[INFO] cloning repository https://github.com/ray33ee/gud
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ray33ee/gud" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fray33ee%2Fgud", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fray33ee%2Fgud'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 52e4e2026cedfd80118c972dbd6421ceb78bfdb0
[INFO] testing ray33ee/gud against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fray33ee%2Fgud" "/workspace/builds/worker-19/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ray33ee/gud on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ray33ee/gud
[INFO] finished tweaking git repo https://github.com/ray33ee/gud
[INFO] tweaked toml for git repo https://github.com/ray33ee/gud written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate git repo https://github.com/ray33ee/gud already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded diffy v0.2.1
[INFO] [stderr]   Downloaded zip v0.5.12
[INFO] [stderr]   Downloaded bzip2-sys v0.1.10+1.0.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc91ab810971692668e36eb712f1414ca86e69d0a2df7b29aad8b3b7221abf69
[INFO] running `Command { std: "docker" "start" "-a" "cc91ab810971692668e36eb712f1414ca86e69d0a2df7b29aad8b3b7221abf69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc91ab810971692668e36eb712f1414ca86e69d0a2df7b29aad8b3b7221abf69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc91ab810971692668e36eb712f1414ca86e69d0a2df7b29aad8b3b7221abf69", kill_on_drop: false }`
[INFO] [stdout] cc91ab810971692668e36eb712f1414ca86e69d0a2df7b29aad8b3b7221abf69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac101bea4f2f796e238310341438856c9f08910a79fb9d905a7bb3748daea109
[INFO] running `Command { std: "docker" "start" "-a" "ac101bea4f2f796e238310341438856c9f08910a79fb9d905a7bb3748daea109", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling diffy v0.2.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling lzma-rs v0.1.3
[INFO] [stderr]    Compiling bzip2-sys v0.1.10+1.0.8
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling filetime v0.2.14
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling tar v0.4.33
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling zip v0.5.12
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling gud v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `copy`
[INFO] [stdout]  --> src/archive.rs:3:34
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fs::{File, OpenOptions, copy};
[INFO] [stdout]   |                                  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::Filter`
[INFO] [stdout]  --> src/walk_repo.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::Filter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FilterEntry`
[INFO] [stdout]  --> src/walk_repo.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use walkdir::{FilterEntry, WalkDir};
[INFO] [stdout]   |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/walk_repo.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VersionNumber`
[INFO] [stdout]  --> src/main.rs:7:24
[INFO] [stdout]   |
[INFO] [stdout] 7 | use archive::{Archive, VersionNumber};
[INFO] [stdout]   |                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `File`, `OpenOptions`
[INFO] [stdout]  --> src/main.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::fs::{File, OpenOptions};
[INFO] [stdout]   |               ^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read`, `copy`
[INFO] [stdout]  --> src/main.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::io::{Read, copy};
[INFO] [stdout]   |               ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `walkdir::WalkDir`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use walkdir::WalkDir;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `zip::write::FileOptions`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use zip::write::FileOptions;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DiffOptions`, `Patch`, `create_patch`
[INFO] [stdout]   --> src/main.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 | use diffy::{create_patch, Patch, DiffOptions};
[INFO] [stdout]    |             ^^^^^^^^^^^^  ^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `from_utf8_unchecked`, `from_utf8`
[INFO] [stdout]   --> src/main.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::str::{from_utf8_unchecked, from_utf8};
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::ops::Deref;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/archive.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_file_type_file`
[INFO] [stdout]   --> src/archive.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn set_file_type_file(& mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_file_type_directory`
[INFO] [stdout]   --> src/archive.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn set_file_type_directory(& mut self) { self.flags |= 1; }
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_file_type_link`
[INFO] [stdout]   --> src/archive.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn set_file_type_link(& mut self) { self.flags |= 2; }
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_read_only`
[INFO] [stdout]   --> src/archive.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn set_read_only(& mut self, read_only: bool) { if read_only { self.flags |= 4; } }
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_time`
[INFO] [stdout]   --> src/archive.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn set_time(& mut self, time: & std::io::Result<SystemTime>, position: u8) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_modified_present`
[INFO] [stdout]   --> src/archive.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn set_modified_present(& mut self, modified_time: & std::io::Result<SystemTime>) { self.set_time(modified_time, 8); }
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_accessed_present`
[INFO] [stdout]   --> src/archive.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn set_accessed_present(& mut self, accessed_time: & std::io::Result<SystemTime>) { self.set_time(accessed_time, 16); }
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_created_present`
