[INFO] cloning repository https://github.com/killercup/cthulhu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/killercup/cthulhu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkillercup%2Fcthulhu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkillercup%2Fcthulhu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 109b1cbabd3d61a4bc60c481500963d86cc2edf3
[INFO] testing killercup/cthulhu against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkillercup%2Fcthulhu" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/killercup/cthulhu 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 git repo https://github.com/killercup/cthulhu
[INFO] removed workspace from git repo https://github.com/killercup/cthulhu
[INFO] removed path dependency cffi-impl from git repo https://github.com/killercup/cthulhu
[INFO] finished tweaking git repo https://github.com/killercup/cthulhu
[INFO] tweaked toml for git repo https://github.com/killercup/cthulhu written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/killercup/cthulhu 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] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] ae195edf3d22d5add45b384c5748f3c6b2cddc65ad9b5a06981e32fc9a2e80f7
[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" "ae195edf3d22d5add45b384c5748f3c6b2cddc65ad9b5a06981e32fc9a2e80f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae195edf3d22d5add45b384c5748f3c6b2cddc65ad9b5a06981e32fc9a2e80f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae195edf3d22d5add45b384c5748f3c6b2cddc65ad9b5a06981e32fc9a2e80f7", kill_on_drop: false }`
[INFO] [stdout] ae195edf3d22d5add45b384c5748f3c6b2cddc65ad9b5a06981e32fc9a2e80f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 7e5b47db0cc0daaf3a9b93aa9806e7e04bbbfe1bf0d491ebdada13bfeee2316a
[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" "7e5b47db0cc0daaf3a9b93aa9806e7e04bbbfe1bf0d491ebdada13bfeee2316a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling cffi-impl v0.1.2
[INFO] [stderr]    Compiling ctor v0.1.17
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling cffi v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.62s
[INFO] running `Command { std: "docker" "inspect" "7e5b47db0cc0daaf3a9b93aa9806e7e04bbbfe1bf0d491ebdada13bfeee2316a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e5b47db0cc0daaf3a9b93aa9806e7e04bbbfe1bf0d491ebdada13bfeee2316a", kill_on_drop: false }`
[INFO] [stdout] 7e5b47db0cc0daaf3a9b93aa9806e7e04bbbfe1bf0d491ebdada13bfeee2316a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 73c5aae18547bc6b6ea9b78a76e31002958455317ea3794362d374f3c900ef41
[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" "73c5aae18547bc6b6ea9b78a76e31002958455317ea3794362d374f3c900ef41", kill_on_drop: false }`
[INFO] [stderr]    Compiling cffi v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "73c5aae18547bc6b6ea9b78a76e31002958455317ea3794362d374f3c900ef41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73c5aae18547bc6b6ea9b78a76e31002958455317ea3794362d374f3c900ef41", kill_on_drop: false }`
[INFO] [stdout] 73c5aae18547bc6b6ea9b78a76e31002958455317ea3794362d374f3c900ef41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] fe637e5c92129b5c3d22877b41432611df23292b02ba4edc160dc3c8a77f5fcc
[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" "fe637e5c92129b5c3d22877b41432611df23292b02ba4edc160dc3c8a77f5fcc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cffi-359f658e3ccb84b7
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests cffi
[INFO] [stdout] test tests::test ... 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 1 test
[INFO] [stdout] test src/boxed.rs - boxed::BoxMarshaler (line 30) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/boxed.rs - boxed::BoxMarshaler (line 30) stdout ----
[INFO] [stdout] error[E0277]: the trait bound `BoxMarshaler<_>: ToForeign<Something, _>` is not satisfied
[INFO] [stdout]   --> src/boxed.rs:41:33
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let ptr: *const Something = BoxMarshaler::to_foreign(something).unwrap();
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^ the trait `ToForeign<Something, _>` is not implemented for `BoxMarshaler<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following implementations were found:
[INFO] [stdout]              <BoxMarshaler<T> as ToForeign<Box<T>, *const T>>
[INFO] [stdout]              <BoxMarshaler<T> as ToForeign<std::result::Result<Box<T>, Box<(dyn std::error::Error + 'static)>>, *const T>>
[INFO] [stdout]    = note: required by `to_foreign`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `BoxMarshaler<_>: ToForeign<Something, _>` is not satisfied
[INFO] [stdout]   --> src/boxed.rs:41:33
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let ptr: *const Something = BoxMarshaler::to_foreign(something).unwrap();
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `ToForeign<Something, _>` is not implemented for `BoxMarshaler<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following implementations were found:
[INFO] [stdout]              <BoxMarshaler<T> as ToForeign<Box<T>, *const T>>
[INFO] [stdout]              <BoxMarshaler<T> as ToForeign<std::result::Result<Box<T>, Box<(dyn std::error::Error + 'static)>>, *const T>>
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/boxed.rs - boxed::BoxMarshaler (line 30)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "fe637e5c92129b5c3d22877b41432611df23292b02ba4edc160dc3c8a77f5fcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe637e5c92129b5c3d22877b41432611df23292b02ba4edc160dc3c8a77f5fcc", kill_on_drop: false }`
[INFO] [stdout] fe637e5c92129b5c3d22877b41432611df23292b02ba4edc160dc3c8a77f5fcc