[INFO] cloning repository https://github.com/Aghoradas/FReader-terminal [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Aghoradas/FReader-terminal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAghoradas%2FFReader-terminal", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAghoradas%2FFReader-terminal'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4a72e53dca90d45083515420305c7ba6f73e27e8 [INFO] checking Aghoradas/FReader-terminal against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAghoradas%2FFReader-terminal" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Aghoradas/FReader-terminal [INFO] finished tweaking git repo https://github.com/Aghoradas/FReader-terminal [INFO] tweaked toml for git repo https://github.com/Aghoradas/FReader-terminal written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Aghoradas/FReader-terminal on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Aghoradas/FReader-terminal 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5d792789a56756f8f3e2f42c3ec54a9784516eb91f5f52685a7edab368d51039 [INFO] running `Command { std: "docker" "start" "-a" "5d792789a56756f8f3e2f42c3ec54a9784516eb91f5f52685a7edab368d51039", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5d792789a56756f8f3e2f42c3ec54a9784516eb91f5f52685a7edab368d51039", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d792789a56756f8f3e2f42c3ec54a9784516eb91f5f52685a7edab368d51039", kill_on_drop: false }` [INFO] [stdout] 5d792789a56756f8f3e2f42c3ec54a9784516eb91f5f52685a7edab368d51039 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7f5c90c8e95bcdfb8a3f5479c871186eda103b5b6bd579564944f78fbcd59b90 [INFO] running `Command { std: "docker" "start" "-a" "7f5c90c8e95bcdfb8a3f5479c871186eda103b5b6bd579564944f78fbcd59b90", kill_on_drop: false }` [INFO] [stderr] Checking signal-hook-registry v1.4.2 [INFO] [stderr] Checking smallvec v1.15.0 [INFO] [stderr] Compiling rustix v0.38.44 [INFO] [stderr] Checking linux-raw-sys v0.4.15 [INFO] [stderr] Checking unicode-linebreak v0.1.5 [INFO] [stderr] Checking smawk v0.3.2 [INFO] [stderr] Checking gethostname v0.4.3 [INFO] [stderr] Checking mio v0.8.11 [INFO] [stderr] Checking colored v2.2.0 [INFO] [stderr] Checking home v0.5.11 [INFO] [stderr] Checking unicode-segmentation v1.12.0 [INFO] [stderr] Checking signal-hook v0.3.17 [INFO] [stderr] Checking textwrap v0.14.2 [INFO] [stderr] Checking parking_lot_core v0.9.10 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Checking signal-hook-mio v0.2.4 [INFO] [stderr] Checking crossterm v0.27.0 [INFO] [stderr] Checking FReader v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable `com_pos` is assigned to, but never used [INFO] [stdout] --> src/keyboard/mod.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | let mut com_pos; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_com_pos` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `com_pos` is assigned to, but never used [INFO] [stdout] --> src/keyboard/mod.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | let mut com_pos; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_com_pos` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `com_pos` is never read [INFO] [stdout] --> src/keyboard/mod.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | com_pos = command.len(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `com_pos` is never read [INFO] [stdout] --> src/keyboard/mod.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | com_pos = 0; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `com_pos` is never read [INFO] [stdout] --> src/keyboard/mod.rs:51:25 [INFO] [stdout] | [INFO] [stdout] 51 | com_pos = command.len(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `com_pos` is never read [INFO] [stdout] --> src/keyboard/mod.rs:73:25 [INFO] [stdout] | [INFO] [stdout] 73 | com_pos = command.len(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `com_pos` is never read [INFO] [stdout] --> src/keyboard/mod.rs:88:21 [INFO] [stdout] | [INFO] [stdout] 88 | com_pos += 1; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `com_pos` is never read [INFO] [stdout] --> src/keyboard/mod.rs:96:25 [INFO] [stdout] | [INFO] [stdout] 96 | com_pos -= 1; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `com_pos` is never read [INFO] [stdout] --> src/keyboard/mod.rs:118:21 [INFO] [stdout] | [INFO] [stdout] 118 | com_pos = command.len(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `com_pos` is never read [INFO] [stdout] --> src/keyboard/mod.rs:126:21 [INFO] [stdout] | [INFO] [stdout] 126 | com_pos = 0; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `com_pos` is never read [INFO] [stdout] --> src/keyboard/mod.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | com_pos = command.len(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `com_pos` is never read [INFO] [stdout] --> src/keyboard/mod.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | com_pos = 0; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `com_pos` is never read [INFO] [stdout] --> src/keyboard/mod.rs:51:25 [INFO] [stdout] | [INFO] [stdout] 51 | com_pos = command.len(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `com_pos` is never read [INFO] [stdout] --> src/keyboard/mod.rs:73:25 [INFO] [stdout] | [INFO] [stdout] 73 | com_pos = command.len(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `com_pos` is never read [INFO] [stdout] --> src/keyboard/mod.rs:88:21 [INFO] [stdout] | [INFO] [stdout] 88 | com_pos += 1; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `com_pos` is never read [INFO] [stdout] --> src/keyboard/mod.rs:96:25 [INFO] [stdout] | [INFO] [stdout] 96 | com_pos -= 1; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `com_pos` is never read [INFO] [stdout] --> src/keyboard/mod.rs:118:21 [INFO] [stdout] | [INFO] [stdout] 118 | com_pos = command.len(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `com_pos` is never read [INFO] [stdout] --> src/keyboard/mod.rs:126:21 [INFO] [stdout] | [INFO] [stdout] 126 | com_pos = 0; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/list_mechanics.rs:103:24 [INFO] [stdout] | [INFO] [stdout] 103 | let columns_size = u16::try_from(column_length(current_dir).0) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/list_mechanics.rs:103:24 [INFO] [stdout] | [INFO] [stdout] 103 | let columns_size = u16::try_from(column_length(current_dir).0) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `FReader` (bin "FReader" test) due to 1 previous error; 9 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `FReader` (bin "FReader") due to 1 previous error; 9 warnings emitted [INFO] running `Command { std: "docker" "inspect" "7f5c90c8e95bcdfb8a3f5479c871186eda103b5b6bd579564944f78fbcd59b90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f5c90c8e95bcdfb8a3f5479c871186eda103b5b6bd579564944f78fbcd59b90", kill_on_drop: false }` [INFO] [stdout] 7f5c90c8e95bcdfb8a3f5479c871186eda103b5b6bd579564944f78fbcd59b90