[INFO] fetching crate snapshot-proc-macro 0.1.0...
[INFO] testing snapshot-proc-macro-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate snapshot-proc-macro 0.1.0 into /workspace/builds/worker-49/source
[INFO] validating manifest of crates.io crate snapshot-proc-macro 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate snapshot-proc-macro 0.1.0
[INFO] finished tweaking crates.io crate snapshot-proc-macro 0.1.0
[INFO] tweaked toml for crates.io crate snapshot-proc-macro 0.1.0 written to /workspace/builds/worker-49/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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" "+beta-2021-09-08" "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-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf519e7191268fa89c804596145688aaf596740a76ef8a99da1419e51971ef17
[INFO] running `Command { std: "docker" "start" "-a" "cf519e7191268fa89c804596145688aaf596740a76ef8a99da1419e51971ef17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf519e7191268fa89c804596145688aaf596740a76ef8a99da1419e51971ef17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf519e7191268fa89c804596145688aaf596740a76ef8a99da1419e51971ef17", kill_on_drop: false }`
[INFO] [stdout] cf519e7191268fa89c804596145688aaf596740a76ef8a99da1419e51971ef17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52c8b6d5bfe11948412e591017e904c0231617cd936dc27b0b9f3d0a7d0bc133
[INFO] running `Command { std: "docker" "start" "-a" "52c8b6d5bfe11948412e591017e904c0231617cd936dc27b0b9f3d0a7d0bc133", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling snapshot-proc-macro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.37s
[INFO] running `Command { std: "docker" "inspect" "52c8b6d5bfe11948412e591017e904c0231617cd936dc27b0b9f3d0a7d0bc133", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52c8b6d5bfe11948412e591017e904c0231617cd936dc27b0b9f3d0a7d0bc133", kill_on_drop: false }`
[INFO] [stdout] 52c8b6d5bfe11948412e591017e904c0231617cd936dc27b0b9f3d0a7d0bc133
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69cf5f3f5b021e8b3a25bfcd81a44467db1e94b1a71314868e4327f12d26279d
[INFO] running `Command { std: "docker" "start" "-a" "69cf5f3f5b021e8b3a25bfcd81a44467db1e94b1a71314868e4327f12d26279d", kill_on_drop: false }`
[INFO] [stderr]    Compiling snapshot-proc-macro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "69cf5f3f5b021e8b3a25bfcd81a44467db1e94b1a71314868e4327f12d26279d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69cf5f3f5b021e8b3a25bfcd81a44467db1e94b1a71314868e4327f12d26279d", kill_on_drop: false }`
[INFO] [stdout] 69cf5f3f5b021e8b3a25bfcd81a44467db1e94b1a71314868e4327f12d26279d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cc0ba90daae672428adce589a1bf8b5efe775c706cec564813346200c2ca2777
[INFO] running `Command { std: "docker" "start" "-a" "cc0ba90daae672428adce589a1bf8b5efe775c706cec564813346200c2ca2777", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/snapshot_proc_macro-c1fbd5a468c7a246)
[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 snapshot-proc-macro
[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" "cc0ba90daae672428adce589a1bf8b5efe775c706cec564813346200c2ca2777", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc0ba90daae672428adce589a1bf8b5efe775c706cec564813346200c2ca2777", kill_on_drop: false }`
[INFO] [stdout] cc0ba90daae672428adce589a1bf8b5efe775c706cec564813346200c2ca2777