[INFO] fetching crate unjumble 0.0.1...
[INFO] testing unjumble-0.0.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate unjumble 0.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate unjumble 0.0.1 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 unjumble 0.0.1
[INFO] finished tweaking crates.io crate unjumble 0.0.1
[INFO] tweaked toml for crates.io crate unjumble 0.0.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] f485a8374d65af169a8ae10e05e10e0cab12c9aa7208c5c3f20b4efa53c7b77c
[INFO] running `Command { std: "docker" "start" "-a" "f485a8374d65af169a8ae10e05e10e0cab12c9aa7208c5c3f20b4efa53c7b77c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f485a8374d65af169a8ae10e05e10e0cab12c9aa7208c5c3f20b4efa53c7b77c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f485a8374d65af169a8ae10e05e10e0cab12c9aa7208c5c3f20b4efa53c7b77c", kill_on_drop: false }`
[INFO] [stdout] f485a8374d65af169a8ae10e05e10e0cab12c9aa7208c5c3f20b4efa53c7b77c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] dd2fdf049bf475ca6d88315009a34d39c3395d84af704402275d04dd3bdfaa21
[INFO] running `Command { std: "docker" "start" "-a" "dd2fdf049bf475ca6d88315009a34d39c3395d84af704402275d04dd3bdfaa21", kill_on_drop: false }`
[INFO] [stderr]    Compiling unjumble v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `jumbled`
[INFO] [stdout]   --> src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let jumbled = "tinsel";
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_jumbled`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "dd2fdf049bf475ca6d88315009a34d39c3395d84af704402275d04dd3bdfaa21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd2fdf049bf475ca6d88315009a34d39c3395d84af704402275d04dd3bdfaa21", kill_on_drop: false }`
[INFO] [stdout] dd2fdf049bf475ca6d88315009a34d39c3395d84af704402275d04dd3bdfaa21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] da327dbb3c2ef2cb4ea8ede671db483298724b674200964d0bc25c21a57f9b69
[INFO] running `Command { std: "docker" "start" "-a" "da327dbb3c2ef2cb4ea8ede671db483298724b674200964d0bc25c21a57f9b69", kill_on_drop: false }`
[INFO] [stderr]    Compiling unjumble v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `jumbled`
[INFO] [stdout]   --> src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let jumbled = "tinsel";
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_jumbled`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "da327dbb3c2ef2cb4ea8ede671db483298724b674200964d0bc25c21a57f9b69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da327dbb3c2ef2cb4ea8ede671db483298724b674200964d0bc25c21a57f9b69", kill_on_drop: false }`
[INFO] [stdout] da327dbb3c2ef2cb4ea8ede671db483298724b674200964d0bc25c21a57f9b69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 472e6b684d01a511266febd46ff9f0586370369073d34fc13c07e786665d03a9
[INFO] running `Command { std: "docker" "start" "-a" "472e6b684d01a511266febd46ff9f0586370369073d34fc13c07e786665d03a9", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `jumbled`
[INFO] [stderr]   --> src/main.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let jumbled = "tinsel";
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_jumbled`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `unjumble` (bin "unjumble" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/unjumble-74d2d65d41c09ba4)
[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" "472e6b684d01a511266febd46ff9f0586370369073d34fc13c07e786665d03a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "472e6b684d01a511266febd46ff9f0586370369073d34fc13c07e786665d03a9", kill_on_drop: false }`
[INFO] [stdout] 472e6b684d01a511266febd46ff9f0586370369073d34fc13c07e786665d03a9