[INFO] cloning repository https://github.com/decentninja/roleplaying-dice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/decentninja/roleplaying-dice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdecentninja%2Froleplaying-dice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdecentninja%2Froleplaying-dice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 69d9a031eb75043b67382ad3fcc62b6f822889a9
[INFO] testing decentninja/roleplaying-dice against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdecentninja%2Froleplaying-dice" "/workspace/builds/worker-76/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-76/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/decentninja/roleplaying-dice on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/decentninja/roleplaying-dice
[INFO] finished tweaking git repo https://github.com/decentninja/roleplaying-dice
[INFO] tweaked toml for git repo https://github.com/decentninja/roleplaying-dice written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] crate git repo https://github.com/decentninja/roleplaying-dice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce5b6e9d083318c7245feaa449cadd2adabf1919be82f5f8fe98c21870766e32
[INFO] running `Command { std: "docker" "start" "-a" "ce5b6e9d083318c7245feaa449cadd2adabf1919be82f5f8fe98c21870766e32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce5b6e9d083318c7245feaa449cadd2adabf1919be82f5f8fe98c21870766e32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce5b6e9d083318c7245feaa449cadd2adabf1919be82f5f8fe98c21870766e32", kill_on_drop: false }`
[INFO] [stdout] ce5b6e9d083318c7245feaa449cadd2adabf1919be82f5f8fe98c21870766e32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2aa789a7ade39299a2a650b2b402545cc638228512f9f388b82006d9d6ca58eb
[INFO] running `Command { std: "docker" "start" "-a" "2aa789a7ade39299a2a650b2b402545cc638228512f9f388b82006d9d6ca58eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.34
[INFO] [stderr]    Compiling rand v0.4.1
[INFO] [stderr]    Compiling sharp-dice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0412]: cannot find type `NoneError` in module `std::option`
[INFO] [stdout]   --> src/main.rs:63:24
[INFO] [stdout]    |
[INFO] [stdout] 63 | impl From<std::option::NoneError> for CommandError {
[INFO] [stdout]    |                        ^^^^^^^^^ not found in `std::option`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `NoneError` in module `std::option`
[INFO] [stdout]   --> src/main.rs:64:29
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn from(_: std::option::NoneError) -> Self {
[INFO] [stdout]    |                             ^^^^^^^^^ not found in `std::option`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a function that returns `Result`
[INFO] [stdout]    --> src/main.rs:83:25
[INFO] [stdout]     |
[INFO] [stdout] 75  | / fn command(line: String, last: &str, rng: &mut rand::ThreadRng) -> Result<String, CommandError> {
[INFO] [stdout] 76  | |     let mut this = line.to_string();
[INFO] [stdout] 77  | |     let mut parts = line.split_whitespace();
[INFO] [stdout] 78  | |     let command = match parts.next() {
[INFO] [stdout] ...   |
[INFO] [stdout] 83  | |             parts.next()?
[INFO] [stdout]     | |                         ^ use `.ok_or(...)?` to provide an error compatible with `Result<String, CommandError>`
[INFO] [stdout] ...   |
[INFO] [stdout] 131 | |     Ok(this)
[INFO] [stdout] 132 | | }
[INFO] [stdout]     | |_- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `Result<String, CommandError>`
[INFO] [stdout]     = note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a function that returns `Result`
[INFO] [stdout]    --> src/main.rs:89:42
[INFO] [stdout]     |
[INFO] [stdout] 75  | / fn command(line: String, last: &str, rng: &mut rand::ThreadRng) -> Result<String, CommandError> {
[INFO] [stdout] 76  | |     let mut this = line.to_string();
[INFO] [stdout] 77  | |     let mut parts = line.split_whitespace();
[INFO] [stdout] 78  | |     let command = match parts.next() {
[INFO] [stdout] ...   |
[INFO] [stdout] 89  | |             let your_bonus = parts.next()?.parse::<i32>()?;
[INFO] [stdout]     | |                                          ^ use `.ok_or(...)?` to provide an error compatible with `Result<String, CommandError>`
[INFO] [stdout] ...   |
[INFO] [stdout] 131 | |     Ok(this)
[INFO] [stdout] 132 | | }
[INFO] [stdout]     | |_- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `Result<String, CommandError>`
[INFO] [stdout]     = note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a function that returns `Result`
[INFO] [stdout]    --> src/main.rs:90:43
[INFO] [stdout]     |
[INFO] [stdout] 75  | / fn command(line: String, last: &str, rng: &mut rand::ThreadRng) -> Result<String, CommandError> {
[INFO] [stdout] 76  | |     let mut this = line.to_string();
[INFO] [stdout] 77  | |     let mut parts = line.split_whitespace();
[INFO] [stdout] 78  | |     let command = match parts.next() {
[INFO] [stdout] ...   |
[INFO] [stdout] 90  | |             let enemy_bonus = parts.next()?.parse::<i32>()?;
[INFO] [stdout]     | |                                           ^ use `.ok_or(...)?` to provide an error compatible with `Result<String, CommandError>`
[INFO] [stdout] ...   |
[INFO] [stdout] 131 | |     Ok(this)
[INFO] [stdout] 132 | | }
[INFO] [stdout]     | |_- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `Result<String, CommandError>`
[INFO] [stdout]     = note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a function that returns `Result`
[INFO] [stdout]    --> src/main.rs:109:34
[INFO] [stdout]     |
[INFO] [stdout] 75  | / fn command(line: String, last: &str, rng: &mut rand::ThreadRng) -> Result<String, CommandError> {
[INFO] [stdout] 76  | |     let mut this = line.to_string();
[INFO] [stdout] 77  | |     let mut parts = line.split_whitespace();
[INFO] [stdout] 78  | |     let command = match parts.next() {
[INFO] [stdout] ...   |
[INFO] [stdout] 109 | |             let dc = parts.next()?.parse::<i32>()?;
[INFO] [stdout]     | |                                  ^ use `.ok_or(...)?` to provide an error compatible with `Result<String, CommandError>`
[INFO] [stdout] ...   |
[INFO] [stdout] 131 | |     Ok(this)
[INFO] [stdout] 132 | | }
[INFO] [stdout]     | |_- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `Result<String, CommandError>`
[INFO] [stdout]     = note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0412, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sharp-dice`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "2aa789a7ade39299a2a650b2b402545cc638228512f9f388b82006d9d6ca58eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2aa789a7ade39299a2a650b2b402545cc638228512f9f388b82006d9d6ca58eb", kill_on_drop: false }`
[INFO] [stdout] 2aa789a7ade39299a2a650b2b402545cc638228512f9f388b82006d9d6ca58eb
