[INFO] fetching crate lock_keys 1.0.0...
[INFO] testing lock_keys-1.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate lock_keys 1.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate lock_keys 1.0.0 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 lock_keys 1.0.0
[INFO] finished tweaking crates.io crate lock_keys 1.0.0
[INFO] tweaked toml for crates.io crate lock_keys 1.0.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate lock_keys 1.0.0 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 4326f5696f645d1f5f89858c15258dc23f43f9808f9f4dc392ebb371a07316aa
[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" "4326f5696f645d1f5f89858c15258dc23f43f9808f9f4dc392ebb371a07316aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4326f5696f645d1f5f89858c15258dc23f43f9808f9f4dc392ebb371a07316aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4326f5696f645d1f5f89858c15258dc23f43f9808f9f4dc392ebb371a07316aa", kill_on_drop: false }`
[INFO] [stdout] 4326f5696f645d1f5f89858c15258dc23f43f9808f9f4dc392ebb371a07316aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 0f4a0f98c1f7f09591757f33a22ed3d3e8890cdeb31cb65ce89b69f416b3b5f8
[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" "0f4a0f98c1f7f09591757f33a22ed3d3e8890cdeb31cb65ce89b69f416b3b5f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling lock_keys v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "0f4a0f98c1f7f09591757f33a22ed3d3e8890cdeb31cb65ce89b69f416b3b5f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f4a0f98c1f7f09591757f33a22ed3d3e8890cdeb31cb65ce89b69f416b3b5f8", kill_on_drop: false }`
[INFO] [stdout] 0f4a0f98c1f7f09591757f33a22ed3d3e8890cdeb31cb65ce89b69f416b3b5f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 4d18a3575f43feec88256086a4ed24649e877f605450cef5c4948d878cb5a8c3
[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" "4d18a3575f43feec88256086a4ed24649e877f605450cef5c4948d878cb5a8c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling lock_keys v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "4d18a3575f43feec88256086a4ed24649e877f605450cef5c4948d878cb5a8c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d18a3575f43feec88256086a4ed24649e877f605450cef5c4948d878cb5a8c3", kill_on_drop: false }`
[INFO] [stdout] 4d18a3575f43feec88256086a4ed24649e877f605450cef5c4948d878cb5a8c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 309339b97ead9f285343cbd962b1297c51cb56e6078f8e30e27b053d7b7bfe88
[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" "309339b97ead9f285343cbd962b1297c51cb56e6078f8e30e27b053d7b7bfe88", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lock_keys-af2eb2d5f65a0d3a
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/lock_keys-af2eb2d5f65a0d3a` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "309339b97ead9f285343cbd962b1297c51cb56e6078f8e30e27b053d7b7bfe88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "309339b97ead9f285343cbd962b1297c51cb56e6078f8e30e27b053d7b7bfe88", kill_on_drop: false }`
[INFO] [stdout] 309339b97ead9f285343cbd962b1297c51cb56e6078f8e30e27b053d7b7bfe88