[INFO] updating cached repository ladydraco/rust_markov [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/ladydraco/rust_markov [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/ladydraco/rust_markov" "work/ex/beta-1.37-6/sources/1.36.0/gh/ladydraco/rust_markov"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ladydraco/rust_markov'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/ladydraco/rust_markov" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ladydraco/rust_markov"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ladydraco/rust_markov'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 4473b91381d5cd634cb04afbf7239d90c8d6a14f [INFO] sha for GitHub repo ladydraco/rust_markov: 4473b91381d5cd634cb04afbf7239d90c8d6a14f [INFO] validating manifest of ladydraco/rust_markov on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of ladydraco/rust_markov on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing ladydraco/rust_markov [INFO] finished frobbing ladydraco/rust_markov [INFO] frobbed toml for ladydraco/rust_markov written to work/ex/beta-1.37-6/sources/1.36.0/gh/ladydraco/rust_markov/Cargo.toml [INFO] started frobbing ladydraco/rust_markov [INFO] finished frobbing ladydraco/rust_markov [INFO] frobbed toml for ladydraco/rust_markov written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ladydraco/rust_markov/Cargo.toml [INFO] crate ladydraco/rust_markov already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ladydraco/rust_markov/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing ladydraco/rust_markov against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ladydraco/rust_markov:/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" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] 3563b44868372e6f499097d286afc92f4c4951ca600abde469943a7b82352913 [INFO] running `"docker" "start" "-a" "3563b44868372e6f499097d286afc92f4c4951ca600abde469943a7b82352913"` [INFO] [stderr] Compiling rust_markov v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `rand::random` [INFO] [stderr] --> src/generate_text.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use rand::random; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cmp` [INFO] [stderr] --> src/form_watcher.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::cmp; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::HashSet` [INFO] [stderr] --> src/main.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | use std::collections::HashSet; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pair2` is never read [INFO] [stderr] --> src/main.rs:197:13 [INFO] [stderr] | [INFO] [stderr] 197 | let mut pair2: (usize, usize) = (0, 0); [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_assignments)] on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `char_choice` [INFO] [stderr] --> src/generate_text.rs:119:14 [INFO] [stderr] | [INFO] [stderr] 119 | for (char_choice, count) in choice_stats.options.iter() { [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_char_choice` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `count` [INFO] [stderr] --> src/generate_text.rs:119:27 [INFO] [stderr] | [INFO] [stderr] 119 | for (char_choice, count) in choice_stats.options.iter() { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_count` [INFO] [stderr] [INFO] [stderr] warning: field is never used: `output_amount` [INFO] [stderr] --> src/generate_text.rs:27:5 [INFO] [stderr] | [INFO] [stderr] 27 | output_amount: usize, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `use_html` [INFO] [stderr] --> src/generate_text.rs:28:5 [INFO] [stderr] | [INFO] [stderr] 28 | use_html: bool, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `distortion_factor` [INFO] [stderr] --> src/generate_text.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | distortion_factor: i32, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.05s [INFO] running `"docker" "inspect" "3563b44868372e6f499097d286afc92f4c4951ca600abde469943a7b82352913"` [INFO] running `"docker" "rm" "-f" "3563b44868372e6f499097d286afc92f4c4951ca600abde469943a7b82352913"` [INFO] [stdout] 3563b44868372e6f499097d286afc92f4c4951ca600abde469943a7b82352913 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ladydraco/rust_markov:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] 02aa5496bbda673f5e8e8390d492a40826ae6e54f077b9814fe2d64aae750d0d [INFO] running `"docker" "start" "-a" "02aa5496bbda673f5e8e8390d492a40826ae6e54f077b9814fe2d64aae750d0d"` [INFO] [stderr] Compiling rust_markov v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `rand::random` [INFO] [stderr] --> src/generate_text.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use rand::random; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cmp` [INFO] [stderr] --> src/form_watcher.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::cmp; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::HashSet` [INFO] [stderr] --> src/main.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | use std::collections::HashSet; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pair2` is never read [INFO] [stderr] --> src/main.rs:197:13 [INFO] [stderr] | [INFO] [stderr] 197 | let mut pair2: (usize, usize) = (0, 0); [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_assignments)] on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `char_choice` [INFO] [stderr] --> src/generate_text.rs:119:14 [INFO] [stderr] | [INFO] [stderr] 119 | for (char_choice, count) in choice_stats.options.iter() { [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_char_choice` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `count` [INFO] [stderr] --> src/generate_text.rs:119:27 [INFO] [stderr] | [INFO] [stderr] 119 | for (char_choice, count) in choice_stats.options.iter() { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_count` [INFO] [stderr] [INFO] [stderr] warning: field is never used: `output_amount` [INFO] [stderr] --> src/generate_text.rs:27:5 [INFO] [stderr] | [INFO] [stderr] 27 | output_amount: usize, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `use_html` [INFO] [stderr] --> src/generate_text.rs:28:5 [INFO] [stderr] | [INFO] [stderr] 28 | use_html: bool, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `distortion_factor` [INFO] [stderr] --> src/generate_text.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | distortion_factor: i32, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.36s [INFO] running `"docker" "inspect" "02aa5496bbda673f5e8e8390d492a40826ae6e54f077b9814fe2d64aae750d0d"` [INFO] running `"docker" "rm" "-f" "02aa5496bbda673f5e8e8390d492a40826ae6e54f077b9814fe2d64aae750d0d"` [INFO] [stdout] 02aa5496bbda673f5e8e8390d492a40826ae6e54f077b9814fe2d64aae750d0d [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ladydraco/rust_markov:/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" "+beta-2019-07-23" "test" "--frozen"` [INFO] [stdout] 7e83d10ec63552166d5f3742dad7b0699d1a93026db27d00c38173b952bc7aee [INFO] running `"docker" "start" "-a" "7e83d10ec63552166d5f3742dad7b0699d1a93026db27d00c38173b952bc7aee"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/crater/target/debug/deps/rust_markov-edf6b8e0b06aeccf [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "7e83d10ec63552166d5f3742dad7b0699d1a93026db27d00c38173b952bc7aee"` [INFO] running `"docker" "rm" "-f" "7e83d10ec63552166d5f3742dad7b0699d1a93026db27d00c38173b952bc7aee"` [INFO] [stdout] 7e83d10ec63552166d5f3742dad7b0699d1a93026db27d00c38173b952bc7aee