[INFO] crate dodo 0.1.1 is already in cache
[INFO] testing dodo-0.1.1 against 1.44.0 for beta-1.45-1
[INFO] extracting crate dodo 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate dodo 0.1.1 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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-4/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" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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=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" "+1.44.0" "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] f4e2a3bda56e1bc98eef5b304418ecef99790ae665529423656d0e8b15479730
[INFO] running `"docker" "start" "-a" "f4e2a3bda56e1bc98eef5b304418ecef99790ae665529423656d0e8b15479730"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling serde v1.0.110
[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_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 45.44s
[INFO] running `"docker" "inspect" "f4e2a3bda56e1bc98eef5b304418ecef99790ae665529423656d0e8b15479730"`
[INFO] running `"docker" "rm" "-f" "f4e2a3bda56e1bc98eef5b304418ecef99790ae665529423656d0e8b15479730"`
[INFO] [stdout] f4e2a3bda56e1bc98eef5b304418ecef99790ae665529423656d0e8b15479730
[INFO] running `"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=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" "+1.44.0" "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] a14b95948ada54118fa46199ce2b6e690a78b0817aafefc82abc7176609108a3
[INFO] running `"docker" "start" "-a" "a14b95948ada54118fa46199ce2b6e690a78b0817aafefc82abc7176609108a3"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling pulldown-cmark v0.4.1
[INFO] [stderr]    Compiling semver-parser v0.9.0
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.44
[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" "a14b95948ada54118fa46199ce2b6e690a78b0817aafefc82abc7176609108a3"`
[INFO] running `"docker" "rm" "-f" "a14b95948ada54118fa46199ce2b6e690a78b0817aafefc82abc7176609108a3"`
[INFO] [stdout] a14b95948ada54118fa46199ce2b6e690a78b0817aafefc82abc7176609108a3