[INFO] updating cached repository tett23/ckusro-core
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tett23/ckusro-core
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tett23/ckusro-core" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/tett23/ckusro-core"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/tett23/ckusro-core'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tett23/ckusro-core" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/tett23/ckusro-core"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/tett23/ckusro-core'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2ce6f476cc8d515d805fb8e81c65908244f05014
[INFO] sha for GitHub repo tett23/ckusro-core: 2ce6f476cc8d515d805fb8e81c65908244f05014
[INFO] validating manifest of tett23/ckusro-core on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tett23/ckusro-core on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tett23/ckusro-core
[INFO] finished frobbing tett23/ckusro-core
[INFO] frobbed toml for tett23/ckusro-core written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/tett23/ckusro-core/Cargo.toml
[INFO] started frobbing tett23/ckusro-core
[INFO] finished frobbing tett23/ckusro-core
[INFO] frobbed toml for tett23/ckusro-core written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/tett23/ckusro-core/Cargo.toml
[INFO] crate tett23/ckusro-core already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tett23/ckusro-core against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-6/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/tett23/ckusro-core:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3defd0fa8524194481941928c7b6cc7c0bfff6fef2a21d6beda818882258ee93
[INFO] running `"docker" "start" "-a" "3defd0fa8524194481941928c7b6cc7c0bfff6fef2a21d6beda818882258ee93"`
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.16
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.2.1
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking flate2 v1.0.6
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking git2 v0.8.0
[INFO] [stderr]     Checking ckusro-core v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `super::error::Error`
[INFO] [stderr]  --> src/namespace.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::error::Error`
[INFO] [stderr]  --> src/namespace_ref.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `NamespaceType`
[INFO] [stderr]  --> src/namespace_ref.rs:2:35
[INFO] [stderr]   |
[INFO] [stderr] 2 | use super::namespace::{Namespace, NamespaceType};
[INFO] [stderr]   |                                   ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::error::Error`
[INFO] [stderr]  --> src/namespace_ref_manager.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::namespace::Namespace`
[INFO] [stderr]  --> src/namespace_ref_manager.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use super::namespace::Namespace;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::error::Error`
[INFO] [stderr]  --> src/namespace.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::error::Error`
[INFO] [stderr]  --> src/namespace_ref.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `NamespaceType`
[INFO] [stderr]  --> src/namespace_ref.rs:2:35
[INFO] [stderr]   |
[INFO] [stderr] 2 | use super::namespace::{Namespace, NamespaceType};
[INFO] [stderr]   |                                   ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/namespace_ref.rs:95:7
[INFO] [stderr]    |
[INFO] [stderr] 95 |   use super::*;
[INFO] [stderr]    |       ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::error::Error`
[INFO] [stderr]  --> src/namespace_ref_manager.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::namespace::Namespace`
[INFO] [stderr]  --> src/namespace_ref_manager.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use super::namespace::Namespace;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `NamespaceType`, `Namespace`
[INFO] [stderr]   --> src/namespace_ref_manager.rs:31:33
[INFO] [stderr]    |
[INFO] [stderr] 31 |   use super::super::namespace::{Namespace, NamespaceType};
[INFO] [stderr]    |                                 ^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::super::path_fragment::PathFragment`
[INFO] [stderr]   --> src/namespace_ref_manager.rs:32:7
[INFO] [stderr]    |
[INFO] [stderr] 32 |   use super::super::path_fragment::PathFragment;
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/namespace_ref_manager.rs:33:7
[INFO] [stderr]    |
[INFO] [stderr] 33 |   use super::*;
[INFO] [stderr]    |       ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `git2::Oid`
[INFO] [stderr]   --> src/namespace_ref_manager.rs:34:7
[INFO] [stderr]    |
[INFO] [stderr] 34 |   use git2::Oid;
[INFO] [stderr]    |       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/namespace_ref_manager.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/namespace_ref_manager.rs:87:11
[INFO] [stderr]    |
[INFO] [stderr] 87 |       use super::*;
[INFO] [stderr]    |           ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `odb`
[INFO] [stderr]  --> src/bundled_repository.rs:6:3
[INFO] [stderr]   |
[INFO] [stderr] 6 |   odb: Odb<'a>,
[INFO] [stderr]   |   ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `namepspace_refs`
[INFO] [stderr]  --> src/namespace_ref_manager.rs:7:3
[INFO] [stderr]   |
[INFO] [stderr] 7 |   namepspace_refs: Vec<Rc<NamespaceRef>>,
[INFO] [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Tree`
[INFO] [stderr]  --> src/tree.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | enum Tree<T> {
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_node`
[INFO] [stderr]   --> src/tree.rs:14:3
[INFO] [stderr]    |
[INFO] [stderr] 14 |   pub fn new_node() -> Tree<T> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_leaf`
[INFO] [stderr]   --> src/tree.rs:20:3
[INFO] [stderr]    |
[INFO] [stderr] 20 |   pub fn new_leaf(v: T) -> Tree<T> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `odb`
[INFO] [stderr]  --> src/bundled_repository.rs:6:3
[INFO] [stderr]   |
[INFO] [stderr] 6 |   odb: Odb<'a>,
[INFO] [stderr]   |   ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `namepspace_refs`
[INFO] [stderr]  --> src/namespace_ref_manager.rs:7:3
[INFO] [stderr]   |
[INFO] [stderr] 7 |   namepspace_refs: Vec<Rc<NamespaceRef>>,
[INFO] [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_leaf`
[INFO] [stderr]   --> src/tree.rs:20:3
[INFO] [stderr]    |
[INFO] [stderr] 20 |   pub fn new_leaf(v: T) -> Tree<T> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `"docker" "inspect" "3defd0fa8524194481941928c7b6cc7c0bfff6fef2a21d6beda818882258ee93"`
[INFO] running `"docker" "rm" "-f" "3defd0fa8524194481941928c7b6cc7c0bfff6fef2a21d6beda818882258ee93"`
[INFO] [stdout] 3defd0fa8524194481941928c7b6cc7c0bfff6fef2a21d6beda818882258ee93