[INFO] fetching crate ex-web-api-rust 0.1.1...
[INFO] checking ex-web-api-rust-0.1.1 against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819
[INFO] extracting crate ex-web-api-rust 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ex-web-api-rust 0.1.1 on toolchain 4a04890980766cc79878135f5ade8c0c4321e943
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ex-web-api-rust 0.1.1
[INFO] finished tweaking crates.io crate ex-web-api-rust 0.1.1
[INFO] tweaked toml for crates.io crate ex-web-api-rust 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate ex-web-api-rust 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bed6374a7fe0889ea0db40c08497f4cbd5de890443b6511faaeff96742b99d83
[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" "bed6374a7fe0889ea0db40c08497f4cbd5de890443b6511faaeff96742b99d83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bed6374a7fe0889ea0db40c08497f4cbd5de890443b6511faaeff96742b99d83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bed6374a7fe0889ea0db40c08497f4cbd5de890443b6511faaeff96742b99d83", kill_on_drop: false }`
[INFO] [stdout] bed6374a7fe0889ea0db40c08497f4cbd5de890443b6511faaeff96742b99d83
[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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20eebe49a4d16b5781898f8842f05924e11ab1d0c79786ac85b5f4a1c53b0d76
[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" "20eebe49a4d16b5781898f8842f05924e11ab1d0c79786ac85b5f4a1c53b0d76", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ring-0.13.5/build.rs:432:20
[INFO] [stdout]     |
[INFO] [stdout] 432 |         .for_each(|&(lib_name, srcs, additional_srcs)| {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stdout]     |                    |                                |
[INFO] [stdout]     |                    |                                expected due to this
[INFO] [stdout]     |                    expected tuple, found reference
[INFO] [stdout]     |
[INFO] [stdout]     = note:  expected tuple `(&str, &[PathBuf], &[PathBuf])`
[INFO] [stdout]             found reference `&_`
[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 `ring`
[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" "20eebe49a4d16b5781898f8842f05924e11ab1d0c79786ac85b5f4a1c53b0d76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20eebe49a4d16b5781898f8842f05924e11ab1d0c79786ac85b5f4a1c53b0d76", kill_on_drop: false }`
[INFO] [stdout] 20eebe49a4d16b5781898f8842f05924e11ab1d0c79786ac85b5f4a1c53b0d76