[INFO] fetching crate captain 0.1.0-alpha.0...
[INFO] checking captain-0.1.0-alpha.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate captain 0.1.0-alpha.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate captain 0.1.0-alpha.0
[INFO] finished tweaking crates.io crate captain 0.1.0-alpha.0
[INFO] tweaked toml for crates.io crate captain 0.1.0-alpha.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate captain 0.1.0-alpha.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate captain 0.1.0-alpha.0 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5bbc68bb8f0601bcfb9f85441a1bea543d94a4da0c1d9076bc9b1093d6d9d59b
[INFO] running `Command { std: "docker" "start" "-a" "5bbc68bb8f0601bcfb9f85441a1bea543d94a4da0c1d9076bc9b1093d6d9d59b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5bbc68bb8f0601bcfb9f85441a1bea543d94a4da0c1d9076bc9b1093d6d9d59b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bbc68bb8f0601bcfb9f85441a1bea543d94a4da0c1d9076bc9b1093d6d9d59b", kill_on_drop: false }`
[INFO] [stdout] 5bbc68bb8f0601bcfb9f85441a1bea543d94a4da0c1d9076bc9b1093d6d9d59b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68ef34693d54a3081d19752c6015d219b1312ec6d78492d7e88310fb182450ec
[INFO] running `Command { std: "docker" "start" "-a" "68ef34693d54a3081d19752c6015d219b1312ec6d78492d7e88310fb182450ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
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[INFO] [stderr]    Compiling borsh-schema-derive-internal v0.8.2
[INFO] [stderr]    Compiling darling_core v0.13.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
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[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking thiserror v1.0.25
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking curve25519-dalek v2.1.2
[INFO] [stderr]     Checking webpki v0.21.4
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[INFO] [stderr]    Compiling darling_macro v0.13.0
[INFO] [stderr]    Compiling darling v0.13.0
[INFO] [stderr]    Compiling serde_with_macros v1.4.2
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[INFO] [stderr]     Checking crypto-mac v0.10.0
[INFO] [stderr]     Checking crypto-mac v0.9.1
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]     Checking pbkdf2 v0.6.0
[INFO] [stderr]     Checking curve25519-dalek v3.1.0
[INFO] [stderr]     Checking hmac v0.10.1
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[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]    Compiling borsh-derive v0.8.2
[INFO] [stderr]     Checking cargo_toml v0.9.2
[INFO] [stderr]     Checking hyper-rustls v0.22.1
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[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking ed25519-dalek-bip32 v0.1.1
[INFO] [stderr]     Checking solana-crate-features v1.7.1
[INFO] [stderr]     Checking captain v0.1.0-alpha.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]   --> src/workspace.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Workspace {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub config: Config,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, std::convert::Infallible>
[INFO] [stdout]   --> src/main.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 | /         #[clap(short, long)]
[INFO] [stdout] 39 | |         #[clap(about = "Name of the program in target/deploy/<id>.so")]
[INFO] [stdout] 40 | |         program: String,
[INFO] [stdout]    | |_______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, std::convert::Infallible>
[INFO] [stdout]   --> src/main.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 | /         #[clap(short, long)]
[INFO] [stdout] 54 | |         #[clap(about = "Name of the program in target/deploy/<id>.so")]
[INFO] [stdout] 55 | |         program: String,
[INFO] [stdout]    | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<std::convert::Infallible, std::convert::Infallible>, PathBuf>
[INFO] [stdout]    --> src/config.rs:190:24
[INFO] [stdout]     |
[INFO] [stdout] 190 |           Ok(CaptainPath(PathBuf::from_str(
[INFO] [stdout]     |  ________________________^
[INFO] [stdout] 191 | |             shellexpand::tilde(s).to_string().as_str(),
[INFO] [stdout] 192 | |         )?))
[INFO] [stdout]     | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, std::convert::Infallible>
[INFO] [stdout]    --> src/config.rs:190:24
[INFO] [stdout]     |
[INFO] [stdout] 190 |           Ok(CaptainPath(PathBuf::from_str(
[INFO] [stdout]     |  ________________________^
[INFO] [stdout] 191 | |             shellexpand::tilde(s).to_string().as_str(),
[INFO] [stdout] 192 | |         )?))
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `captain` (bin "captain" test) due to 4 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]   --> src/workspace.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Workspace {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub config: Config,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, std::convert::Infallible>
[INFO] [stdout]   --> src/main.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 | /         #[clap(short, long)]
[INFO] [stdout] 39 | |         #[clap(about = "Name of the program in target/deploy/<id>.so")]
[INFO] [stdout] 40 | |         program: String,
[INFO] [stdout]    | |_______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, std::convert::Infallible>
[INFO] [stdout]   --> src/main.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 | /         #[clap(short, long)]
[INFO] [stdout] 54 | |         #[clap(about = "Name of the program in target/deploy/<id>.so")]
[INFO] [stdout] 55 | |         program: String,
[INFO] [stdout]    | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<std::convert::Infallible, std::convert::Infallible>, PathBuf>
[INFO] [stdout]    --> src/config.rs:190:24
[INFO] [stdout]     |
[INFO] [stdout] 190 |           Ok(CaptainPath(PathBuf::from_str(
[INFO] [stdout]     |  ________________________^
[INFO] [stdout] 191 | |             shellexpand::tilde(s).to_string().as_str(),
[INFO] [stdout] 192 | |         )?))
[INFO] [stdout]     | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, std::convert::Infallible>
[INFO] [stdout]    --> src/config.rs:190:24
[INFO] [stdout]     |
[INFO] [stdout] 190 |           Ok(CaptainPath(PathBuf::from_str(
[INFO] [stdout]     |  ________________________^
[INFO] [stdout] 191 | |             shellexpand::tilde(s).to_string().as_str(),
[INFO] [stdout] 192 | |         )?))
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `captain` (bin "captain") due to 4 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "68ef34693d54a3081d19752c6015d219b1312ec6d78492d7e88310fb182450ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68ef34693d54a3081d19752c6015d219b1312ec6d78492d7e88310fb182450ec", kill_on_drop: false }`
[INFO] [stdout] 68ef34693d54a3081d19752c6015d219b1312ec6d78492d7e88310fb182450ec
