[INFO] fetching crate macro_helper 0.1.6...
[INFO] testing macro_helper-0.1.6 against 1.55.0 for beta-1.56-1
[INFO] extracting crate macro_helper 0.1.6 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate macro_helper 0.1.6 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 macro_helper 0.1.6
[INFO] finished tweaking crates.io crate macro_helper 0.1.6
[INFO] tweaked toml for crates.io crate macro_helper 0.1.6 written to /workspace/builds/worker-3/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 09bb5641e106533fa9fc13d278fd4c3329076f56e3ff597c1166cc40cad361f9
[INFO] running `Command { std: "docker" "start" "-a" "09bb5641e106533fa9fc13d278fd4c3329076f56e3ff597c1166cc40cad361f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09bb5641e106533fa9fc13d278fd4c3329076f56e3ff597c1166cc40cad361f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09bb5641e106533fa9fc13d278fd4c3329076f56e3ff597c1166cc40cad361f9", kill_on_drop: false }`
[INFO] [stdout] 09bb5641e106533fa9fc13d278fd4c3329076f56e3ff597c1166cc40cad361f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b26f4755e56631e22551753b7d61a984e04854e116c3b2bb1abc02ac36e00105
[INFO] running `Command { std: "docker" "start" "-a" "b26f4755e56631e22551753b7d61a984e04854e116c3b2bb1abc02ac36e00105", kill_on_drop: false }`
[INFO] [stderr]    Compiling macro_helper v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.72s
[INFO] running `Command { std: "docker" "inspect" "b26f4755e56631e22551753b7d61a984e04854e116c3b2bb1abc02ac36e00105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b26f4755e56631e22551753b7d61a984e04854e116c3b2bb1abc02ac36e00105", kill_on_drop: false }`
[INFO] [stdout] b26f4755e56631e22551753b7d61a984e04854e116c3b2bb1abc02ac36e00105
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1b7dfc93f7b70561679ea4d1128a4df30d617a02cff2cdc500f083815d2ea52f
[INFO] running `Command { std: "docker" "start" "-a" "1b7dfc93f7b70561679ea4d1128a4df30d617a02cff2cdc500f083815d2ea52f", kill_on_drop: false }`
[INFO] [stderr]    Compiling macro_helper v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "1b7dfc93f7b70561679ea4d1128a4df30d617a02cff2cdc500f083815d2ea52f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b7dfc93f7b70561679ea4d1128a4df30d617a02cff2cdc500f083815d2ea52f", kill_on_drop: false }`
[INFO] [stdout] 1b7dfc93f7b70561679ea4d1128a4df30d617a02cff2cdc500f083815d2ea52f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 4b6312e8af52067236b3bf4b74ab00e1e46388d273291359acfdf26346cef7a6
[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" "4b6312e8af52067236b3bf4b74ab00e1e46388d273291359acfdf26346cef7a6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/macro_helper-4a03bdfccbf9bb2c)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests macro_helper
[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 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" "4b6312e8af52067236b3bf4b74ab00e1e46388d273291359acfdf26346cef7a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b6312e8af52067236b3bf4b74ab00e1e46388d273291359acfdf26346cef7a6", kill_on_drop: false }`
[INFO] [stdout] 4b6312e8af52067236b3bf4b74ab00e1e46388d273291359acfdf26346cef7a6