[INFO] cloning repository https://github.com/ambyshframber/midimon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ambyshframber/midimon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fambyshframber%2Fmidimon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fambyshframber%2Fmidimon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 89ede82345a32a9a539c17676a74211795a4589a
[INFO] checking ambyshframber/midimon against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fambyshframber%2Fmidimon" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ambyshframber/midimon on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ambyshframber/midimon
[INFO] finished tweaking git repo https://github.com/ambyshframber/midimon
[INFO] tweaked toml for git repo https://github.com/ambyshframber/midimon written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ambyshframber/midimon 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded coremidi-sys v2.0.2
[INFO] [stderr]   Downloaded midir v0.7.0
[INFO] [stderr]   Downloaded core-foundation v0.2.3
[INFO] [stderr]   Downloaded core-foundation-sys v0.2.3
[INFO] [stderr]   Downloaded coremidi v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03d51914d92ae6d5296d190147021e22028825df4ae149856d7357e32169a09b
[INFO] running `Command { std: "docker" "start" "-a" "03d51914d92ae6d5296d190147021e22028825df4ae149856d7357e32169a09b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03d51914d92ae6d5296d190147021e22028825df4ae149856d7357e32169a09b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03d51914d92ae6d5296d190147021e22028825df4ae149856d7357e32169a09b", kill_on_drop: false }`
[INFO] [stdout] 03d51914d92ae6d5296d190147021e22028825df4ae149856d7357e32169a09b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1a6bfae06541dbcefb75195de14e5669b66632ad0804c8d7a86069052d16f8c
[INFO] running `Command { std: "docker" "start" "-a" "c1a6bfae06541dbcefb75195de14e5669b66632ad0804c8d7a86069052d16f8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.122
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking memalloc v0.1.0
[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stderr]     Checking fuzzy-matcher v0.3.7
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking termsize v0.1.6
[INFO] [stderr]     Checking alsa v0.4.3
[INFO] [stderr]     Checking midir v0.7.0
[INFO] [stderr]     Checking midimon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `spawn`
[INFO] [stdout]  --> src/watch.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::thread::{spawn};
[INFO] [stdout]   |                   ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ignore`
[INFO] [stdout]  --> src/watch/filter_formatter.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 | use super::{FFCommand, Ignore};
[INFO] [stdout]   |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `spawn`
[INFO] [stdout]  --> src/watch.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::thread::{spawn};
[INFO] [stdout]   |                   ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ignore`
[INFO] [stdout]  --> src/watch/filter_formatter.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 | use super::{FFCommand, Ignore};
[INFO] [stdout]   |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]  --> src/circular_buf.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |         for i in 0..size {
[INFO] [stdout]   |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Disconnect` is never constructed
[INFO] [stdout]   --> src/watch.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub enum FFCommand {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] 45 |     Connect(String),
[INFO] [stdout] 46 |     Disconnect(usize),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `masks` and `bits` are never read
[INFO] [stdout]   --> src/watch.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct Ignore {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 52 |     masks: [u8; 3],
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 53 |     bits: [u8; 3 ]
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MessageTable` is never constructed
[INFO] [stdout]  --> src/watch/msg_table.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct MessageTable {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/watch/msg_table.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl MessageTable {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 11 |     fn new(messages: Arc<Mutex<Vec<String>>>, msg_dirty: Arc<Mutex<bool>>, tx: Sender<FFCommand>) -> MessageTable {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `clear_text` is never used
[INFO] [stdout]   --> src/watch/msg_table.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn clear_text() {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `put_curs` is never used
[INFO] [stdout]   --> src/watch/msg_table.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn put_curs(x: i32, y: i32) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `messages` and `filter` are never read
[INFO] [stdout]   --> src/watch/filter_formatter.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct FilterFormatter {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 12 |     pub messages: Arc<Mutex<Vec<String>>>, // send to msg table
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     filter: FilterSettings
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `msg_to_description` is never used
[INFO] [stdout]    --> src/watch/filter_formatter.rs:119:4
[INFO] [stdout]     |
[INFO] [stdout] 119 | fn msg_to_description(msg: &[u8]) -> &str {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `signed_idx_to_unsigned`, `get_ref`, `set`, and `get_slice` are never used
[INFO] [stdout]   --> src/circular_buf.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 5  | impl<T: Default> CircularBuf<T> {
[INFO] [stdout]    | ------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn signed_idx_to_unsigned(&self, idx: isize) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn get_ref(&self, idx: isize) -> &T {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn set(&mut self, idx: isize, val: T) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn get_slice(&self, start: isize, mut end: isize) -> Vec<&T> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]  --> src/circular_buf.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |         for i in 0..size {
