[INFO] fetching crate monolith 2.6.1...
[INFO] checking monolith-2.6.1 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate monolith 2.6.1 into /workspace/builds/worker-92/source
[INFO] validating manifest of crates.io crate monolith 2.6.1 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate monolith 2.6.1
[INFO] finished tweaking crates.io crate monolith 2.6.1
[INFO] tweaked toml for crates.io crate monolith 2.6.1 written to /workspace/builds/worker-92/source/Cargo.toml
[INFO] crate crates.io crate monolith 2.6.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a68ba8a90573a662b6329dc6af869180524f90d87733babf1dfd0346bc90a5bf
[INFO] running `Command { std: "docker" "start" "-a" "a68ba8a90573a662b6329dc6af869180524f90d87733babf1dfd0346bc90a5bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a68ba8a90573a662b6329dc6af869180524f90d87733babf1dfd0346bc90a5bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a68ba8a90573a662b6329dc6af869180524f90d87733babf1dfd0346bc90a5bf", kill_on_drop: false }`
[INFO] [stdout] a68ba8a90573a662b6329dc6af869180524f90d87733babf1dfd0346bc90a5bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51e9bbd13f28733846f4f12d5524bb5da686a6f8b31935b5f0ffaf3b51cafba7
[INFO] running `Command { std: "docker" "start" "-a" "51e9bbd13f28733846f4f12d5524bb5da686a6f8b31935b5f0ffaf3b51cafba7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking bytes v1.0.1
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[INFO] [stderr]    Compiling pkg-config v0.3.19
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[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking futures-io v0.3.15
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[INFO] [stderr]     Checking tower-service v0.3.1
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[INFO] [stderr]     Checking ipnet v2.3.1
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[INFO] [stderr]    Compiling libc v0.2.97
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[INFO] [stderr]     Checking itertools v0.10.1
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[INFO] [stderr]    Compiling rand_core v0.3.1
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[INFO] [stderr]     Checking tracing v0.1.26
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[INFO] [stderr]    Compiling rand_os v0.1.3
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[INFO] [stderr]     Checking aho-corasick v0.7.18
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[INFO] [stderr]    Compiling rand v0.6.5
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[INFO] [stderr]    Compiling rand_pcg v0.2.1
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[INFO] [stderr]    Compiling phf_generator v0.7.24
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[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking assert_cmd v1.0.7
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[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]    Compiling phf_generator v0.8.0
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[INFO] [stderr]     Checking serde_urlencoded v0.7.0
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[INFO] [stderr]     Checking tokio-native-tls v0.3.0
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[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling html5ever v0.24.1
[INFO] [stderr]    Compiling cssparser v0.28.1
[INFO] [stderr]    Compiling cssparser-macros v0.6.0
[INFO] [stderr]     Checking hyper v0.14.9
[INFO] [stderr]     Checking phf v0.8.0
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[INFO] [stderr]    Compiling markup5ever v0.9.0
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[INFO] [stderr]     Checking monolith v2.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0583]: file not found for module `tests`
[INFO] [stdout]   --> src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub mod tests;
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: to create the module `tests`, create file "src/tests.rs" or "src/tests/mod.rs"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0583`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `monolith` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/html.rs:505:25
[INFO] [stdout]     |
[INFO] [stdout] 505 |                         &attrs_mut[i].value.clear();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 505 |                         let _ = &attrs_mut[i].value.clear();
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/html.rs:506:25
[INFO] [stdout]     |
[INFO] [stdout] 506 |                         &attrs_mut[i].value.push_slice(&attr_value.as_str());
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 506 |                         let _ = &attrs_mut[i].value.push_slice(&attr_value.as_str());
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "51e9bbd13f28733846f4f12d5524bb5da686a6f8b31935b5f0ffaf3b51cafba7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51e9bbd13f28733846f4f12d5524bb5da686a6f8b31935b5f0ffaf3b51cafba7", kill_on_drop: false }`
[INFO] [stdout] 51e9bbd13f28733846f4f12d5524bb5da686a6f8b31935b5f0ffaf3b51cafba7