[INFO] fetching crate delta_e 0.2.1...
[INFO] testing delta_e-0.2.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate delta_e 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate delta_e 0.2.1 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 delta_e 0.2.1
[INFO] finished tweaking crates.io crate delta_e 0.2.1
[INFO] tweaked toml for crates.io crate delta_e 0.2.1 written to /workspace/builds/worker-0/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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 9fdfad89bdad5c2d1647e50d14820be88d4cb2d9f64aaeba73dd71c19b218ad9
[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" "9fdfad89bdad5c2d1647e50d14820be88d4cb2d9f64aaeba73dd71c19b218ad9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fdfad89bdad5c2d1647e50d14820be88d4cb2d9f64aaeba73dd71c19b218ad9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fdfad89bdad5c2d1647e50d14820be88d4cb2d9f64aaeba73dd71c19b218ad9", kill_on_drop: false }`
[INFO] [stdout] 9fdfad89bdad5c2d1647e50d14820be88d4cb2d9f64aaeba73dd71c19b218ad9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 327a1d247428fe4da995551006f127cc2a3c7a96edab1c132ca7b6a16c1083ea
[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" "327a1d247428fe4da995551006f127cc2a3c7a96edab1c132ca7b6a16c1083ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling lab v0.7.2
[INFO] [stderr]    Compiling delta_e v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "327a1d247428fe4da995551006f127cc2a3c7a96edab1c132ca7b6a16c1083ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "327a1d247428fe4da995551006f127cc2a3c7a96edab1c132ca7b6a16c1083ea", kill_on_drop: false }`
[INFO] [stdout] 327a1d247428fe4da995551006f127cc2a3c7a96edab1c132ca7b6a16c1083ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 1d620f03c0af3bc34ca7813e273736a36506ad7108999bfe53784e2c88c52f2f
[INFO] running `Command { std: "docker" "start" "-a" "1d620f03c0af3bc34ca7813e273736a36506ad7108999bfe53784e2c88c52f2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling delta_e v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "1d620f03c0af3bc34ca7813e273736a36506ad7108999bfe53784e2c88c52f2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d620f03c0af3bc34ca7813e273736a36506ad7108999bfe53784e2c88c52f2f", kill_on_drop: false }`
[INFO] [stdout] 1d620f03c0af3bc34ca7813e273736a36506ad7108999bfe53784e2c88c52f2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 460f1bcf1416555560e25c23ed55f4586e55bfadb758888daaec5488ae6a7a9b
[INFO] running `Command { std: "docker" "start" "-a" "460f1bcf1416555560e25c23ed55f4586e55bfadb758888daaec5488ae6a7a9b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/delta_e-02a8961a97dbfe34
[INFO] [stdout] test de2000::tests::tests ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests delta_e
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/de2000.rs - de2000::DE2000::from_rgb (line 95) ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] test src/de2000.rs - de2000::DE2000::new (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "460f1bcf1416555560e25c23ed55f4586e55bfadb758888daaec5488ae6a7a9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "460f1bcf1416555560e25c23ed55f4586e55bfadb758888daaec5488ae6a7a9b", kill_on_drop: false }`
[INFO] [stdout] 460f1bcf1416555560e25c23ed55f4586e55bfadb758888daaec5488ae6a7a9b