[INFO] [stdout]   |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Disconnect` is never constructed
[INFO] [stdout]   --> src/watch.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub enum FFCommand {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] 45 |     Connect(String),
[INFO] [stdout] 46 |     Disconnect(usize),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `masks` and `bits` are never read
[INFO] [stdout]   --> src/watch.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct Ignore {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 52 |     masks: [u8; 3],
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 53 |     bits: [u8; 3 ]
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MessageTable` is never constructed
[INFO] [stdout]  --> src/watch/msg_table.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct MessageTable {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/watch/msg_table.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl MessageTable {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 11 |     fn new(messages: Arc<Mutex<Vec<String>>>, msg_dirty: Arc<Mutex<bool>>, tx: Sender<FFCommand>) -> MessageTable {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `clear_text` is never used
[INFO] [stdout]   --> src/watch/msg_table.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn clear_text() {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `put_curs` is never used
[INFO] [stdout]   --> src/watch/msg_table.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn put_curs(x: i32, y: i32) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `messages` and `filter` are never read
[INFO] [stdout]   --> src/watch/filter_formatter.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct FilterFormatter {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 12 |     pub messages: Arc<Mutex<Vec<String>>>, // send to msg table
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     filter: FilterSettings
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `msg_to_description` is never used
[INFO] [stdout]    --> src/watch/filter_formatter.rs:119:4
[INFO] [stdout]     |
[INFO] [stdout] 119 | fn msg_to_description(msg: &[u8]) -> &str {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `signed_idx_to_unsigned`, `get_ref`, `set`, and `get_slice` are never used
[INFO] [stdout]   --> src/circular_buf.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 5  | impl<T: Default> CircularBuf<T> {
[INFO] [stdout]    | ------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn signed_idx_to_unsigned(&self, idx: isize) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn get_ref(&self, idx: isize) -> &T {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn set(&mut self, idx: isize, val: T) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn get_slice(&self, start: isize, mut end: isize) -> Vec<&T> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.98s
[INFO] running `Command { std: "docker" "inspect" "c1a6bfae06541dbcefb75195de14e5669b66632ad0804c8d7a86069052d16f8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1a6bfae06541dbcefb75195de14e5669b66632ad0804c8d7a86069052d16f8c", kill_on_drop: false }`
[INFO] [stdout] c1a6bfae06541dbcefb75195de14e5669b66632ad0804c8d7a86069052d16f8c
[INFO] checking ambyshframber/midimon against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fambyshframber%2Fmidimon" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ambyshframber/midimon on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ambyshframber/midimon
[INFO] finished tweaking git repo https://github.com/ambyshframber/midimon
[INFO] tweaked toml for git repo https://github.com/ambyshframber/midimon written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ambyshframber/midimon 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8ef5fc1bc5c3403cdd807af010be4261b045b55f8e6a66a062088858fe23c37
[INFO] running `Command { std: "docker" "start" "-a" "d8ef5fc1bc5c3403cdd807af010be4261b045b55f8e6a66a062088858fe23c37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8ef5fc1bc5c3403cdd807af010be4261b045b55f8e6a66a062088858fe23c37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8ef5fc1bc5c3403cdd807af010be4261b045b55f8e6a66a062088858fe23c37", kill_on_drop: false }`
[INFO] [stdout] d8ef5fc1bc5c3403cdd807af010be4261b045b55f8e6a66a062088858fe23c37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67f828e41a2154f9ffa5b9f30bb55a6b2318b5003168a7342127a54dd0bc203a
[INFO] running `Command { std: "docker" "start" "-a" "67f828e41a2154f9ffa5b9f30bb55a6b2318b5003168a7342127a54dd0bc203a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.122
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking memalloc v0.1.0
[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stderr]     Checking fuzzy-matcher v0.3.7
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking termsize v0.1.6
[INFO] [stderr]     Checking alsa v0.4.3
[INFO] [stderr]     Checking midir v0.7.0
[INFO] [stderr]     Checking midimon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `spawn`
[INFO] [stdout]  --> src/watch.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::thread::{spawn};
[INFO] [stdout]   |                   ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ignore`
[INFO] [stdout]  --> src/watch/filter_formatter.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 | use super::{FFCommand, Ignore};
[INFO] [stdout]   |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `spawn`
[INFO] [stdout]  --> src/watch.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::thread::{spawn};
[INFO] [stdout]   |                   ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ignore`
[INFO] [stdout]  --> src/watch/filter_formatter.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 | use super::{FFCommand, Ignore};
[INFO] [stdout]   |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]  --> src/circular_buf.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |         for i in 0..size {
[INFO] [stdout]   |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Disconnect` is never constructed
