[INFO] cloning repository https://github.com/vmware/haret
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vmware/haret" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvmware%2Fharet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvmware%2Fharet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9194a06377014cd4f88fbfe9b10190e365eea772
[INFO] testing vmware/haret against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvmware%2Fharet" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vmware/haret on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vmware/haret
[INFO] finished tweaking git repo https://github.com/vmware/haret
[INFO] tweaked toml for git repo https://github.com/vmware/haret written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/vmware/haret already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75a0d4cdf10ac4c344ba0b651e3c43eeb33861e9250d628a0ee975a155b96f78
[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" "75a0d4cdf10ac4c344ba0b651e3c43eeb33861e9250d628a0ee975a155b96f78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75a0d4cdf10ac4c344ba0b651e3c43eeb33861e9250d628a0ee975a155b96f78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75a0d4cdf10ac4c344ba0b651e3c43eeb33861e9250d628a0ee975a155b96f78", kill_on_drop: false }`
[INFO] [stdout] 75a0d4cdf10ac4c344ba0b651e3c43eeb33861e9250d628a0ee975a155b96f78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f19bc5f8af1d1d2bca806e118eca2805343fb88d98fac14a8aab891c8f5ad7e
[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" "9f19bc5f8af1d1d2bca806e118eca2805343fb88d98fac14a8aab891c8f5ad7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling gcc v0.3.51
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling rustc-demangle v0.1.4
[INFO] [stderr]    Compiling slog v1.5.2
[INFO] [stderr]    Compiling serde v1.0.10
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling crossbeam v0.2.10
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling log v0.3.8
[INFO] [stderr]    Compiling protobuf v1.4.1
[INFO] [stderr]    Compiling libc v0.1.12
[INFO] [stderr]    Compiling lazy_static v0.1.16
[INFO] [stderr]    Compiling funfsm v0.2.1
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling isatty v0.1.3
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling rmp v0.8.6
[INFO] [stderr]    Compiling net2 v0.2.30
[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] 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] note: required by a bound in `SyncSerialize`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/slog-1.5.2/src/ser.rs:120:33
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub trait SyncSerialize: Send + Sync + 'static + Serialize {}
[INFO] [stdout]     |                                 ^^^^ required by this bound in `SyncSerialize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slog` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9f19bc5f8af1d1d2bca806e118eca2805343fb88d98fac14a8aab891c8f5ad7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f19bc5f8af1d1d2bca806e118eca2805343fb88d98fac14a8aab891c8f5ad7e", kill_on_drop: false }`
[INFO] [stdout] 9f19bc5f8af1d1d2bca806e118eca2805343fb88d98fac14a8aab891c8f5ad7e