[INFO] updating cached repository https://github.com/KevinBalz/meku
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 47e95ba6c5148fa584c2ab55b6adeb92ff53e92a
[INFO] testing KevinBalz/meku against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKevinBalz%2Fmeku" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KevinBalz/meku on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KevinBalz/meku
[INFO] finished tweaking git repo https://github.com/KevinBalz/meku
[INFO] tweaked toml for git repo https://github.com/KevinBalz/meku written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/KevinBalz/meku already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-7/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[INFO] the lockfile is outdated, regenerating it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" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b58d252b1ca465aa61395403f6438dc81f0c848355e28360f5d59bbc94617b54
[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" "b58d252b1ca465aa61395403f6438dc81f0c848355e28360f5d59bbc94617b54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b58d252b1ca465aa61395403f6438dc81f0c848355e28360f5d59bbc94617b54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b58d252b1ca465aa61395403f6438dc81f0c848355e28360f5d59bbc94617b54", kill_on_drop: false }`
[INFO] [stdout] b58d252b1ca465aa61395403f6438dc81f0c848355e28360f5d59bbc94617b54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54705da58da494394cf3fb476229a49144ea6df84b9ed9b116f9b0a7772a5ec8
[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" "54705da58da494394cf3fb476229a49144ea6df84b9ed9b116f9b0a7772a5ec8", kill_on_drop: false }`
[INFO] [stderr]    Compiling yaml-rust v0.4.4
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling meku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.54s
[INFO] running `Command { std: "docker" "inspect" "54705da58da494394cf3fb476229a49144ea6df84b9ed9b116f9b0a7772a5ec8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54705da58da494394cf3fb476229a49144ea6df84b9ed9b116f9b0a7772a5ec8", kill_on_drop: false }`
[INFO] [stdout] 54705da58da494394cf3fb476229a49144ea6df84b9ed9b116f9b0a7772a5ec8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d0e8a1ee9b6425c2e5343bdffc7626d331fed03e81828ff8c440ebc94faa97d
[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" "6d0e8a1ee9b6425c2e5343bdffc7626d331fed03e81828ff8c440ebc94faa97d", kill_on_drop: false }`
[INFO] [stderr]    Compiling meku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:41:28
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let value = Yaml::Hash(map);
[INFO] [stdout]    |                            ^^^ expected struct `linked_hash_map::LinkedHashMap`, found struct `std::collections::BTreeMap`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `linked_hash_map::LinkedHashMap<yaml_rust::Yaml, yaml_rust::Yaml>`
[INFO] [stdout]               found struct `std::collections::BTreeMap<yaml_rust::Yaml, yaml_rust::Yaml>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `meku`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6d0e8a1ee9b6425c2e5343bdffc7626d331fed03e81828ff8c440ebc94faa97d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d0e8a1ee9b6425c2e5343bdffc7626d331fed03e81828ff8c440ebc94faa97d", kill_on_drop: false }`
[INFO] [stdout] 6d0e8a1ee9b6425c2e5343bdffc7626d331fed03e81828ff8c440ebc94faa97d