[INFO] cloning repository https://github.com/sdotz/mongo-newrelic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sdotz/mongo-newrelic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdotz%2Fmongo-newrelic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdotz%2Fmongo-newrelic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 504d5cc9d80660c06b8b1f591b960969c48d434c
[INFO] checking sdotz/mongo-newrelic against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdotz%2Fmongo-newrelic" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sdotz/mongo-newrelic on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sdotz/mongo-newrelic
[INFO] finished tweaking git repo https://github.com/sdotz/mongo-newrelic
[INFO] tweaked toml for git repo https://github.com/sdotz/mongo-newrelic written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/sdotz/mongo-newrelic already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/sdotz/mongo-rust-driver-prototype.git`
[INFO] [stderr]     Updating git submodule `git://github.com/mongodb/specifications.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded chrono v0.2.19
[INFO] [stderr]   Downloaded openssl-sys v0.7.5
[INFO] [stderr]   Downloaded rustc_version v0.1.6
[INFO] [stderr]   Downloaded quasi_codegen v0.4.0
[INFO] [stderr]   Downloaded bson v0.1.5
[INFO] [stderr]   Downloaded openssl v0.7.5
[INFO] [stderr]   Downloaded semver v0.2.2
[INFO] [stderr]   Downloaded textnonce v0.1.2
[INFO] [stderr]   Downloaded nom v1.2.0
[INFO] [stderr]   Downloaded toml v0.1.27
[INFO] [stderr]   Downloaded openssl-sys-extras v0.7.5
[INFO] [stderr]   Downloaded language-tags v0.2.1
[INFO] [stderr]   Downloaded url v0.5.4
[INFO] [stderr]   Downloaded quasi v0.4.0
[INFO] [stderr]   Downloaded aster v0.10.1
[INFO] [stderr]   Downloaded serde_codegen v0.6.11
[INFO] [stderr]   Downloaded clippy v0.0.37
[INFO] [stderr]   Downloaded serde_macros v0.6.11
[INFO] [stderr]   Downloaded quasi_macros v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] accfaf7f8265818fab4da19c090bcadc6f568550eacfb266cf418f03c4a3337d
[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" "accfaf7f8265818fab4da19c090bcadc6f568550eacfb266cf418f03c4a3337d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "accfaf7f8265818fab4da19c090bcadc6f568550eacfb266cf418f03c4a3337d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "accfaf7f8265818fab4da19c090bcadc6f568550eacfb266cf418f03c4a3337d", kill_on_drop: false }`
[INFO] [stdout] accfaf7f8265818fab4da19c090bcadc6f568550eacfb266cf418f03c4a3337d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c7dfeee1c41907c12d2a2706c0a4bcd0059f16f14fb236055e6a889f30ba20d
[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" "5c7dfeee1c41907c12d2a2706c0a4bcd0059f16f14fb236055e6a889f30ba20d", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking libc v0.2.6
[INFO] [stderr]     Checking rustc-serialize v0.3.16
[INFO] [stderr]    Compiling gcc v0.3.21
[INFO] [stderr]    Compiling pkg-config v0.3.6
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling nom v1.2.0
[INFO] [stderr]    Compiling aster v0.10.1
[INFO] [stderr]     Checking matches v0.1.2
[INFO] [stderr]     Checking lazy_static v0.1.15
[INFO] [stderr]     Checking unicode-normalization v0.1.2
[INFO] [stderr]    Compiling serde_codegen v0.6.11
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]     Checking bitflags v0.3.3
[INFO] [stderr]     Checking byteorder v0.3.13
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/aster-0.10.1/src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | extern crate syntax;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[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 E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aster`
[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] [stdout] error[E0642]: patterns aren't allowed in functions without bodies
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.16/src/serialize.rs:145:45
[INFO] [stdout]     |
[INFO] [stdout] 145 | ...                   &f_name: &str,
[INFO] [stdout]     |                       ^^^^^^^ pattern not allowed in function without body
[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 E0642`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5c7dfeee1c41907c12d2a2706c0a4bcd0059f16f14fb236055e6a889f30ba20d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c7dfeee1c41907c12d2a2706c0a4bcd0059f16f14fb236055e6a889f30ba20d", kill_on_drop: false }`
[INFO] [stdout] 5c7dfeee1c41907c12d2a2706c0a4bcd0059f16f14fb236055e6a889f30ba20d