[INFO] fetching crate debug-helper 0.3.10...
[INFO] testing debug-helper-0.3.10 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate debug-helper 0.3.10 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate debug-helper 0.3.10 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate debug-helper 0.3.10
[INFO] finished tweaking crates.io crate debug-helper 0.3.10
[INFO] tweaked toml for crates.io crate debug-helper 0.3.10 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate debug-helper 0.3.10 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-01-01" "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] 85641f47fb55abd6182a16a3fd0d6fd0687c0c9d0ffcabaab88ecd46d79bd309
[INFO] running `Command { std: "docker" "start" "-a" "85641f47fb55abd6182a16a3fd0d6fd0687c0c9d0ffcabaab88ecd46d79bd309", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85641f47fb55abd6182a16a3fd0d6fd0687c0c9d0ffcabaab88ecd46d79bd309", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85641f47fb55abd6182a16a3fd0d6fd0687c0c9d0ffcabaab88ecd46d79bd309", kill_on_drop: false }`
[INFO] [stdout] 85641f47fb55abd6182a16a3fd0d6fd0687c0c9d0ffcabaab88ecd46d79bd309
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e698503059a1c92171f48dbe3ba1bb05120e3b32d8dcf22bf5111b8a36622e3b
[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" "e698503059a1c92171f48dbe3ba1bb05120e3b32d8dcf22bf5111b8a36622e3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling debug-helper v0.3.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "e698503059a1c92171f48dbe3ba1bb05120e3b32d8dcf22bf5111b8a36622e3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e698503059a1c92171f48dbe3ba1bb05120e3b32d8dcf22bf5111b8a36622e3b", kill_on_drop: false }`
[INFO] [stdout] e698503059a1c92171f48dbe3ba1bb05120e3b32d8dcf22bf5111b8a36622e3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca9f4ff38590e4ef8316823e28fb14aeef44a372da53de0b39cfc909ba701298
[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" "ca9f4ff38590e4ef8316823e28fb14aeef44a372da53de0b39cfc909ba701298", kill_on_drop: false }`
[INFO] [stderr]    Compiling debug-helper v0.3.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "ca9f4ff38590e4ef8316823e28fb14aeef44a372da53de0b39cfc909ba701298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca9f4ff38590e4ef8316823e28fb14aeef44a372da53de0b39cfc909ba701298", kill_on_drop: false }`
[INFO] [stdout] ca9f4ff38590e4ef8316823e28fb14aeef44a372da53de0b39cfc909ba701298
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-01-01" "test" "--frozen", 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] 04d695b97677e622d85b664202703421b19038426a7ba674a67bab6d98f24d4f
[INFO] running `Command { std: "docker" "start" "-a" "04d695b97677e622d85b664202703421b19038426a7ba674a67bab6d98f24d4f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/debug_helper-ebd3085cabac18bf
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests debug-helper
[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] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - (line 261) ... ok
[INFO] [stdout] test src/lib.rs - (line 233) ... ok
[INFO] [stdout] test src/lib.rs - (line 205) ... ok
[INFO] [stdout] test src/lib.rs - (line 121) ... ok
[INFO] [stdout] test src/lib.rs - (line 171) ... ok
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] test src/lib.rs - (line 73) ... ok
[INFO] [stdout] test src/lib.rs - (line 46) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "04d695b97677e622d85b664202703421b19038426a7ba674a67bab6d98f24d4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04d695b97677e622d85b664202703421b19038426a7ba674a67bab6d98f24d4f", kill_on_drop: false }`
[INFO] [stdout] 04d695b97677e622d85b664202703421b19038426a7ba674a67bab6d98f24d4f