[INFO] fetching crate rags-rs 0.1.4...
[INFO] testing rags-rs-0.1.4 against 1.47.0 for beta-1.48-1
[INFO] extracting crate rags-rs 0.1.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rags-rs 0.1.4 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rags-rs 0.1.4
[INFO] finished tweaking crates.io crate rags-rs 0.1.4
[INFO] tweaked toml for crates.io crate rags-rs 0.1.4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate rags-rs 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4b3ab87d26a9e891aed0d3dc4b1995baaa67a34199c57818631151019d6f4784
[INFO] running `Command { std: "docker" "start" "-a" "4b3ab87d26a9e891aed0d3dc4b1995baaa67a34199c57818631151019d6f4784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b3ab87d26a9e891aed0d3dc4b1995baaa67a34199c57818631151019d6f4784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b3ab87d26a9e891aed0d3dc4b1995baaa67a34199c57818631151019d6f4784", kill_on_drop: false }`
[INFO] [stdout] 4b3ab87d26a9e891aed0d3dc4b1995baaa67a34199c57818631151019d6f4784
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a21335e42df0cb0b01ed62bb3129df4cea4e593aada076839e39267b7733a3bc
[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" "a21335e42df0cb0b01ed62bb3129df4cea4e593aada076839e39267b7733a3bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]    Compiling rags-rs v0.1.4 (/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/errors.rs:76:42
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 write!(f, "{}: {}", self.description(), desc)
[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/errors.rs:79:45
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 write!(f, "{}: {} {}", self.description(), arg_string(*short, long, false), desc)
[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/errors.rs:82:45
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 write!(f, "{} for {}", self.description(), arg_string(*short, long, false))
[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/errors.rs:85:49
[INFO] [stdout]    |
[INFO] [stdout] 85 |                 write!(f, "{} for {}: {}", self.description(),
[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/errors.rs:89:49
[INFO] [stdout]    |
[INFO] [stdout] 89 |                 write!(f, "{} for {}: {}", self.description(), name, err)
[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/errors.rs:92:49
[INFO] [stdout]    |
[INFO] [stdout] 92 |                 write!(f, "{} for {}: {}", self.description(), name, err)
[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/errors.rs:95:55
[INFO] [stdout]    |
[INFO] [stdout] 95 |                 write!(f, "{}: {} is within {}", self.description(), short, run)
[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/errors.rs:100:53
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 write!(f, "{} ({} within {})", self.description(), attempt, orig)
[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/errors.rs:103:42
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 write!(f, "{}: {}", self.description(), name)
[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/errors.rs:107:42
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 write!(f, "{}: {}", self.description(), a)
[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/errors.rs:110:42
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 write!(f, "{}: {}", self.description(), a)
[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/errors.rs:113:42
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 write!(f, "{}: {}", self.description(), p)
[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/errors.rs:116:42
[INFO] [stdout]     |
[INFO] [stdout] 116 |                 write!(f, "{}: {}", self.description(), p)
[INFO] [stdout]     |                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.65s
[INFO] running `Command { std: "docker" "inspect" "a21335e42df0cb0b01ed62bb3129df4cea4e593aada076839e39267b7733a3bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a21335e42df0cb0b01ed62bb3129df4cea4e593aada076839e39267b7733a3bc", kill_on_drop: false }`
[INFO] [stdout] a21335e42df0cb0b01ed62bb3129df4cea4e593aada076839e39267b7733a3bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99d31f8ec4d3c41d29efab768d69ab8728ccefebeb49e7f421e526d980526e25
[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" "99d31f8ec4d3c41d29efab768d69ab8728ccefebeb49e7f421e526d980526e25", kill_on_drop: false }`
[INFO] [stderr]    Compiling rags-rs v0.1.4 (/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/errors.rs:76:42
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 write!(f, "{}: {}", self.description(), desc)
[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/errors.rs:79:45
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 write!(f, "{}: {} {}", self.description(), arg_string(*short, long, false), desc)
[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/errors.rs:82:45
