[INFO] cloning repository https://github.com/JPMoresmau/rust-interview
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JPMoresmau/rust-interview" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJPMoresmau%2Frust-interview", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJPMoresmau%2Frust-interview'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e9dcc59f9c68da3fe9604cb449ab68c9f90e0ce0
[INFO] checking JPMoresmau/rust-interview against try#901e6d56697c79b2e80df6a487b2318ec6f57ee3 for pr-142287
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJPMoresmau%2Frust-interview" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JPMoresmau/rust-interview on toolchain 901e6d56697c79b2e80df6a487b2318ec6f57ee3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JPMoresmau/rust-interview
[INFO] finished tweaking git repo https://github.com/JPMoresmau/rust-interview
[INFO] tweaked toml for git repo https://github.com/JPMoresmau/rust-interview written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/JPMoresmau/rust-interview already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0620f4c2617c770da493233c2c1cba97a8837449cb93d493bebe806ddf91cd2d
[INFO] running `Command { std: "docker" "start" "-a" "0620f4c2617c770da493233c2c1cba97a8837449cb93d493bebe806ddf91cd2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0620f4c2617c770da493233c2c1cba97a8837449cb93d493bebe806ddf91cd2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0620f4c2617c770da493233c2c1cba97a8837449cb93d493bebe806ddf91cd2d", kill_on_drop: false }`
[INFO] [stdout] 0620f4c2617c770da493233c2c1cba97a8837449cb93d493bebe806ddf91cd2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a77922008c39ff0ec9b4976a50d57bd0faaa87294ae087c7fd0317245c93d31e
[INFO] running `Command { std: "docker" "start" "-a" "a77922008c39ff0ec9b4976a50d57bd0faaa87294ae087c7fd0317245c93d31e", kill_on_drop: false }`
[INFO] [stderr]     Checking interview v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub use crate::btree::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ the name `Solution` in the type namespace is first re-exported here
[INFO] [stdout] ...
[INFO] [stdout] 24 | pub use crate::matrix::*;
[INFO] [stdout]    |         ---------------- but the name `Solution` in the type namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub use crate::btree::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ the name `Solution` in the type namespace is first re-exported here
[INFO] [stdout] ...
[INFO] [stdout] 24 | pub use crate::matrix::*;
[INFO] [stdout]    |         ---------------- but the name `Solution` in the type namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0716]: temporary value dropped while borrowed
[INFO] [stdout]    --> src/llist.rs:128:48
[INFO] [stdout]     |
[INFO] [stdout] 124 | impl<'a, T> Iterator for LLIterator<'a, T> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] ...
[INFO] [stdout] 128 |         let lc = mem::replace(&mut self.head, &LCell::Nil);
[INFO] [stdout]     |                  ------------------------------^^^^^^^^^^-- temporary value is freed at the end of this statement
[INFO] [stdout]     |                  |                             |
[INFO] [stdout]     |                  |                             creates a temporary value which is freed while still in use
[INFO] [stdout]     |                  argument requires that borrow lasts for `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0716`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `interview` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0716]: temporary value dropped while borrowed
[INFO] [stdout]    --> src/llist.rs:128:48
[INFO] [stdout]     |
[INFO] [stdout] 124 | impl<'a, T> Iterator for LLIterator<'a, T> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] ...
[INFO] [stdout] 128 |         let lc = mem::replace(&mut self.head, &LCell::Nil);
[INFO] [stdout]     |                  ------------------------------^^^^^^^^^^-- temporary value is freed at the end of this statement
[INFO] [stdout]     |                  |                             |
[INFO] [stdout]     |                  |                             creates a temporary value which is freed while still in use
[INFO] [stdout]     |                  argument requires that borrow lasts for `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0716`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `interview` (lib test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "a77922008c39ff0ec9b4976a50d57bd0faaa87294ae087c7fd0317245c93d31e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a77922008c39ff0ec9b4976a50d57bd0faaa87294ae087c7fd0317245c93d31e", kill_on_drop: false }`
[INFO] [stdout] a77922008c39ff0ec9b4976a50d57bd0faaa87294ae087c7fd0317245c93d31e