[INFO] fetching crate error-bender 0.1.0...
[INFO] testing error-bender-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate error-bender 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate error-bender 0.1.0 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 error-bender 0.1.0
[INFO] finished tweaking crates.io crate error-bender 0.1.0
[INFO] tweaked toml for crates.io crate error-bender 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate error-bender 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 8855e5c26371acc7c9b92c936a087a1e1be2c0c72e2b26179cc6d2e5ceaeedd7
[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" "8855e5c26371acc7c9b92c936a087a1e1be2c0c72e2b26179cc6d2e5ceaeedd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8855e5c26371acc7c9b92c936a087a1e1be2c0c72e2b26179cc6d2e5ceaeedd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8855e5c26371acc7c9b92c936a087a1e1be2c0c72e2b26179cc6d2e5ceaeedd7", kill_on_drop: false }`
[INFO] [stdout] 8855e5c26371acc7c9b92c936a087a1e1be2c0c72e2b26179cc6d2e5ceaeedd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] ed129571656a660af7eca2adb4df92aae3f140304cd411c5e7559997d26c94d3
[INFO] running `Command { std: "docker" "start" "-a" "ed129571656a660af7eca2adb4df92aae3f140304cd411c5e7559997d26c94d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling error-bender v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "ed129571656a660af7eca2adb4df92aae3f140304cd411c5e7559997d26c94d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed129571656a660af7eca2adb4df92aae3f140304cd411c5e7559997d26c94d3", kill_on_drop: false }`
[INFO] [stdout] ed129571656a660af7eca2adb4df92aae3f140304cd411c5e7559997d26c94d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 1b1fa69e21743a71702125bfb5063805a7d78d7eeb15f9d7ffb6047a4c7c1222
[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" "1b1fa69e21743a71702125bfb5063805a7d78d7eeb15f9d7ffb6047a4c7c1222", kill_on_drop: false }`
[INFO] [stderr]    Compiling error-bender v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "1b1fa69e21743a71702125bfb5063805a7d78d7eeb15f9d7ffb6047a4c7c1222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b1fa69e21743a71702125bfb5063805a7d78d7eeb15f9d7ffb6047a4c7c1222", kill_on_drop: false }`
[INFO] [stdout] 1b1fa69e21743a71702125bfb5063805a7d78d7eeb15f9d7ffb6047a4c7c1222
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 2312eddf5bc6ab409b7784692da3e8fefdec7d70ac9dbe41be5fc247db597cb6
[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" "2312eddf5bc6ab409b7784692da3e8fefdec7d70ac9dbe41be5fc247db597cb6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/error_bender-d2e9db70c7166d2f
[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" "2312eddf5bc6ab409b7784692da3e8fefdec7d70ac9dbe41be5fc247db597cb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2312eddf5bc6ab409b7784692da3e8fefdec7d70ac9dbe41be5fc247db597cb6", kill_on_drop: false }`
[INFO] [stdout] 2312eddf5bc6ab409b7784692da3e8fefdec7d70ac9dbe41be5fc247db597cb6