[INFO] fetching crate dpkg-query-json 0.1.12...
[INFO] testing dpkg-query-json-0.1.12 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate dpkg-query-json 0.1.12 into /workspace/builds/worker-102/source
[INFO] validating manifest of crates.io crate dpkg-query-json 0.1.12 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 dpkg-query-json 0.1.12
[INFO] finished tweaking crates.io crate dpkg-query-json 0.1.12
[INFO] tweaked toml for crates.io crate dpkg-query-json 0.1.12 written to /workspace/builds/worker-102/source/Cargo.toml
[INFO] crate crates.io crate dpkg-query-json 0.1.12 already has a lockfile, it will not be regenerated
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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] d0a105c4ca2fcb3961042cdc68baadeff6a07df0f7545e28d05de56da5b22498
[INFO] running `Command { std: "docker" "start" "-a" "d0a105c4ca2fcb3961042cdc68baadeff6a07df0f7545e28d05de56da5b22498", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0a105c4ca2fcb3961042cdc68baadeff6a07df0f7545e28d05de56da5b22498", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0a105c4ca2fcb3961042cdc68baadeff6a07df0f7545e28d05de56da5b22498", kill_on_drop: false }`
[INFO] [stdout] d0a105c4ca2fcb3961042cdc68baadeff6a07df0f7545e28d05de56da5b22498
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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] 5e541291308af99bb0cc17539522153ec3ea5eef2930c73849d35394fc5f0d5e
[INFO] running `Command { std: "docker" "start" "-a" "5e541291308af99bb0cc17539522153ec3ea5eef2930c73849d35394fc5f0d5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling dpkg-query-json v0.1.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/lib.rs:166:13
[INFO] [stdout]     |
[INFO] [stdout] 166 |             &data_json.insert(split_line[0].to_string(), Value::from(d));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 166 |             let _ = &data_json.insert(split_line[0].to_string(), Value::from(d));
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.71s
[INFO] running `Command { std: "docker" "inspect" "5e541291308af99bb0cc17539522153ec3ea5eef2930c73849d35394fc5f0d5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e541291308af99bb0cc17539522153ec3ea5eef2930c73849d35394fc5f0d5e", kill_on_drop: false }`
[INFO] [stdout] 5e541291308af99bb0cc17539522153ec3ea5eef2930c73849d35394fc5f0d5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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] ec722a012bab4139afd5474795f96aba2f58ef5cc90d5d84ab293231a8ed8ecf
[INFO] running `Command { std: "docker" "start" "-a" "ec722a012bab4139afd5474795f96aba2f58ef5cc90d5d84ab293231a8ed8ecf", kill_on_drop: false }`
[INFO] [stderr]    Compiling dpkg-query-json v0.1.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/lib.rs:166:13
[INFO] [stdout]     |
[INFO] [stdout] 166 |             &data_json.insert(split_line[0].to_string(), Value::from(d));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 166 |             let _ = &data_json.insert(split_line[0].to_string(), Value::from(d));
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/lib.rs:166:13
[INFO] [stdout]     |
[INFO] [stdout] 166 |             &data_json.insert(split_line[0].to_string(), Value::from(d));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 166 |             let _ = &data_json.insert(split_line[0].to_string(), Value::from(d));
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/dpkg_query_json-00aa4c2b21d6129a)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/dpkg_query_json-1842848fea6ed589)
[INFO] running `Command { std: "docker" "inspect" "ec722a012bab4139afd5474795f96aba2f58ef5cc90d5d84ab293231a8ed8ecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec722a012bab4139afd5474795f96aba2f58ef5cc90d5d84ab293231a8ed8ecf", kill_on_drop: false }`
[INFO] [stdout] ec722a012bab4139afd5474795f96aba2f58ef5cc90d5d84ab293231a8ed8ecf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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] 1d70ae69ee67d855509b18628df68e43596097623550958638a0e03f55b2ab77
[INFO] running `Command { std: "docker" "start" "-a" "1d70ae69ee67d855509b18628df68e43596097623550958638a0e03f55b2ab77", kill_on_drop: false }`
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/lib.rs:166:13
[INFO] [stderr]     |
[INFO] [stderr] 166 |             &data_json.insert(split_line[0].to_string(), Value::from(d));
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 166 |             let _ = &data_json.insert(split_line[0].to_string(), Value::from(d));
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `dpkg-query-json` (lib) generated 1 warning
[INFO] [stderr] warning: `dpkg-query-json` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dpkg_query_json-00aa4c2b21d6129a)
[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 src/main.rs (/opt/rustwide/target/debug/deps/dpkg_query_json-1842848fea6ed589)
[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 dpkg-query-json
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 34) ... ok
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1d70ae69ee67d855509b18628df68e43596097623550958638a0e03f55b2ab77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d70ae69ee67d855509b18628df68e43596097623550958638a0e03f55b2ab77", kill_on_drop: false }`
[INFO] [stdout] 1d70ae69ee67d855509b18628df68e43596097623550958638a0e03f55b2ab77