[INFO] updating cached repository https://github.com/olivernn/src.lu
[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] 4f6ec5dcbd52af242d295cd05a7b5f38ecbd4e11
[INFO] checking olivernn/src.lu against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folivernn%2Fsrc.lu" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/olivernn/src.lu on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/olivernn/src.lu
[INFO] finished tweaking git repo https://github.com/olivernn/src.lu
[INFO] tweaked toml for git repo https://github.com/olivernn/src.lu written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/olivernn/src.lu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a431e01408b0b224874b9b6aa99537b03712eb1ab5a9543a2079cd71ac6c200
[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" "6a431e01408b0b224874b9b6aa99537b03712eb1ab5a9543a2079cd71ac6c200", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a431e01408b0b224874b9b6aa99537b03712eb1ab5a9543a2079cd71ac6c200", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a431e01408b0b224874b9b6aa99537b03712eb1ab5a9543a2079cd71ac6c200", kill_on_drop: false }`
[INFO] [stdout] 6a431e01408b0b224874b9b6aa99537b03712eb1ab5a9543a2079cd71ac6c200
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=forbid" "-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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6173116d3ca77520306c6f84e9c9c40d4a04a8a5e2449ed75208135bc2bdc8b2
[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" "6173116d3ca77520306c6f84e9c9c40d4a04a8a5e2449ed75208135bc2bdc8b2", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking libc v0.2.20
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking num-traits v0.1.36
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling version_check v0.1.0
[INFO] [stderr]    Compiling matches v0.1.4
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.4
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling httparse v1.2.1
[INFO] [stderr]     Checking adler32 v0.3.0
[INFO] [stderr]    Compiling traitobject v0.0.1
[INFO] [stderr]    Compiling rustc-serialize v0.3.22
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]     Checking slog v1.5.0
[INFO] [stderr]    Compiling language-tags v0.2.2
[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-1.5.0/src/ser.rs:228:6
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub trait SyncSerialize: Send + Sync + 'static + Serialize {}
[INFO] [stdout]     |                                 ---- required by this bound in `ser::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 `core::fmt::Arguments<'static>`, the trait `core::marker::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 `core::fmt::ArgumentV1<'static>`
[INFO] [stdout]     = note: required because it appears within the type `[core::fmt::ArgumentV1<'static>]`
[INFO] [stdout]     = note: required because it appears within the type `&'static [core::fmt::ArgumentV1<'static>]`
[INFO] [stdout]     = note: required because it appears within the type `core::fmt::Arguments<'static>`
[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 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" "6173116d3ca77520306c6f84e9c9c40d4a04a8a5e2449ed75208135bc2bdc8b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6173116d3ca77520306c6f84e9c9c40d4a04a8a5e2449ed75208135bc2bdc8b2", kill_on_drop: false }`
[INFO] [stdout] 6173116d3ca77520306c6f84e9c9c40d4a04a8a5e2449ed75208135bc2bdc8b2