de8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fb226bff5b8d80cfad0ad6156215ca4d08c5d705d087aaf4634e656c699de8d", kill_on_drop: false }`
[INFO] [stdout] 8fb226bff5b8d80cfad0ad6156215ca4d08c5d705d087aaf4634e656c699de8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4e21fad14241ac4cac12f31fabd76fa093980c973702f6d63ae557bc990ff88e
[INFO] running `Command { std: "docker" "start" "-a" "4e21fad14241ac4cac12f31fabd76fa093980c973702f6d63ae557bc990ff88e", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `c1`
[INFO] [stderr]   --> src/lib.rs:30:16
[INFO] [stderr]    |
[INFO] [stderr] 30 |     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)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c2`
[INFO] [stderr]   --> src/lib.rs:30:34
[INFO] [stderr]    |
[INFO] [stderr] 30 |     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: `my_crate_iamlearningrustgfkdsldsfsdrrzeczeczeacrzrgrdsfgds` (lib) generated 2 warnings
[INFO] [stderr] warning: `my_crate_iamlearningrustgfkdsldsfsdrrzeczeczeacrzrgrdsfgds` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/my_crate_iamlearningrustgfkdsldsfsdrrzeczeczeacrzrgrdsfgds-6567515e54e9a1d7)
[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]      Running unittests (/opt/rustwide/target/debug/deps/my_crate_iamlearningrustgfkdsldsfsdrrzeczeczeacrzrgrdsfgds-d2272bfdb1842562)
[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 my_crate_iamlearningrustgfkdsldsfsdrrzeczeczeacrzrgrdsfgds
[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" "4e21fad14241ac4cac12f31fabd76fa093980c973702f6d63ae557bc990ff88e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e21fad14241ac4cac12f31fabd76fa093980c973702f6d63ae557bc990ff88e", kill_on_drop: false }`
[INFO] [stdout] 4e21fad14241ac4cac12f31fabd76fa093980c973702f6d63ae557bc990ff88e