[INFO] fetching crate koala 0.1.5...
[INFO] testing koala-0.1.5 against 1.90.0 for beta-1.91-3
[INFO] extracting crate koala 0.1.5 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate koala 0.1.5
[INFO] finished tweaking crates.io crate koala 0.1.5
[INFO] tweaked toml for crates.io crate koala 0.1.5 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate koala 0.1.5 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2d24740cd06c3fdbdac263e00cdee17b74cb36656346ad63c2b282e6a2a08c4
[INFO] running `Command { std: "docker" "start" "-a" "c2d24740cd06c3fdbdac263e00cdee17b74cb36656346ad63c2b282e6a2a08c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2d24740cd06c3fdbdac263e00cdee17b74cb36656346ad63c2b282e6a2a08c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2d24740cd06c3fdbdac263e00cdee17b74cb36656346ad63c2b282e6a2a08c4", kill_on_drop: false }`
[INFO] [stdout] c2d24740cd06c3fdbdac263e00cdee17b74cb36656346ad63c2b282e6a2a08c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fdacfb2a35eeb4fa6b78239fdb2d2bbd695774cf05eecc59848380d559a2bc9
[INFO] running `Command { std: "docker" "start" "-a" "5fdacfb2a35eeb4fa6b78239fdb2d2bbd695774cf05eecc59848380d559a2bc9", kill_on_drop: false }`
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling koala v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(in_band_lifetimes)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in 1.61.0; see <https://github.com/rust-lang/rust/pull/93845> for more information
[INFO] [stdout]   = note: removed due to unsolved ergonomic questions and added lifetime resolution complexity
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0261]: use of undeclared lifetime name `'a`
[INFO] [stdout]   --> src/utils/vec.rs:31:25
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn non_na_vec(vec: &'a Vec<&'a str>) -> Vec<&'a str> {
[INFO] [stdout]    |                         ^^ undeclared lifetime
[INFO] [stdout]    |
[INFO] [stdout] help: consider introducing lifetime `'a` here
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn non_na_vec<'a>(vec: &'a Vec<&'a str>) -> Vec<&'a str> {
[INFO] [stdout]    |                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0261]: use of undeclared lifetime name `'a`
[INFO] [stdout]   --> src/utils/vec.rs:31:33
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn non_na_vec(vec: &'a Vec<&'a str>) -> Vec<&'a str> {
[INFO] [stdout]    |                                 ^^ undeclared lifetime
[INFO] [stdout]    |
[INFO] [stdout] help: consider introducing lifetime `'a` here
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn non_na_vec<'a>(vec: &'a Vec<&'a str>) -> Vec<&'a str> {
[INFO] [stdout]    |                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0261]: use of undeclared lifetime name `'a`
[INFO] [stdout]   --> src/utils/vec.rs:31:50
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn non_na_vec(vec: &'a Vec<&'a str>) -> Vec<&'a str> {
[INFO] [stdout]    |                                                  ^^ undeclared lifetime
[INFO] [stdout]    |
[INFO] [stdout] help: consider introducing lifetime `'a` here
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn non_na_vec<'a>(vec: &'a Vec<&'a str>) -> Vec<&'a str> {
[INFO] [stdout]    |                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0261]: use of undeclared lifetime name `'a`
[INFO] [stdout]   --> src/utils/vec.rs:32:22
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let non_na: Vec<&'a str> = vec.iter()
[INFO] [stdout]    |                      ^^ undeclared lifetime
[INFO] [stdout]    |
[INFO] [stdout] help: consider introducing lifetime `'a` here
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn non_na_vec<'a>(vec: &'a Vec<&'a str>) -> Vec<&'a str> {
[INFO] [stdout]    |                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(in_band_lifetimes)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(allocator_api)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0261, E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0261`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `koala` (lib) due to 7 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5fdacfb2a35eeb4fa6b78239fdb2d2bbd695774cf05eecc59848380d559a2bc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fdacfb2a35eeb4fa6b78239fdb2d2bbd695774cf05eecc59848380d559a2bc9", kill_on_drop: false }`
[INFO] [stdout] 5fdacfb2a35eeb4fa6b78239fdb2d2bbd695774cf05eecc59848380d559a2bc9