[INFO] fetching crate cargo_atelier 0.2.7...
[INFO] checking cargo_atelier-0.2.7 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate cargo_atelier 0.2.7 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate cargo_atelier 0.2.7
[INFO] finished tweaking crates.io crate cargo_atelier 0.2.7
[INFO] tweaked toml for crates.io crate cargo_atelier 0.2.7 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cargo_atelier 0.2.7 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 cargo_atelier 0.2.7 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e570a9fffa13e5cc0174a1c1a6ac6dd7f64e90215a6410d68ac04e1b4943ceef
[INFO] running `Command { std: "docker" "start" "-a" "e570a9fffa13e5cc0174a1c1a6ac6dd7f64e90215a6410d68ac04e1b4943ceef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e570a9fffa13e5cc0174a1c1a6ac6dd7f64e90215a6410d68ac04e1b4943ceef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e570a9fffa13e5cc0174a1c1a6ac6dd7f64e90215a6410d68ac04e1b4943ceef", kill_on_drop: false }`
[INFO] [stdout] e570a9fffa13e5cc0174a1c1a6ac6dd7f64e90215a6410d68ac04e1b4943ceef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] da602c4a71b3776a7c5d1dfae5cff8db7b14c03a020288858dc1b6e34e9487d3
[INFO] running `Command { std: "docker" "start" "-a" "da602c4a71b3776a7c5d1dfae5cff8db7b14c03a020288858dc1b6e34e9487d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]     Checking unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking heck v0.3.3
[INFO] [stderr]     Checking escape_string v0.1.1
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking ascii_tree v0.1.1
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking pretty_assertions v0.7.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking blob-uuid v0.4.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking addr2line v0.15.2
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking atelier_core v0.2.22
[INFO] [stderr]     Checking atelier_core v0.1.4
[INFO] [stderr]     Checking pest_ascii_tree v0.1.0
[INFO] [stderr]     Checking atelier_openapi v0.1.0
[INFO] [stderr]     Checking structopt v0.3.22
[INFO] [stderr]     Checking atelier_test v0.1.4
[INFO] [stderr]     Checking atelier_smithy v0.2.13
[INFO] [stderr]     Checking atelier_json v0.2.7
[INFO] [stderr]     Checking somedoc v0.2.10
[INFO] [stderr]     Checking atelier_assembler v0.1.4
[INFO] [stderr]     Checking atelier_describe v0.1.10
[INFO] [stderr]     Checking atelier_lib v0.2.5
[INFO] [stderr]     Checking cargo_atelier v0.2.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `verbose` is never read
[INFO] [stdout]   --> src/command_line.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct CommandLine {
[INFO] [stdout]    |        ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     verbose: i8,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CommandLine` 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<PathBuf, Infallible>
[INFO] [stdout]   --> src/command_line.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | /     /// A file, or directory containing files, to read.
[INFO] [stdout] 31 | |     #[structopt(long, short)]
[INFO] [stdout] 32 | |     in_file: Vec<PathBuf>,
[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/command_line.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | /     /// The name of an environment variable to use as a search path.
[INFO] [stdout] 39 | |     #[structopt(long, short, conflicts_with = "default_search_env")]
[INFO] [stdout] 40 | |     search_env: Option<String>,
[INFO] [stdout]    | |______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/command_line.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 | /         /// The file to write to [default: <stdout>]
[INFO] [stdout] 61 | |         #[structopt(long, short)]
[INFO] [stdout] 62 | |         out_file: Option<PathBuf>,
[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/command_line.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 | /         /// The namespace to write, if a format is constrained to one
[INFO] [stdout] 69 | |         #[structopt(short, long)]
[INFO] [stdout] 70 | |         namespace: Option<String>,
[INFO] [stdout]    | |_________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/command_line.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 | /         /// The file to write to [default: <stdout>]
[INFO] [stdout] 78 | |         #[structopt(long, short)]
[INFO] [stdout] 79 | |         out_file: Option<PathBuf>,
[INFO] [stdout]    | |_________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cargo_atelier` (lib) due to 5 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `verbose` is never read
[INFO] [stdout]   --> src/command_line.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct CommandLine {
[INFO] [stdout]    |        ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     verbose: i8,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CommandLine` 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<PathBuf, Infallible>
[INFO] [stdout]   --> src/command_line.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | /     /// A file, or directory containing files, to read.
[INFO] [stdout] 31 | |     #[structopt(long, short)]
[INFO] [stdout] 32 | |     in_file: Vec<PathBuf>,
[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/command_line.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | /     /// The name of an environment variable to use as a search path.
[INFO] [stdout] 39 | |     #[structopt(long, short, conflicts_with = "default_search_env")]
[INFO] [stdout] 40 | |     search_env: Option<String>,
[INFO] [stdout]    | |______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/command_line.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 | /         /// The file to write to [default: <stdout>]
[INFO] [stdout] 61 | |         #[structopt(long, short)]
[INFO] [stdout] 62 | |         out_file: Option<PathBuf>,
[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/command_line.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 | /         /// The namespace to write, if a format is constrained to one
[INFO] [stdout] 69 | |         #[structopt(short, long)]
[INFO] [stdout] 70 | |         namespace: Option<String>,
[INFO] [stdout]    | |_________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/command_line.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 | /         /// The file to write to [default: <stdout>]
[INFO] [stdout] 78 | |         #[structopt(long, short)]
[INFO] [stdout] 79 | |         out_file: Option<PathBuf>,
[INFO] [stdout]    | |_________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cargo_atelier` (lib test) due to 5 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "da602c4a71b3776a7c5d1dfae5cff8db7b14c03a020288858dc1b6e34e9487d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da602c4a71b3776a7c5d1dfae5cff8db7b14c03a020288858dc1b6e34e9487d3", kill_on_drop: false }`
[INFO] [stdout] da602c4a71b3776a7c5d1dfae5cff8db7b14c03a020288858dc1b6e34e9487d3
