[INFO] cloning repository https://github.com/tett23/ckusro-core
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tett23/ckusro-core" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftett23%2Fckusro-core", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftett23%2Fckusro-core'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2ce6f476cc8d515d805fb8e81c65908244f05014
[INFO] testing tett23/ckusro-core against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftett23%2Fckusro-core" "/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/tett23/ckusro-core 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/tett23/ckusro-core
[INFO] finished tweaking git repo https://github.com/tett23/ckusro-core
[INFO] tweaked toml for git repo https://github.com/tett23/ckusro-core written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/tett23/ckusro-core 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] [stdout] 13c808205458316e189455dda28721dce57b4f5556ce8eeb2b06bc80980e44db
[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" "13c808205458316e189455dda28721dce57b4f5556ce8eeb2b06bc80980e44db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13c808205458316e189455dda28721dce57b4f5556ce8eeb2b06bc80980e44db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13c808205458316e189455dda28721dce57b4f5556ce8eeb2b06bc80980e44db", kill_on_drop: false }`
[INFO] [stdout] 13c808205458316e189455dda28721dce57b4f5556ce8eeb2b06bc80980e44db
[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] 58f4fe96d16e1eeb905138fd6fd711afa93f3fe86e4e31b52a21729a380785e3
[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" "58f4fe96d16e1eeb905138fd6fd711afa93f3fe86e4e31b52a21729a380785e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.29
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling crc32fast v1.1.2
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling smallvec v0.6.8
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling openssl-sys v0.9.40
[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 backtrace-sys v0.1.28
[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]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling flate2 v1.0.6
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling git2 v0.8.0
[INFO] [stderr]    Compiling ckusro-core v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::error::Error`
[INFO] [stdout]  --> src/namespace.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::error::Error`
[INFO] [stdout]  --> src/namespace_ref.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NamespaceType`
[INFO] [stdout]  --> src/namespace_ref.rs:2:35
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::namespace::{Namespace, NamespaceType};
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::error::Error`
[INFO] [stdout]  --> src/namespace_ref_manager.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::namespace::Namespace`
[INFO] [stdout]  --> src/namespace_ref_manager.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::namespace::Namespace;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `odb`
[INFO] [stdout]  --> src/bundled_repository.rs:6:3
[INFO] [stdout]   |
[INFO] [stdout] 6 |   odb: Odb<'a>,
[INFO] [stdout]   |   ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `namepspace_refs`
[INFO] [stdout]  --> src/namespace_ref_manager.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 7 |   namepspace_refs: Vec<Rc<NamespaceRef>>,
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Tree`
[INFO] [stdout]  --> src/tree.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum Tree<T> {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_node`
[INFO] [stdout]   --> src/tree.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 |   pub fn new_node() -> Tree<T> {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_leaf`
[INFO] [stdout]   --> src/tree.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 |   pub fn new_leaf(v: T) -> Tree<T> {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "58f4fe96d16e1eeb905138fd6fd711afa93f3fe86e4e31b52a21729a380785e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58f4fe96d16e1eeb905138fd6fd711afa93f3fe86e4e31b52a21729a380785e3", kill_on_drop: false }`
[INFO] [stdout] 58f4fe96d16e1eeb905138fd6fd711afa93f3fe86e4e31b52a21729a380785e3
[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] 22b8bb7a3dd01c64c97eff3afa9cbbdb092fa0e48bd799956118f10a62888723
[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" "22b8bb7a3dd01c64c97eff3afa9cbbdb092fa0e48bd799956118f10a62888723", kill_on_drop: false }`
[INFO] [stderr]    Compiling ckusro-core v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::error::Error`
[INFO] [stdout]  --> src/namespace.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::error::Error`
[INFO] [stdout]  --> src/namespace_ref.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NamespaceType`
[INFO] [stdout]  --> src/namespace_ref.rs:2:35
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::namespace::{Namespace, NamespaceType};
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::error::Error`
[INFO] [stdout]  --> src/namespace_ref_manager.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::namespace::Namespace`
[INFO] [stdout]  --> src/namespace_ref_manager.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::namespace::Namespace;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `odb`
[INFO] [stdout]  --> src/bundled_repository.rs:6:3
[INFO] [stdout]   |
[INFO] [stdout] 6 |   odb: Odb<'a>,
[INFO] [stdout]   |   ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `namepspace_refs`
[INFO] [stdout]  --> src/namespace_ref_manager.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 7 |   namepspace_refs: Vec<Rc<NamespaceRef>>,
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Tree`
[INFO] [stdout]  --> src/tree.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum Tree<T> {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_node`
[INFO] [stdout]   --> src/tree.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 |   pub fn new_node() -> Tree<T> {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_leaf`
[INFO] [stdout]   --> src/tree.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 |   pub fn new_leaf(v: T) -> Tree<T> {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::error::Error`
[INFO] [stdout]  --> src/namespace.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::error::Error`
[INFO] [stdout]  --> src/namespace_ref.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NamespaceType`
