[INFO] updating cached repository Nocrno/vrt-tester [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/Nocrno/vrt-tester [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/Nocrno/vrt-tester" "work/ex/beta-1.38-1/sources/1.37.0/gh/Nocrno/vrt-tester"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Nocrno/vrt-tester'... [INFO] [stderr] done. 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[INFO] running `"git" "clone" "work/cache/sources/gh/Nocrno/vrt-tester" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Nocrno/vrt-tester"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Nocrno/vrt-tester'... [INFO] [stderr] done. 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[INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] cbf028552da0f6d56b5cc924f8f73d61cfa5362c [INFO] sha for GitHub repo Nocrno/vrt-tester: cbf028552da0f6d56b5cc924f8f73d61cfa5362c [INFO] validating manifest of Nocrno/vrt-tester 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 Nocrno/vrt-tester 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 Nocrno/vrt-tester [INFO] finished frobbing Nocrno/vrt-tester [INFO] frobbed toml for Nocrno/vrt-tester written to work/ex/beta-1.38-1/sources/1.37.0/gh/Nocrno/vrt-tester/Cargo.toml [INFO] started frobbing Nocrno/vrt-tester [INFO] finished frobbing Nocrno/vrt-tester [INFO] frobbed toml for Nocrno/vrt-tester written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Nocrno/vrt-tester/Cargo.toml [INFO] crate Nocrno/vrt-tester 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 Nocrno/vrt-tester against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Nocrno/vrt-tester:/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-2019-08-13" "build" "--frozen"` [INFO] [stdout] f63362d597eef78a9026994131cb3437272b558d293eebb7e77eaf486016ec4b [INFO] running `"docker" "start" "-a" "f63362d597eef78a9026994131cb3437272b558d293eebb7e77eaf486016ec4b"` [INFO] [stderr] Compiling random v0.12.2 [INFO] [stderr] Compiling memmap v0.7.0 [INFO] [stderr] Compiling shared_library v0.1.9 [INFO] [stderr] Compiling termios v0.3.1 [INFO] [stderr] Compiling gl_generator v0.10.0 [INFO] [stderr] Compiling x11-dl v2.18.3 [INFO] [stderr] Compiling dlib v0.4.1 [INFO] [stderr] Compiling chrono v0.4.6 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Compiling andrew v0.1.6 [INFO] [stderr] Compiling png v0.14.0 [INFO] [stderr] Compiling wayland-sys v0.21.11 [INFO] [stderr] Compiling osmesa-sys v0.1.2 [INFO] [stderr] Compiling crossterm_utils v0.1.0 [INFO] [stderr] Compiling gfx_core v0.8.3 [INFO] [stderr] Compiling pistoncore-input v0.23.0 [INFO] [stderr] Compiling rayon v1.0.3 [INFO] [stderr] Compiling wayland-commons v0.21.11 [INFO] [stderr] Compiling crossterm_cursor v0.1.0 [INFO] [stderr] Compiling crossterm_input v0.1.0 [INFO] [stderr] Compiling crossterm_style v0.1.0 [INFO] [stderr] Compiling crossterm_screen v0.1.0 [INFO] [stderr] Compiling crossterm_terminal v0.1.0 [INFO] [stderr] Compiling glutin v0.19.0 [INFO] [stderr] Compiling gl v0.11.0 [INFO] [stderr] Compiling wayland-client v0.21.11 [INFO] [stderr] Compiling crossterm v0.6.0 [INFO] [stderr] Compiling pistoncore-window v0.35.0 [INFO] [stderr] Compiling jpeg-decoder v0.1.15 [INFO] [stderr] Compiling wayland-protocols v0.21.11 [INFO] [stderr] Compiling pistoncore-event_loop v0.40.0 [INFO] [stderr] Compiling piston v0.40.0 [INFO] [stderr] Compiling image v0.21.0 [INFO] [stderr] Compiling smithay-client-toolkit v0.4.4 [INFO] [stderr] Compiling winit v0.18.1 [INFO] [stderr] Compiling pistoncore-glutin_window v0.52.0 [INFO] [stderr] Compiling gfx v0.17.1 [INFO] [stderr] Compiling gfx_device_gl v0.15.5 [INFO] [stderr] Compiling piston-gfx_texture v0.35.0 [INFO] [stderr] Compiling piston2d-gfx_graphics v0.56.0 [INFO] [stderr] Compiling piston_window v0.87.0 [INFO] [stderr] Compiling vrt-tester v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `cursor` [INFO] [stderr] --> src/main.rs:9:17 [INFO] [stderr] | [INFO] [stderr] 9 | use crossterm::{cursor, terminal, ClearType}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:140:12 [INFO] [stderr] | [INFO] [stderr] 140 | if (!visual) [INFO] [stderr] | ^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:200:8 [INFO] [stderr] | [INFO] [stderr] 200 | if (visual) [INFO] [stderr] | ^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:281:20 [INFO] [stderr] | [INFO] [stderr] 281 | if (!visual) [INFO] [stderr] | ^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: value assigned to `idle_color` is never read [INFO] [stderr] --> src/main.rs:30:13 [INFO] [stderr] | [INFO] [stderr] 30 | let mut idle_color = cyan; [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: value assigned to `wait_color` is never read [INFO] [stderr] --> src/main.rs:31:13 [INFO] [stderr] | [INFO] [stderr] 31 | let mut wait_color = yellow; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `click_color` is never read [INFO] [stderr] --> src/main.rs:32:13 [INFO] [stderr] | [INFO] [stderr] 32 | let mut click_color = red; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `visual` is never read [INFO] [stderr] --> src/main.rs:33:13 [INFO] [stderr] | [INFO] [stderr] 33 | let mut visual = true; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `file` [INFO] [stderr] --> src/main.rs:205:17 [INFO] [stderr] | [INFO] [stderr] 205 | let mut file = OpenOptions::new() [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_file` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `file` [INFO] [stderr] --> src/main.rs:215:17 [INFO] [stderr] | [INFO] [stderr] 215 | let mut file = OpenOptions::new() [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_file` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:205:13 [INFO] [stderr] | [INFO] [stderr] 205 | let mut file = OpenOptions::new() [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: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:215:13 [INFO] [stderr] | [INFO] [stderr] 215 | let mut file = OpenOptions::new() [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | terminal.clear(ClearType::All); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:54:13 [INFO] [stderr] | [INFO] [stderr] 54 | terminal.clear(ClearType::All); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:57:13 [INFO] [stderr] | [INFO] [stderr] 57 | terminal.clear(ClearType::All); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:92:13 [INFO] [stderr] | [INFO] [stderr] 92 | terminal.clear(ClearType::All); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:95:13 [INFO] [stderr] | [INFO] [stderr] 95 | terminal.clear(ClearType::All); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:130:13 [INFO] [stderr] | [INFO] [stderr] 130 | terminal.clear(ClearType::All); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:133:13 [INFO] [stderr] | [INFO] [stderr] 133 | terminal.clear(ClearType::All); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:173:13 [INFO] [stderr] | [INFO] [stderr] 173 | terminal.clear(ClearType::All); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:176:13 [INFO] [stderr] | [INFO] [stderr] 176 | terminal.clear(ClearType::All); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:182:5 [INFO] [stderr] | [INFO] [stderr] 182 | terminal.clear(ClearType::All); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:203:13 [INFO] [stderr] | [INFO] [stderr] 203 | File::create("vrt-history.txt"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:213:13 [INFO] [stderr] | [INFO] [stderr] 213 | File::create("art-history.txt"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 19s [INFO] running `"docker" "inspect" "f63362d597eef78a9026994131cb3437272b558d293eebb7e77eaf486016ec4b"` [INFO] running `"docker" "rm" "-f" "f63362d597eef78a9026994131cb3437272b558d293eebb7e77eaf486016ec4b"` [INFO] [stdout] f63362d597eef78a9026994131cb3437272b558d293eebb7e77eaf486016ec4b [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Nocrno/vrt-tester:/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-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] 2f75362669fa5a3b65b70c4e3716255232aebd3ff1c8ce2ff4a19b6f9259595a [INFO] running `"docker" "start" "-a" "2f75362669fa5a3b65b70c4e3716255232aebd3ff1c8ce2ff4a19b6f9259595a"` [INFO] [stderr] Compiling vrt-tester v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `cursor` [INFO] [stderr] --> src/main.rs:9:17 [INFO] [stderr] | [INFO] [stderr] 9 | use crossterm::{cursor, terminal, ClearType}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:140:12 [INFO] [stderr] | [INFO] [stderr] 140 | if (!visual) [INFO] [stderr] | ^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:200:8 [INFO] [stderr] | [INFO] [stderr] 200 | if (visual) [INFO] [stderr] | ^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:281:20 [INFO] [stderr] | [INFO] [stderr] 281 | if (!visual) [INFO] [stderr] | ^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: value assigned to `idle_color` is never read [INFO] [stderr] --> src/main.rs:30:13 [INFO] [stderr] | [INFO] [stderr] 30 | let mut idle_color = cyan; [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: value assigned to `wait_color` is never read [INFO] [stderr] --> src/main.rs:31:13 [INFO] [stderr] | [INFO] [stderr] 31 | let mut wait_color = yellow; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `click_color` is never read [INFO] [stderr] --> src/main.rs:32:13 [INFO] [stderr] | [INFO] [stderr] 32 | let mut click_color = red; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `visual` is never read [INFO] [stderr] --> src/main.rs:33:13 [INFO] [stderr] | [INFO] [stderr] 33 | let mut visual = true; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `file` [INFO] [stderr] --> src/main.rs:205:17 [INFO] [stderr] | [INFO] [stderr] 205 | let mut file = OpenOptions::new() [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_file` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `file` [INFO] [stderr] --> src/main.rs:215:17 [INFO] [stderr] | [INFO] [stderr] 215 | let mut file = OpenOptions::new() [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_file` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:205:13 [INFO] [stderr] | [INFO] [stderr] 205 | let mut file = OpenOptions::new() [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: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:215:13 [INFO] [stderr] | [INFO] [stderr] 215 | let mut file = OpenOptions::new() [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | terminal.clear(ClearType::All); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:54:13 [INFO] [stderr] | [INFO] [stderr] 54 | terminal.clear(ClearType::All); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:57:13 [INFO] [stderr] | [INFO] [stderr] 57 | terminal.clear(ClearType::All); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:92:13 [INFO] [stderr] | [INFO] [stderr] 92 | terminal.clear(ClearType::All); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:95:13 [INFO] [stderr] | [INFO] [stderr] 95 | terminal.clear(ClearType::All); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:130:13 [INFO] [stderr] | [INFO] [stderr] 130 | terminal.clear(ClearType::All); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:133:13 [INFO] [stderr] | [INFO] [stderr] 133 | terminal.clear(ClearType::All); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:173:13 [INFO] [stderr] | [INFO] [stderr] 173 | terminal.clear(ClearType::All); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:176:13 [INFO] [stderr] | [INFO] [stderr] 176 | terminal.clear(ClearType::All); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:182:5 [INFO] [stderr] | [INFO] [stderr] 182 | terminal.clear(ClearType::All); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:203:13 [INFO] [stderr] | [INFO] [stderr] 203 | File::create("vrt-history.txt"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:213:13 [INFO] [stderr] | [INFO] [stderr] 213 | File::create("art-history.txt"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.28s [INFO] running `"docker" "inspect" "2f75362669fa5a3b65b70c4e3716255232aebd3ff1c8ce2ff4a19b6f9259595a"` [INFO] running `"docker" "rm" "-f" "2f75362669fa5a3b65b70c4e3716255232aebd3ff1c8ce2ff4a19b6f9259595a"` [INFO] [stdout] 2f75362669fa5a3b65b70c4e3716255232aebd3ff1c8ce2ff4a19b6f9259595a [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Nocrno/vrt-tester:/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-2019-08-13" "test" "--frozen"` [INFO] [stdout] 9b62eaf16cec16815d4a20a1d12adc19bbe6b4c36fd9b7a7de895c83cdda8cf1 [INFO] running `"docker" "start" "-a" "9b62eaf16cec16815d4a20a1d12adc19bbe6b4c36fd9b7a7de895c83cdda8cf1"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.21s [INFO] [stderr] Running /opt/crater/target/debug/deps/vrt_tester-bef136cdb7c17672 [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" "9b62eaf16cec16815d4a20a1d12adc19bbe6b4c36fd9b7a7de895c83cdda8cf1"` [INFO] running `"docker" "rm" "-f" "9b62eaf16cec16815d4a20a1d12adc19bbe6b4c36fd9b7a7de895c83cdda8cf1"` [INFO] [stdout] 9b62eaf16cec16815d4a20a1d12adc19bbe6b4c36fd9b7a7de895c83cdda8cf1