[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-1.38-1/sources/1.37.0/gh/ladydraco/rust_markov"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ladydraco/rust_markov'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/ladydraco/rust_markov" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ladydraco/rust_markov"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of ladydraco/rust_markov 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 ladydraco/rust_markov [INFO] finished frobbing ladydraco/rust_markov [INFO] frobbed toml for ladydraco/rust_markov written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [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 ladydraco/rust_markov 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] e2a3c82ace7b6aefebdbe0ad730d66d2d40aa20b17ffb72219406b6c442bfedb [INFO] running `"docker" "start" "-a" "e2a3c82ace7b6aefebdbe0ad730d66d2d40aa20b17ffb72219406b6c442bfedb"` [INFO] [stderr] Compiling autocfg v0.1.6 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling num-complex v0.1.43 [INFO] [stderr] Compiling num-bigint v0.1.44 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling num v0.1.42 [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 13.00s [INFO] running `"docker" "inspect" "e2a3c82ace7b6aefebdbe0ad730d66d2d40aa20b17ffb72219406b6c442bfedb"` [INFO] running `"docker" "rm" "-f" "e2a3c82ace7b6aefebdbe0ad730d66d2d40aa20b17ffb72219406b6c442bfedb"` [INFO] [stdout] e2a3c82ace7b6aefebdbe0ad730d66d2d40aa20b17ffb72219406b6c442bfedb [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] ffaae42e6b52df35b9990317d31507ba84ac2a4e576aa640752ec9c4443ac680 [INFO] running `"docker" "start" "-a" "ffaae42e6b52df35b9990317d31507ba84ac2a4e576aa640752ec9c4443ac680"` [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 1.07s [INFO] running `"docker" "inspect" "ffaae42e6b52df35b9990317d31507ba84ac2a4e576aa640752ec9c4443ac680"` [INFO] running `"docker" "rm" "-f" "ffaae42e6b52df35b9990317d31507ba84ac2a4e576aa640752ec9c4443ac680"` [INFO] [stdout] ffaae42e6b52df35b9990317d31507ba84ac2a4e576aa640752ec9c4443ac680 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"` [INFO] [stdout] a12a5c78ccb7b7aad1b628a5448efe1043d3e581cb7160e4018f1635a7a927de [INFO] running `"docker" "start" "-a" "a12a5c78ccb7b7aad1b628a5448efe1043d3e581cb7160e4018f1635a7a927de"` [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stdout] running 0 tests [INFO] [stderr] Running /opt/crater/target/debug/deps/rust_markov-e37f086f021292b4 [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "a12a5c78ccb7b7aad1b628a5448efe1043d3e581cb7160e4018f1635a7a927de"` [INFO] running `"docker" "rm" "-f" "a12a5c78ccb7b7aad1b628a5448efe1043d3e581cb7160e4018f1635a7a927de"` [INFO] [stdout] a12a5c78ccb7b7aad1b628a5448efe1043d3e581cb7160e4018f1635a7a927de