[INFO] [stdout]  --> src/namespace_ref.rs:2:35
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::namespace::{Namespace, NamespaceType};
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/namespace_ref.rs:95:7
[INFO] [stdout]    |
[INFO] [stdout] 95 |   use super::*;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::error::Error`
[INFO] [stdout]  --> src/namespace_ref_manager.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::namespace::Namespace`
[INFO] [stdout]  --> src/namespace_ref_manager.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::namespace::Namespace;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `NamespaceType`, `Namespace`
[INFO] [stdout]   --> src/namespace_ref_manager.rs:31:33
[INFO] [stdout]    |
[INFO] [stdout] 31 |   use super::super::namespace::{Namespace, NamespaceType};
[INFO] [stdout]    |                                 ^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::super::path_fragment::PathFragment`
[INFO] [stdout]   --> src/namespace_ref_manager.rs:32:7
[INFO] [stdout]    |
[INFO] [stdout] 32 |   use super::super::path_fragment::PathFragment;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/namespace_ref_manager.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 |   use super::*;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `git2::Oid`
[INFO] [stdout]   --> src/namespace_ref_manager.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 34 |   use git2::Oid;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/namespace_ref_manager.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/namespace_ref_manager.rs:87:11
[INFO] [stdout]    |
[INFO] [stdout] 87 |       use super::*;
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `odb`
[INFO] [stdout]  --> src/bundled_repository.rs:6:3
[INFO] [stdout]   |
[INFO] [stdout] 6 |   odb: Odb<'a>,
[INFO] [stdout]   |   ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `namepspace_refs`
[INFO] [stdout]  --> src/namespace_ref_manager.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 7 |   namepspace_refs: Vec<Rc<NamespaceRef>>,
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_leaf`
[INFO] [stdout]   --> src/tree.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 |   pub fn new_leaf(v: T) -> Tree<T> {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.23s
[INFO] running `Command { std: "docker" "inspect" "22b8bb7a3dd01c64c97eff3afa9cbbdb092fa0e48bd799956118f10a62888723", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22b8bb7a3dd01c64c97eff3afa9cbbdb092fa0e48bd799956118f10a62888723", kill_on_drop: false }`
[INFO] [stdout] 22b8bb7a3dd01c64c97eff3afa9cbbdb092fa0e48bd799956118f10a62888723
[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] e04d46fc3f83abb8bc0eee338f599e138d437bb34e2e5b3d1450abd21e82c946
[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" "e04d46fc3f83abb8bc0eee338f599e138d437bb34e2e5b3d1450abd21e82c946", kill_on_drop: false }`
[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: field is never read: `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 read: `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:6:6
[INFO] [stderr]   |
[INFO] [stderr] 6 | enum Tree<T> {
[INFO] [stderr]   |      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new_node`
[INFO] [stderr]   --> src/tree.rs:14:10
[INFO] [stderr]    |
[INFO] [stderr] 14 |   pub fn new_node() -> Tree<T> {
[INFO] [stderr]    |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new_leaf`
[INFO] [stderr]   --> src/tree.rs:20:10
[INFO] [stderr]    |
[INFO] [stderr] 20 |   pub fn new_leaf(v: T) -> Tree<T> {
[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 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: `ckusro-core` (lib) generated 10 warnings
[INFO] [stderr] warning: `ckusro-core` (lib test) generated 15 warnings (8 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ckusro_core-b4e220478a5d8724)
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test bundled_repository::tests::test_bundled_repository_new ... ok
[INFO] [stdout] test compressed_git_object::tests::test_null_pos ... ok
[INFO] [stdout] test compressed_git_object::tests::test_null_pos_when_arg_does_not_include_null_character ... ok
[INFO] [stdout] test compressed_git_object::tests::test_parse_header ... ok
[INFO] [stdout] test compressed_git_object::tests::test_parse_header_when_arg_does_not_contain_spaces ... ok
[INFO] [stdout] test compressed_git_object::tests::test_split_object ... ok
[INFO] [stdout] test compressed_git_object::tests::test_to_object_type_when_passed_invalid_type_name ... ok
[INFO] [stdout] test compressed_git_object::tests::test_to_object_type ... ok
[INFO] [stdout] test path_fragment::tests::path_fragment::parse_full_qualified_fragment::it_works ... ok
[INFO] [stdout] test namespace::tests::namespace::test_new_repository ... ok
[INFO] [stdout] test namespace::tests::namespace::test_new_user ... ok
[INFO] [stdout] test path_fragment::tests::path_fragment::is_full_qualified_fragment::it_works ... ok
[INFO] [stdout] test compressed_git_object::tests::test_inflate ... ok
[INFO] [stdout] test path_fragment::tests::path_fragment::parse_full_qualified_fragment::it_does_not_works ... ok
[INFO] [stdout] test path_fragment::tests::path_fragment::is_full_qualified_fragment::when_the_argument_does_not_include_user_separator ... ok
[INFO] [stdout] test path_fragment::tests::path_fragment::split_domain_and_rest::it_works ... ok
[INFO] [stdout] test compressed_git_object::tests::test_parse ... ok
[INFO] [stdout] test path_fragment::tests::path_fragment::parse_relative_fragment::it_works ... ok
[INFO] [stdout] test compressed_git_object::tests::test_parse_header_when_arg_does_not_contain_2_more_spaces ... ok
[INFO] [stdout] test path_fragment::tests::path_fragment::split_path_element::it_works ... ok
[INFO] [stdout] test tree::tests::test_tree ... ok
[INFO] [stdout] test namespace::tests::namespace::test_new_domain ... ok
[INFO] [stdout] test path_fragment::tests::path_fragment::split_repository_and_rest::it_works ... ok
[INFO] [stdout] test git_object::tests::git_object_from_u8_vec ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ckusro-core
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e04d46fc3f83abb8bc0eee338f599e138d437bb34e2e5b3d1450abd21e82c946", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e04d46fc3f83abb8bc0eee338f599e138d437bb34e2e5b3d1450abd21e82c946", kill_on_drop: false }`
[INFO] [stdout] e04d46fc3f83abb8bc0eee338f599e138d437bb34e2e5b3d1450abd21e82c946