[INFO] cloning repository https://github.com/astherath/turbogrep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/astherath/turbogrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fastherath%2Fturbogrep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fastherath%2Fturbogrep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c12dbb3563d51979d4a229ccbc6928fbe3c4e497
[INFO] testing astherath/turbogrep against 1.69.0 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fastherath%2Fturbogrep" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/astherath/turbogrep on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/astherath/turbogrep
[INFO] finished tweaking git repo https://github.com/astherath/turbogrep
[INFO] tweaked toml for git repo https://github.com/astherath/turbogrep written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/astherath/turbogrep 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" "+1.69.0" "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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2338b6b45a1e871c40fb72781c4e5e50c2c3059f4a65f03dfc2a371d05fb601f
[INFO] running `Command { std: "docker" "start" "-a" "2338b6b45a1e871c40fb72781c4e5e50c2c3059f4a65f03dfc2a371d05fb601f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2338b6b45a1e871c40fb72781c4e5e50c2c3059f4a65f03dfc2a371d05fb601f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2338b6b45a1e871c40fb72781c4e5e50c2c3059f4a65f03dfc2a371d05fb601f", kill_on_drop: false }`
[INFO] [stdout] 2338b6b45a1e871c40fb72781c4e5e50c2c3059f4a65f03dfc2a371d05fb601f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a50fdd1660e2952758963cf646cc5bd1b64eb5eb56bc740fadbdc7e33c70132
[INFO] running `Command { std: "docker" "start" "-a" "5a50fdd1660e2952758963cf646cc5bd1b64eb5eb56bc740fadbdc7e33c70132", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling turbogrep v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: `Option<String>` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/file_changes.rs:17:41
[INFO] [stdout]    |
[INFO] [stdout] 17 |             new: user_input.replacement.to_string(),
[INFO] [stdout]    |                                         ^^^^^^^^^ `Option<String>` cannot be formatted with the default formatter
[INFO] [stdout]   --> /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/option.rs:563:1
[INFO] [stdout]    |
[INFO] [stdout]    = note: doesn't satisfy `Option<String>: ToString`
[INFO] [stdout]    |
[INFO] [stdout]    = note: doesn't satisfy `Option<String>: std::fmt::Display`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `Option<String>: std::fmt::Display`
[INFO] [stdout]            which is required by `Option<String>: ToString`
[INFO] [stdout] note: the method `to_string` exists on the type `String`
[INFO] [stdout]   --> /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/string.rs:2511:5
[INFO] [stdout] help: consider using `Option::expect` to unwrap the `String` value, panicking if the value is an `Option::None`
[INFO] [stdout]    |
[INFO] [stdout] 17 |             new: user_input.replacement.expect("REASON").to_string(),
[INFO] [stdout]    |                                        +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `turbogrep` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "5a50fdd1660e2952758963cf646cc5bd1b64eb5eb56bc740fadbdc7e33c70132", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a50fdd1660e2952758963cf646cc5bd1b64eb5eb56bc740fadbdc7e33c70132", kill_on_drop: false }`
[INFO] [stdout] 5a50fdd1660e2952758963cf646cc5bd1b64eb5eb56bc740fadbdc7e33c70132
