[INFO] updating cached repository ademonov/bingo-bot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ademonov/bingo-bot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ademonov/bingo-bot" "work/ex/beta-1.38-1/sources/1.37.0/gh/ademonov/bingo-bot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ademonov/bingo-bot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ademonov/bingo-bot" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ademonov/bingo-bot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ademonov/bingo-bot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8c39e5b0cbb318b98097cdadafc211460c699bcf
[INFO] sha for GitHub repo ademonov/bingo-bot: 8c39e5b0cbb318b98097cdadafc211460c699bcf
[INFO] validating manifest of ademonov/bingo-bot on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ademonov/bingo-bot on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ademonov/bingo-bot
[INFO] finished frobbing ademonov/bingo-bot
[INFO] frobbed toml for ademonov/bingo-bot written to work/ex/beta-1.38-1/sources/1.37.0/gh/ademonov/bingo-bot/Cargo.toml
[INFO] started frobbing ademonov/bingo-bot
[INFO] finished frobbing ademonov/bingo-bot
[INFO] frobbed toml for ademonov/bingo-bot written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ademonov/bingo-bot/Cargo.toml
[INFO] crate ademonov/bingo-bot already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ademonov/bingo-bot against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ademonov/bingo-bot:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] a357691323ec80859c90115aea7f29955f318b6769205f0bd3c284db1a1b3913
[INFO] running `"docker" "start" "-a" "a357691323ec80859c90115aea7f29955f318b6769205f0bd3c284db1a1b3913"`
[INFO] [stderr]    Compiling quick-error v1.1.0
[INFO] [stderr]    Compiling serde_test v0.8.21
[INFO] [stderr]    Compiling unsafe-any v0.4.1
[INFO] [stderr]    Compiling ordered-float v0.2.3
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling humantime v1.0.0
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling serde-value v0.3.1
[INFO] [stderr]    Compiling linked-hash-map v0.3.0
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling serde_yaml v0.5.0
[INFO] [stderr]    Compiling log4rs v0.5.2
[INFO] [stderr]    Compiling bingo-bot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/formatting.rs:7:27
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn format(&self, fp: &FormatProvider) -> String;
[INFO] [stderr]   |                           ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FormatProvider`
[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/bingo/cards.rs:63:27
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn format(&self, fp: &FormatProvider) -> String {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FormatProvider`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bingo/cards.rs:75:27
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn format(&self, fp: &FormatProvider) -> String {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FormatProvider`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]  --> src/bingo/words.rs:2:21
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub fn split<'a, I>(s: &'a str) -> I where I: Iterator<Item = &'a &'a str> {
[INFO] [stderr]   |                     ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/http.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let mut s_buf:String;
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `listening`
[INFO] [stderr]  --> src/http.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn listening(url: &str) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `handle_proc`
[INFO] [stderr]   --> src/http.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn handle_proc(req: Request, mut res: Response) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `GitterMdFormatProvider`
[INFO] [stderr]   --> src/formatting.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct GitterMdFormatProvider;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/formatting.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn new() -> GitterMdFormatProvider{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/bingo/cards.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn new(word: &'a str) -> CardCell<'a> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `check`
[INFO] [stderr]   --> src/bingo/cards.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn check(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Card`
[INFO] [stderr]   --> src/bingo/cards.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub struct Card<'a> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/bingo/cards.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn new<I>(word_iter: I) -> Card<'a> where I: Iterator<Item = &'a &'a str> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `check_cell`
[INFO] [stderr]   --> src/bingo/cards.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn check_cell(&mut self, row: usize, col: usize) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fill_cells`
[INFO] [stderr]   --> src/bingo/cards.rs:47:1
