[INFO] cloning repository https://github.com/cbrit/minigrep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cbrit/minigrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbrit%2Fminigrep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbrit%2Fminigrep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e91e288280c8c2c1dffa2f93f3f66213a4306355
[INFO] checking cbrit/minigrep against master#8424f8e8cdf07010967a57584fd647b30e930d4d for pr-120095
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbrit%2Fminigrep" "/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/cbrit/minigrep on toolchain 8424f8e8cdf07010967a57584fd647b30e930d4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cbrit/minigrep
[INFO] finished tweaking git repo https://github.com/cbrit/minigrep
[INFO] tweaked toml for git repo https://github.com/cbrit/minigrep written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cbrit/minigrep 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" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking cbrit/minigrep against try#047472f299946caf090d1b5608ae4bd9f0416256+rustflags=-Ddereferencing_mut_binding for pr-120095
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbrit%2Fminigrep" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cbrit/minigrep on toolchain 047472f299946caf090d1b5608ae4bd9f0416256
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cbrit/minigrep
[INFO] finished tweaking git repo https://github.com/cbrit/minigrep
[INFO] tweaked toml for git repo https://github.com/cbrit/minigrep written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/cbrit/minigrep 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" "+047472f299946caf090d1b5608ae4bd9f0416256" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ed96abe33248f9cfab6b0a113351741574c1d8bee87d66b3c320ac28cd5953f
[INFO] running `Command { std: "docker" "start" "-a" "2ed96abe33248f9cfab6b0a113351741574c1d8bee87d66b3c320ac28cd5953f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ed96abe33248f9cfab6b0a113351741574c1d8bee87d66b3c320ac28cd5953f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ed96abe33248f9cfab6b0a113351741574c1d8bee87d66b3c320ac28cd5953f", kill_on_drop: false }`
[INFO] [stdout] 2ed96abe33248f9cfab6b0a113351741574c1d8bee87d66b3c320ac28cd5953f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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 -Ddereferencing_mut_binding" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf5b1148d990b4a38438712ae0a2503aaa73c7550a9fc74abe2de4edd9e1c065
[INFO] running `Command { std: "docker" "start" "-a" "bf5b1148d990b4a38438712ae0a2503aaa73c7550a9fc74abe2de4edd9e1c065", kill_on_drop: false }`
[INFO] [stderr]     Checking minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:77:29
[INFO] [stdout]    |
[INFO] [stdout] 77 |         assert!(Config::new(&empty).is_err());
[INFO] [stdout]    |                 ----------- ^^^^^^ expected `Args`, found `&Vec<String>`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Args`
[INFO] [stdout]            found reference `&Vec<String>`
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]   --> src/lib.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new(mut args: env::Args) -> Result<Config, &'static str> {
[INFO] [stdout]    |            ^^^ -------------------
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing field `case_sensitive` in initializer of `Config`
[INFO] [stdout]   --> src/lib.rs:83:27
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let expected = Ok(Config { query: String::from("query"), filename: String::from("filename") });
[INFO] [stdout]    |                           ^^^^^^ missing `case_sensitive`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:84:34
[INFO] [stdout]    |
[INFO] [stdout] 84 |         let actual = Config::new(args);
[INFO] [stdout]    |                      ----------- ^^^^ expected `Args`, found `&[String; 3]`
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Args`
[INFO] [stdout]            found reference `&[String; 3]`
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]   --> src/lib.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new(mut args: env::Args) -> Result<Config, &'static str> {
[INFO] [stdout]    |            ^^^ -------------------
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0063, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0063`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `minigrep` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "bf5b1148d990b4a38438712ae0a2503aaa73c7550a9fc74abe2de4edd9e1c065", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf5b1148d990b4a38438712ae0a2503aaa73c7550a9fc74abe2de4edd9e1c065", kill_on_drop: false }`
[INFO] [stdout] bf5b1148d990b4a38438712ae0a2503aaa73c7550a9fc74abe2de4edd9e1c065