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 write!(f, "{} for {}", self.description(), arg_string(*short, long, false))
[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/errors.rs:85:49
[INFO] [stdout]    |
[INFO] [stdout] 85 |                 write!(f, "{} for {}: {}", self.description(),
[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/errors.rs:89:49
[INFO] [stdout]    |
[INFO] [stdout] 89 |                 write!(f, "{} for {}: {}", self.description(), name, err)
[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/errors.rs:92:49
[INFO] [stdout]    |
[INFO] [stdout] 92 |                 write!(f, "{} for {}: {}", self.description(), name, err)
[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/errors.rs:95:55
[INFO] [stdout]    |
[INFO] [stdout] 95 |                 write!(f, "{}: {} is within {}", self.description(), short, run)
[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/errors.rs:100:53
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 write!(f, "{} ({} within {})", self.description(), attempt, orig)
[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/errors.rs:103:42
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 write!(f, "{}: {}", self.description(), name)
[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/errors.rs:107:42
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 write!(f, "{}: {}", self.description(), a)
[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/errors.rs:110:42
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 write!(f, "{}: {}", self.description(), a)
[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/errors.rs:113:42
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 write!(f, "{}: {}", self.description(), p)
[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/errors.rs:116:42
[INFO] [stdout]     |
[INFO] [stdout] 116 |                 write!(f, "{}: {}", self.description(), p)
[INFO] [stdout]     |                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[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/errors.rs:76:42
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 write!(f, "{}: {}", self.description(), desc)
[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/errors.rs:79:45
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 write!(f, "{}: {} {}", self.description(), arg_string(*short, long, false), desc)
[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/errors.rs:82:45
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 write!(f, "{} for {}", self.description(), arg_string(*short, long, false))
[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/errors.rs:85:49
[INFO] [stdout]    |
[INFO] [stdout] 85 |                 write!(f, "{} for {}: {}", self.description(),
[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/errors.rs:89:49
[INFO] [stdout]    |
[INFO] [stdout] 89 |                 write!(f, "{} for {}: {}", self.description(), name, err)
[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/errors.rs:92:49
[INFO] [stdout]    |
[INFO] [stdout] 92 |                 write!(f, "{} for {}: {}", self.description(), name, err)
[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/errors.rs:95:55
[INFO] [stdout]    |
[INFO] [stdout] 95 |                 write!(f, "{}: {} is within {}", self.description(), short, run)
[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/errors.rs:100:53
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 write!(f, "{} ({} within {})", self.description(), attempt, orig)
[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/errors.rs:103:42
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 write!(f, "{}: {}", self.description(), name)
[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/errors.rs:107:42
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 write!(f, "{}: {}", self.description(), a)
[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/errors.rs:110:42
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 write!(f, "{}: {}", self.description(), a)
[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/errors.rs:113:42
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 write!(f, "{}: {}", self.description(), p)
[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/errors.rs:116:42
[INFO] [stdout]     |
[INFO] [stdout] 116 |                 write!(f, "{}: {}", self.description(), p)
[INFO] [stdout]     |                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.77s
[INFO] running `Command { std: "docker" "inspect" "99d31f8ec4d3c41d29efab768d69ab8728ccefebeb49e7f421e526d980526e25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99d31f8ec4d3c41d29efab768d69ab8728ccefebeb49e7f421e526d980526e25", kill_on_drop: false }`
[INFO] [stdout] 99d31f8ec4d3c41d29efab768d69ab8728ccefebeb49e7f421e526d980526e25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a720db691c92d0ada0cc2556a4e32ee6b808282fbbdf9f449752331b0d6706c4
