[INFO] fetching crate ht 0.6.1...
[INFO] checking ht-0.6.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate ht 0.6.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate ht 0.6.1
[INFO] finished tweaking crates.io crate ht 0.6.1
[INFO] tweaked toml for crates.io crate ht 0.6.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ht 0.6.1 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 ht 0.6.1 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] 4474d27b9297d6f2969745e0b44628c03a841216caaef55327b8c31ff3c1049c
[INFO] running `Command { std: "docker" "start" "-a" "4474d27b9297d6f2969745e0b44628c03a841216caaef55327b8c31ff3c1049c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4474d27b9297d6f2969745e0b44628c03a841216caaef55327b8c31ff3c1049c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4474d27b9297d6f2969745e0b44628c03a841216caaef55327b8c31ff3c1049c", kill_on_drop: false }`
[INFO] [stdout] 4474d27b9297d6f2969745e0b44628c03a841216caaef55327b8c31ff3c1049c
[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] cebd236a9fbb4879e1f7dd4982340e405ee083438e52ccd4a61665e1d48a6ca6
[INFO] running `Command { std: "docker" "start" "-a" "cebd236a9fbb4879e1f7dd4982340e405ee083438e52ccd4a61665e1d48a6ca6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.83
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling indexmap v1.5.2
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling tokio v1.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking base64 v0.13.0
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[INFO] [stderr]    Compiling serde_derive v1.0.123
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[INFO] [stderr]     Checking tracing v0.1.22
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[INFO] [stderr]     Checking thread_local v1.1.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]    Compiling onig_sys v69.6.0
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling line-wrap v0.1.1
[INFO] [stderr]     Checking tinyvec v1.1.1
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[INFO] [stderr]    Compiling ryu v1.0.5
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[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking brotli-decompressor v2.3.1
[INFO] [stderr]     Checking http-body v0.4.0
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]    Compiling encoding_rs v0.8.26
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking unicode-normalization v0.1.16
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[INFO] [stderr]     Checking atty v0.2.14
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[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking brotli v3.3.0
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking console v0.14.0
[INFO] [stderr]     Checking float-cmp v0.8.0
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[INFO] [stderr]     Checking predicates v1.0.7
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[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking rpassword v5.0.1
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]     Checking assert_matches v1.4.0
[INFO] [stderr]     Checking assert_cmd v1.0.2
[INFO] [stderr]    Compiling indoc v1.0.3
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking plist v1.0.1
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.19.0
[INFO] [stderr]     Checking webpki-roots v0.21.0
[INFO] [stderr]    Compiling onig v6.1.1
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling pin-project-internal v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking async-stream v0.3.0
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking pin-project v1.0.4
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]    Compiling syntect v4.5.0
[INFO] [stderr]     Checking tokio-stream v0.1.2
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]     Checking async-compression v0.3.7
[INFO] [stderr]     Checking tokio-util v0.6.2
[INFO] [stderr]     Checking h2 v0.3.0
[INFO] [stderr]    Compiling ht v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking hyper v0.14.2
[INFO] [stderr]     Checking hyper-rustls v0.22.1
[INFO] [stderr]     Checking reqwest v0.11.0
[INFO] [stdout] warning: field `json` is never read
[INFO] [stdout]   --> src/cli.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Cli {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub json: bool,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Cli` 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/cli.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | /     #[structopt(short = "a", long)]
[INFO] [stdout] 39 | |     pub auth: Option<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/cli.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | /     /// Save output to FILE instead of stdout.
[INFO] [stdout] 42 | |     #[structopt(short, long)]
[INFO] [stdout] 43 | |     pub output: 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/cli.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 | /     /// The default scheme to use if not specified in the URL.
[INFO] [stdout] 89 | |     #[structopt(long = "default-scheme")]
[INFO] [stdout] 90 | |     pub default_scheme: Option<String>,
[INFO] [stdout]    | |______________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ht` (bin "ht") due to 3 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `json` is never read
[INFO] [stdout]   --> src/cli.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Cli {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub json: bool,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Cli` 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/cli.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | /     #[structopt(short = "a", long)]
[INFO] [stdout] 39 | |     pub auth: Option<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/cli.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | /     /// Save output to FILE instead of stdout.
[INFO] [stdout] 42 | |     #[structopt(short, long)]
[INFO] [stdout] 43 | |     pub output: 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/cli.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 | /     /// The default scheme to use if not specified in the URL.
[INFO] [stdout] 89 | |     #[structopt(long = "default-scheme")]
[INFO] [stdout] 90 | |     pub default_scheme: Option<String>,
[INFO] [stdout]    | |______________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ht` (bin "ht" test) due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "cebd236a9fbb4879e1f7dd4982340e405ee083438e52ccd4a61665e1d48a6ca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cebd236a9fbb4879e1f7dd4982340e405ee083438e52ccd4a61665e1d48a6ca6", kill_on_drop: false }`
[INFO] [stdout] cebd236a9fbb4879e1f7dd4982340e405ee083438e52ccd4a61665e1d48a6ca6
