[INFO] fetching crate macro_rules_attribute 0.0.1...
[INFO] testing macro_rules_attribute-0.0.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate macro_rules_attribute 0.0.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate macro_rules_attribute 0.0.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate macro_rules_attribute 0.0.1
[INFO] finished tweaking crates.io crate macro_rules_attribute 0.0.1
[INFO] tweaked toml for crates.io crate macro_rules_attribute 0.0.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0a77e31554b3e15b41117e1b5a9239a77c51eea16859e432bcab1bb527af8d7
[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" "e0a77e31554b3e15b41117e1b5a9239a77c51eea16859e432bcab1bb527af8d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0a77e31554b3e15b41117e1b5a9239a77c51eea16859e432bcab1bb527af8d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0a77e31554b3e15b41117e1b5a9239a77c51eea16859e432bcab1bb527af8d7", kill_on_drop: false }`
[INFO] [stdout] e0a77e31554b3e15b41117e1b5a9239a77c51eea16859e432bcab1bb527af8d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2cff9ff94c73134a6e4c86da66781129118efaa5cdf4bdcd27f377e74296933
[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" "e2cff9ff94c73134a6e4c86da66781129118efaa5cdf4bdcd27f377e74296933", kill_on_drop: false }`
[INFO] [stderr]    Compiling macro_rules_attribute-proc_macro v0.0.1
[INFO] [stderr]    Compiling macro_rules_attribute v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "e2cff9ff94c73134a6e4c86da66781129118efaa5cdf4bdcd27f377e74296933", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2cff9ff94c73134a6e4c86da66781129118efaa5cdf4bdcd27f377e74296933", kill_on_drop: false }`
[INFO] [stdout] e2cff9ff94c73134a6e4c86da66781129118efaa5cdf4bdcd27f377e74296933
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 9985a96dafab3f27f02c3f897d461bc102fd4bada2ce9719fb20f8d1a1c3cba0
[INFO] running `Command { std: "docker" "start" "-a" "9985a96dafab3f27f02c3f897d461bc102fd4bada2ce9719fb20f8d1a1c3cba0", kill_on_drop: false }`
[INFO] [stderr]    Compiling macro_rules_attribute v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "9985a96dafab3f27f02c3f897d461bc102fd4bada2ce9719fb20f8d1a1c3cba0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9985a96dafab3f27f02c3f897d461bc102fd4bada2ce9719fb20f8d1a1c3cba0", kill_on_drop: false }`
[INFO] [stdout] 9985a96dafab3f27f02c3f897d461bc102fd4bada2ce9719fb20f8d1a1c3cba0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f75ccf7148e9960c1d719b5cdf1ac8b0727438be67343fc9c829a4b177bc5abf
[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" "f75ccf7148e9960c1d719b5cdf1ac8b0727438be67343fc9c829a4b177bc5abf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/macro_rules_attribute-b2ec05395c6602d2
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests macro_rules_attribute
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f75ccf7148e9960c1d719b5cdf1ac8b0727438be67343fc9c829a4b177bc5abf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f75ccf7148e9960c1d719b5cdf1ac8b0727438be67343fc9c829a4b177bc5abf", kill_on_drop: false }`
[INFO] [stdout] f75ccf7148e9960c1d719b5cdf1ac8b0727438be67343fc9c829a4b177bc5abf