[INFO] fetching crate preoomkiller 0.0.2...
[INFO] testing preoomkiller-0.0.2 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate preoomkiller 0.0.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate preoomkiller 0.0.2 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate preoomkiller 0.0.2
[INFO] finished tweaking crates.io crate preoomkiller 0.0.2
[INFO] tweaked toml for crates.io crate preoomkiller 0.0.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 404f4ead37c35b07ee9bd6a9b8b78ab4ab862e630b26cf67e948c5e71697219f
[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" "404f4ead37c35b07ee9bd6a9b8b78ab4ab862e630b26cf67e948c5e71697219f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "404f4ead37c35b07ee9bd6a9b8b78ab4ab862e630b26cf67e948c5e71697219f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "404f4ead37c35b07ee9bd6a9b8b78ab4ab862e630b26cf67e948c5e71697219f", kill_on_drop: false }`
[INFO] [stdout] 404f4ead37c35b07ee9bd6a9b8b78ab4ab862e630b26cf67e948c5e71697219f
[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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] d262d668fe7f71a2a7f322f56ed079b195cdbabefe7567cd2bbcc2be04eccc2b
[INFO] running `Command { std: "docker" "start" "-a" "d262d668fe7f71a2a7f322f56ed079b195cdbabefe7567cd2bbcc2be04eccc2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling preoomkiller v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.63s
[INFO] running `Command { std: "docker" "inspect" "d262d668fe7f71a2a7f322f56ed079b195cdbabefe7567cd2bbcc2be04eccc2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d262d668fe7f71a2a7f322f56ed079b195cdbabefe7567cd2bbcc2be04eccc2b", kill_on_drop: false }`
[INFO] [stdout] d262d668fe7f71a2a7f322f56ed079b195cdbabefe7567cd2bbcc2be04eccc2b
[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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15d971e9c95a51d9b6f42309ef05378f0982799630187714ba4db92cfbd16afb
[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" "15d971e9c95a51d9b6f42309ef05378f0982799630187714ba4db92cfbd16afb", kill_on_drop: false }`
[INFO] [stderr]    Compiling preoomkiller v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "15d971e9c95a51d9b6f42309ef05378f0982799630187714ba4db92cfbd16afb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15d971e9c95a51d9b6f42309ef05378f0982799630187714ba4db92cfbd16afb", kill_on_drop: false }`
[INFO] [stdout] 15d971e9c95a51d9b6f42309ef05378f0982799630187714ba4db92cfbd16afb
[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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8b008be086af6e198088f7d775977f96410de8a29f6403d33ac6663eca544fc4
[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" "8b008be086af6e198088f7d775977f96410de8a29f6403d33ac6663eca544fc4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/preoomkiller-eaace909a45fb391
[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" "8b008be086af6e198088f7d775977f96410de8a29f6403d33ac6663eca544fc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b008be086af6e198088f7d775977f96410de8a29f6403d33ac6663eca544fc4", kill_on_drop: false }`
[INFO] [stdout] 8b008be086af6e198088f7d775977f96410de8a29f6403d33ac6663eca544fc4