[INFO] cloning repository https://github.com/brianarpie/rusty-titanic-survivors
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brianarpie/rusty-titanic-survivors" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrianarpie%2Frusty-titanic-survivors", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrianarpie%2Frusty-titanic-survivors'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a31ff2662b5c35aaf423d952f4050b838487478f
[INFO] checking brianarpie/rusty-titanic-survivors against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrianarpie%2Frusty-titanic-survivors" "/workspace/builds/worker-119/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-119/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brianarpie/rusty-titanic-survivors on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/brianarpie/rusty-titanic-survivors
[INFO] finished tweaking git repo https://github.com/brianarpie/rusty-titanic-survivors
[INFO] tweaked toml for git repo https://github.com/brianarpie/rusty-titanic-survivors written to /workspace/builds/worker-119/source/Cargo.toml
[INFO] crate git repo https://github.com/brianarpie/rusty-titanic-survivors already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9663365651d2aaca7bfa9665d30af0b317b6425d1b527cd8025a81e48074620
[INFO] running `Command { std: "docker" "start" "-a" "e9663365651d2aaca7bfa9665d30af0b317b6425d1b527cd8025a81e48074620", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9663365651d2aaca7bfa9665d30af0b317b6425d1b527cd8025a81e48074620", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9663365651d2aaca7bfa9665d30af0b317b6425d1b527cd8025a81e48074620", kill_on_drop: false }`
[INFO] [stdout] e9663365651d2aaca7bfa9665d30af0b317b6425d1b527cd8025a81e48074620
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0a22fbbf2abc08b58eee899878175be988552db7351607cd7c21126ea90cd8e
[INFO] running `Command { std: "docker" "start" "-a" "e0a22fbbf2abc08b58eee899878175be988552db7351607cd7c21126ea90cd8e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rusty-titanic-survivors v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:20:65
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Err(why) => panic!("failed to open {}: {}", display, Error::description(&why)),
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:28:63
[INFO] [stdout]    |
[INFO] [stdout] 28 |     Err(why) => panic!("failed to read to string: {}", Error::description(&why)),
[INFO] [stdout]    |                                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:20:65
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Err(why) => panic!("failed to open {}: {}", display, Error::description(&why)),
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:28:63
[INFO] [stdout]    |
[INFO] [stdout] 28 |     Err(why) => panic!("failed to read to string: {}", Error::description(&why)),
[INFO] [stdout]    |                                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.40s
[INFO] running `Command { std: "docker" "inspect" "e0a22fbbf2abc08b58eee899878175be988552db7351607cd7c21126ea90cd8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0a22fbbf2abc08b58eee899878175be988552db7351607cd7c21126ea90cd8e", kill_on_drop: false }`
[INFO] [stdout] e0a22fbbf2abc08b58eee899878175be988552db7351607cd7c21126ea90cd8e