[INFO] crate dodo 0.1.1 is already in cache
[INFO] testing dodo-0.1.1 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate dodo 0.1.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate dodo 0.1.1 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 dodo 0.1.1
[INFO] finished tweaking crates.io crate dodo 0.1.1
[INFO] tweaked toml for crates.io crate dodo 0.1.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate dodo 0.1.1 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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 7480beb698e97bdcf38d687e74c1f2aa505524022a102d4f6b077bc5169fd994
[INFO] running `"docker" "start" "-a" "7480beb698e97bdcf38d687e74c1f2aa505524022a102d4f6b077bc5169fd994"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling thiserror-impl v1.0.18
[INFO] [stderr]    Compiling dodo-derive v0.1.1
[INFO] [stderr]    Compiling thiserror v1.0.18
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling dodo v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.46s
[INFO] running `"docker" "inspect" "7480beb698e97bdcf38d687e74c1f2aa505524022a102d4f6b077bc5169fd994"`
[INFO] running `"docker" "rm" "-f" "7480beb698e97bdcf38d687e74c1f2aa505524022a102d4f6b077bc5169fd994"`
[INFO] [stdout] 7480beb698e97bdcf38d687e74c1f2aa505524022a102d4f6b077bc5169fd994
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] a8f6f142aaac961826752da56b5a94a7d383c7d810a285c762026cbaa5061386
[INFO] running `"docker" "start" "-a" "a8f6f142aaac961826752da56b5a94a7d383c7d810a285c762026cbaa5061386"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling smallvec v1.4.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling pulldown-cmark v0.4.1
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling semver-parser v0.9.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling version-sync v0.8.1
[INFO] [stderr]    Compiling dodo v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `dodo::serializer::YamlSerializer`
[INFO] [stderr]  --> tests/yaml_test.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | use dodo::{serializer::YamlSerializer, prelude::*};
[INFO] [stderr]   |            ^^^^^^^^^^^^--------------
[INFO] [stderr]   |            |           |
[INFO] [stderr]   |            |           help: a similar name exists in the module: `Serializer`
[INFO] [stderr]   |            no `YamlSerializer` in `serializer`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `prelude`
[INFO] [stderr]  --> tests/yaml_test.rs:2:40
[INFO] [stderr]   |
[INFO] [stderr] 2 | use dodo::{serializer::YamlSerializer, prelude::*};
[INFO] [stderr]   |                                        ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `dodo`.
[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" "a8f6f142aaac961826752da56b5a94a7d383c7d810a285c762026cbaa5061386"`
[INFO] running `"docker" "rm" "-f" "a8f6f142aaac961826752da56b5a94a7d383c7d810a285c762026cbaa5061386"`
[INFO] [stdout] a8f6f142aaac961826752da56b5a94a7d383c7d810a285c762026cbaa5061386