[INFO] fetching crate koala 0.1.5...
[INFO] testing koala-0.1.5 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate koala 0.1.5 into /workspace/builds/worker-0-tc2/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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate koala 0.1.5 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95474a6dce9b3aef0264b3ea4dd915f60f97149458e93cb0ef56433caf3a6ffe
[INFO] running `Command { std: "docker" "start" "-a" "95474a6dce9b3aef0264b3ea4dd915f60f97149458e93cb0ef56433caf3a6ffe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95474a6dce9b3aef0264b3ea4dd915f60f97149458e93cb0ef56433caf3a6ffe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95474a6dce9b3aef0264b3ea4dd915f60f97149458e93cb0ef56433caf3a6ffe", kill_on_drop: false }`
[INFO] [stdout] 95474a6dce9b3aef0264b3ea4dd915f60f97149458e93cb0ef56433caf3a6ffe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ac1a5987c37458f5f86839e21e632c6ee58290674a8e8d5edc005da6f41e4bc
[INFO] running `Command { std: "docker" "start" "-a" "1ac1a5987c37458f5f86839e21e632c6ee58290674a8e8d5edc005da6f41e4bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling regex v1.12.2
[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[E0282]: type annotations needed
[INFO] [stdout]   --> src/utils/math.rs:54:25
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let fval: f64 = val.deref().parse().expect("Value is not a number");
[INFO] [stdout]    |                         ^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/utils/vec.rs:33:18
[INFO] [stdout]    |
[INFO] [stdout] 33 |         .filter(|x| x.to_string() != NA)
[INFO] [stdout]    |                  ^  - type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]    |
[INFO] [stdout] 33 |         .filter(|x: /* Type */| x.to_string() != NA)
[INFO] [stdout]    |                   ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/utils/vec.rs:34:15
[INFO] [stdout]    |
[INFO] [stdout] 34 |         .map(|x| x.deref())
[INFO] [stdout]    |               ^  - type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]    |
[INFO] [stdout] 34 |         .map(|x: /* Type */| x.deref())
[INFO] [stdout]    |                ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0261, E0282, 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 8 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1ac1a5987c37458f5f86839e21e632c6ee58290674a8e8d5edc005da6f41e4bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ac1a5987c37458f5f86839e21e632c6ee58290674a8e8d5edc005da6f41e4bc", kill_on_drop: false }`
[INFO] [stdout] 1ac1a5987c37458f5f86839e21e632c6ee58290674a8e8d5edc005da6f41e4bc