[INFO] cloning repository https://github.com/jeffvandyke/char_count [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jeffvandyke/char_count" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeffvandyke%2Fchar_count", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeffvandyke%2Fchar_count'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fa6f69407b91b6ca6a393ee229f902d8aa7b1b8d [INFO] building jeffvandyke/char_count against master#f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9 for pr-137044-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeffvandyke%2Fchar_count" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jeffvandyke/char_count on toolchain f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jeffvandyke/char_count [INFO] finished tweaking git repo https://github.com/jeffvandyke/char_count [INFO] tweaked toml for git repo https://github.com/jeffvandyke/char_count written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/jeffvandyke/char_count already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded cfg-if v0.1.2 [INFO] [stderr] Downloaded gcc v0.3.54 [INFO] [stderr] Downloaded ncurses v5.91.0 [INFO] [stderr] Downloaded cc v1.0.9 [INFO] [stderr] Downloaded log v0.4.1 [INFO] [stderr] Downloaded log v0.3.9 [INFO] [stderr] Downloaded libc v0.2.40 [INFO] [stderr] Downloaded pdcurses-sys v0.7.0 [INFO] [stderr] Downloaded winapi v0.3.4 [INFO] [stderr] Downloaded pancurses v0.15.0 [INFO] [stderr] Downloaded winreg v0.5.0 [INFO] [stderr] Downloaded pkg-config v0.3.9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0664d7704c2a59a628547f5db39ccd1b3601182c2d0774f337498bbab7683ecf [INFO] running `Command { std: "docker" "start" "-a" "0664d7704c2a59a628547f5db39ccd1b3601182c2d0774f337498bbab7683ecf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0664d7704c2a59a628547f5db39ccd1b3601182c2d0774f337498bbab7683ecf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0664d7704c2a59a628547f5db39ccd1b3601182c2d0774f337498bbab7683ecf", kill_on_drop: false }` [INFO] [stdout] 0664d7704c2a59a628547f5db39ccd1b3601182c2d0774f337498bbab7683ecf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b5f96d8b59cc2155a8555c02e2e012d9d29805c4b7b7ef6b19baefb87d02f97c [INFO] running `Command { std: "docker" "start" "-a" "b5f96d8b59cc2155a8555c02e2e012d9d29805c4b7b7ef6b19baefb87d02f97c", kill_on_drop: false }` [INFO] [stderr] Compiling gcc v0.3.54 [INFO] [stderr] Compiling pkg-config v0.3.9 [INFO] [stderr] Compiling cfg-if v0.1.2 [INFO] [stderr] Compiling libc v0.2.40 [INFO] [stderr] Compiling log v0.4.1 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling ncurses v5.91.0 [INFO] [stderr] Compiling pancurses v0.15.0 [INFO] [stderr] Compiling char_count v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/main.rs:29:17 [INFO] [stdout] | [INFO] [stdout] 29 | 'a' ... 'z' => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `wnd` [INFO] [stdout] --> src/main.rs:41:11 [INFO] [stdout] | [INFO] [stdout] 41 | fn render(wnd: &curses::Window, text: &str, counts: &CharCounts) [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_wnd` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `text` [INFO] [stdout] --> src/main.rs:41:33 [INFO] [stdout] | [INFO] [stdout] 41 | fn render(wnd: &curses::Window, text: &str, counts: &CharCounts) [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_text` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `counts` [INFO] [stdout] --> src/main.rs:41:45 [INFO] [stdout] | [INFO] [stdout] 41 | fn render(wnd: &curses::Window, text: &str, counts: &CharCounts) [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_counts` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.23s [INFO] running `Command { std: "docker" "inspect" "b5f96d8b59cc2155a8555c02e2e012d9d29805c4b7b7ef6b19baefb87d02f97c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b5f96d8b59cc2155a8555c02e2e012d9d29805c4b7b7ef6b19baefb87d02f97c", kill_on_drop: false }` [INFO] [stdout] b5f96d8b59cc2155a8555c02e2e012d9d29805c4b7b7ef6b19baefb87d02f97c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 96d6f0c62fc77bf88502916c06a60999432f2c48dd65fadbd0eb68f2837e1ab5 [INFO] running `Command { std: "docker" "start" "-a" "96d6f0c62fc77bf88502916c06a60999432f2c48dd65fadbd0eb68f2837e1ab5", kill_on_drop: false }` [INFO] [stderr] Compiling char_count v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/main.rs:29:17 [INFO] [stdout] | [INFO] [stdout] 29 | 'a' ... 'z' => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `wnd` [INFO] [stdout] --> src/main.rs:41:11 [INFO] [stdout] | [INFO] [stdout] 41 | fn render(wnd: &curses::Window, text: &str, counts: &CharCounts) [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_wnd` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `text` [INFO] [stdout] --> src/main.rs:41:33 [INFO] [stdout] | [INFO] [stdout] 41 | fn render(wnd: &curses::Window, text: &str, counts: &CharCounts) [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_text` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `counts` [INFO] [stdout] --> src/main.rs:41:45 [INFO] [stdout] | [INFO] [stdout] 41 | fn render(wnd: &curses::Window, text: &str, counts: &CharCounts) [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_counts` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s [INFO] running `Command { std: "docker" "inspect" "96d6f0c62fc77bf88502916c06a60999432f2c48dd65fadbd0eb68f2837e1ab5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "96d6f0c62fc77bf88502916c06a60999432f2c48dd65fadbd0eb68f2837e1ab5", kill_on_drop: false }` [INFO] [stdout] 96d6f0c62fc77bf88502916c06a60999432f2c48dd65fadbd0eb68f2837e1ab5