[INFO] cloning repository https://github.com/jonathanGB/rust-grep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonathanGB/rust-grep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjonathanGB%2Frust-grep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjonathanGB%2Frust-grep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 56b1c471a3a18d901deadd7338de67669d8568e6
[INFO] checking jonathanGB/rust-grep against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjonathanGB%2Frust-grep" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jonathanGB/rust-grep on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jonathanGB/rust-grep
[INFO] finished tweaking git repo https://github.com/jonathanGB/rust-grep
[INFO] tweaked toml for git repo https://github.com/jonathanGB/rust-grep written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/jonathanGB/rust-grep already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55406b54affc0d90eaeb15e7c50b0b478236f4d21c0122b678ffca6c8ca5bd04
[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" "55406b54affc0d90eaeb15e7c50b0b478236f4d21c0122b678ffca6c8ca5bd04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55406b54affc0d90eaeb15e7c50b0b478236f4d21c0122b678ffca6c8ca5bd04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55406b54affc0d90eaeb15e7c50b0b478236f4d21c0122b678ffca6c8ca5bd04", kill_on_drop: false }`
[INFO] [stdout] 55406b54affc0d90eaeb15e7c50b0b478236f4d21c0122b678ffca6c8ca5bd04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05db56c0bd22e6a20e6b14910f8b2e2f900d082cc81f6ff4842fb4a6b51a7426
[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" "05db56c0bd22e6a20e6b14910f8b2e2f900d082cc81f6ff4842fb4a6b51a7426", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.38
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex v1.1.6
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling structopt-derive v0.2.16
[INFO] [stderr]     Checking structopt v0.2.16
[INFO] [stderr]     Checking minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:88:51
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let config = Config::new(|| Config{query, filename, case_insensitive});
[INFO] [stdout]    |                                                   ^^^^^^^^ expected enum `Result`, found struct `String`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Result<Paths, PatternError>`
[INFO] [stdout]             found struct `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:98:51
[INFO] [stdout]    |
[INFO] [stdout] 98 |         let config = Config::new(|| Config{query, filename, case_insensitive});
[INFO] [stdout]    |                                                   ^^^^^^^^ expected enum `Result`, found struct `String`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Result<Paths, PatternError>`
[INFO] [stdout]             found struct `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `minigrep`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "05db56c0bd22e6a20e6b14910f8b2e2f900d082cc81f6ff4842fb4a6b51a7426", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05db56c0bd22e6a20e6b14910f8b2e2f900d082cc81f6ff4842fb4a6b51a7426", kill_on_drop: false }`
[INFO] [stdout] 05db56c0bd22e6a20e6b14910f8b2e2f900d082cc81f6ff4842fb4a6b51a7426