[INFO] fetching crate desert 1.0.3...
[INFO] testing desert-1.0.3 against 1.49.0 for beta-1.50-1
[INFO] extracting crate desert 1.0.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate desert 1.0.3 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 desert 1.0.3
[INFO] finished tweaking crates.io crate desert 1.0.3
[INFO] tweaked toml for crates.io crate desert 1.0.3 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate desert 1.0.3 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 4501db8a1e4793c1420c09db2d6d106b09aed71a7a2deb68ee2c7473ba6f1612
[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" "4501db8a1e4793c1420c09db2d6d106b09aed71a7a2deb68ee2c7473ba6f1612", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4501db8a1e4793c1420c09db2d6d106b09aed71a7a2deb68ee2c7473ba6f1612", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4501db8a1e4793c1420c09db2d6d106b09aed71a7a2deb68ee2c7473ba6f1612", kill_on_drop: false }`
[INFO] [stdout] 4501db8a1e4793c1420c09db2d6d106b09aed71a7a2deb68ee2c7473ba6f1612
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 8b05db9ac15c6b3265a1c068d533b9ec4f21b1a9a040b63a8b7212df4cb9b733
[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" "8b05db9ac15c6b3265a1c068d533b9ec4f21b1a9a040b63a8b7212df4cb9b733", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling backtrace-sys v0.1.34
[INFO] [stderr]    Compiling backtrace v0.3.45
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling failure v0.1.7
[INFO] [stderr]    Compiling desert v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.87s
[INFO] running `Command { std: "docker" "inspect" "8b05db9ac15c6b3265a1c068d533b9ec4f21b1a9a040b63a8b7212df4cb9b733", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b05db9ac15c6b3265a1c068d533b9ec4f21b1a9a040b63a8b7212df4cb9b733", kill_on_drop: false }`
[INFO] [stdout] 8b05db9ac15c6b3265a1c068d533b9ec4f21b1a9a040b63a8b7212df4cb9b733
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 588d3d26b0abf5d3abb267736d55a35de1c4e94d2e8c74551612e01db863d75e
[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" "588d3d26b0abf5d3abb267736d55a35de1c4e94d2e8c74551612e01db863d75e", kill_on_drop: false }`
[INFO] [stderr]    Compiling desert v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.79s
[INFO] running `Command { std: "docker" "inspect" "588d3d26b0abf5d3abb267736d55a35de1c4e94d2e8c74551612e01db863d75e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "588d3d26b0abf5d3abb267736d55a35de1c4e94d2e8c74551612e01db863d75e", kill_on_drop: false }`
[INFO] [stdout] 588d3d26b0abf5d3abb267736d55a35de1c4e94d2e8c74551612e01db863d75e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 7b481db7ee437310044c187cc973c4447e7ca3eb4b784a819d736a8fb352879e
[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" "7b481db7ee437310044c187cc973c4447e7ca3eb4b784a819d736a8fb352879e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/desert-0937841c8571f4cb
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/builtins-b1cf930456f64a17
[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 6 tests
[INFO] [stdout] test booleans ... ok
[INFO] [stdout] test arrays ... ok
[INFO] [stdout] test builtins ... ok
[INFO] [stdout] test vectors ... ok
[INFO] [stdout] test nested ... ok
[INFO] [stdout] test tuples ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/custom-a2fa17c9ba170de6
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests desert
[INFO] [stdout] running 1 test
[INFO] [stdout] test custom ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] test src/lib.rs - (line 62) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7b481db7ee437310044c187cc973c4447e7ca3eb4b784a819d736a8fb352879e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b481db7ee437310044c187cc973c4447e7ca3eb4b784a819d736a8fb352879e", kill_on_drop: false }`
[INFO] [stdout] 7b481db7ee437310044c187cc973c4447e7ca3eb4b784a819d736a8fb352879e