[INFO] [stderr]    |
[INFO] [stderr] 47 | fn fill_cells<'a, I>(word_iter: I) -> [[CardCell<'a>; COL_COUNT]; ROW_COUNT] where I: Iterator<Item = &'a &'a str> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `split`
[INFO] [stderr]  --> src/bingo/words.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub fn split<'a, I>(s: &'a str) -> I where I: Iterator<Item = &'a &'a str> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Word`
[INFO] [stderr]  --> src/bingo/words.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct Word {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/bingo/words.rs:12:6
[INFO] [stderr]    |
[INFO] [stderr] 12 |      pub fn new(title: &str, synonyms: Vec<&str>) -> Word {
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.40s
[INFO] running `"docker" "inspect" "a357691323ec80859c90115aea7f29955f318b6769205f0bd3c284db1a1b3913"`
[INFO] running `"docker" "rm" "-f" "a357691323ec80859c90115aea7f29955f318b6769205f0bd3c284db1a1b3913"`
[INFO] [stdout] a357691323ec80859c90115aea7f29955f318b6769205f0bd3c284db1a1b3913
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ademonov/bingo-bot:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 464642db41d409da65ee78aa6e6c5af63e22b07091ae5c49054391960c9fbbca
[INFO] running `"docker" "start" "-a" "464642db41d409da65ee78aa6e6c5af63e22b07091ae5c49054391960c9fbbca"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bingo-bot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/formatting.rs:7:27
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn format(&self, fp: &FormatProvider) -> String;
[INFO] [stderr]   |                           ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FormatProvider`
[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/bingo/cards.rs:63:27
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn format(&self, fp: &FormatProvider) -> String {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FormatProvider`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bingo/cards.rs:75:27
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn format(&self, fp: &FormatProvider) -> String {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FormatProvider`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]  --> src/bingo/words.rs:2:21
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub fn split<'a, I>(s: &'a str) -> I where I: Iterator<Item = &'a &'a str> {
[INFO] [stderr]   |                     ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/http.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let mut s_buf:String;
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `listening`
[INFO] [stderr]  --> src/http.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn listening(url: &str) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `handle_proc`
[INFO] [stderr]   --> src/http.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn handle_proc(req: Request, mut res: Response) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `GitterMdFormatProvider`
[INFO] [stderr]   --> src/formatting.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct GitterMdFormatProvider;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/formatting.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn new() -> GitterMdFormatProvider{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `split`
[INFO] [stderr]  --> src/bingo/words.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub fn split<'a, I>(s: &'a str) -> I where I: Iterator<Item = &'a &'a str> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Word`
[INFO] [stderr]  --> src/bingo/words.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct Word {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/bingo/words.rs:12:6
[INFO] [stderr]    |
[INFO] [stderr] 12 |      pub fn new(title: &str, synonyms: Vec<&str>) -> Word {
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `"docker" "inspect" "464642db41d409da65ee78aa6e6c5af63e22b07091ae5c49054391960c9fbbca"`
[INFO] running `"docker" "rm" "-f" "464642db41d409da65ee78aa6e6c5af63e22b07091ae5c49054391960c9fbbca"`
[INFO] [stdout] 464642db41d409da65ee78aa6e6c5af63e22b07091ae5c49054391960c9fbbca
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ademonov/bingo-bot:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] c087a6693aec3f98f5e0cca1300a9714c2a9366991f68176816f14d17b1a4826
[INFO] running `"docker" "start" "-a" "c087a6693aec3f98f5e0cca1300a9714c2a9366991f68176816f14d17b1a4826"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/bingo_bot-bee3d472260e451e
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test bingo::bingo_tests::bingo_tests_works ... ok
[INFO] [stdout] test bingo::bingo_tests::card_check_cell ... ok
[INFO] [stdout] test bingo::bingo_tests::cardcell_check ... ok
[INFO] [stdout] test bingo::bingo_tests::cardcell_new ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c087a6693aec3f98f5e0cca1300a9714c2a9366991f68176816f14d17b1a4826"`
[INFO] running `"docker" "rm" "-f" "c087a6693aec3f98f5e0cca1300a9714c2a9366991f68176816f14d17b1a4826"`
[INFO] [stdout] c087a6693aec3f98f5e0cca1300a9714c2a9366991f68176816f14d17b1a4826