[INFO] fetching crate dodo 0.3.0...
[INFO] checking dodo-0.3.0 against beta for pr-78714
[INFO] extracting crate dodo 0.3.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate dodo 0.3.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dodo 0.3.0
[INFO] finished tweaking crates.io crate dodo 0.3.0
[INFO] tweaked toml for crates.io crate dodo 0.3.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate dodo 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 076a41d484fc6a558cda40747d2c642fe48e8723310ac4ba7c85c5b059841dd8
[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" "076a41d484fc6a558cda40747d2c642fe48e8723310ac4ba7c85c5b059841dd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "076a41d484fc6a558cda40747d2c642fe48e8723310ac4ba7c85c5b059841dd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "076a41d484fc6a558cda40747d2c642fe48e8723310ac4ba7c85c5b059841dd8", kill_on_drop: false }`
[INFO] [stdout] 076a41d484fc6a558cda40747d2c642fe48e8723310ac4ba7c85c5b059841dd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2af0dde38b2cc0f3fc51c1a22c6941d2958efa303411f54ac5a4492ed07e758
[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" "c2af0dde38b2cc0f3fc51c1a22c6941d2958efa303411f54ac5a4492ed07e758", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]     Checking regex-syntax v0.6.20
[INFO] [stderr]     Checking semver-parser v0.9.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking syn v1.0.48
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling dodo-derive v0.3.0
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking version-sync v0.9.1
[INFO] [stderr]     Checking dodo v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `dodo::YamlSerializer`
[INFO] [stdout]  --> tests/serializer/yaml.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use dodo::{Serializer, YamlSerializer};
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^
[INFO] [stdout]   |                        |
[INFO] [stdout]   |                        no `YamlSerializer` in the root
[INFO] [stdout]   |                        help: a similar name exists in the module: `JsonSerializer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Serializer`
[INFO] [stdout]  --> tests/serializer/yaml.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use dodo::{Serializer, YamlSerializer};
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dodo`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "c2af0dde38b2cc0f3fc51c1a22c6941d2958efa303411f54ac5a4492ed07e758", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2af0dde38b2cc0f3fc51c1a22c6941d2958efa303411f54ac5a4492ed07e758", kill_on_drop: false }`
[INFO] [stdout] c2af0dde38b2cc0f3fc51c1a22c6941d2958efa303411f54ac5a4492ed07e758