[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] checking jedahan/weird-echo against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjedahan%2Fweird-echo" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jedahan/weird-echo on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", 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-8/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" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3de252f5a9d0402196ec7605b127d1b4a439584fb1f66e71a8507cd9d6266367
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3de252f5a9d0402196ec7605b127d1b4a439584fb1f66e71a8507cd9d6266367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3de252f5a9d0402196ec7605b127d1b4a439584fb1f66e71a8507cd9d6266367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3de252f5a9d0402196ec7605b127d1b4a439584fb1f66e71a8507cd9d6266367", kill_on_drop: false }`
[INFO] [stdout] 3de252f5a9d0402196ec7605b127d1b4a439584fb1f66e71a8507cd9d6266367
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e2f35c09302cc4b7e4445bf45a8d379bee91805c8dfb7bb35f824358dbe8fe2d
[INFO] running `Command { std: "docker" "start" "-a" "e2f35c09302cc4b7e4445bf45a8d379bee91805c8dfb7bb35f824358dbe8fe2d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking 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] [stderr] error: could not compile `weird-echo`.
[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] [stderr] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] Some errors have detailed explanations: E0597, E0716.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about an error, try `rustc --explain E0597`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[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] running `Command { std: "docker" "inspect" "e2f35c09302cc4b7e4445bf45a8d379bee91805c8dfb7bb35f824358dbe8fe2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2f35c09302cc4b7e4445bf45a8d379bee91805c8dfb7bb35f824358dbe8fe2d", kill_on_drop: false }`
[INFO] [stdout] e2f35c09302cc4b7e4445bf45a8d379bee91805c8dfb7bb35f824358dbe8fe2d