[INFO] running `Command { std: "docker" "start" "-a" "a720db691c92d0ada0cc2556a4e32ee6b808282fbbdf9f449752331b0d6706c4", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:76:42
[INFO] [stderr]    |
[INFO] [stderr] 76 |                 write!(f, "{}: {}", self.description(), desc)
[INFO] [stderr]    |                                          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:79:45
[INFO] [stderr]    |
[INFO] [stderr] 79 |                 write!(f, "{}: {} {}", self.description(), arg_string(*short, long, false), desc)
[INFO] [stderr]    |                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:82:45
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 write!(f, "{} for {}", self.description(), arg_string(*short, long, false))
[INFO] [stderr]    |                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:85:49
[INFO] [stderr]    |
[INFO] [stderr] 85 |                 write!(f, "{} for {}: {}", self.description(),
[INFO] [stderr]    |                                                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:89:49
[INFO] [stderr]    |
[INFO] [stderr] 89 |                 write!(f, "{} for {}: {}", self.description(), name, err)
[INFO] [stderr]    |                                                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:92:49
[INFO] [stderr]    |
[INFO] [stderr] 92 |                 write!(f, "{} for {}: {}", self.description(), name, err)
[INFO] [stderr]    |                                                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:95:55
[INFO] [stderr]    |
[INFO] [stderr] 95 |                 write!(f, "{}: {} is within {}", self.description(), short, run)
[INFO] [stderr]    |                                                       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/errors.rs:100:53
[INFO] [stderr]     |
[INFO] [stderr] 100 |                 write!(f, "{} ({} within {})", self.description(), attempt, orig)
[INFO] [stderr]     |                                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/errors.rs:103:42
[INFO] [stderr]     |
[INFO] [stderr] 103 |                 write!(f, "{}: {}", self.description(), name)
[INFO] [stderr]     |                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/errors.rs:107:42
[INFO] [stderr]     |
[INFO] [stderr] 107 |                 write!(f, "{}: {}", self.description(), a)
[INFO] [stderr]     |                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/errors.rs:110:42
[INFO] [stderr]     |
[INFO] [stderr] 110 |                 write!(f, "{}: {}", self.description(), a)
[INFO] [stderr]     |                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/errors.rs:113:42
[INFO] [stderr]     |
[INFO] [stderr] 113 |                 write!(f, "{}: {}", self.description(), p)
[INFO] [stderr]     |                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/errors.rs:116:42
[INFO] [stderr]     |
[INFO] [stderr] 116 |                 write!(f, "{}: {}", self.description(), p)
[INFO] [stderr]     |                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:76:42
[INFO] [stderr]    |
[INFO] [stderr] 76 |                 write!(f, "{}: {}", self.description(), desc)
[INFO] [stderr]    |                                          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:79:45
[INFO] [stderr]    |
[INFO] [stderr] 79 |                 write!(f, "{}: {} {}", self.description(), arg_string(*short, long, false), desc)
[INFO] [stderr]    |                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:82:45
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 write!(f, "{} for {}", self.description(), arg_string(*short, long, false))
[INFO] [stderr]    |                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:85:49
[INFO] [stderr]    |
[INFO] [stderr] 85 |                 write!(f, "{} for {}: {}", self.description(),
[INFO] [stderr]    |                                                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:89:49
[INFO] [stderr]    |
[INFO] [stderr] 89 |                 write!(f, "{} for {}: {}", self.description(), name, err)
[INFO] [stderr]    |                                                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:92:49
[INFO] [stderr]    |
[INFO] [stderr] 92 |                 write!(f, "{} for {}: {}", self.description(), name, err)
[INFO] [stderr]    |                                                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:95:55
[INFO] [stderr]    |
[INFO] [stderr] 95 |                 write!(f, "{}: {} is within {}", self.description(), short, run)
[INFO] [stderr]    |                                                       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/errors.rs:100:53
