[INFO] cloning repository https://github.com/Ali5hahriar/string_size
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ali5hahriar/string_size" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAli5hahriar%2Fstring_size", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAli5hahriar%2Fstring_size'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 39df1f642f9440f392d67cf2495c5864014ee644
[INFO] checking Ali5hahriar/string_size against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAli5hahriar%2Fstring_size" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Ali5hahriar/string_size
[INFO] finished tweaking git repo https://github.com/Ali5hahriar/string_size
[INFO] tweaked toml for git repo https://github.com/Ali5hahriar/string_size written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Ali5hahriar/string_size on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Ali5hahriar/string_size 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85d12906108f76eda571560fa5dbc66c5faedb94ab0b58f1562f02b850e870bd
[INFO] running `Command { std: "docker" "start" "-a" "85d12906108f76eda571560fa5dbc66c5faedb94ab0b58f1562f02b850e870bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85d12906108f76eda571560fa5dbc66c5faedb94ab0b58f1562f02b850e870bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85d12906108f76eda571560fa5dbc66c5faedb94ab0b58f1562f02b850e870bd", kill_on_drop: false }`
[INFO] [stdout] 85d12906108f76eda571560fa5dbc66c5faedb94ab0b58f1562f02b850e870bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5793a7fe43e6a892d03f64c11084c2d2238fc25787b054f96ec86591c5df3614
[INFO] running `Command { std: "docker" "start" "-a" "5793a7fe43e6a892d03f64c11084c2d2238fc25787b054f96ec86591c5df3614", kill_on_drop: false }`
[INFO] [stderr]     Checking string_size v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]  --> src/main.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn dangle() -> &String {
[INFO] [stdout]   |                ^ expected named lifetime parameter
[INFO] [stdout]   |
[INFO] [stdout]   = help: this function's return type contains a borrowed value, but there is no value for it to be borrowed from
[INFO] [stdout] help: consider using the `'static` lifetime, but this is uncommon unless you're returning a borrowed value from a `const` or a `static`
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn dangle() -> &'static String {
[INFO] [stdout]   |                 +++++++
[INFO] [stdout] help: instead, you are more likely to want to return an owned value
[INFO] [stdout]   |
[INFO] [stdout] 5 - fn dangle() -> &String {
[INFO] [stdout] 5 + fn dangle() -> String {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0106`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `string_size` (bin "string_size") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]  --> src/main.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn dangle() -> &String {
[INFO] [stdout]   |                ^ expected named lifetime parameter
[INFO] [stdout]   |
[INFO] [stdout]   = help: this function's return type contains a borrowed value, but there is no value for it to be borrowed from
[INFO] [stdout] help: consider using the `'static` lifetime, but this is uncommon unless you're returning a borrowed value from a `const` or a `static`
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn dangle() -> &'static String {
[INFO] [stdout]   |                 +++++++
[INFO] [stdout] help: instead, you are more likely to want to return an owned value
[INFO] [stdout]   |
[INFO] [stdout] 5 - fn dangle() -> &String {
[INFO] [stdout] 5 + fn dangle() -> String {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0106`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `string_size` (bin "string_size" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "5793a7fe43e6a892d03f64c11084c2d2238fc25787b054f96ec86591c5df3614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5793a7fe43e6a892d03f64c11084c2d2238fc25787b054f96ec86591c5df3614", kill_on_drop: false }`
[INFO] [stdout] 5793a7fe43e6a892d03f64c11084c2d2238fc25787b054f96ec86591c5df3614
