[INFO] cloning repository https://github.com/jaredwolff/simple-prompt-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jaredwolff/simple-prompt-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaredwolff%2Fsimple-prompt-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaredwolff%2Fsimple-prompt-rs'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaredwolff%2Fsimple-prompt-rs: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/jaredwolff/simple-prompt-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jaredwolff/simple-prompt-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaredwolff%2Fsimple-prompt-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaredwolff%2Fsimple-prompt-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 48cfde598f1debfbe895eb85e679154272536ede
[INFO] checking jaredwolff/simple-prompt-rs against master#75530e9f72a1990ed2305e16fd51d02f47048f12 for pr-138676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaredwolff%2Fsimple-prompt-rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jaredwolff/simple-prompt-rs on toolchain 75530e9f72a1990ed2305e16fd51d02f47048f12
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jaredwolff/simple-prompt-rs
[INFO] finished tweaking git repo https://github.com/jaredwolff/simple-prompt-rs
[INFO] tweaked toml for git repo https://github.com/jaredwolff/simple-prompt-rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jaredwolff/simple-prompt-rs 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" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b689753359e671cfbe7f6cd2ba5c3893397a10db1b6aa84a80ff7151085de42
[INFO] running `Command { std: "docker" "start" "-a" "2b689753359e671cfbe7f6cd2ba5c3893397a10db1b6aa84a80ff7151085de42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b689753359e671cfbe7f6cd2ba5c3893397a10db1b6aa84a80ff7151085de42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b689753359e671cfbe7f6cd2ba5c3893397a10db1b6aa84a80ff7151085de42", kill_on_drop: false }`
[INFO] [stdout] 2b689753359e671cfbe7f6cd2ba5c3893397a10db1b6aa84a80ff7151085de42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ac74d658da6ea511da9b8d855496b1790d6f02374a5e51a5c867e63d0552b7e
[INFO] running `Command { std: "docker" "start" "-a" "3ac74d658da6ea511da9b8d855496b1790d6f02374a5e51a5c867e63d0552b7e", kill_on_drop: false }`
[INFO] [stderr]     Checking simple-prompt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: can't compare `&str` with `Option<String>`
[INFO] [stdout]   --> src/lib.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     assert_eq!("I love cookies!", answer); // input
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no implementation for `&str == Option<String>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `PartialEq<Option<String>>` is not implemented for `&str`
[INFO] [stdout]    = help: the following other types implement trait `PartialEq<Rhs>`:
[INFO] [stdout]              `&str` implements `PartialEq<ByteStr>`
[INFO] [stdout]              `&str` implements `PartialEq<ByteString>`
[INFO] [stdout]              `&str` implements `PartialEq<Cow<'_, str>>`
[INFO] [stdout]              `&str` implements `PartialEq<OsString>`
[INFO] [stdout]              `&str` implements `PartialEq<String>`
[INFO] [stdout]              `str` implements `PartialEq<ByteStr>`
[INFO] [stdout]              `str` implements `PartialEq<ByteString>`
[INFO] [stdout]              `str` implements `PartialEq<Cow<'_, str>>`
[INFO] [stdout]            and 4 others
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simple-prompt` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "3ac74d658da6ea511da9b8d855496b1790d6f02374a5e51a5c867e63d0552b7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ac74d658da6ea511da9b8d855496b1790d6f02374a5e51a5c867e63d0552b7e", kill_on_drop: false }`
[INFO] [stdout] 3ac74d658da6ea511da9b8d855496b1790d6f02374a5e51a5c867e63d0552b7e