[INFO] updating cached repository https://github.com/vittsjo/eriksync
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f9de935c144d6561f7c970c1d4c6b07e3873dcc9
[INFO] checking vittsjo/eriksync against master#bd0bacc694d7d8175804bb6f690cb846bfa4a9ee for pr-71665
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvittsjo%2Feriksync" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vittsjo/eriksync on toolchain bd0bacc694d7d8175804bb6f690cb846bfa4a9ee
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/vittsjo/eriksync
[INFO] finished tweaking git repo https://github.com/vittsjo/eriksync
[INFO] tweaked toml for git repo https://github.com/vittsjo/eriksync written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/vittsjo/eriksync already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "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=forbid" "-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" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8788a4b4266682a8e7c7e3a7e082ae8ba4d5b57972916a32f6bdf8a01f26486e
[INFO] running `"docker" "start" "-a" "8788a4b4266682a8e7c7e3a7e082ae8ba4d5b57972916a32f6bdf8a01f26486e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking serde v1.0.15
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking errln v0.1.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking textwrap v0.8.0
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking clap v2.26.2
[INFO] [stderr]    Compiling serde_derive_internals v0.16.0
[INFO] [stderr]    Compiling serde_derive v1.0.15
[INFO] [stderr]     Checking serde_yaml v0.7.1
[INFO] [stderr]     Checking toml v0.4.5
[INFO] [stderr]     Checking serde_json v1.0.3
[INFO] [stderr]     Checking eriksync v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variant `yaml` should have an upper camel case name
[INFO] [stderr]   --> src/eriksync/config/mod.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     yaml,
[INFO] [stderr]    |     ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Yaml`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `json` should have an upper camel case name
[INFO] [stderr]   --> src/eriksync/config/mod.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     json,
[INFO] [stderr]    |     ^^^^ help: convert the identifier to upper camel case: `Json`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `toml` should have an upper camel case name
[INFO] [stderr]   --> src/eriksync/config/mod.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     toml,
[INFO] [stderr]    |     ^^^^ help: convert the identifier to upper camel case: `Toml`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `yaml` should have an upper camel case name
[INFO] [stderr]   --> src/eriksync/config/mod.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     yaml,
[INFO] [stderr]    |     ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Yaml`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `json` should have an upper camel case name
[INFO] [stderr]   --> src/eriksync/config/mod.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     json,
[INFO] [stderr]    |     ^^^^ help: convert the identifier to upper camel case: `Json`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `toml` should have an upper camel case name
[INFO] [stderr]   --> src/eriksync/config/mod.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     toml,
[INFO] [stderr]    |     ^^^^ help: convert the identifier to upper camel case: `Toml`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.54s
[INFO] running `"docker" "inspect" "8788a4b4266682a8e7c7e3a7e082ae8ba4d5b57972916a32f6bdf8a01f26486e"`
[INFO] running `"docker" "rm" "-f" "8788a4b4266682a8e7c7e3a7e082ae8ba4d5b57972916a32f6bdf8a01f26486e"`
[INFO] [stdout] 8788a4b4266682a8e7c7e3a7e082ae8ba4d5b57972916a32f6bdf8a01f26486e