[INFO] fetching crate miru 0.0.0...
[INFO] testing miru-0.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate miru 0.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate miru 0.0.0 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 miru 0.0.0
[INFO] finished tweaking crates.io crate miru 0.0.0
[INFO] tweaked toml for crates.io crate miru 0.0.0 written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3a467443cf3cf63659084db39fa9245302759e0237aa5bd2a16f84e12d781f1b
[INFO] running `Command { std: "docker" "start" "-a" "3a467443cf3cf63659084db39fa9245302759e0237aa5bd2a16f84e12d781f1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a467443cf3cf63659084db39fa9245302759e0237aa5bd2a16f84e12d781f1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a467443cf3cf63659084db39fa9245302759e0237aa5bd2a16f84e12d781f1b", kill_on_drop: false }`
[INFO] [stdout] 3a467443cf3cf63659084db39fa9245302759e0237aa5bd2a16f84e12d781f1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] d406bba6aac839be0f5d69a33396d9c41dff9ab1ce4ce1b669f3318c6755205f
[INFO] running `Command { std: "docker" "start" "-a" "d406bba6aac839be0f5d69a33396d9c41dff9ab1ce4ce1b669f3318c6755205f", kill_on_drop: false }`
[INFO] [stderr]    Compiling miru v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "d406bba6aac839be0f5d69a33396d9c41dff9ab1ce4ce1b669f3318c6755205f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d406bba6aac839be0f5d69a33396d9c41dff9ab1ce4ce1b669f3318c6755205f", kill_on_drop: false }`
[INFO] [stdout] d406bba6aac839be0f5d69a33396d9c41dff9ab1ce4ce1b669f3318c6755205f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 425f2e08720a2530dce9c9f4c03d35e64c9ac5415d1ee28e5734bc4ff11fe115
[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" "425f2e08720a2530dce9c9f4c03d35e64c9ac5415d1ee28e5734bc4ff11fe115", kill_on_drop: false }`
[INFO] [stderr]    Compiling miru v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "425f2e08720a2530dce9c9f4c03d35e64c9ac5415d1ee28e5734bc4ff11fe115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "425f2e08720a2530dce9c9f4c03d35e64c9ac5415d1ee28e5734bc4ff11fe115", kill_on_drop: false }`
[INFO] [stdout] 425f2e08720a2530dce9c9f4c03d35e64c9ac5415d1ee28e5734bc4ff11fe115
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] faa905a3bd3d5b2a4ab8cc175b1fdb0a612b015c0646f4ef35a7b0f86d3c7e56
[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" "faa905a3bd3d5b2a4ab8cc175b1fdb0a612b015c0646f4ef35a7b0f86d3c7e56", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/miru-4b5bc5f184e34228
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests miru
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "faa905a3bd3d5b2a4ab8cc175b1fdb0a612b015c0646f4ef35a7b0f86d3c7e56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faa905a3bd3d5b2a4ab8cc175b1fdb0a612b015c0646f4ef35a7b0f86d3c7e56", kill_on_drop: false }`
[INFO] [stdout] faa905a3bd3d5b2a4ab8cc175b1fdb0a612b015c0646f4ef35a7b0f86d3c7e56