[INFO] cloning repository https://github.com/solidiquis/alac-pretty
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/solidiquis/alac-pretty" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsolidiquis%2Falac-pretty", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsolidiquis%2Falac-pretty'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 947eeefdda3b79c5a53252828d3eab6ca6827b00
[INFO] testing solidiquis/alac-pretty against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsolidiquis%2Falac-pretty" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/solidiquis/alac-pretty on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/solidiquis/alac-pretty
[INFO] finished tweaking git repo https://github.com/solidiquis/alac-pretty
[INFO] tweaked toml for git repo https://github.com/solidiquis/alac-pretty written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/solidiquis/alac-pretty already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 168f0f64832fc22d7ea3d6d52710984f8abb13ae2d8a5fd65d943464ef8308b8
[INFO] running `Command { std: "docker" "start" "-a" "168f0f64832fc22d7ea3d6d52710984f8abb13ae2d8a5fd65d943464ef8308b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "168f0f64832fc22d7ea3d6d52710984f8abb13ae2d8a5fd65d943464ef8308b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "168f0f64832fc22d7ea3d6d52710984f8abb13ae2d8a5fd65d943464ef8308b8", kill_on_drop: false }`
[INFO] [stdout] 168f0f64832fc22d7ea3d6d52710984f8abb13ae2d8a5fd65d943464ef8308b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7321d309d27404b237da3d57f60ee80fbb40cc083b032f9bde5f38d4c682308d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7321d309d27404b237da3d57f60ee80fbb40cc083b032f9bde5f38d4c682308d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling signal-hook v0.3.10
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling termios v0.3.3
[INFO] [stderr]    Compiling alac-pretty v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/ui.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 100 | /         loop {
[INFO] [stdout] 101 | |             if let Ok(_) = self.stdin.read(&mut bytes_buffer) {
[INFO] [stdout] 102 | |                 match bytes_buffer[0] {
[INFO] [stdout] 103 | |                     10 => self.act_on_selection(&mut func)?,
[INFO] [stdout] ...   |
[INFO] [stdout] 117 | |             bytes_buffer = [0; 3]
[INFO] [stdout] 118 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 119 | 
[INFO] [stdout] 120 |           Ok(())
[INFO] [stdout]     |           ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 | /     list.event_loop( move |selection: &str| -> Result<(), ui::Error> { 
[INFO] [stdout] 80 | |         if false { return Err(ui::Error::CmdError) }
[INFO] [stdout] 81 | |
[INFO] [stdout] 82 | |         let new_scheme = match color_schemes.get_scheme(&selection) {
[INFO] [stdout] ...  |
[INFO] [stdout] 90 | |         Ok(())
[INFO] [stdout] 91 | |     });
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |         alacritty_conf.apply_scheme();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout] 100 |     alacritty_conf.apply_scheme();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.72s
[INFO] running `Command { std: "docker" "inspect" "7321d309d27404b237da3d57f60ee80fbb40cc083b032f9bde5f38d4c682308d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7321d309d27404b237da3d57f60ee80fbb40cc083b032f9bde5f38d4c682308d", kill_on_drop: false }`
[INFO] [stdout] 7321d309d27404b237da3d57f60ee80fbb40cc083b032f9bde5f38d4c682308d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4f82aaa34d3a1b648d8c9cf1dccfdc23b59eaa1ab90a32bd8e5acf689ee70ed
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a4f82aaa34d3a1b648d8c9cf1dccfdc23b59eaa1ab90a32bd8e5acf689ee70ed", 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling alac-pretty v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/tests/parser.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     use std::env;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/ui.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 100 | /         loop {
[INFO] [stdout] 101 | |             if let Ok(_) = self.stdin.read(&mut bytes_buffer) {
[INFO] [stdout] 102 | |                 match bytes_buffer[0] {
