[INFO] cloning repository https://github.com/ludios/rust-plugin-bug-snafu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ludios/rust-plugin-bug-snafu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fludios%2Frust-plugin-bug-snafu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fludios%2Frust-plugin-bug-snafu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f51b26619279605e5043d4440a71857c0e48ff29
[INFO] testing ludios/rust-plugin-bug-snafu against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fludios%2Frust-plugin-bug-snafu" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ludios/rust-plugin-bug-snafu 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 git repo https://github.com/ludios/rust-plugin-bug-snafu
[INFO] finished tweaking git repo https://github.com/ludios/rust-plugin-bug-snafu
[INFO] tweaked toml for git repo https://github.com/ludios/rust-plugin-bug-snafu written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/ludios/rust-plugin-bug-snafu 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-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] 6d649f3ff67fb848597c82edb3c46e6a6a63510459a0ded29114ed4b3bf7ad66
[INFO] running `Command { std: "docker" "start" "-a" "6d649f3ff67fb848597c82edb3c46e6a6a63510459a0ded29114ed4b3bf7ad66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d649f3ff67fb848597c82edb3c46e6a6a63510459a0ded29114ed4b3bf7ad66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d649f3ff67fb848597c82edb3c46e6a6a63510459a0ded29114ed4b3bf7ad66", kill_on_drop: false }`
[INFO] [stdout] 6d649f3ff67fb848597c82edb3c46e6a6a63510459a0ded29114ed4b3bf7ad66
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] 178ec23182b400fedeb5bdcbe0152b8ea76d5f46acc919fdadba4a50c180871d
[INFO] running `Command { std: "docker" "start" "-a" "178ec23182b400fedeb5bdcbe0152b8ea76d5f46acc919fdadba4a50c180871d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling backtrace v0.3.37
[INFO] [stderr]    Compiling snafu-derive v0.5.0
[INFO] [stderr]    Compiling snafu v0.5.0
[INFO] [stderr]    Compiling rust-plugin-bug-snafu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.75s
[INFO] running `Command { std: "docker" "inspect" "178ec23182b400fedeb5bdcbe0152b8ea76d5f46acc919fdadba4a50c180871d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "178ec23182b400fedeb5bdcbe0152b8ea76d5f46acc919fdadba4a50c180871d", kill_on_drop: false }`
[INFO] [stdout] 178ec23182b400fedeb5bdcbe0152b8ea76d5f46acc919fdadba4a50c180871d
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--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] e45fd13bcc42073655fde03ec6601d40c2299a2a9383282c3a9ebec87e96004a
[INFO] running `Command { std: "docker" "start" "-a" "e45fd13bcc42073655fde03ec6601d40c2299a2a9383282c3a9ebec87e96004a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-plugin-bug-snafu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 23.65s
[INFO] running `Command { std: "docker" "inspect" "e45fd13bcc42073655fde03ec6601d40c2299a2a9383282c3a9ebec87e96004a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e45fd13bcc42073655fde03ec6601d40c2299a2a9383282c3a9ebec87e96004a", kill_on_drop: false }`
[INFO] [stdout] e45fd13bcc42073655fde03ec6601d40c2299a2a9383282c3a9ebec87e96004a
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fe46106ee5b98db0de38ccc4a560e7338651b24bf9f96763fca1cd70f15f156f
[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" "fe46106ee5b98db0de38ccc4a560e7338651b24bf9f96763fca1cd70f15f156f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_plugin_bug_snafu-9050d9f3fb9c23da
[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" "fe46106ee5b98db0de38ccc4a560e7338651b24bf9f96763fca1cd70f15f156f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe46106ee5b98db0de38ccc4a560e7338651b24bf9f96763fca1cd70f15f156f", kill_on_drop: false }`
[INFO] [stdout] fe46106ee5b98db0de38ccc4a560e7338651b24bf9f96763fca1cd70f15f156f