[INFO] fetching crate coil 0.4.0...
[INFO] checking coil-0.4.0 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate coil 0.4.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate coil 0.4.0 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate coil 0.4.0
[INFO] finished tweaking crates.io crate coil 0.4.0
[INFO] tweaked toml for crates.io crate coil 0.4.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 220 packages to latest compatible versions
[INFO] [stderr]       Adding ahash v0.7.8 (latest: v0.8.11)
[INFO] [stderr]       Adding async-channel v1.9.0 (latest: v2.2.1)
[INFO] [stderr]       Adding async-fs v1.6.0 (latest: v2.1.2)
[INFO] [stderr]       Adding async-io v1.13.0 (latest: v2.3.2)
[INFO] [stderr]       Adding async-lock v2.8.0 (latest: v3.3.0)
[INFO] [stderr]       Adding async-net v1.8.0 (latest: v2.0.0)
[INFO] [stderr]       Adding async-process v1.8.1 (latest: v2.2.2)
[INFO] [stderr]       Adding async-rustls v0.2.0 (latest: v0.4.2)
[INFO] [stderr]       Adding atoi v0.4.0 (latest: v2.0.0)
[INFO] [stderr]       Adding base64 v0.13.1 (latest: v0.22.1)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding crc v2.1.0 (latest: v3.2.1)
[INFO] [stderr]       Adding crc-catalog v1.1.1 (latest: v2.4.0)
[INFO] [stderr]       Adding ctor v0.1.26 (latest: v0.2.8)
[INFO] [stderr]       Adding dirs v4.0.0 (latest: v5.0.1)
[INFO] [stderr]       Adding dirs-sys v0.3.7 (latest: v0.4.1)
[INFO] [stderr]       Adding env_logger v0.7.1 (latest: v0.11.3)
[INFO] [stderr]       Adding event-listener v2.5.3 (latest: v5.3.0)
[INFO] [stderr]       Adding event-listener v3.1.0 (latest: v5.3.0)
[INFO] [stderr]       Adding event-listener v4.0.3 (latest: v5.3.0)
[INFO] [stderr]       Adding event-listener-strategy v0.4.0 (latest: v0.5.2)
[INFO] [stderr]       Adding fastrand v1.9.0 (latest: v2.1.0)
[INFO] [stderr]       Adding flume v0.10.14 (latest: v0.11.0)
[INFO] [stderr]       Adding futures-intrusive v0.4.2 (latest: v0.5.0)
[INFO] [stderr]       Adding futures-lite v1.13.0 (latest: v2.3.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding gloo-timers v0.2.6 (latest: v0.3.0)
[INFO] [stderr]       Adding hashbrown v0.11.2 (latest: v0.14.5)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.5)
[INFO] [stderr]       Adding hashlink v0.7.0 (latest: v0.9.0)
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding humantime v1.3.0 (latest: v2.1.0)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding inventory v0.1.11 (latest: v0.3.15)
[INFO] [stderr]       Adding io-lifetimes v1.0.11 (latest: v2.0.3)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding itoa v0.4.8 (latest: v1.0.11)
[INFO] [stderr]       Adding linux-raw-sys v0.3.8 (latest: v0.6.4)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding parking_lot v0.11.2 (latest: v0.12.2)
[INFO] [stderr]       Adding parking_lot_core v0.8.6 (latest: v0.9.10)
[INFO] [stderr]       Adding polling v2.8.0 (latest: v3.7.0)
[INFO] [stderr]       Adding pretty_env_logger v0.4.0 (latest: v0.5.0)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding redox_syscall v0.2.16 (latest: v0.5.1)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding ring v0.16.20 (latest: v0.17.8)
[INFO] [stderr]       Adding rustix v0.37.27 (latest: v0.38.34)
[INFO] [stderr]       Adding rustls v0.19.1 (latest: v0.23.5)
[INFO] [stderr]       Adding sct v0.6.1 (latest: v0.7.1)
[INFO] [stderr]       Adding smol v1.3.0 (latest: v2.0.0)
[INFO] [stderr]       Adding socket2 v0.4.10 (latest: v0.5.7)
[INFO] [stderr]       Adding spin v0.5.2 (latest: v0.9.8)
[INFO] [stderr]       Adding sqlformat v0.1.8 (latest: v0.2.3)
[INFO] [stderr]       Adding sqlx v0.5.13 (latest: v0.7.4)
[INFO] [stderr]       Adding sqlx-core v0.5.13 (latest: v0.7.4)
[INFO] [stderr]       Adding sqlx-macros v0.5.13 (latest: v0.7.4)
[INFO] [stderr]       Adding sqlx-rt v0.5.13 (latest: v0.6.3)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.60)
[INFO] [stderr]       Adding untrusted v0.7.1 (latest: v0.9.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding webpki v0.21.4 (latest: v0.22.4)
[INFO] [stderr]       Adding webpki-roots v0.21.1 (latest: v0.26.1)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sqlx-rt v0.5.13
[INFO] [stderr]   Downloaded crc v2.1.0
