[INFO] fetching crate gendoc 0.4.0...
[INFO] testing gendoc-0.4.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate gendoc 0.4.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate gendoc 0.4.0 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 gendoc 0.4.0
[INFO] finished tweaking crates.io crate gendoc 0.4.0
[INFO] tweaked toml for crates.io crate gendoc 0.4.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate gendoc 0.4.0 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-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f80ad0a39cf4ced3c672a396c2e20edb14bffe79208e55084aa526c9eacc2fa
[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" "1f80ad0a39cf4ced3c672a396c2e20edb14bffe79208e55084aa526c9eacc2fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f80ad0a39cf4ced3c672a396c2e20edb14bffe79208e55084aa526c9eacc2fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f80ad0a39cf4ced3c672a396c2e20edb14bffe79208e55084aa526c9eacc2fa", kill_on_drop: false }`
[INFO] [stdout] 1f80ad0a39cf4ced3c672a396c2e20edb14bffe79208e55084aa526c9eacc2fa
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2d3ba2a3836e79bcadb834baf8ca2d6b916b66f2fe73e5f15d69d067f07da1d
[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" "b2d3ba2a3836e79bcadb834baf8ca2d6b916b66f2fe73e5f15d69d067f07da1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.36
[INFO] [stderr]    Compiling dtoa v0.4.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling yaml-rust v0.4.4
[INFO] [stderr]    Compiling serde_yaml v0.8.14
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling gendoc v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.16s
[INFO] running `Command { std: "docker" "inspect" "b2d3ba2a3836e79bcadb834baf8ca2d6b916b66f2fe73e5f15d69d067f07da1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2d3ba2a3836e79bcadb834baf8ca2d6b916b66f2fe73e5f15d69d067f07da1d", kill_on_drop: false }`
[INFO] [stdout] b2d3ba2a3836e79bcadb834baf8ca2d6b916b66f2fe73e5f15d69d067f07da1d
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] 5929f52fb14522f5a70be0bf1ce694177ceae05a1991237e9de9c4572f2fa280
[INFO] running `Command { std: "docker" "start" "-a" "5929f52fb14522f5a70be0bf1ce694177ceae05a1991237e9de9c4572f2fa280", kill_on_drop: false }`
[INFO] [stderr]    Compiling gendoc v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.13s
[INFO] running `Command { std: "docker" "inspect" "5929f52fb14522f5a70be0bf1ce694177ceae05a1991237e9de9c4572f2fa280", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5929f52fb14522f5a70be0bf1ce694177ceae05a1991237e9de9c4572f2fa280", kill_on_drop: false }`
[INFO] [stdout] 5929f52fb14522f5a70be0bf1ce694177ceae05a1991237e9de9c4572f2fa280
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] 6b34332d99ade471915e66aced17837fb54f5c83a8f4a42a9fa1e687409b97fa
[INFO] running `Command { std: "docker" "start" "-a" "6b34332d99ade471915e66aced17837fb54f5c83a8f4a42a9fa1e687409b97fa", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gendoc-3000258ff7392b96
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test option::tests::test_option_new ... ok
[INFO] [stdout] test option::tests::test_option_convert_field ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gendoc-8bf8e9b3551f75fd
[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]    Doc-tests gendoc
[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" "6b34332d99ade471915e66aced17837fb54f5c83a8f4a42a9fa1e687409b97fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b34332d99ade471915e66aced17837fb54f5c83a8f4a42a9fa1e687409b97fa", kill_on_drop: false }`
[INFO] [stdout] 6b34332d99ade471915e66aced17837fb54f5c83a8f4a42a9fa1e687409b97fa