[INFO] fetching crate frozen 1.0.0...
[INFO] testing frozen-1.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate frozen 1.0.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate frozen 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 frozen 1.0.0
[INFO] finished tweaking crates.io crate frozen 1.0.0
[INFO] tweaked toml for crates.io crate frozen 1.0.0 written to /workspace/builds/worker-1/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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 03994dfe58b071ad6f949e64ca48d7466f94633a44e59415a621280787148b08
[INFO] running `Command { std: "docker" "start" "-a" "03994dfe58b071ad6f949e64ca48d7466f94633a44e59415a621280787148b08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03994dfe58b071ad6f949e64ca48d7466f94633a44e59415a621280787148b08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03994dfe58b071ad6f949e64ca48d7466f94633a44e59415a621280787148b08", kill_on_drop: false }`
[INFO] [stdout] 03994dfe58b071ad6f949e64ca48d7466f94633a44e59415a621280787148b08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] b4a58fab38a525764b267cf0a1b651fb1fb6557ecb7eee9cebf1ec42b5f40941
[INFO] running `Command { std: "docker" "start" "-a" "b4a58fab38a525764b267cf0a1b651fb1fb6557ecb7eee9cebf1ec42b5f40941", kill_on_drop: false }`
[INFO] [stderr]    Compiling frozen v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "b4a58fab38a525764b267cf0a1b651fb1fb6557ecb7eee9cebf1ec42b5f40941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4a58fab38a525764b267cf0a1b651fb1fb6557ecb7eee9cebf1ec42b5f40941", kill_on_drop: false }`
[INFO] [stdout] b4a58fab38a525764b267cf0a1b651fb1fb6557ecb7eee9cebf1ec42b5f40941
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 7ef65593375e538cc39cb269aeeb2af5a8863f1b46ae3a6b24be83ef29ccd4f3
[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" "7ef65593375e538cc39cb269aeeb2af5a8863f1b46ae3a6b24be83ef29ccd4f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling frozen v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "7ef65593375e538cc39cb269aeeb2af5a8863f1b46ae3a6b24be83ef29ccd4f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ef65593375e538cc39cb269aeeb2af5a8863f1b46ae3a6b24be83ef29ccd4f3", kill_on_drop: false }`
[INFO] [stdout] 7ef65593375e538cc39cb269aeeb2af5a8863f1b46ae3a6b24be83ef29ccd4f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 768fc7225b46a5f9cbaae6d4496c06a47a8b6f61e60b07897554111bab16f6d9
[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" "768fc7225b46a5f9cbaae6d4496c06a47a8b6f61e60b07897554111bab16f6d9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/frozen-2bf85c9dec540a23
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests frozen
[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] [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" "768fc7225b46a5f9cbaae6d4496c06a47a8b6f61e60b07897554111bab16f6d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "768fc7225b46a5f9cbaae6d4496c06a47a8b6f61e60b07897554111bab16f6d9", kill_on_drop: false }`
[INFO] [stdout] 768fc7225b46a5f9cbaae6d4496c06a47a8b6f61e60b07897554111bab16f6d9