[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 try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftett23%2Fckusro-core" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tett23/ckusro-core on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-11/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed771f4ee3eaf648001a5f52cd6c3908d01d19c90210bed80ce1bad554552be0
[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" "ed771f4ee3eaf648001a5f52cd6c3908d01d19c90210bed80ce1bad554552be0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed771f4ee3eaf648001a5f52cd6c3908d01d19c90210bed80ce1bad554552be0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed771f4ee3eaf648001a5f52cd6c3908d01d19c90210bed80ce1bad554552be0", kill_on_drop: false }`
[INFO] [stdout] ed771f4ee3eaf648001a5f52cd6c3908d01d19c90210bed80ce1bad554552be0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54066c739b665285783641f235caf0faf22e72fa8761d930b014c705b10e789b
[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" "54066c739b665285783641f235caf0faf22e72fa8761d930b014c705b10e789b", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling crc32fast v1.1.2
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.2.1
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking backtrace-sys v0.1.28
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking smallvec v0.6.8
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.40
[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]     Checking flate2 v1.0.6
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking url v1.7.2
[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 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/namespace_ref_manager.rs (8 fixes)
[INFO] [stderr]        Fixed src/namespace.rs (1 fix)
[INFO] [stderr]        Fixed src/namespace_ref.rs (3 fixes)
[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: 5 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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking ckusro-core v0.0.1 (/tmp/fixit)
[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: 5 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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "54066c739b665285783641f235caf0faf22e72fa8761d930b014c705b10e789b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54066c739b665285783641f235caf0faf22e72fa8761d930b014c705b10e789b", kill_on_drop: false }`
[INFO] [stdout] 54066c739b665285783641f235caf0faf22e72fa8761d930b014c705b10e789b