[INFO] fetching crate bellande_probability 0.1.2...
[INFO] checking bellande_probability-0.1.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate bellande_probability 0.1.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate bellande_probability 0.1.2
[INFO] finished tweaking crates.io crate bellande_probability 0.1.2
[INFO] tweaked toml for crates.io crate bellande_probability 0.1.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate bellande_probability 0.1.2 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 174 packages to latest compatible versions
[INFO] [stderr]       Adding reqwest v0.11.27 (available: v0.12.24)
[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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b692cc21008cf4e4a91ffa7f089ceee24226158a770b8b442f4d3e2bb9a8c55d
[INFO] running `Command { std: "docker" "start" "-a" "b692cc21008cf4e4a91ffa7f089ceee24226158a770b8b442f4d3e2bb9a8c55d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b692cc21008cf4e4a91ffa7f089ceee24226158a770b8b442f4d3e2bb9a8c55d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b692cc21008cf4e4a91ffa7f089ceee24226158a770b8b442f4d3e2bb9a8c55d", kill_on_drop: false }`
[INFO] [stdout] b692cc21008cf4e4a91ffa7f089ceee24226158a770b8b442f4d3e2bb9a8c55d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c3fbe05ac9b2b027bada4b6d62acdbca3368d27bc188366835c6ef60ed68b5bc
[INFO] running `Command { std: "docker" "start" "-a" "c3fbe05ac9b2b027bada4b6d62acdbca3368d27bc188366835c6ef60ed68b5bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking bellande_probability v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `mu_func`, `sigma_func`, `x`, `dimensions`, and `full_auth` are never read
[INFO] [stdout]   --> src/bellande_probability.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct Opt {
[INFO] [stdout]    |        --- fields in this struct
[INFO] [stdout] 27 |     #[structopt(long, help = "mu function as string")]
[INFO] [stdout] 28 |     mu_func: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     sigma_func: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     x: String,
[INFO] [stdout]    |     ^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     dimensions: i32,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     full_auth: bool,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `mu_func`, `sigma_func`, `x`, `dimensions`, and `full_auth` are never read
[INFO] [stdout]   --> src/bellande_probability.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct Opt {
[INFO] [stdout]    |        --- fields in this struct
[INFO] [stdout] 27 |     #[structopt(long, help = "mu function as string")]
[INFO] [stdout] 28 |     mu_func: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     sigma_func: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     x: String,
[INFO] [stdout]    |     ^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     dimensions: i32,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     full_auth: bool,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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, Infallible>
[INFO] [stdout]   --> src/bellande_probability.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | /     #[structopt(long, help = "mu function as string")]
[INFO] [stdout] 28 | |     mu_func: 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, Infallible>
[INFO] [stdout]   --> src/bellande_probability.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | /     #[structopt(long, help = "sigma function as string")]
[INFO] [stdout] 31 | |     sigma_func: String,
[INFO] [stdout]    | |______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bellande_probability.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | /     #[structopt(long, help = "Input vector as JSON-formatted list")]
[INFO] [stdout] 34 | |     x: String,
[INFO] [stdout]    | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bellande_probability.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | /     #[structopt(long, help = "mu function as string")]
[INFO] [stdout] 28 | |     mu_func: 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, Infallible>
[INFO] [stdout]   --> src/bellande_probability.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | /     #[structopt(long, help = "sigma function as string")]
[INFO] [stdout] 31 | |     sigma_func: String,
[INFO] [stdout]    | |______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bellande_probability.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | /     #[structopt(long, help = "Input vector as JSON-formatted list")]
[INFO] [stdout] 34 | |     x: String,
[INFO] [stdout]    | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bellande_probability` (lib) due to 3 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `bellande_probability` (lib test) due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "c3fbe05ac9b2b027bada4b6d62acdbca3368d27bc188366835c6ef60ed68b5bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3fbe05ac9b2b027bada4b6d62acdbca3368d27bc188366835c6ef60ed68b5bc", kill_on_drop: false }`
[INFO] [stdout] c3fbe05ac9b2b027bada4b6d62acdbca3368d27bc188366835c6ef60ed68b5bc