[INFO] cloning repository https://github.com/jedahan/weird-echo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jedahan/weird-echo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjedahan%2Fweird-echo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjedahan%2Fweird-echo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a472ce1c9300414f62449940153e5a7c42ceef7f
[INFO] testing jedahan/weird-echo against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjedahan%2Fweird-echo" "/workspace/builds/worker-115/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-115/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jedahan/weird-echo on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jedahan/weird-echo
[INFO] finished tweaking git repo https://github.com/jedahan/weird-echo
[INFO] tweaked toml for git repo https://github.com/jedahan/weird-echo written to /workspace/builds/worker-115/source/Cargo.toml
[INFO] crate git repo https://github.com/jedahan/weird-echo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9d9d3747531f440b7b296b3a407cf7f8671fd079901db5204433879872d4b46
[INFO] running `Command { std: "docker" "start" "-a" "a9d9d3747531f440b7b296b3a407cf7f8671fd079901db5204433879872d4b46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9d9d3747531f440b7b296b3a407cf7f8671fd079901db5204433879872d4b46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9d9d3747531f440b7b296b3a407cf7f8671fd079901db5204433879872d4b46", kill_on_drop: false }`
[INFO] [stdout] a9d9d3747531f440b7b296b3a407cf7f8671fd079901db5204433879872d4b46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f26c579033d744ea11da103b4e981feedb5996939a8a8fc55d096c581286870
[INFO] running `Command { std: "docker" "start" "-a" "9f26c579033d744ea11da103b4e981feedb5996939a8a8fc55d096c581286870", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling weird-echo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0716]: temporary value dropped while borrowed
[INFO] [stdout]   --> src/main.rs:9:7
[INFO] [stdout]    |
[INFO] [stdout] 8  |       let mut messages = if env::args().count() > 1 {
[INFO] [stdout]    |           ------------ borrow later stored here
[INFO] [stdout] 9  | /       env::args()
[INFO] [stdout] 10 | |         .skip(1)
[INFO] [stdout] 11 | |         .collect::<Vec<String>>()
[INFO] [stdout] 12 | |         .join(" ")
[INFO] [stdout]    | |__________________^ creates a temporary which is freed while still in use
[INFO] [stdout] ...
[INFO] [stdout] 15 |       } else {
[INFO] [stdout]    |       - temporary value is freed at the end of this statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using a `let` binding to create a longer lived value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0597]: `input` does not live long enough
[INFO] [stdout]   --> src/main.rs:38:41
[INFO] [stdout]    |
[INFO] [stdout] 22 |         while messages.iter().count() > 3 {
[INFO] [stdout]    |               --------------- borrow later used here
[INFO] [stdout] ...
[INFO] [stdout] 38 |             Ok(_) => messages.insert(0, &input),
[INFO] [stdout]    |                                         ^^^^^^ borrowed value does not live long enough
[INFO] [stdout] ...
[INFO] [stdout] 41 |     }
[INFO] [stdout]    |     - `input` dropped here while still borrowed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0597, E0716.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0597`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `weird-echo` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "9f26c579033d744ea11da103b4e981feedb5996939a8a8fc55d096c581286870", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f26c579033d744ea11da103b4e981feedb5996939a8a8fc55d096c581286870", kill_on_drop: false }`
[INFO] [stdout] 9f26c579033d744ea11da103b4e981feedb5996939a8a8fc55d096c581286870