[INFO] fetching crate rust-hello 0.1.1...
[INFO] testing rust-hello-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rust-hello 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rust-hello 0.1.1 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 rust-hello 0.1.1
[INFO] finished tweaking crates.io crate rust-hello 0.1.1
[INFO] tweaked toml for crates.io crate rust-hello 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate rust-hello 0.1.1 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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ae0fba44960ece4734b5b6b905e4216b5f8aa4d4204650e3152555667e5767d
[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" "8ae0fba44960ece4734b5b6b905e4216b5f8aa4d4204650e3152555667e5767d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ae0fba44960ece4734b5b6b905e4216b5f8aa4d4204650e3152555667e5767d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ae0fba44960ece4734b5b6b905e4216b5f8aa4d4204650e3152555667e5767d", kill_on_drop: false }`
[INFO] [stdout] 8ae0fba44960ece4734b5b6b905e4216b5f8aa4d4204650e3152555667e5767d
[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] [stdout] 085d0ade3514e745a73d77e0f4b00b3395d2a9ea31c4e52db4b0d27f3e63a3be
[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" "085d0ade3514e745a73d77e0f4b00b3395d2a9ea31c4e52db4b0d27f3e63a3be", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-hello v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "085d0ade3514e745a73d77e0f4b00b3395d2a9ea31c4e52db4b0d27f3e63a3be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "085d0ade3514e745a73d77e0f4b00b3395d2a9ea31c4e52db4b0d27f3e63a3be", kill_on_drop: false }`
[INFO] [stdout] 085d0ade3514e745a73d77e0f4b00b3395d2a9ea31c4e52db4b0d27f3e63a3be
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d20e803af17ddc201acfcbe7192d355c458f89183c185126aeea39dedf958d83
[INFO] running `Command { std: "docker" "start" "-a" "d20e803af17ddc201acfcbe7192d355c458f89183c185126aeea39dedf958d83", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-hello v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "d20e803af17ddc201acfcbe7192d355c458f89183c185126aeea39dedf958d83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d20e803af17ddc201acfcbe7192d355c458f89183c185126aeea39dedf958d83", kill_on_drop: false }`
[INFO] [stdout] d20e803af17ddc201acfcbe7192d355c458f89183c185126aeea39dedf958d83
[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] 1358cf688ff8ef20f4b7c744ed17cf0ce4d34df4bcbfda709f1cc07844d77ac7
[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" "1358cf688ff8ef20f4b7c744ed17cf0ce4d34df4bcbfda709f1cc07844d77ac7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[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]      Running /opt/rustwide/target/debug/deps/rust_hello-05832a44829bbf44
[INFO] running `Command { std: "docker" "inspect" "1358cf688ff8ef20f4b7c744ed17cf0ce4d34df4bcbfda709f1cc07844d77ac7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1358cf688ff8ef20f4b7c744ed17cf0ce4d34df4bcbfda709f1cc07844d77ac7", kill_on_drop: false }`
[INFO] [stdout] 1358cf688ff8ef20f4b7c744ed17cf0ce4d34df4bcbfda709f1cc07844d77ac7