[INFO] [stderr]     |
[INFO] [stderr] 100 |                 write!(f, "{} ({} within {})", self.description(), attempt, orig)
[INFO] [stderr]     |                                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/errors.rs:103:42
[INFO] [stderr]     |
[INFO] [stderr] 103 |                 write!(f, "{}: {}", self.description(), name)
[INFO] [stderr]     |                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/errors.rs:107:42
[INFO] [stderr]     |
[INFO] [stderr] 107 |                 write!(f, "{}: {}", self.description(), a)
[INFO] [stderr]     |                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/errors.rs:110:42
[INFO] [stderr]     |
[INFO] [stderr] 110 |                 write!(f, "{}: {}", self.description(), a)
[INFO] [stderr]     |                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/errors.rs:113:42
[INFO] [stderr]     |
[INFO] [stderr] 113 |                 write!(f, "{}: {}", self.description(), p)
[INFO] [stderr]     |                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/errors.rs:116:42
[INFO] [stderr]     |
[INFO] [stderr] 116 |                 write!(f, "{}: {}", self.description(), p)
[INFO] [stderr]     |                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rags_rs-e26c8069c654ae57
[INFO] [stdout] 
[INFO] [stdout] running 49 tests
[INFO] [stdout] test handle_args::as_args_iter ... ok
[INFO] [stdout] test test_args::args::runs_at_end ... ok
[INFO] [stdout] test test_args::args::runs_must_be_at_end ... ok
[INFO] [stdout] test test_args::args::basic ... ok
[INFO] [stdout] test handle_args::as_string_vec ... ok
[INFO] [stdout] test test_count::count::i16_stepped ... ok
[INFO] [stdout] test test_count::count::i64 ... ok
[INFO] [stdout] test test_count::count::i64_stepped ... ok
[INFO] [stdout] test test_count::count::f32 ... ok
[INFO] [stdout] test test_count::count::f64 ... ok
[INFO] [stdout] test test_count::count::i32 ... ok
[INFO] [stdout] test test_args::args::with_eq ... ok
[INFO] [stdout] test test_count::count::i32_stepped ... ok
[INFO] [stdout] test test_count::count::i8 ... ok
[INFO] [stdout] test test_count::count::f32_stepped ... ok
[INFO] [stdout] test test_count::count::f64_stepped ... ok
[INFO] [stdout] test test_count::count::runs ... ok
[INFO] [stdout] test test_count::count::i8_stepped ... ok
[INFO] [stdout] test test_count::count::isize_stepped ... ok
[INFO] [stdout] test test_count::count::isize ... ok
[INFO] [stdout] test test_count::count::runs_interleaved ... ok
[INFO] [stdout] test test_count::count::u16 ... ok
[INFO] [stdout] test test_count::count::u16_stepped ... ok
[INFO] [stdout] test test_count::count::u64_stepped ... ok
[INFO] [stdout] test test_count::count::u32_stepped ... ok
[INFO] [stdout] test test_count::count::usize_stepped ... ok
[INFO] [stdout] test test_count::count::u64 ... ok
[INFO] [stdout] test test_count::count::i16 ... ok
[INFO] [stdout] test test_count::count::u32 ... ok
[INFO] [stdout] test test_flags::flags::basic ... ok
[INFO] [stdout] test test_count::count::usize ... ok
[INFO] [stdout] test test_count::count::u8 ... ok
[INFO] [stdout] test test_positionals::lists::collects_after_argstop ... ok
[INFO] [stdout] test test_positionals::lists::variadic ... ok
[INFO] [stdout] test test_subcmds::subcmds::hygiene ... ok
[INFO] [stdout] test test_unused::unused::unknown_arg ... ok
[INFO] [stdout] test test_positionals::named::basic ... ok
[INFO] [stdout] test test_flags::flags::inverted ... ok
[INFO] [stdout] test test_lists::lists::inline_eq ... ok
[INFO] [stdout] test test_positionals::named::missing ... ok
[INFO] [stdout] test test_lists::lists::runs_at_end ... ok
[INFO] [stdout] test test_flags::flags::within_run ... ok
[INFO] [stdout] test test_positionals::lists::multi_variadic ... ok
[INFO] [stdout] test test_positionals::named::interleaved ... ok
[INFO] [stdout] test test_unused::unused::unhandled_positional ... ok
[INFO] [stdout] test test_lists::lists::basic ... ok
[INFO] [stdout] test test_subcmds::subcmds::basic ... ok
[INFO] [stdout] test test_lists::lists::runs_must_be_at_end ... ok
[INFO] [stdout] test test_count::count::u8_stepped ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 49 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rags-rs
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 128) ... ignored
[INFO] [stdout] test src/lib.rs - (line 157) ... ignored
[INFO] [stdout] test src/lib.rs - (line 37) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a720db691c92d0ada0cc2556a4e32ee6b808282fbbdf9f449752331b0d6706c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a720db691c92d0ada0cc2556a4e32ee6b808282fbbdf9f449752331b0d6706c4", kill_on_drop: false }`
[INFO] [stdout] a720db691c92d0ada0cc2556a4e32ee6b808282fbbdf9f449752331b0d6706c4
