[INFO] updating cached repository mmmpa/rust_lifegame
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mmmpa/rust_lifegame
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mmmpa/rust_lifegame" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/mmmpa/rust_lifegame"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/mmmpa/rust_lifegame'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mmmpa/rust_lifegame" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/mmmpa/rust_lifegame"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/mmmpa/rust_lifegame'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5f2f6db58f7463ab520fe75bf09dedef1b2a8413
[INFO] sha for GitHub repo mmmpa/rust_lifegame: 5f2f6db58f7463ab520fe75bf09dedef1b2a8413
[INFO] validating manifest of mmmpa/rust_lifegame 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 mmmpa/rust_lifegame 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 mmmpa/rust_lifegame
[INFO] finished frobbing mmmpa/rust_lifegame
[INFO] frobbed toml for mmmpa/rust_lifegame written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/mmmpa/rust_lifegame/Cargo.toml
[INFO] started frobbing mmmpa/rust_lifegame
[INFO] finished frobbing mmmpa/rust_lifegame
[INFO] frobbed toml for mmmpa/rust_lifegame written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/mmmpa/rust_lifegame/Cargo.toml
[INFO] crate mmmpa/rust_lifegame 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 mmmpa/rust_lifegame against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-7/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/mmmpa/rust_lifegame:/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] bef18b807392be97d3f266da397194a6c8e0daba741cf4a4f49f200205d8c55b
[INFO] running `"docker" "start" "-a" "bef18b807392be97d3f266da397194a6c8e0daba741cf4a4f49f200205d8c55b"`
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking lifegame v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/rle.rs:15:94
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn from_file(filename: &str, margin: usize) -> Result<(usize, usize, Vec<bool>), 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/rle.rs:20:92
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn from_string(body: &str, margin: usize) -> Result<(usize, usize, Vec<bool>), 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/rle.rs:35:55
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn split(raw: String) -> Result<(String, String), 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/rle.rs:70:62
[INFO] [stderr]    |
[INFO] [stderr] 70 | fn parse_setting(line: String) -> Result<(usize, usize), 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/rle.rs:15:94
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn from_file(filename: &str, margin: usize) -> Result<(usize, usize, Vec<bool>), 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/rle.rs:20:92
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn from_string(body: &str, margin: usize) -> Result<(usize, usize, Vec<bool>), 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/rle.rs:35:55
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn split(raw: String) -> Result<(String, String), 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/rle.rs:70:62
[INFO] [stderr]    |
[INFO] [stderr] 70 | fn parse_setting(line: String) -> Result<(usize, usize), 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/rle.rs:15:94
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn from_file(filename: &str, margin: usize) -> Result<(usize, usize, Vec<bool>), 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/rle.rs:20:92
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn from_string(body: &str, margin: usize) -> Result<(usize, usize, Vec<bool>), 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/rle.rs:35:55
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn split(raw: String) -> Result<(String, String), 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/rle.rs:70:62
[INFO] [stderr]    |
[INFO] [stderr] 70 | fn parse_setting(line: String) -> Result<(usize, usize), 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/main.rs:84:61
[INFO] [stderr]    |
[INFO] [stderr] 84 | fn prepare(game: &Game, delay: u16, output: &String) -> Box<FnMut(Vec<bool>) -> ()> {
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Vec<bool>) -> ()`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/rle.rs:15:94
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn from_file(filename: &str, margin: usize) -> Result<(usize, usize, Vec<bool>), 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/rle.rs:20:92
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn from_string(body: &str, margin: usize) -> Result<(usize, usize, Vec<bool>), 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/rle.rs:35:55
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn split(raw: String) -> Result<(String, String), 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/rle.rs:70:62
[INFO] [stderr]    |
[INFO] [stderr] 70 | fn parse_setting(line: String) -> Result<(usize, usize), 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/main.rs:84:61
[INFO] [stderr]    |
[INFO] [stderr] 84 | fn prepare(game: &Game, delay: u16, output: &String) -> Box<FnMut(Vec<bool>) -> ()> {
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Vec<bool>) -> ()`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `work`
[INFO] [stderr]  --> src/benchmark.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn work() {
[INFO] [stderr]   | ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.85s
[INFO] running `"docker" "inspect" "bef18b807392be97d3f266da397194a6c8e0daba741cf4a4f49f200205d8c55b"`
[INFO] running `"docker" "rm" "-f" "bef18b807392be97d3f266da397194a6c8e0daba741cf4a4f49f200205d8c55b"`
[INFO] [stdout] bef18b807392be97d3f266da397194a6c8e0daba741cf4a4f49f200205d8c55b