[INFO] cloning repository https://github.com/etrombly/serial_mon [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/etrombly/serial_mon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fetrombly%2Fserial_mon", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fetrombly%2Fserial_mon'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e898456846aeb70f8ff1dddb2f4fd7714f5d0ec4 [INFO] checking etrombly/serial_mon against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fetrombly%2Fserial_mon" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/etrombly/serial_mon on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/etrombly/serial_mon [INFO] finished tweaking git repo https://github.com/etrombly/serial_mon [INFO] tweaked toml for git repo https://github.com/etrombly/serial_mon written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/etrombly/serial_mon already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2a46f144c63acbba72456abfbe5241167db1cf61194b4c8c236e7b4cc1b87416 [INFO] running `Command { std: "docker" "start" "-a" "2a46f144c63acbba72456abfbe5241167db1cf61194b4c8c236e7b4cc1b87416", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2a46f144c63acbba72456abfbe5241167db1cf61194b4c8c236e7b4cc1b87416", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a46f144c63acbba72456abfbe5241167db1cf61194b4c8c236e7b4cc1b87416", kill_on_drop: false }` [INFO] [stdout] 2a46f144c63acbba72456abfbe5241167db1cf61194b4c8c236e7b4cc1b87416 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f30b67b52e1b206a80113bad1182e91c44349aee4a73f0f11f4a93f0104d50ac [INFO] running `Command { std: "docker" "start" "-a" "f30b67b52e1b206a80113bad1182e91c44349aee4a73f0f11f4a93f0104d50ac", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.31 [INFO] [stderr] Checking rustc-demangle v0.1.14 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking unicode-segmentation v1.2.1 [INFO] [stderr] Checking cobs v0.1.4 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking itertools v0.8.0 [INFO] [stderr] Checking ioctl-rs v0.1.6 [INFO] [stderr] Checking serial-core v0.4.0 [INFO] [stderr] Checking termios v0.2.2 [INFO] [stderr] Checking termion v1.5.1 [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Checking serial-unix v0.4.0 [INFO] [stderr] Checking backtrace v0.3.15 [INFO] [stderr] Checking serial v0.4.0 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Checking tui v0.5.1 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking serial_mon v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/main.rs from 2018 edition to 2021 [INFO] [stderr] Fixed src/main.rs (3 fixes) [INFO] [stdout] warning: variable `x` is assigned to, but never used [INFO] [stdout] --> src/main.rs:94:21 [INFO] [stdout] | [INFO] [stdout] 94 | let mut x = 0.0_f32; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_x` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `y` is assigned to, but never used [INFO] [stdout] --> src/main.rs:95:21 [INFO] [stdout] | [INFO] [stdout] 95 | let mut y = 0.0_f32; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_y` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> src/main.rs:98:17 [INFO] [stdout] | [INFO] [stdout] 98 | x = t_x; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `y` is never read [INFO] [stdout] --> src/main.rs:99:17 [INFO] [stdout] | [INFO] [stdout] 99 | y = t_y; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `input_handle` [INFO] [stdout] --> src/util/event.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | input_handle: thread::JoinHandle<()>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `tick_handle` [INFO] [stdout] --> src/util/event.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | tick_handle: thread::JoinHandle<()>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/util/event.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn new() -> Events { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `x` is assigned to, but never used [INFO] [stdout] --> src/main.rs:94:21 [INFO] [stdout] | [INFO] [stdout] 94 | let mut x = 0.0_f32; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_x` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `y` is assigned to, but never used [INFO] [stdout] --> src/main.rs:95:21 [INFO] [stdout] | [INFO] [stdout] 95 | let mut y = 0.0_f32; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_y` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> src/main.rs:98:17 [INFO] [stdout] | [INFO] [stdout] 98 | x = t_x; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `y` is never read [INFO] [stdout] --> src/main.rs:99:17 [INFO] [stdout] | [INFO] [stdout] 99 | y = t_y; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `input_handle` [INFO] [stdout] --> src/util/event.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | input_handle: thread::JoinHandle<()>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `tick_handle` [INFO] [stdout] --> src/util/event.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | tick_handle: thread::JoinHandle<()>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/util/event.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn new() -> Events { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.81s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Checking serial_mon v0.1.0 (/tmp/fixit) [INFO] [stdout] warning: variable `x` is assigned to, but never used [INFO] [stdout] --> src/main.rs:94:21 [INFO] [stdout] | [INFO] [stdout] 94 | let mut x = 0.0_f32; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_x` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `y` is assigned to, but never used [INFO] [stdout] --> src/main.rs:95:21 [INFO] [stdout] | [INFO] [stdout] 95 | let mut y = 0.0_f32; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_y` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> src/main.rs:98:17 [INFO] [stdout] | [INFO] [stdout] 98 | x = t_x; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `y` is never read [INFO] [stdout] --> src/main.rs:99:17 [INFO] [stdout] | [INFO] [stdout] 99 | y = t_y; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `x` is assigned to, but never used [INFO] [stdout] --> src/main.rs:94:21 [INFO] [stdout] | [INFO] [stdout] 94 | let mut x = 0.0_f32; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_x` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `y` is assigned to, but never used [INFO] [stdout] --> src/main.rs:95:21 [INFO] [stdout] | [INFO] [stdout] 95 | let mut y = 0.0_f32; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_y` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> src/main.rs:98:17 [INFO] [stdout] | [INFO] [stdout] 98 | x = t_x; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `y` is never read [INFO] [stdout] --> src/main.rs:99:17 [INFO] [stdout] | [INFO] [stdout] 99 | y = t_y; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `input_handle` [INFO] [stdout] --> src/util/event.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | input_handle: thread::JoinHandle<()>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `tick_handle` [INFO] [stdout] --> src/util/event.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | tick_handle: thread::JoinHandle<()>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/util/event.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn new() -> Events { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `input_handle` [INFO] [stdout] --> src/util/event.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | input_handle: thread::JoinHandle<()>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `tick_handle` [INFO] [stdout] --> src/util/event.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | tick_handle: thread::JoinHandle<()>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/util/event.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn new() -> Events { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.52s [INFO] running `Command { std: "docker" "inspect" "f30b67b52e1b206a80113bad1182e91c44349aee4a73f0f11f4a93f0104d50ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f30b67b52e1b206a80113bad1182e91c44349aee4a73f0f11f4a93f0104d50ac", kill_on_drop: false }` [INFO] [stdout] f30b67b52e1b206a80113bad1182e91c44349aee4a73f0f11f4a93f0104d50ac