[INFO] updating cached repository https://github.com/txstate-etc/d2l-sync
[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] 51e65dd0471c7fbb56c64a4659fe9ff80e5dd921
[INFO] testing txstate-etc/d2l-sync against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftxstate-etc%2Fd2l-sync" "/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/txstate-etc/d2l-sync on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/txstate-etc/d2l-sync
[INFO] finished tweaking git repo https://github.com/txstate-etc/d2l-sync
[INFO] tweaked toml for git repo https://github.com/txstate-etc/d2l-sync written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/txstate-etc/d2l-sync 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] [stderr] Blocking waiting for file lock on package cache
[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] [stdout] b5eacddedb80e014c1ab8c245cfee230f9bde1209fb82a0b244bfe194f6fc0a1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "b5eacddedb80e014c1ab8c245cfee230f9bde1209fb82a0b244bfe194f6fc0a1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] Compiling futures v0.1.24
[INFO] [stderr] Compiling serde v1.0.79
[INFO] [stderr] Compiling openssl v0.10.12
[INFO] [stderr] Compiling httparse v1.3.2
[INFO] [stderr] Compiling native-tls v0.2.1
[INFO] [stderr] Compiling constant_time_eq v0.1.3
[INFO] [stderr] Compiling uuid v0.5.1
[INFO] [stderr] Compiling bit-vec v0.4.4
[INFO] [stderr] Compiling smallvec v0.4.5
[INFO] [stderr] Compiling bufstream v0.1.3
[INFO] [stderr] Compiling log v0.4.5
[INFO] [stderr] Compiling net2 v0.2.33
[INFO] [stderr] Compiling memchr v2.1.0
[INFO] [stderr] Compiling unicase v2.1.0
[INFO] [stderr] Compiling encoding_rs v0.8.7
[INFO] [stderr] Compiling unreachable v1.0.0
[INFO] [stderr] Compiling openssl-sys v0.9.36
[INFO] [stderr] Compiling ring v0.13.2
[INFO] [stderr] Compiling regex-syntax v0.5.6
[INFO] [stderr] Compiling nix v0.9.0
[INFO] [stderr] Compiling twox-hash v1.1.1
[INFO] [stderr] Compiling uuid v0.7.1
[INFO] [stderr] Compiling proc-macro2 v0.4.19
[INFO] [stderr] Compiling smallvec v0.6.5
[INFO] [stderr] Compiling num-integer v0.1.39
[INFO] [stderr] Compiling atoi v0.2.3
[INFO] [stderr] Compiling generic-array v0.9.0
[INFO] [stderr] Compiling crossbeam-epoch v0.5.2
[INFO] [stderr] Compiling thread_local v0.3.6
[INFO] [stderr] Compiling mio v0.6.16
[INFO] [stderr] Compiling phf_generator v0.7.23
[INFO] [stderr] Compiling parking_lot_core v0.3.1
[INFO] [stderr] Compiling digest v0.7.6
[INFO] [stderr] Compiling crypto-mac v0.6.2
[INFO] [stderr] Compiling aho-corasick v0.6.8
[INFO] [stderr] Compiling chrono v0.4.6
[INFO] [stderr] Compiling crossbeam-deque v0.6.1
[INFO] [stderr] Compiling quote v0.6.8
[INFO] [stderr] Compiling phf_codegen v0.7.23
[INFO] [stderr] Compiling mime v0.3.9
[INFO] [stderr] Compiling parking_lot v0.6.4
[INFO] [stderr] Compiling sha2 v0.7.1
[INFO] [stderr] Compiling hmac v0.6.3
[INFO] [stderr] Compiling syn v0.15.6
[INFO] [stderr] Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr] Compiling mio-uds v0.6.7
[INFO] [stderr] Compiling tokio-executor v0.1.5
[INFO] [stderr] Compiling tokio-io v0.1.9
[INFO] [stderr] Compiling want v0.0.6
[INFO] [stderr] Compiling futures-cpupool v0.1.8
[INFO] [stderr] Compiling tokio-threadpool v0.1.7
[INFO] [stderr] Compiling tokio-current-thread v0.1.2
[INFO] [stderr] Compiling tokio-timer v0.2.7
[INFO] [stderr] Compiling tokio-reactor v0.1.6
[INFO] [stderr] Compiling tokio-codec v0.1.1
[INFO] [stderr] Compiling h2 v0.1.12
[INFO] [stderr] Compiling regex v0.2.11
[INFO] [stderr] Compiling tokio-fs v0.1.3
[INFO] [stderr] Compiling tokio-tcp v0.1.2
[INFO] [stderr] Compiling tokio-uds v0.2.1
[INFO] [stderr] Compiling tokio-udp v0.1.2
[INFO] [stderr] Compiling webpki v0.18.1
[INFO] [stderr] Compiling sct v0.4.0
[INFO] [stderr] Compiling tokio v0.1.9
[INFO] [stderr] Compiling rustls v0.13.1
[INFO] [stderr] Compiling serde_derive v1.0.79
[INFO] [stderr] Compiling hyper v0.12.10
[INFO] [stderr] Compiling serde_json v1.0.31
[INFO] [stderr] Compiling serde_urlencoded v0.5.3
[INFO] [stderr] Compiling hyper-tls v0.3.0
[INFO] [stderr] Compiling mysql_common v0.5.0
[INFO] [stderr] Compiling reqwest v0.9.2
[INFO] [stderr] Compiling mysql v12.3.1
[INFO] [stderr] Compiling d2l-sync v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr] --> src/main.rs:75:1
[INFO] [stderr] |
[INFO] [stderr] 75 | /// SOURCE environment variable contains
[INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr] |
[INFO] [stderr] = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr] --> src/main.rs:76:1
[INFO] [stderr] |
[INFO] [stderr] 76 | /// the "warehouse" connection uri.
[INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr] |
[INFO] [stderr] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr] --> src/main.rs:77:1
[INFO] [stderr] |
[INFO] [stderr] 77 | /// This database will be used to read
[INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr] |
[INFO] [stderr] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr] --> src/main.rs:78:1
[INFO] [stderr] |
[INFO] [stderr] 78 | /// journal entries to find users that
[INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr] |
[INFO] [stderr] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr] --> src/main.rs:79:1
[INFO] [stderr] |
[INFO] [stderr] 79 | /// need to be updated as well as pull
[INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr] |
[INFO] [stderr] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr] --> src/main.rs:80:1
[INFO] [stderr] |
[INFO] [stderr] 80 | /// user information used to sync d2l
[INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr] |
[INFO] [stderr] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr] --> src/main.rs:81:1
[INFO] [stderr] |
[INFO] [stderr] 81 | /// Example: "mysql://usr:pwd@host:port/database?options"
[INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr] |
[INFO] [stderr] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr] --> src/sync.rs:45:63
[INFO] [stderr] |
[INFO] [stderr] 45 | pub fn read(&self, user_base: &UserBase) -> Result