[INFO] cloning repository https://github.com/oraclerob/fzvoid
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oraclerob/fzvoid" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foraclerob%2Ffzvoid", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foraclerob%2Ffzvoid'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7f54e233c1351576b990a34b9a1172d56a678063
[INFO] checking oraclerob/fzvoid against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foraclerob%2Ffzvoid" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/oraclerob/fzvoid
[INFO] finished tweaking git repo https://github.com/oraclerob/fzvoid
[INFO] tweaked toml for git repo https://github.com/oraclerob/fzvoid written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/oraclerob/fzvoid 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 git repo https://github.com/oraclerob/fzvoid 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 35e84c312caec0fc744787ba315c244d6c1cec5b1e08fa5149dd17bab44d13c2
[INFO] running `Command { std: "docker" "start" "-a" "35e84c312caec0fc744787ba315c244d6c1cec5b1e08fa5149dd17bab44d13c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35e84c312caec0fc744787ba315c244d6c1cec5b1e08fa5149dd17bab44d13c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35e84c312caec0fc744787ba315c244d6c1cec5b1e08fa5149dd17bab44d13c2", kill_on_drop: false }`
[INFO] [stdout] 35e84c312caec0fc744787ba315c244d6c1cec5b1e08fa5149dd17bab44d13c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 224a846db2e7f78730889d44ec1cb38ac26124bacba862b2deed06e34017fda8
[INFO] running `Command { std: "docker" "start" "-a" "224a846db2e7f78730889d44ec1cb38ac26124bacba862b2deed06e34017fda8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling libc v0.2.116
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]     Checking futures-sink v0.3.19
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking futures-io v0.3.19
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]     Checking http v0.2.6
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]    Compiling encoding_rs v0.8.30
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling clap_derive v3.0.12
[INFO] [stderr]     Checking tokio v1.16.1
[INFO] [stderr]     Checking clap v3.0.13
[INFO] [stderr]     Checking futures-executor v0.3.19
[INFO] [stderr]     Checking futures v0.3.19
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.11
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking hyper v0.14.16
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.9
[INFO] [stderr]     Checking fzvoid v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `StrError` is never constructed
[INFO] [stdout]   --> src/main.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct StrError<'a>(&'a str);
[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, Infallible>
[INFO] [stdout]   --> src/main.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | /     /// The Fat Zebra merchant username
[INFO] [stdout] 33 | |     #[clap(short, long)]
[INFO] [stdout] 34 | |     username: 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/main.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | /     /// The API Token
[INFO] [stdout] 36 | |     #[clap(short, long)]
[INFO] [stdout] 37 | |     token: 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/main.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | /     /// The purchase reference
[INFO] [stdout] 39 | |     #[clap(short, long)]
[INFO] [stdout] 40 | |     reference: Option<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/main.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | /     /// The upload filename
[INFO] [stdout] 42 | |     #[clap(short, long)]
[INFO] [stdout] 43 | |     filename: Option<String>,
[INFO] [stdout]    | |____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fzvoid` (bin "fzvoid") due to 4 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: struct `StrError` is never constructed
[INFO] [stdout]   --> src/main.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct StrError<'a>(&'a str);
[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, Infallible>
[INFO] [stdout]   --> src/main.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | /     /// The Fat Zebra merchant username
[INFO] [stdout] 33 | |     #[clap(short, long)]
[INFO] [stdout] 34 | |     username: 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/main.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | /     /// The API Token
[INFO] [stdout] 36 | |     #[clap(short, long)]
[INFO] [stdout] 37 | |     token: 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/main.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | /     /// The purchase reference
[INFO] [stdout] 39 | |     #[clap(short, long)]
[INFO] [stdout] 40 | |     reference: Option<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/main.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | /     /// The upload filename
[INFO] [stdout] 42 | |     #[clap(short, long)]
[INFO] [stdout] 43 | |     filename: Option<String>,
[INFO] [stdout]    | |____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fzvoid` (bin "fzvoid" test) due to 4 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "224a846db2e7f78730889d44ec1cb38ac26124bacba862b2deed06e34017fda8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "224a846db2e7f78730889d44ec1cb38ac26124bacba862b2deed06e34017fda8", kill_on_drop: false }`
[INFO] [stdout] 224a846db2e7f78730889d44ec1cb38ac26124bacba862b2deed06e34017fda8
