[INFO] fetching crate heartfelt 0.1.3...
[INFO] testing heartfelt-0.1.3 against 1.49.0 for beta-1.50-1
[INFO] extracting crate heartfelt 0.1.3 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate heartfelt 0.1.3 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 heartfelt 0.1.3
[INFO] finished tweaking crates.io crate heartfelt 0.1.3
[INFO] tweaked toml for crates.io crate heartfelt 0.1.3 written to /workspace/builds/worker-10/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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d50b724860c9b0b1a18c4b3e18bb7769518bb523dc0548dd9f4e3448cbed429
[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" "7d50b724860c9b0b1a18c4b3e18bb7769518bb523dc0548dd9f4e3448cbed429", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d50b724860c9b0b1a18c4b3e18bb7769518bb523dc0548dd9f4e3448cbed429", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d50b724860c9b0b1a18c4b3e18bb7769518bb523dc0548dd9f4e3448cbed429", kill_on_drop: false }`
[INFO] [stdout] 7d50b724860c9b0b1a18c4b3e18bb7769518bb523dc0548dd9f4e3448cbed429
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] eb370749fae48eb1486e35e608162220b03cba7ed703af1cdbc9e2944388b86b
[INFO] running `Command { std: "docker" "start" "-a" "eb370749fae48eb1486e35e608162220b03cba7ed703af1cdbc9e2944388b86b", kill_on_drop: false }`
[INFO] [stderr]    Compiling ahash v0.6.2
[INFO] [stderr]    Compiling regex-lexer v0.1.0
[INFO] [stderr]    Compiling heartfelt v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.58s
[INFO] running `Command { std: "docker" "inspect" "eb370749fae48eb1486e35e608162220b03cba7ed703af1cdbc9e2944388b86b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb370749fae48eb1486e35e608162220b03cba7ed703af1cdbc9e2944388b86b", kill_on_drop: false }`
[INFO] [stdout] eb370749fae48eb1486e35e608162220b03cba7ed703af1cdbc9e2944388b86b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d13a4912f6b89434873919acfc09bbed2eba16896937a826689053b20440a20
[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" "8d13a4912f6b89434873919acfc09bbed2eba16896937a826689053b20440a20", kill_on_drop: false }`
[INFO] [stderr]    Compiling heartfelt v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.20s
[INFO] running `Command { std: "docker" "inspect" "8d13a4912f6b89434873919acfc09bbed2eba16896937a826689053b20440a20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d13a4912f6b89434873919acfc09bbed2eba16896937a826689053b20440a20", kill_on_drop: false }`
[INFO] [stdout] 8d13a4912f6b89434873919acfc09bbed2eba16896937a826689053b20440a20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3a2d7c9dd8b9b7ad876bc4bae40ee4a5e096a4ee0ffd05a404e6c25ffb9edd12
[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" "3a2d7c9dd8b9b7ad876bc4bae40ee4a5e096a4ee0ffd05a404e6c25ffb9edd12", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/heartfelt-3e4deae4a7dfa087
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests heartfelt
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3a2d7c9dd8b9b7ad876bc4bae40ee4a5e096a4ee0ffd05a404e6c25ffb9edd12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a2d7c9dd8b9b7ad876bc4bae40ee4a5e096a4ee0ffd05a404e6c25ffb9edd12", kill_on_drop: false }`
[INFO] [stdout] 3a2d7c9dd8b9b7ad876bc4bae40ee4a5e096a4ee0ffd05a404e6c25ffb9edd12