[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] checking tett23/ckusro-core against master#4c60a0ea5b2385d7400df9db1ad04e96f2a4c154 for 92191_revert
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftett23%2Fckusro-core" "/workspace/builds/worker-107/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-107/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tett23/ckusro-core on toolchain 4c60a0ea5b2385d7400df9db1ad04e96f2a4c154
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "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-107/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" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "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 git2 v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5bdaa8fa511d7074a4c457ec27b0f2a9e0812fac56670cc6725a279fb9914e5c
[INFO] running `Command { std: "docker" "start" "-a" "5bdaa8fa511d7074a4c457ec27b0f2a9e0812fac56670cc6725a279fb9914e5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5bdaa8fa511d7074a4c457ec27b0f2a9e0812fac56670cc6725a279fb9914e5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bdaa8fa511d7074a4c457ec27b0f2a9e0812fac56670cc6725a279fb9914e5c", kill_on_drop: false }`
[INFO] [stdout] 5bdaa8fa511d7074a4c457ec27b0f2a9e0812fac56670cc6725a279fb9914e5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d1c7d73edd50945f7669e1299331d94e3a0fb0c45ae896a9766e02c7f029141
[INFO] running `Command { std: "docker" "start" "-a" "2d1c7d73edd50945f7669e1299331d94e3a0fb0c45ae896a9766e02c7f029141", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 proc-macro2 v0.4.27
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]    Compiling crc32fast v1.1.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
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[INFO] [stderr]     Checking rustc-demangle v0.1.13
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[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking miniz_oxide v0.2.1
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.40
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling curl-sys v0.4.16
[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]     Checking smallvec v0.6.8
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking flate2 v1.0.6
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking git2 v0.8.0
[INFO] [stderr]     Checking ckusro-core v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 28s
[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: 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: 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: 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] running `Command { std: "docker" "inspect" "2d1c7d73edd50945f7669e1299331d94e3a0fb0c45ae896a9766e02c7f029141", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d1c7d73edd50945f7669e1299331d94e3a0fb0c45ae896a9766e02c7f029141", kill_on_drop: false }`
[INFO] [stdout] 2d1c7d73edd50945f7669e1299331d94e3a0fb0c45ae896a9766e02c7f029141