[INFO] fetching crate mxruntime 0.1.0...
[INFO] checking mxruntime-0.1.0 against master#4fb54ed484e2239a3e9eff3be17df00d2a162be3 for pr-73345
[INFO] extracting crate mxruntime 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mxruntime 0.1.0 on toolchain 4fb54ed484e2239a3e9eff3be17df00d2a162be3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mxruntime 0.1.0
[INFO] removed path dependency magenta from crates.io crate mxruntime 0.1.0
[INFO] removed path dependency magenta-sys from crates.io crate mxruntime 0.1.0
[INFO] removed path dependency mxruntime-sys from crates.io crate mxruntime 0.1.0
[INFO] finished tweaking crates.io crate mxruntime 0.1.0
[INFO] tweaked toml for crates.io crate mxruntime 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3288b4aeab2ddcf630078f77ed586b1084b50f4c54e8a0d28dc621ed248f64a7
[INFO] running `Command { std: "docker" "start" "-a" "3288b4aeab2ddcf630078f77ed586b1084b50f4c54e8a0d28dc621ed248f64a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3288b4aeab2ddcf630078f77ed586b1084b50f4c54e8a0d28dc621ed248f64a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3288b4aeab2ddcf630078f77ed586b1084b50f4c54e8a0d28dc621ed248f64a7", kill_on_drop: false }`
[INFO] [stdout] 3288b4aeab2ddcf630078f77ed586b1084b50f4c54e8a0d28dc621ed248f64a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 661f874406c38420dc4c10330680d0996e41971a4d24cc19ac80aa5d34b37b2a
[INFO] running `Command { std: "docker" "start" "-a" "661f874406c38420dc4c10330680d0996e41971a4d24cc19ac80aa5d34b37b2a", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking magenta-sys v0.1.1
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]     Checking mxruntime-sys v0.1.0
[INFO] [stderr]     Checking magenta v0.1.1
[INFO] [stderr]     Checking mxruntime v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find value `MX_OBJECT_SIGNAL_0` in crate `magenta`
[INFO] [stdout]    --> examples/simple_fidl_server.rs:17:63
[INFO] [stdout]     |
[INFO] [stdout] 17  | const MX_CHANNEL_SIGNAL_READABLE: magenta::Signals = magenta::MX_OBJECT_SIGNAL_0;
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^^^^^ help: a constant with a similar name exists: `MX_USER_SIGNAL_0`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bitflags-0.7.0/src/lib.rs:188:29
[INFO] [stdout]     |
[INFO] [stdout] 188 |         $($(#[$Flag_attr])* pub const $Flag: $BitFlags = $BitFlags { bits: $value };)+
[INFO] [stdout]     |                             -------------------------------------- similarly named constant `MX_USER_SIGNAL_0` defined here
[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 E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mxruntime`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "661f874406c38420dc4c10330680d0996e41971a4d24cc19ac80aa5d34b37b2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "661f874406c38420dc4c10330680d0996e41971a4d24cc19ac80aa5d34b37b2a", kill_on_drop: false }`
[INFO] [stdout] 661f874406c38420dc4c10330680d0996e41971a4d24cc19ac80aa5d34b37b2a