[INFO] [stdout]   --> src/archive.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn set_created_present(& mut self, created_time: & std::io::Result<SystemTime>) { self.set_time(created_time, 32); }
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_nth_flag`
[INFO] [stdout]   --> src/archive.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn get_nth_flag(& mut self, position: u8) -> bool { (self.flags & position) != 0 }
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_file_type`
[INFO] [stdout]   --> src/archive.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn get_file_type(& mut self) -> u8 { self.flags & 3 }
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_read_only`
[INFO] [stdout]   --> src/archive.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn get_read_only(& mut self) -> bool { self.get_nth_flag(4) }
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_modified_present`
[INFO] [stdout]   --> src/archive.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn get_modified_present(& mut self) -> bool { self.get_nth_flag(8) }
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_accessed_present`
[INFO] [stdout]   --> src/archive.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn get_accessed_present(& mut self) -> bool { self.get_nth_flag(16) }
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_created_present`
[INFO] [stdout]   --> src/archive.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn get_created_present(& mut self) -> bool { self.get_nth_flag(32) }
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/archive.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn new(number: VersionNumber, message: String) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]    --> src/archive.rs:121:8
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn insert(& mut self, path: & Path, offset: u64) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `number`
[INFO] [stdout]    --> src/archive.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub number: VersionNumber,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `Version` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/archive.rs:126:10
[INFO] [stdout]     |
[INFO] [stdout] 126 | #[derive(Debug, Clone)]
[INFO] [stdout]     |          ^^^^^  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `message`
[INFO] [stdout]    --> src/archive.rs:130:5
[INFO] [stdout]     |
[INFO] [stdout] 130 |     pub message: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `Version` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/archive.rs:126:10
[INFO] [stdout]     |
[INFO] [stdout] 126 | #[derive(Debug, Clone)]
[INFO] [stdout]     |          ^^^^^  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/archive.rs:150:12
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]    --> src/archive.rs:156:12
[INFO] [stdout]     |
[INFO] [stdout] 156 |     pub fn add(& mut self, offset: u64) { self.directory.push(offset); }
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/archive.rs:160:8
[INFO] [stdout]     |
[INFO] [stdout] 160 |     fn new(path: & Path) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/archive.rs:189:8
[INFO] [stdout]     |
[INFO] [stdout] 189 |     fn new(path: & Path, contents: Contents) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create`
[INFO] [stdout]    --> src/archive.rs:214:12
[INFO] [stdout]     |
[INFO] [stdout] 214 |     pub fn create(& self) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `appender`
[INFO] [stdout]    --> src/archive.rs:228:12
[INFO] [stdout]     |
[INFO] [stdout] 228 |     pub fn appender(& mut self, number: VersionNumber, message: String) -> AppendArchive {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_repo`
[INFO] [stdout]    --> src/archive.rs:237:12
[INFO] [stdout]     |
[INFO] [stdout] 237 |     pub fn create_repo(& mut self, number: VersionNumber, message: String) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_snapshot`
[INFO] [stdout]    --> src/archive.rs:256:8
[INFO] [stdout]     |
[INFO] [stdout] 256 |     fn create_snapshot(& mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `commit_version`
[INFO] [stdout]    --> src/archive.rs:274:12
[INFO] [stdout]     |
[INFO] [stdout] 274 |     pub fn commit_version(& mut self, number: VersionNumber, message: String) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `AppendArchive`
[INFO] [stdout]    --> src/archive.rs:323:12
[INFO] [stdout]     |
[INFO] [stdout] 323 | pub struct AppendArchive {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/archive.rs:331:8
[INFO] [stdout]     |
[INFO] [stdout] 331 |     fn new(archive_path: & Path, number: VersionNumber, message: String) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `append_file`
[INFO] [stdout]    --> src/archive.rs:360:8
[INFO] [stdout]     |
[INFO] [stdout] 360 |     fn append_file<R: Read, P: AsRef<Path>>(& mut self, path: P, data: R, contents: Contents) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `append_patch`
[INFO] [stdout]    --> src/archive.rs:394:12
[INFO] [stdout]     |
[INFO] [stdout] 394 |     pub fn append_patch<P: AsRef<Path>>(& mut self, path: P, patch: & Patch<str>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `append_snapshot`
[INFO] [stdout]    --> src/archive.rs:399:12
[INFO] [stdout]     |
[INFO] [stdout] 399 |     pub fn append_snapshot<P: AsRef<Path>>(& mut self, path: P) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `finish`
[INFO] [stdout]    --> src/archive.rs:407:12
[INFO] [stdout]     |
[INFO] [stdout] 407 |     pub fn finish(& mut self) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(seek_stream_len)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(iter_advance_by)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 46 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gud` due to 3 previous errors; 46 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ac101bea4f2f796e238310341438856c9f08910a79fb9d905a7bb3748daea109", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac101bea4f2f796e238310341438856c9f08910a79fb9d905a7bb3748daea109", kill_on_drop: false }`
[INFO] [stdout] ac101bea4f2f796e238310341438856c9f08910a79fb9d905a7bb3748daea109