[INFO] cloning repository https://github.com/xyrosource/blacklung
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xyrosource/blacklung" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxyrosource%2Fblacklung", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxyrosource%2Fblacklung'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d4d1b437673e8f52a9fa317d63c0010740e06c45
[INFO] checking xyrosource/blacklung against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxyrosource%2Fblacklung" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xyrosource/blacklung on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xyrosource/blacklung
[INFO] finished tweaking git repo https://github.com/xyrosource/blacklung
[INFO] tweaked toml for git repo https://github.com/xyrosource/blacklung written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/xyrosource/blacklung already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slog v1.5.2
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4be53de7b62627efa91461e95143a0ab63097f194cec6a105a2ca4ffc4d8988f
[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" "4be53de7b62627efa91461e95143a0ab63097f194cec6a105a2ca4ffc4d8988f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4be53de7b62627efa91461e95143a0ab63097f194cec6a105a2ca4ffc4d8988f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4be53de7b62627efa91461e95143a0ab63097f194cec6a105a2ca4ffc4d8988f", kill_on_drop: false }`
[INFO] [stdout] 4be53de7b62627efa91461e95143a0ab63097f194cec6a105a2ca4ffc4d8988f
[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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c57424703315ee8862f6097903cc5725b7d9300987602e118be1b3cb73702ad4
[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" "c57424703315ee8862f6097903cc5725b7d9300987602e118be1b3cb73702ad4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]     Checking slog v1.5.2
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking lazycell v0.4.0
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking lazy_static v0.2.4
[INFO] [stderr]     Checking serde v0.9.11
[INFO] [stderr]    Compiling blacklung v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking encode_unicode v0.1.3
[INFO] [stderr]     Checking rustc-serialize v0.3.22
[INFO] [stderr]     Checking thread-id v3.0.0
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking time v0.1.36
[INFO] [stderr]     Checking isatty v0.1.3
[INFO] [stderr]     Checking net2 v0.2.26
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking kernel32-sys v0.2.2
[INFO] [stderr]     Checking aho-corasick v0.6.2
[INFO] [stderr]     Checking thread_local v0.3.3
[INFO] [stderr]     Checking futures v0.1.10
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stdout] error[E0277]: `core::fmt::Opaque` cannot be shared between threads safely
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/slog-1.5.2/src/ser.rs:228:6
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub trait SyncSerialize: Send + Sync + 'static + Serialize {}
[INFO] [stdout]     |                                 ---- required by this bound in `SyncSerialize`
[INFO] [stdout] ...
[INFO] [stdout] 228 | impl SyncSerialize for fmt::Arguments<'static> {}
[INFO] [stdout]     |      ^^^^^^^^^^^^^ `core::fmt::Opaque` cannot be shared between threads safely
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `Arguments<'static>`, the trait `Sync` is not implemented for `core::fmt::Opaque`
[INFO] [stdout]     = note: required because it appears within the type `&'static core::fmt::Opaque`
[INFO] [stdout]     = note: required because it appears within the type `ArgumentV1<'static>`
[INFO] [stdout]     = note: required because it appears within the type `[ArgumentV1<'static>]`
[INFO] [stdout]     = note: required because it appears within the type `&'static [ArgumentV1<'static>]`
[INFO] [stdout]     = note: required because it appears within the type `Arguments<'static>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling syn v0.11.9
[INFO] [stderr]     Checking mio v0.6.4
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slog`
[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" "c57424703315ee8862f6097903cc5725b7d9300987602e118be1b3cb73702ad4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c57424703315ee8862f6097903cc5725b7d9300987602e118be1b3cb73702ad4", kill_on_drop: false }`
[INFO] [stdout] c57424703315ee8862f6097903cc5725b7d9300987602e118be1b3cb73702ad4