[INFO] fetching crate destruct 0.1.2...
[INFO] testing destruct-0.1.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate destruct 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate destruct 0.1.2 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 destruct 0.1.2
[INFO] finished tweaking crates.io crate destruct 0.1.2
[INFO] tweaked toml for crates.io crate destruct 0.1.2 written to /workspace/builds/worker-4/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 9d4692851c7ddc2cea1e2a1cf3cf0fe50ad6ba25afb77a7957580586e627298c
[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" "9d4692851c7ddc2cea1e2a1cf3cf0fe50ad6ba25afb77a7957580586e627298c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d4692851c7ddc2cea1e2a1cf3cf0fe50ad6ba25afb77a7957580586e627298c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d4692851c7ddc2cea1e2a1cf3cf0fe50ad6ba25afb77a7957580586e627298c", kill_on_drop: false }`
[INFO] [stdout] 9d4692851c7ddc2cea1e2a1cf3cf0fe50ad6ba25afb77a7957580586e627298c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 7e24f0c4c1b891ae9bdc38d09c7c5d55be5a46e57b1dcc45aeace61957cf5439
[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" "7e24f0c4c1b891ae9bdc38d09c7c5d55be5a46e57b1dcc45aeace61957cf5439", kill_on_drop: false }`
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling destruct-derive v0.1.2
[INFO] [stderr]    Compiling destruct-lib v0.1.2
[INFO] [stderr]    Compiling destruct v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.62s
[INFO] running `Command { std: "docker" "inspect" "7e24f0c4c1b891ae9bdc38d09c7c5d55be5a46e57b1dcc45aeace61957cf5439", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e24f0c4c1b891ae9bdc38d09c7c5d55be5a46e57b1dcc45aeace61957cf5439", kill_on_drop: false }`
[INFO] [stdout] 7e24f0c4c1b891ae9bdc38d09c7c5d55be5a46e57b1dcc45aeace61957cf5439
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 634724350e7d1e84b687a536b50a6a68ae2538d86a670d6a50501ec816fa0ef4
[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" "634724350e7d1e84b687a536b50a6a68ae2538d86a670d6a50501ec816fa0ef4", kill_on_drop: false }`
[INFO] [stderr]    Compiling destruct v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "634724350e7d1e84b687a536b50a6a68ae2538d86a670d6a50501ec816fa0ef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "634724350e7d1e84b687a536b50a6a68ae2538d86a670d6a50501ec816fa0ef4", kill_on_drop: false }`
[INFO] [stdout] 634724350e7d1e84b687a536b50a6a68ae2538d86a670d6a50501ec816fa0ef4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 907949de1e21539bc9ce89740ec48acfb92f37d2e5cb67ccc2bf0564a98478ba
[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" "907949de1e21539bc9ce89740ec48acfb92f37d2e5cb67ccc2bf0564a98478ba", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/destruct-7d7b8986680acf94
[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 destruct
[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" "907949de1e21539bc9ce89740ec48acfb92f37d2e5cb67ccc2bf0564a98478ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "907949de1e21539bc9ce89740ec48acfb92f37d2e5cb67ccc2bf0564a98478ba", kill_on_drop: false }`
[INFO] [stdout] 907949de1e21539bc9ce89740ec48acfb92f37d2e5cb67ccc2bf0564a98478ba