[INFO] updating cached repository boustrophedon/rss-downloader
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/boustrophedon/rss-downloader
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/boustrophedon/rss-downloader" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/boustrophedon/rss-downloader"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/boustrophedon/rss-downloader'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/boustrophedon/rss-downloader" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/boustrophedon/rss-downloader"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/boustrophedon/rss-downloader'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] be1c8bf176ef2d3530914803634e44160573999b
[INFO] sha for GitHub repo boustrophedon/rss-downloader: be1c8bf176ef2d3530914803634e44160573999b
[INFO] validating manifest of boustrophedon/rss-downloader on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of boustrophedon/rss-downloader on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing boustrophedon/rss-downloader
[INFO] finished frobbing boustrophedon/rss-downloader
[INFO] frobbed toml for boustrophedon/rss-downloader written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/boustrophedon/rss-downloader/Cargo.toml
[INFO] started frobbing boustrophedon/rss-downloader
[INFO] finished frobbing boustrophedon/rss-downloader
[INFO] frobbed toml for boustrophedon/rss-downloader written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/boustrophedon/rss-downloader/Cargo.toml
[INFO] crate boustrophedon/rss-downloader already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking boustrophedon/rss-downloader against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-0/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/boustrophedon/rss-downloader:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d3c2a91c0bacb845a31cf76c5832884f31b9317fc4611708efd8693c90e51f58
[INFO] running `"docker" "start" "-a" "d3c2a91c0bacb845a31cf76c5832884f31b9317fc4611708efd8693c90e51f58"`
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking fern v0.5.4
[INFO] [stderr]    Compiling derive_builder_core v0.2.0
[INFO] [stderr]     Checking csv v1.0.0-beta.5
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking structopt v0.2.5
[INFO] [stderr]     Checking tokio-tls v0.1.4
[INFO] [stderr]     Checking hyper-tls v0.1.2
[INFO] [stderr]    Compiling derive_builder v0.5.1
[INFO] [stderr]     Checking reqwest v0.8.5
[INFO] [stderr]     Checking backtrace v0.3.5
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking quick-xml v0.12.1
[INFO] [stderr]     Checking rss v1.4.0
[INFO] [stderr]     Checking rss-torrent v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:93:59
[INFO] [stderr]    |
[INFO] [stderr] 93 |     pub fn from_file(mut f: File) -> Result<RTConfig, Box<Error>> {
[INFO] [stderr]    |                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/alias.rs:37:48
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn to_alias(self) -> Result<Alias, Box<Error>> {
[INFO] [stderr]    |                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/alias_util.rs:14:65
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn open_or_create_alias_db(data_dir: &Path) -> Result<File, Box<Error>> {
[INFO] [stderr]    |                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/alias_util.rs:35:62
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub fn read_alias_db(data_dir: &Path) -> Result<Aliases, Box<Error>> {
[INFO] [stderr]    |                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/alias_util.rs:55:80
[INFO] [stderr]    |
[INFO] [stderr] 55 | pub fn write_alias_db(data_dir: &Path, mut aliases: Aliases) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/feed_util.rs:52:46
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn to_feed(self) -> Result<Feed, Box<Error>> {
[INFO] [stderr]    |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/feed_util.rs:78:64
[INFO] [stderr]    |
[INFO] [stderr] 78 | fn open_or_create_feed_db(data_dir: &Path) -> Result<File, Box<Error>> {
[INFO] [stderr]    |                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/feed_util.rs:99:59
[INFO] [stderr]    |
[INFO] [stderr] 99 | pub fn read_feed_db(data_dir: &Path) -> Result<Feeds, Box<Error>> {
[INFO] [stderr]    |                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/feed_util.rs:123:75
[INFO] [stderr]     |
[INFO] [stderr] 123 | pub fn write_feed_db(data_dir: &Path, mut feeds: Feeds) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:93:59
[INFO] [stderr]    |
[INFO] [stderr] 93 |     pub fn from_file(mut f: File) -> Result<RTConfig, Box<Error>> {
[INFO] [stderr]    |                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/alias.rs:37:48
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn to_alias(self) -> Result<Alias, Box<Error>> {
[INFO] [stderr]    |                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/alias_util.rs:14:65
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn open_or_create_alias_db(data_dir: &Path) -> Result<File, Box<Error>> {
[INFO] [stderr]    |                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/alias_util.rs:35:62
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub fn read_alias_db(data_dir: &Path) -> Result<Aliases, Box<Error>> {
[INFO] [stderr]    |                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/alias_util.rs:55:80
[INFO] [stderr]    |
[INFO] [stderr] 55 | pub fn write_alias_db(data_dir: &Path, mut aliases: Aliases) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/feed_util.rs:52:46
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn to_feed(self) -> Result<Feed, Box<Error>> {
[INFO] [stderr]    |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/feed_util.rs:78:64
[INFO] [stderr]    |
[INFO] [stderr] 78 | fn open_or_create_feed_db(data_dir: &Path) -> Result<File, Box<Error>> {
[INFO] [stderr]    |                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/feed_util.rs:99:59
[INFO] [stderr]    |
[INFO] [stderr] 99 | pub fn read_feed_db(data_dir: &Path) -> Result<Feeds, Box<Error>> {
[INFO] [stderr]    |                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/feed_util.rs:123:75
[INFO] [stderr]     |
[INFO] [stderr] 123 | pub fn write_feed_db(data_dir: &Path, mut feeds: Feeds) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]    --> src/config.rs:123:20
[INFO] [stderr]     |
[INFO] [stderr] 123 |         let home = env::home_dir();
[INFO] [stderr]     |                    ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]    --> src/config.rs:123:20
[INFO] [stderr]     |
[INFO] [stderr] 123 |         let home = env::home_dir();
[INFO] [stderr]     |                    ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]  --> src/update.rs:3:19
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn run_update(config: &RTConfig) {
[INFO] [stderr]   |                   ^^^^^^ help: consider prefixing with an underscore: `_config`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `delete`
[INFO] [stderr]  --> src/delete.rs:4:20
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn delete_feed(delete: RTDelete, config: &RTConfig) {
[INFO] [stderr]   |                    ^^^^^^ help: consider prefixing with an underscore: `_delete`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]  --> src/delete.rs:4:38
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn delete_feed(delete: RTDelete, config: &RTConfig) {
[INFO] [stderr]   |                                      ^^^^^^ help: consider prefixing with an underscore: `_config`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]  --> src/update.rs:3:19
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn run_update(config: &RTConfig) {
[INFO] [stderr]   |                   ^^^^^^ help: consider prefixing with an underscore: `_config`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `delete`
[INFO] [stderr]  --> src/delete.rs:4:20
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn delete_feed(delete: RTDelete, config: &RTConfig) {
[INFO] [stderr]   |                    ^^^^^^ help: consider prefixing with an underscore: `_delete`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]  --> src/delete.rs:4:38
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn delete_feed(delete: RTDelete, config: &RTConfig) {
[INFO] [stderr]   |                                      ^^^^^^ help: consider prefixing with an underscore: `_config`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.42s
[INFO] running `"docker" "inspect" "d3c2a91c0bacb845a31cf76c5832884f31b9317fc4611708efd8693c90e51f58"`
[INFO] running `"docker" "rm" "-f" "d3c2a91c0bacb845a31cf76c5832884f31b9317fc4611708efd8693c90e51f58"`
[INFO] [stdout] d3c2a91c0bacb845a31cf76c5832884f31b9317fc4611708efd8693c90e51f58