[INFO] fetching crate devault 0.1.0...
[INFO] testing devault-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate devault 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate devault 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate devault 0.1.0
[INFO] finished tweaking crates.io crate devault 0.1.0
[INFO] tweaked toml for crates.io crate devault 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6dd79888b8d2e221b3ea8c3881ed7ec8261b31163fa42a000103bcfe52499ab5
[INFO] running `Command { std: "docker" "start" "-a" "6dd79888b8d2e221b3ea8c3881ed7ec8261b31163fa42a000103bcfe52499ab5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6dd79888b8d2e221b3ea8c3881ed7ec8261b31163fa42a000103bcfe52499ab5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dd79888b8d2e221b3ea8c3881ed7ec8261b31163fa42a000103bcfe52499ab5", kill_on_drop: false }`
[INFO] [stdout] 6dd79888b8d2e221b3ea8c3881ed7ec8261b31163fa42a000103bcfe52499ab5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72587a588735f7e123e53c79035aeb4a70aac87ae8c684db6ede8ebd791e0ab7
[INFO] running `Command { std: "docker" "start" "-a" "72587a588735f7e123e53c79035aeb4a70aac87ae8c684db6ede8ebd791e0ab7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling devault v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.94s
[INFO] running `Command { std: "docker" "inspect" "72587a588735f7e123e53c79035aeb4a70aac87ae8c684db6ede8ebd791e0ab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72587a588735f7e123e53c79035aeb4a70aac87ae8c684db6ede8ebd791e0ab7", kill_on_drop: false }`
[INFO] [stdout] 72587a588735f7e123e53c79035aeb4a70aac87ae8c684db6ede8ebd791e0ab7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46cf51fe2d8732a23d592440507d09b94771ebc18d1a14248a8e459828aefcef
[INFO] running `Command { std: "docker" "start" "-a" "46cf51fe2d8732a23d592440507d09b94771ebc18d1a14248a8e459828aefcef", kill_on_drop: false }`
[INFO] [stderr]    Compiling devault v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `b`
[INFO] [stdout]   --> tests/test_struct.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         b: i64,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Qux` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> tests/test_struct.rs:24:14
[INFO] [stdout]    |
[INFO] [stdout] 24 |     #[derive(Debug, Default)]
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "46cf51fe2d8732a23d592440507d09b94771ebc18d1a14248a8e459828aefcef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46cf51fe2d8732a23d592440507d09b94771ebc18d1a14248a8e459828aefcef", kill_on_drop: false }`
[INFO] [stdout] 46cf51fe2d8732a23d592440507d09b94771ebc18d1a14248a8e459828aefcef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 113a1e67ec8a7b5834b9e20178aa01f9d10f4c832886e90f7d93ee5ae869ec83
[INFO] running `Command { std: "docker" "start" "-a" "113a1e67ec8a7b5834b9e20178aa01f9d10f4c832886e90f7d93ee5ae869ec83", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `b`
[INFO] [stderr]   --> tests/test_struct.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         b: i64,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `Qux` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> tests/test_struct.rs:24:14
[INFO] [stderr]    |
[INFO] [stderr] 24 |     #[derive(Debug, Default)]
[INFO] [stderr]    |              ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `devault` (test "test_struct") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/devault-d5059b0524860359)
[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 tests/test_enum.rs (/opt/rustwide/target/debug/deps/test_enum-63fe1b4a1c8b155e)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_attr ... ok
[INFO] [stdout] test test_nested_attrs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_struct.rs (/opt/rustwide/target/debug/deps/test_struct-d6303fcb73efe5c3)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_attr ... ok
[INFO] [stdout] test test_nested_attrs ... ok
[INFO] [stdout] test test_no_attr ... ok
[INFO] [stdout] test test_unit ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests devault
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 40) ... ok
[INFO] [stdout] test src/lib.rs - (line 58) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "113a1e67ec8a7b5834b9e20178aa01f9d10f4c832886e90f7d93ee5ae869ec83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "113a1e67ec8a7b5834b9e20178aa01f9d10f4c832886e90f7d93ee5ae869ec83", kill_on_drop: false }`
[INFO] [stdout] 113a1e67ec8a7b5834b9e20178aa01f9d10f4c832886e90f7d93ee5ae869ec83