[INFO] crate tokio-serde-json-mirror 0.1.0 is already in cache
[INFO] testing tokio-serde-json-mirror-0.1.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate tokio-serde-json-mirror 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tokio-serde-json-mirror 0.1.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tokio-serde-json-mirror 0.1.0
[INFO] finished tweaking crates.io crate tokio-serde-json-mirror 0.1.0
[INFO] tweaked toml for crates.io crate tokio-serde-json-mirror 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ae9546a49bf3319e6e61c43d23c43d9ba77c98a26be959a9cf1e3f059ca7db8d
[INFO] running `"docker" "start" "-a" "ae9546a49bf3319e6e61c43d23c43d9ba77c98a26be959a9cf1e3f059ca7db8d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling tokio-serde v0.2.0
[INFO] [stderr]    Compiling tokio-serde-json-mirror v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.45s
[INFO] running `"docker" "inspect" "ae9546a49bf3319e6e61c43d23c43d9ba77c98a26be959a9cf1e3f059ca7db8d"`
[INFO] running `"docker" "rm" "-f" "ae9546a49bf3319e6e61c43d23c43d9ba77c98a26be959a9cf1e3f059ca7db8d"`
[INFO] [stdout] ae9546a49bf3319e6e61c43d23c43d9ba77c98a26be959a9cf1e3f059ca7db8d
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] deba709c74d6b40517665a60df8d17ae6a1208c012f8420cf91f2f49832d3572
[INFO] running `"docker" "start" "-a" "deba709c74d6b40517665a60df8d17ae6a1208c012f8420cf91f2f49832d3572"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling tokio-serde-json-mirror v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0463]: can't find crate for `tokio_serde_json`
[INFO] [stderr]  --> examples/server.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | extern crate tokio_serde_json;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `tokio_serde_json`
[INFO] [stderr]  --> examples/client.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | extern crate tokio_serde_json;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `tokio-serde-json-mirror`.
[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" "deba709c74d6b40517665a60df8d17ae6a1208c012f8420cf91f2f49832d3572"`
[INFO] running `"docker" "rm" "-f" "deba709c74d6b40517665a60df8d17ae6a1208c012f8420cf91f2f49832d3572"`
[INFO] [stdout] deba709c74d6b40517665a60df8d17ae6a1208c012f8420cf91f2f49832d3572