[INFO] fetching crate koala 0.1.5...
[INFO] testing koala-0.1.5 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate koala 0.1.5 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate koala 0.1.5 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-31/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25cb51925d73582cf41ab1aba47e0f6e20e108baa44915fe37ff49d83d62bdc5
[INFO] running `Command { std: "docker" "start" "-a" "25cb51925d73582cf41ab1aba47e0f6e20e108baa44915fe37ff49d83d62bdc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25cb51925d73582cf41ab1aba47e0f6e20e108baa44915fe37ff49d83d62bdc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25cb51925d73582cf41ab1aba47e0f6e20e108baa44915fe37ff49d83d62bdc5", kill_on_drop: false }`
[INFO] [stdout] 25cb51925d73582cf41ab1aba47e0f6e20e108baa44915fe37ff49d83d62bdc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7e26b65305ee92587b6cb618d458cf6956b3f149db0683481c91caa009da527
[INFO] running `Command { std: "docker" "start" "-a" "f7e26b65305ee92587b6cb618d458cf6956b3f149db0683481c91caa009da527", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex v1.5.5
[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 due to unsolved ergonomic questions and added lifetime resolution complexity
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(allocator_api)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[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: `<'a>`
[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: `<'a>`
[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: `<'a>`
[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] 31 | pub fn non_na_vec(vec: &'a Vec<&'a str>) -> Vec<&'a str> {
[INFO] [stdout]    |                  - help: consider introducing lifetime `'a` here: `<'a>`
[INFO] [stdout] 32 |     let non_na: Vec<&'a str> = vec.iter()
[INFO] [stdout]    |                      ^^ undeclared lifetime
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[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` due to 7 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f7e26b65305ee92587b6cb618d458cf6956b3f149db0683481c91caa009da527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7e26b65305ee92587b6cb618d458cf6956b3f149db0683481c91caa009da527", kill_on_drop: false }`
[INFO] [stdout] f7e26b65305ee92587b6cb618d458cf6956b3f149db0683481c91caa009da527