[INFO] fetching crate warmy 0.13.0...
[INFO] testing warmy-0.13.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate warmy 0.13.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate warmy 0.13.0 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 warmy 0.13.0
[INFO] removed 1 missing examples
[INFO] finished tweaking crates.io crate warmy 0.13.0
[INFO] tweaked toml for crates.io crate warmy 0.13.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate warmy 0.13.0 already has a lockfile, it will not be regenerated
[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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 652cb7d884793966706df9f6b10c9bed02dc39baab3b355d50e1cbcc8b19f436
[INFO] running `"docker" "start" "-a" "652cb7d884793966706df9f6b10c9bed02dc39baab3b355d50e1cbcc8b19f436"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling syn v0.15.35
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling any-cache v0.2.3
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling walkdir v2.2.7
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling inotify-sys v0.1.3
[INFO] [stderr]    Compiling filetime v0.2.5
[INFO] [stderr]    Compiling inotify v0.6.1
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling mio-extras v2.0.5
[INFO] [stderr]    Compiling notify v4.0.12
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling warmy v0.13.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.01s
[INFO] running `"docker" "inspect" "652cb7d884793966706df9f6b10c9bed02dc39baab3b355d50e1cbcc8b19f436"`
[INFO] running `"docker" "rm" "-f" "652cb7d884793966706df9f6b10c9bed02dc39baab3b355d50e1cbcc8b19f436"`
[INFO] [stdout] 652cb7d884793966706df9f6b10c9bed02dc39baab3b355d50e1cbcc8b19f436
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 23bc81db3dc773b4638318890727521f35fec21618f649a5fb60f1f31a7f48f4
[INFO] running `"docker" "start" "-a" "23bc81db3dc773b4638318890727521f35fec21618f649a5fb60f1f31a7f48f4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling tempfile v3.0.8
[INFO] [stderr]    Compiling warmy v0.13.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `warmy::toml`
[INFO] [stderr]  --> examples/toml/main.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | use warmy::toml::Toml;
[INFO] [stderr]   |            ^^^^ could not find `toml` in `warmy`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `warmy`.
[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" "23bc81db3dc773b4638318890727521f35fec21618f649a5fb60f1f31a7f48f4"`
[INFO] running `"docker" "rm" "-f" "23bc81db3dc773b4638318890727521f35fec21618f649a5fb60f1f31a7f48f4"`
[INFO] [stdout] 23bc81db3dc773b4638318890727521f35fec21618f649a5fb60f1f31a7f48f4