[INFO] [stdout] 103 | |                     10 => self.act_on_selection(&mut func)?,
[INFO] [stdout] ...   |
[INFO] [stdout] 117 | |             bytes_buffer = [0; 3]
[INFO] [stdout] 118 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 119 | 
[INFO] [stdout] 120 |           Ok(())
[INFO] [stdout]     |           ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `schemes`
[INFO] [stdout]   --> src/tests/parser.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |         let schemes = match color_schemes.get_available_schemes() {
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_schemes`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 | /     list.event_loop( move |selection: &str| -> Result<(), ui::Error> { 
[INFO] [stdout] 80 | |         if false { return Err(ui::Error::CmdError) }
[INFO] [stdout] 81 | |
[INFO] [stdout] 82 | |         let new_scheme = match color_schemes.get_scheme(&selection) {
[INFO] [stdout] ...  |
[INFO] [stdout] 90 | |         Ok(())
[INFO] [stdout] 91 | |     });
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |         alacritty_conf.apply_scheme();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout] 100 |     alacritty_conf.apply_scheme();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.10s
[INFO] running `Command { std: "docker" "inspect" "a4f82aaa34d3a1b648d8c9cf1dccfdc23b59eaa1ab90a32bd8e5acf689ee70ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4f82aaa34d3a1b648d8c9cf1dccfdc23b59eaa1ab90a32bd8e5acf689ee70ed", kill_on_drop: false }`
[INFO] [stdout] a4f82aaa34d3a1b648d8c9cf1dccfdc23b59eaa1ab90a32bd8e5acf689ee70ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ff7a771b146342a2bb5ca20770b7495a196fb5722038f090db054ebe3300fc8d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ff7a771b146342a2bb5ca20770b7495a196fb5722038f090db054ebe3300fc8d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stdout] running 1 test
[INFO] [stderr]  --> src/tests/parser.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     use std::env;
[INFO] [stderr]   |         ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/ui.rs:120:9
[INFO] [stderr]     |
[INFO] [stderr] 100 | /         loop {
[INFO] [stderr] 101 | |             if let Ok(_) = self.stdin.read(&mut bytes_buffer) {
[INFO] [stderr] 102 | |                 match bytes_buffer[0] {
[INFO] [stderr] 103 | |                     10 => self.act_on_selection(&mut func)?,
[INFO] [stderr] ...   |
[INFO] [stderr] 117 | |             bytes_buffer = [0; 3]
[INFO] [stderr] 118 | |         }
[INFO] [stderr]     | |_________- any code following this expression is unreachable
[INFO] [stderr] 119 | 
[INFO] [stderr] 120 |           Ok(())
[INFO] [stderr]     |           ^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `schemes`
[INFO] [stderr]   --> src/tests/parser.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 |         let schemes = match color_schemes.get_available_schemes() {
[INFO] [stderr]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_schemes`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 | /     list.event_loop( move |selection: &str| -> Result<(), ui::Error> { 
[INFO] [stderr] 80 | |         if false { return Err(ui::Error::CmdError) }
[INFO] [stderr] 81 | |
[INFO] [stderr] 82 | |         let new_scheme = match color_schemes.get_scheme(&selection) {
[INFO] [stderr] ...  |
[INFO] [stderr] 90 | |         Ok(())
[INFO] [stderr] 91 | |     });
[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 `Result` that must be used
[INFO] [stderr]   --> src/main.rs:88:9
[INFO] [stderr]    |
[INFO] [stderr] 88 |         alacritty_conf.apply_scheme();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 |     alacritty_conf.apply_scheme();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `alac-pretty` (bin "alac-pretty" test) generated 6 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/alac_pretty-a18cb04212b60d0f)
[INFO] [stdout] test tests::parser::parser_test::test_parser ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ff7a771b146342a2bb5ca20770b7495a196fb5722038f090db054ebe3300fc8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff7a771b146342a2bb5ca20770b7495a196fb5722038f090db054ebe3300fc8d", kill_on_drop: false }`
[INFO] [stdout] ff7a771b146342a2bb5ca20770b7495a196fb5722038f090db054ebe3300fc8d