[INFO] updating cached repository https://github.com/sgbasaraner/mgit
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ee6877f25df454f58b69cab42180bec1bd67aac2
[INFO] checking sgbasaraner/mgit against master#bd0bacc694d7d8175804bb6f690cb846bfa4a9ee for pr-71665
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsgbasaraner%2Fmgit" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sgbasaraner/mgit on toolchain bd0bacc694d7d8175804bb6f690cb846bfa4a9ee
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-14/source/Cargo.toml
[INFO] crate git repo https://github.com/sgbasaraner/mgit already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 34f6763bc8acd2e289a0d29c59ce5d09fd1a47725ab66ab0ba20c389ab98c700
[INFO] running `"docker" "start" "-a" "34f6763bc8acd2e289a0d29c59ce5d09fd1a47725ab66ab0ba20c389ab98c700"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.15
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling hashbrown v0.7.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking dlv-list v0.2.2
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling rustversion v1.0.2
[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] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/object.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/object.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `object::Object`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use object::Object;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/object.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/object.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `object::Object`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use object::Object;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/repository.rs:25:28
[INFO] [stderr]    |
[INFO] [stderr] 25 |         write!(f,"{}",self.description())
[INFO] [stderr]    |                            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/repository.rs:25:28
[INFO] [stderr]    |
[INFO] [stderr] 25 |         write!(f,"{}",self.description())
[INFO] [stderr]    |                            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `worktree`
[INFO] [stderr]   --> src/repository.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     worktree: PathBuf,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NotAGitRepository`
[INFO] [stderr]   --> src/repository.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     NotAGitRepository,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ConfigFileMissing`
[INFO] [stderr]   --> src/repository.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     ConfigFileMissing,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnsupportedVersion`
[INFO] [stderr]   --> src/repository.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     UnsupportedVersion
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `from_path`
[INFO] [stderr]   --> src/repository.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |     fn from_path(path: PathBuf) -> Result<Repository, RepoInitError> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `repo_find`
[INFO] [stderr]    --> src/repository.rs:162:8
[INFO] [stderr]     |
[INFO] [stderr] 162 | pub fn repo_find(path: PathBuf) -> Option<Repository> {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `repo_find_or_panic`
[INFO] [stderr]    --> src/repository.rs:180:8
[INFO] [stderr]     |
[INFO] [stderr] 180 | pub fn repo_find_or_panic(path: PathBuf) -> Repository {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Commit`
[INFO] [stderr]   --> src/object.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Commit,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Tree`
[INFO] [stderr]   --> src/object.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Tree,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Tag`
[INFO] [stderr]   --> src/object.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Tag,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Blob`
[INFO] [stderr]   --> src/object.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Blob
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MalformedSha`
[INFO] [stderr]   --> src/object.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     MalformedSha,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MalformedObject`
[INFO] [stderr]   --> src/object.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     MalformedObject,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnknownType`
[INFO] [stderr]   --> src/object.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     UnknownType,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read`
[INFO] [stderr]   --> src/object.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn read(repo: &Repository, sha: Vec<char>) -> Result<Object, ObjectError> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `split_like_string`
[INFO] [stderr]   --> src/object.rs:62:4
[INFO] [stderr]    |
[INFO] [stderr] 62 | fn split_like_string<T: Copy>(vec: &Vec<T>, elem: T) -> Vec<Vec<T>> where T: PartialEq {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `worktree`
[INFO] [stderr]   --> src/repository.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     worktree: PathBuf,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NotAGitRepository`
[INFO] [stderr]   --> src/repository.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     NotAGitRepository,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ConfigFileMissing`
[INFO] [stderr]   --> src/repository.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     ConfigFileMissing,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnsupportedVersion`
[INFO] [stderr]   --> src/repository.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     UnsupportedVersion
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `from_path`
[INFO] [stderr]   --> src/repository.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |     fn from_path(path: PathBuf) -> Result<Repository, RepoInitError> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `repo_find`
[INFO] [stderr]    --> src/repository.rs:162:8
[INFO] [stderr]     |
[INFO] [stderr] 162 | pub fn repo_find(path: PathBuf) -> Option<Repository> {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `repo_find_or_panic`
[INFO] [stderr]    --> src/repository.rs:180:8
[INFO] [stderr]     |
[INFO] [stderr] 180 | pub fn repo_find_or_panic(path: PathBuf) -> Repository {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Commit`
[INFO] [stderr]   --> src/object.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Commit,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Tree`
[INFO] [stderr]   --> src/object.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Tree,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Tag`
[INFO] [stderr]   --> src/object.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Tag,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Blob`
[INFO] [stderr]   --> src/object.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Blob
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MalformedSha`
[INFO] [stderr]   --> src/object.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     MalformedSha,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MalformedObject`
[INFO] [stderr]   --> src/object.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     MalformedObject,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnknownType`
[INFO] [stderr]   --> src/object.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     UnknownType,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read`
[INFO] [stderr]   --> src/object.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn read(repo: &Repository, sha: Vec<char>) -> Result<Object, ObjectError> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `split_like_string`
[INFO] [stderr]   --> src/object.rs:62:4
[INFO] [stderr]    |
[INFO] [stderr] 62 | fn split_like_string<T: Copy>(vec: &Vec<T>, elem: T) -> Vec<Vec<T>> where T: PartialEq {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 20 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 20 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.53s
[INFO] running `"docker" "inspect" "34f6763bc8acd2e289a0d29c59ce5d09fd1a47725ab66ab0ba20c389ab98c700"`
[INFO] running `"docker" "rm" "-f" "34f6763bc8acd2e289a0d29c59ce5d09fd1a47725ab66ab0ba20c389ab98c700"`
[INFO] [stdout] 34f6763bc8acd2e289a0d29c59ce5d09fd1a47725ab66ab0ba20c389ab98c700