[INFO] [stdout]   --> src/watch.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub enum FFCommand {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] 45 |     Connect(String),
[INFO] [stdout] 46 |     Disconnect(usize),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `masks` and `bits` are never read
[INFO] [stdout]   --> src/watch.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct Ignore {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 52 |     masks: [u8; 3],
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 53 |     bits: [u8; 3 ]
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MessageTable` is never constructed
[INFO] [stdout]  --> src/watch/msg_table.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct MessageTable {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/watch/msg_table.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl MessageTable {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 11 |     fn new(messages: Arc<Mutex<Vec<String>>>, msg_dirty: Arc<Mutex<bool>>, tx: Sender<FFCommand>) -> MessageTable {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `clear_text` is never used
[INFO] [stdout]   --> src/watch/msg_table.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn clear_text() {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `put_curs` is never used
[INFO] [stdout]   --> src/watch/msg_table.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn put_curs(x: i32, y: i32) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `messages` and `filter` are never read
[INFO] [stdout]   --> src/watch/filter_formatter.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct FilterFormatter {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 12 |     pub messages: Arc<Mutex<Vec<String>>>, // send to msg table
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     filter: FilterSettings
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `msg_to_description` is never used
[INFO] [stdout]    --> src/watch/filter_formatter.rs:119:4
[INFO] [stdout]     |
[INFO] [stdout] 119 | fn msg_to_description(msg: &[u8]) -> &str {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `signed_idx_to_unsigned`, `get_ref`, `set`, and `get_slice` are never used
[INFO] [stdout]   --> src/circular_buf.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 5  | impl<T: Default> CircularBuf<T> {
[INFO] [stdout]    | ------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn signed_idx_to_unsigned(&self, idx: isize) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn get_ref(&self, idx: isize) -> &T {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn set(&mut self, idx: isize, val: T) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn get_slice(&self, start: isize, mut end: isize) -> Vec<&T> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]  --> src/circular_buf.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |         for i in 0..size {
[INFO] [stdout]   |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Disconnect` is never constructed
[INFO] [stdout]   --> src/watch.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub enum FFCommand {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] 45 |     Connect(String),
[INFO] [stdout] 46 |     Disconnect(usize),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `masks` and `bits` are never read
[INFO] [stdout]   --> src/watch.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct Ignore {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 52 |     masks: [u8; 3],
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 53 |     bits: [u8; 3 ]
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MessageTable` is never constructed
[INFO] [stdout]  --> src/watch/msg_table.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct MessageTable {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/watch/msg_table.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl MessageTable {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 11 |     fn new(messages: Arc<Mutex<Vec<String>>>, msg_dirty: Arc<Mutex<bool>>, tx: Sender<FFCommand>) -> MessageTable {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `clear_text` is never used
[INFO] [stdout]   --> src/watch/msg_table.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn clear_text() {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `put_curs` is never used
[INFO] [stdout]   --> src/watch/msg_table.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn put_curs(x: i32, y: i32) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `messages` and `filter` are never read
[INFO] [stdout]   --> src/watch/filter_formatter.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct FilterFormatter {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 12 |     pub messages: Arc<Mutex<Vec<String>>>, // send to msg table
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     filter: FilterSettings
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `msg_to_description` is never used
[INFO] [stdout]    --> src/watch/filter_formatter.rs:119:4
[INFO] [stdout]     |
[INFO] [stdout] 119 | fn msg_to_description(msg: &[u8]) -> &str {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `signed_idx_to_unsigned`, `get_ref`, `set`, and `get_slice` are never used
[INFO] [stdout]   --> src/circular_buf.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 5  | impl<T: Default> CircularBuf<T> {
[INFO] [stdout]    | ------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn signed_idx_to_unsigned(&self, idx: isize) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn get_ref(&self, idx: isize) -> &T {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn set(&mut self, idx: isize, val: T) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn get_slice(&self, start: isize, mut end: isize) -> Vec<&T> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.09s
[INFO] running `Command { std: "docker" "inspect" "67f828e41a2154f9ffa5b9f30bb55a6b2318b5003168a7342127a54dd0bc203a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67f828e41a2154f9ffa5b9f30bb55a6b2318b5003168a7342127a54dd0bc203a", kill_on_drop: false }`
[INFO] [stdout] 67f828e41a2154f9ffa5b9f30bb55a6b2318b5003168a7342127a54dd0bc203a