[INFO] fetching crate koala 0.1.5...
[INFO] checking koala-0.1.5 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3
[INFO] extracting crate koala 0.1.5 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate koala 0.1.5 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "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-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c9736688841df82fc16442a88902cc80baf17ed01c926a78d7b49b2ddbcb523
[INFO] running `Command { std: "docker" "start" "-a" "6c9736688841df82fc16442a88902cc80baf17ed01c926a78d7b49b2ddbcb523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c9736688841df82fc16442a88902cc80baf17ed01c926a78d7b49b2ddbcb523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c9736688841df82fc16442a88902cc80baf17ed01c926a78d7b49b2ddbcb523", kill_on_drop: false }`
[INFO] [stdout] 6c9736688841df82fc16442a88902cc80baf17ed01c926a78d7b49b2ddbcb523
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 438cea42422acbd40c9960323ad38fb98f942bf0a32c5149a0e8ad0a1ad15330
[INFO] running `Command { std: "docker" "start" "-a" "438cea42422acbd40c9960323ad38fb98f942bf0a32c5149a0e8ad0a1ad15330", kill_on_drop: false }`
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking 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[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[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[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] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/utils/math.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/utils/vec.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/utils/math.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/utils/vec.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0261, 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 test) due to 6 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 5 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0261, 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 6 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "438cea42422acbd40c9960323ad38fb98f942bf0a32c5149a0e8ad0a1ad15330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "438cea42422acbd40c9960323ad38fb98f942bf0a32c5149a0e8ad0a1ad15330", kill_on_drop: false }`
[INFO] [stdout] 438cea42422acbd40c9960323ad38fb98f942bf0a32c5149a0e8ad0a1ad15330