[INFO] fetching crate skyline_macro 0.1.0...
[INFO] testing skyline_macro-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate skyline_macro 0.1.0 into /workspace/builds/worker-43/source
[INFO] validating manifest of crates.io crate skyline_macro 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate skyline_macro 0.1.0
[INFO] finished tweaking crates.io crate skyline_macro 0.1.0
[INFO] tweaked toml for crates.io crate skyline_macro 0.1.0 written to /workspace/builds/worker-43/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f5242122c9a76d859c38dba0bf4841c4b7f699a7f1a15bb1113b090122317ab
[INFO] running `Command { std: "docker" "start" "-a" "6f5242122c9a76d859c38dba0bf4841c4b7f699a7f1a15bb1113b090122317ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f5242122c9a76d859c38dba0bf4841c4b7f699a7f1a15bb1113b090122317ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f5242122c9a76d859c38dba0bf4841c4b7f699a7f1a15bb1113b090122317ab", kill_on_drop: false }`
[INFO] [stdout] 6f5242122c9a76d859c38dba0bf4841c4b7f699a7f1a15bb1113b090122317ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 319bf4be673d48245ca0a73d68000269d7c2573d6013e142314a74f26e2e21b8
[INFO] running `Command { std: "docker" "start" "-a" "319bf4be673d48245ca0a73d68000269d7c2573d6013e142314a74f26e2e21b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling skyline_macro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.93s
[INFO] running `Command { std: "docker" "inspect" "319bf4be673d48245ca0a73d68000269d7c2573d6013e142314a74f26e2e21b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "319bf4be673d48245ca0a73d68000269d7c2573d6013e142314a74f26e2e21b8", kill_on_drop: false }`
[INFO] [stdout] 319bf4be673d48245ca0a73d68000269d7c2573d6013e142314a74f26e2e21b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15b4a59071f112552d4eb24f5d43dcd67512c0b6f3a75e7bb29a2becd9574184
[INFO] running `Command { std: "docker" "start" "-a" "15b4a59071f112552d4eb24f5d43dcd67512c0b6f3a75e7bb29a2becd9574184", kill_on_drop: false }`
[INFO] [stderr]    Compiling skyline_macro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "15b4a59071f112552d4eb24f5d43dcd67512c0b6f3a75e7bb29a2becd9574184", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15b4a59071f112552d4eb24f5d43dcd67512c0b6f3a75e7bb29a2becd9574184", kill_on_drop: false }`
[INFO] [stdout] 15b4a59071f112552d4eb24f5d43dcd67512c0b6f3a75e7bb29a2becd9574184
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1d8c4bdefdda3d8a0b96034ae8adae4bffe508560c8a21c963676f6aca1fcd25
[INFO] running `Command { std: "docker" "start" "-a" "1d8c4bdefdda3d8a0b96034ae8adae4bffe508560c8a21c963676f6aca1fcd25", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.59s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/skyline_macro-35dac08de7eef127)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests skyline_macro
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stdout] test src/lib.rs - null_check (line 279) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - null_check (line 279) stdout ----
[INFO] [stdout] error: cannot find attribute `null_check` in this scope
[INFO] [stdout]  --> src/lib.rs:280:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[null_check]
[INFO] [stdout]   |   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - null_check (line 279)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1d8c4bdefdda3d8a0b96034ae8adae4bffe508560c8a21c963676f6aca1fcd25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d8c4bdefdda3d8a0b96034ae8adae4bffe508560c8a21c963676f6aca1fcd25", kill_on_drop: false }`
[INFO] [stdout] 1d8c4bdefdda3d8a0b96034ae8adae4bffe508560c8a21c963676f6aca1fcd25