[INFO] fetching crate unjumble 0.0.1...
[INFO] testing unjumble-0.0.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate unjumble 0.0.1 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate unjumble 0.0.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-20/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a10ca3ba1108694cc386f6f46c655beb13877f11815fe09910840221a88e6ed6
[INFO] running `Command { std: "docker" "start" "-a" "a10ca3ba1108694cc386f6f46c655beb13877f11815fe09910840221a88e6ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a10ca3ba1108694cc386f6f46c655beb13877f11815fe09910840221a88e6ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a10ca3ba1108694cc386f6f46c655beb13877f11815fe09910840221a88e6ed6", kill_on_drop: false }`
[INFO] [stdout] a10ca3ba1108694cc386f6f46c655beb13877f11815fe09910840221a88e6ed6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2af61a2fdff239509c14ba8a525a32bbf0ab91e2a0947dc188e47fdadcfe5409
[INFO] running `Command { std: "docker" "start" "-a" "2af61a2fdff239509c14ba8a525a32bbf0ab91e2a0947dc188e47fdadcfe5409", 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 0.69s
[INFO] running `Command { std: "docker" "inspect" "2af61a2fdff239509c14ba8a525a32bbf0ab91e2a0947dc188e47fdadcfe5409", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2af61a2fdff239509c14ba8a525a32bbf0ab91e2a0947dc188e47fdadcfe5409", kill_on_drop: false }`
[INFO] [stdout] 2af61a2fdff239509c14ba8a525a32bbf0ab91e2a0947dc188e47fdadcfe5409
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d44b2c73ae9967ec498a7619288f4caa5a5b664f7fb4c666e65d4af9696ddfd
[INFO] running `Command { std: "docker" "start" "-a" "1d44b2c73ae9967ec498a7619288f4caa5a5b664f7fb4c666e65d4af9696ddfd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/unjumble-74d2d65d41c09ba4)
[INFO] running `Command { std: "docker" "inspect" "1d44b2c73ae9967ec498a7619288f4caa5a5b664f7fb4c666e65d4af9696ddfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d44b2c73ae9967ec498a7619288f4caa5a5b664f7fb4c666e65d4af9696ddfd", kill_on_drop: false }`
[INFO] [stdout] 1d44b2c73ae9967ec498a7619288f4caa5a5b664f7fb4c666e65d4af9696ddfd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0d29a24d8b380c6534cd71ed03953b0d24cba45a3185805ee9e2e5c0f059021a
[INFO] running `Command { std: "docker" "start" "-a" "0d29a24d8b380c6534cd71ed03953b0d24cba45a3185805ee9e2e5c0f059021a", 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 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/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" "0d29a24d8b380c6534cd71ed03953b0d24cba45a3185805ee9e2e5c0f059021a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d29a24d8b380c6534cd71ed03953b0d24cba45a3185805ee9e2e5c0f059021a", kill_on_drop: false }`
[INFO] [stdout] 0d29a24d8b380c6534cd71ed03953b0d24cba45a3185805ee9e2e5c0f059021a