[INFO] updating cached repository https://github.com/seppo0010/building-stuff
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 25aa2271c1cbc51fd37c7ff6d93df09dc2b4be94
[INFO] checking seppo0010/building-stuff against try#1a399c10897767c36d147199696c96f193034e49 for pr-72644
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseppo0010%2Fbuilding-stuff" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/seppo0010/building-stuff on toolchain 1a399c10897767c36d147199696c96f193034e49
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/seppo0010/building-stuff
[INFO] finished tweaking git repo https://github.com/seppo0010/building-stuff
[INFO] tweaked toml for git repo https://github.com/seppo0010/building-stuff written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/seppo0010/building-stuff already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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=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" "/opt/rustwide/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bc678a1712ce36f3d39656c6a5f1e4523a07469f82787b53d2705c868f5aae5c
[INFO] running `"docker" "start" "-a" "bc678a1712ce36f3d39656c6a5f1e4523a07469f82787b53d2705c868f5aae5c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.83
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]     Checking libm v0.1.2
[INFO] [stderr]     Checking atom v0.3.5
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]     Checking tuple_utils v0.2.0
[INFO] [stderr]     Checking nonzero_signed v1.0.2
[INFO] [stderr]    Compiling khronos_api v3.0.0
[INFO] [stderr]    Compiling nix v0.12.0
[INFO] [stderr]     Checking downcast-rs v1.0.3
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking wavefront_obj v5.1.0
[INFO] [stderr]     Checking hetseq v0.2.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.11
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking seahash v3.0.5
[INFO] [stderr]     Checking fluent-locale v0.4.1
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]     Checking downcast v0.9.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.3
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking colored v1.6.1
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling cmake v0.1.35
[INFO] [stderr]    Compiling minimp3-sys v0.3.1
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr] error[E0034]: multiple applicable items in scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/downcast-0.9.2/src/lib.rs:120:38
[INFO] [stderr]     |
[INFO] [stderr] 120 |     fn is_type(&self) -> bool { self.type_id() == TypeId::of::<T>() }
[INFO] [stderr]     |                                      ^^^^^^^ multiple `type_id` found
[INFO] [stderr]     |
[INFO] [stderr] note: candidate #1 is defined in the trait `Any`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/downcast-0.9.2/src/lib.rs:29:5
[INFO] [stderr]     |
[INFO] [stderr] 29  |     fn type_id(&self) -> TypeId { TypeId::of::<Self>() }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] note: candidate #2 is defined in the trait `std::any::Any`
[INFO] [stderr] help: disambiguate the associated function for candidate #1
[INFO] [stderr]     |
[INFO] [stderr] 120 |     fn is_type(&self) -> bool { Any::type_id(&self) == TypeId::of::<T>() }
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: disambiguate the associated function for candidate #2
[INFO] [stderr]     |
[INFO] [stderr] 120 |     fn is_type(&self) -> bool { std::any::Any::type_id(&self) == TypeId::of::<T>() }
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0034`.
[INFO] [stderr] error: could not compile `downcast`.
[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 `"docker" "inspect" "bc678a1712ce36f3d39656c6a5f1e4523a07469f82787b53d2705c868f5aae5c"`
[INFO] running `"docker" "rm" "-f" "bc678a1712ce36f3d39656c6a5f1e4523a07469f82787b53d2705c868f5aae5c"`
[INFO] [stdout] bc678a1712ce36f3d39656c6a5f1e4523a07469f82787b53d2705c868f5aae5c