[INFO] fetching crate audiotags-dev-macro 0.1.4...
[INFO] testing audiotags-dev-macro-0.1.4 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate audiotags-dev-macro 0.1.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate audiotags-dev-macro 0.1.4 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 audiotags-dev-macro 0.1.4
[INFO] finished tweaking crates.io crate audiotags-dev-macro 0.1.4
[INFO] tweaked toml for crates.io crate audiotags-dev-macro 0.1.4 written to /workspace/builds/worker-7/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d34fdce7150ce46455718be2bf2ad707543403681b7ddc6b9e914b14e5dbf8ef
[INFO] running `Command { std: "docker" "start" "-a" "d34fdce7150ce46455718be2bf2ad707543403681b7ddc6b9e914b14e5dbf8ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d34fdce7150ce46455718be2bf2ad707543403681b7ddc6b9e914b14e5dbf8ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d34fdce7150ce46455718be2bf2ad707543403681b7ddc6b9e914b14e5dbf8ef", kill_on_drop: false }`
[INFO] [stdout] d34fdce7150ce46455718be2bf2ad707543403681b7ddc6b9e914b14e5dbf8ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e2ec567c34ae441517c9ddf199fa80c89ba39f95294f9717c7c3f118e98539bd
[INFO] running `Command { std: "docker" "start" "-a" "e2ec567c34ae441517c9ddf199fa80c89ba39f95294f9717c7c3f118e98539bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling audiotags-dev-macro v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "e2ec567c34ae441517c9ddf199fa80c89ba39f95294f9717c7c3f118e98539bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2ec567c34ae441517c9ddf199fa80c89ba39f95294f9717c7c3f118e98539bd", kill_on_drop: false }`
[INFO] [stdout] e2ec567c34ae441517c9ddf199fa80c89ba39f95294f9717c7c3f118e98539bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e3edf180d14f170cb07294f88ec27621a081adc05aa2ea52a65f5a003d9cad2f
[INFO] running `Command { std: "docker" "start" "-a" "e3edf180d14f170cb07294f88ec27621a081adc05aa2ea52a65f5a003d9cad2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling audiotags-dev-macro v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "e3edf180d14f170cb07294f88ec27621a081adc05aa2ea52a65f5a003d9cad2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3edf180d14f170cb07294f88ec27621a081adc05aa2ea52a65f5a003d9cad2f", kill_on_drop: false }`
[INFO] [stdout] e3edf180d14f170cb07294f88ec27621a081adc05aa2ea52a65f5a003d9cad2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 20c67842c51361d79d57408c3719c44c312706c51f625a75eae091a80f083cf6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "20c67842c51361d79d57408c3719c44c312706c51f625a75eae091a80f083cf6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/audiotags_dev_macro-6bf56d5d19e7ffed)
[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 audiotags-dev-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" "20c67842c51361d79d57408c3719c44c312706c51f625a75eae091a80f083cf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20c67842c51361d79d57408c3719c44c312706c51f625a75eae091a80f083cf6", kill_on_drop: false }`
[INFO] [stdout] 20c67842c51361d79d57408c3719c44c312706c51f625a75eae091a80f083cf6