[INFO] fetching crate flag-mast-derive 0.2.1...
[INFO] testing flag-mast-derive-0.2.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate flag-mast-derive 0.2.1 into /workspace/builds/worker-92/source
[INFO] validating manifest of crates.io crate flag-mast-derive 0.2.1 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 flag-mast-derive 0.2.1
[INFO] finished tweaking crates.io crate flag-mast-derive 0.2.1
[INFO] tweaked toml for crates.io crate flag-mast-derive 0.2.1 written to /workspace/builds/worker-92/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] [stderr]     Blocking waiting for file lock on package cache
[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-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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] f30210540097e3de20e7cc8e71c18ba4d09a550f631c9d034937d632a552139c
[INFO] running `Command { std: "docker" "start" "-a" "f30210540097e3de20e7cc8e71c18ba4d09a550f631c9d034937d632a552139c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f30210540097e3de20e7cc8e71c18ba4d09a550f631c9d034937d632a552139c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f30210540097e3de20e7cc8e71c18ba4d09a550f631c9d034937d632a552139c", kill_on_drop: false }`
[INFO] [stdout] f30210540097e3de20e7cc8e71c18ba4d09a550f631c9d034937d632a552139c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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] 62b2d1838bf4291e1f3be5b68c92b961095e695de0c8f8466e562801af0e3922
[INFO] running `Command { std: "docker" "start" "-a" "62b2d1838bf4291e1f3be5b68c92b961095e695de0c8f8466e562801af0e3922", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling flag-mast-derive v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.10s
[INFO] running `Command { std: "docker" "inspect" "62b2d1838bf4291e1f3be5b68c92b961095e695de0c8f8466e562801af0e3922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62b2d1838bf4291e1f3be5b68c92b961095e695de0c8f8466e562801af0e3922", kill_on_drop: false }`
[INFO] [stdout] 62b2d1838bf4291e1f3be5b68c92b961095e695de0c8f8466e562801af0e3922
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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] 44b7fd3f3be0bcc3142e46bf53cab6275353d982e01087d9eda85462f19b68f0
[INFO] running `Command { std: "docker" "start" "-a" "44b7fd3f3be0bcc3142e46bf53cab6275353d982e01087d9eda85462f19b68f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling flag-mast-derive v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/flag_mast_derive-bb2778a86b550566)
[INFO] running `Command { std: "docker" "inspect" "44b7fd3f3be0bcc3142e46bf53cab6275353d982e01087d9eda85462f19b68f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44b7fd3f3be0bcc3142e46bf53cab6275353d982e01087d9eda85462f19b68f0", kill_on_drop: false }`
[INFO] [stdout] 44b7fd3f3be0bcc3142e46bf53cab6275353d982e01087d9eda85462f19b68f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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] b947500eec73ef4068f4591c4b8ac16aec7994283ca51179fe7292dfcfd6b7e4
[INFO] running `Command { std: "docker" "start" "-a" "b947500eec73ef4068f4591c4b8ac16aec7994283ca51179fe7292dfcfd6b7e4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/flag_mast_derive-bb2778a86b550566)
[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 flag-mast-derive
[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" "b947500eec73ef4068f4591c4b8ac16aec7994283ca51179fe7292dfcfd6b7e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b947500eec73ef4068f4591c4b8ac16aec7994283ca51179fe7292dfcfd6b7e4", kill_on_drop: false }`
[INFO] [stdout] b947500eec73ef4068f4591c4b8ac16aec7994283ca51179fe7292dfcfd6b7e4