[INFO] cloning repository https://github.com/sgbasaraner/mgit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sgbasaraner/mgit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsgbasaraner%2Fmgit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsgbasaraner%2Fmgit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ee6877f25df454f58b69cab42180bec1bd67aac2
[INFO] checking sgbasaraner/mgit against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsgbasaraner%2Fmgit" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sgbasaraner/mgit
[INFO] finished tweaking git repo https://github.com/sgbasaraner/mgit
[INFO] tweaked toml for git repo https://github.com/sgbasaraner/mgit written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sgbasaraner/mgit on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sgbasaraner/mgit 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ordered-multimap v0.2.4
[INFO] [stderr]   Downloaded structopt v0.3.9
[INFO] [stderr]   Downloaded dlv-list v0.2.2
[INFO] [stderr]   Downloaded const-random v0.1.8
[INFO] [stderr]   Downloaded ahash v0.3.2
[INFO] [stderr]   Downloaded flate2 v1.0.13
[INFO] [stderr]   Downloaded hashbrown v0.7.0
[INFO] [stderr]   Downloaded rust-ini v0.15.2
[INFO] [stderr]   Downloaded structopt-derive v0.4.2
[INFO] [stderr]   Downloaded const-random-macro v0.1.8
[INFO] [stderr]   Downloaded hermit-abi v0.1.7
[INFO] [stderr]   Downloaded syn v1.0.15
[INFO] [stderr]   Downloaded proc-macro-error-attr v0.4.9
[INFO] [stderr]   Downloaded rustversion v1.0.2
[INFO] [stderr]   Downloaded proc-macro-error v0.4.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a16d29ac6a7eb51b72bdffcddfa5cb86cfc87fc0dc8ae17408cdd4e2d3f2bf2c
[INFO] running `Command { std: "docker" "start" "-a" "a16d29ac6a7eb51b72bdffcddfa5cb86cfc87fc0dc8ae17408cdd4e2d3f2bf2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a16d29ac6a7eb51b72bdffcddfa5cb86cfc87fc0dc8ae17408cdd4e2d3f2bf2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a16d29ac6a7eb51b72bdffcddfa5cb86cfc87fc0dc8ae17408cdd4e2d3f2bf2c", kill_on_drop: false }`
[INFO] [stdout] a16d29ac6a7eb51b72bdffcddfa5cb86cfc87fc0dc8ae17408cdd4e2d3f2bf2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab957a2c21ea9d5c2c9b6f9a450c5c38af922ea43b7d8351751a7198236983fb
[INFO] running `Command { std: "docker" "start" "-a" "ab957a2c21ea9d5c2c9b6f9a450c5c38af922ea43b7d8351751a7198236983fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.15
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling hashbrown v0.7.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking dlv-list v0.2.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling proc-macro-error v0.4.9
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.9
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking ahash v0.3.2
[INFO] [stderr]    Compiling structopt-derive v0.4.2
[INFO] [stderr]     Checking ordered-multimap v0.2.4
[INFO] [stderr]     Checking rust-ini v0.15.2
[INFO] [stderr]     Checking structopt v0.3.9
[INFO] [stderr]     Checking mgit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/object.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/object.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `object::Object`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use object::Object;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/repository.rs:25:28
[INFO] [stdout]    |
[INFO] [stdout] 25 |         write!(f,"{}",self.description())
[INFO] [stdout]    |                            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/object.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/object.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `object::Object`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use object::Object;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/repository.rs:25:28
[INFO] [stdout]    |
[INFO] [stdout] 25 |         write!(f,"{}",self.description())
[INFO] [stdout]    |                            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `worktree` is never read
[INFO] [stdout]   --> src/repository.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Repository {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 11 |     worktree: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `RepoInitError` is never used
[INFO] [stdout]   --> src/repository.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | enum RepoInitError {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_path` is never used
[INFO] [stdout]   --> src/repository.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl Repository {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 73 |     fn from_path(path: PathBuf) -> Result<Repository, RepoInitError> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `repo_find` is never used
[INFO] [stdout]    --> src/repository.rs:162:8
[INFO] [stdout]     |
[INFO] [stdout] 162 | pub fn repo_find(path: PathBuf) -> Option<Repository> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `repo_find_or_panic` is never used
[INFO] [stdout]    --> src/repository.rs:180:8
[INFO] [stdout]     |
[INFO] [stdout] 180 | pub fn repo_find_or_panic(path: PathBuf) -> Repository {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Object` is never used
[INFO] [stdout]   --> src/object.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub enum Object {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ObjectError` is never used
[INFO] [stdout]   --> src/object.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub enum ObjectError {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `read` is never used
[INFO] [stdout]   --> src/object.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl Object {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 27 |     pub fn read(repo: &Repository, sha: Vec<char>) -> Result<Object, ObjectError> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `split_like_string` is never used
[INFO] [stdout]   --> src/object.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn split_like_string<T: Copy>(vec: &Vec<T>, elem: T) -> Vec<Vec<T>> where T: PartialEq {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `worktree` is never read
[INFO] [stdout]   --> src/repository.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Repository {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 11 |     worktree: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `RepoInitError` is never used
[INFO] [stdout]   --> src/repository.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | enum RepoInitError {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_path` is never used
[INFO] [stdout]   --> src/repository.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl Repository {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 73 |     fn from_path(path: PathBuf) -> Result<Repository, RepoInitError> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `repo_find` is never used
[INFO] [stdout]    --> src/repository.rs:162:8
[INFO] [stdout]     |
[INFO] [stdout] 162 | pub fn repo_find(path: PathBuf) -> Option<Repository> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `repo_find_or_panic` is never used
[INFO] [stdout]    --> src/repository.rs:180:8
[INFO] [stdout]     |
[INFO] [stdout] 180 | pub fn repo_find_or_panic(path: PathBuf) -> Repository {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Object` is never used
[INFO] [stdout]   --> src/object.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub enum Object {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ObjectError` is never used
[INFO] [stdout]   --> src/object.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub enum ObjectError {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `read` is never used
[INFO] [stdout]   --> src/object.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl Object {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 27 |     pub fn read(repo: &Repository, sha: Vec<char>) -> Result<Object, ObjectError> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `split_like_string` is never used
[INFO] [stdout]   --> src/object.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn split_like_string<T: Copy>(vec: &Vec<T>, elem: T) -> Vec<Vec<T>> where T: PartialEq {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.80s
[INFO] running `Command { std: "docker" "inspect" "ab957a2c21ea9d5c2c9b6f9a450c5c38af922ea43b7d8351751a7198236983fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab957a2c21ea9d5c2c9b6f9a450c5c38af922ea43b7d8351751a7198236983fb", kill_on_drop: false }`
[INFO] [stdout] ab957a2c21ea9d5c2c9b6f9a450c5c38af922ea43b7d8351751a7198236983fb
