[INFO] fetching crate metaverse 0.0.1...
[INFO] testing metaverse-0.0.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate metaverse 0.0.1 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate metaverse 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 metaverse 0.0.1
[INFO] finished tweaking crates.io crate metaverse 0.0.1
[INFO] tweaked toml for crates.io crate metaverse 0.0.1 written to /workspace/builds/worker-17/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-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 831e0183a9c75ca61022573d97df3e1c1eb2af0970230ce19d50593cea4f5e7a
[INFO] running `Command { std: "docker" "start" "-a" "831e0183a9c75ca61022573d97df3e1c1eb2af0970230ce19d50593cea4f5e7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "831e0183a9c75ca61022573d97df3e1c1eb2af0970230ce19d50593cea4f5e7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "831e0183a9c75ca61022573d97df3e1c1eb2af0970230ce19d50593cea4f5e7a", kill_on_drop: false }`
[INFO] [stdout] 831e0183a9c75ca61022573d97df3e1c1eb2af0970230ce19d50593cea4f5e7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 62a3fb71c64fae0e219508af2537d749a80d66af82df6cb589f1ed085949d52b
[INFO] running `Command { std: "docker" "start" "-a" "62a3fb71c64fae0e219508af2537d749a80d66af82df6cb589f1ed085949d52b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling metaverse v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `count`
[INFO] [stdout]  --> src/utils/placeholder.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     count: i32,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` 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 0.56s
[INFO] running `Command { std: "docker" "inspect" "62a3fb71c64fae0e219508af2537d749a80d66af82df6cb589f1ed085949d52b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62a3fb71c64fae0e219508af2537d749a80d66af82df6cb589f1ed085949d52b", kill_on_drop: false }`
[INFO] [stdout] 62a3fb71c64fae0e219508af2537d749a80d66af82df6cb589f1ed085949d52b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 658a7dfe27fd016181da2336373088ece2e49b3a49d7870dd52067d43e06b91e
[INFO] running `Command { std: "docker" "start" "-a" "658a7dfe27fd016181da2336373088ece2e49b3a49d7870dd52067d43e06b91e", kill_on_drop: false }`
[INFO] [stdout] warning: field is never read: `count`
[INFO] [stdout]  --> src/utils/placeholder.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     count: i32,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling metaverse v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `count`
[INFO] [stdout]  --> src/utils/placeholder.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     count: i32,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` 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 0.47s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/metaverse-f811b82685644f9b)
[INFO] running `Command { std: "docker" "inspect" "658a7dfe27fd016181da2336373088ece2e49b3a49d7870dd52067d43e06b91e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "658a7dfe27fd016181da2336373088ece2e49b3a49d7870dd52067d43e06b91e", kill_on_drop: false }`
[INFO] [stdout] 658a7dfe27fd016181da2336373088ece2e49b3a49d7870dd52067d43e06b91e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] efa874e63c4d032db8b6d763dc02a635a8e98b230ac4a179aaede564d137ea06
[INFO] running `Command { std: "docker" "start" "-a" "efa874e63c4d032db8b6d763dc02a635a8e98b230ac4a179aaede564d137ea06", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `count`
[INFO] [stderr]  --> src/utils/placeholder.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     count: i32,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `metaverse` (lib) generated 1 warning
[INFO] [stderr] warning: `metaverse` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/metaverse-f811b82685644f9b)
[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 metaverse
[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" "efa874e63c4d032db8b6d763dc02a635a8e98b230ac4a179aaede564d137ea06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efa874e63c4d032db8b6d763dc02a635a8e98b230ac4a179aaede564d137ea06", kill_on_drop: false }`
[INFO] [stdout] efa874e63c4d032db8b6d763dc02a635a8e98b230ac4a179aaede564d137ea06