[INFO] [stderr]   Downloaded coil_proc_macro v0.3.0
[INFO] [stderr]   Downloaded sqlformat v0.1.8
[INFO] [stderr]   Downloaded sqlx-macros v0.5.13
[INFO] [stderr]   Downloaded sqlx v0.5.13
[INFO] [stderr]   Downloaded crc-catalog v1.1.1
[INFO] [stderr]   Downloaded smol v1.3.0
[INFO] [stderr]   Downloaded sqlx-core v0.5.13
[INFO] [stderr]   Downloaded futures-intrusive v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] faedd632a4faf0f197802e4a7eedc943e887c613641a76d62ed4717efb73cf92
[INFO] running `Command { std: "docker" "start" "-a" "faedd632a4faf0f197802e4a7eedc943e887c613641a76d62ed4717efb73cf92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "faedd632a4faf0f197802e4a7eedc943e887c613641a76d62ed4717efb73cf92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faedd632a4faf0f197802e4a7eedc943e887c613641a76d62ed4717efb73cf92", kill_on_drop: false }`
[INFO] [stdout] faedd632a4faf0f197802e4a7eedc943e887c613641a76d62ed4717efb73cf92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a561e4b5e27bf3f172a2bcbe1193e21a4e6d533c24e5d1bd02d7799e57470f8
[INFO] running `Command { std: "docker" "start" "-a" "4a561e4b5e27bf3f172a2bcbe1193e21a4e6d533c24e5d1bd02d7799e57470f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]     Checking fastrand v2.1.0
[INFO] [stderr]     Checking value-bag v1.9.0
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]     Checking futures-lite v2.3.0
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]     Checking event-listener v4.0.3
[INFO] [stderr]     Checking event-listener v5.3.0
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]     Checking waker-fn v1.1.1
[INFO] [stderr]     Checking event-listener-strategy v0.4.0
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]     Checking async-lock v3.3.0
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]     Checking event-listener-strategy v0.5.2
[INFO] [stderr]     Checking async-task v4.7.1
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]     Checking piper v0.2.1
[INFO] [stderr]     Checking async-channel v2.2.1
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling serde v1.0.200
[INFO] [stderr]     Checking blocking v1.6.0
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling thiserror v1.0.59
[INFO] [stderr]    Compiling serde_json v1.0.116
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling async-executor v1.11.0
[INFO] [stderr]    Compiling event-listener v3.1.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling unicode-bidi v0.3.15
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling either v1.11.0
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling crc-catalog v1.1.1
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]    Compiling finl_unicode v1.2.0
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]    Compiling webpki-roots v0.21.1
[INFO] [stderr]    Compiling stringprep v0.1.4
[INFO] [stderr]    Compiling atoi v0.4.0
[INFO] [stderr]    Compiling crc v2.1.0
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling url v2.5.0
[INFO] [stderr]    Compiling hkdf v0.12.4
[INFO] [stderr]    Compiling futures-intrusive v0.4.2
[INFO] [stderr]    Compiling sqlformat v0.1.8
[INFO] [stderr]     Checking polling v3.7.0
[INFO] [stderr]    Compiling hashlink v0.7.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking async-io v2.3.2
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling sha-1 v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.200
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling thiserror-impl v1.0.59
[INFO] [stderr]    Compiling md-5 v0.10.6
[INFO] [stderr]     Checking async-signal v0.2.6
[INFO] [stderr]     Checking async-process v1.8.1
[INFO] [stderr]     Checking async-global-executor v2.4.1
[INFO] [stderr]    Compiling crossbeam-queue v0.3.11
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking async-rustls v0.2.0
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling whoami v1.5.1
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling bytes v1.6.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling inventory v0.1.11
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stderr]    Compiling inventory-impl v0.1.11
[INFO] [stderr]    Compiling ghost v0.1.17
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking sqlx-rt v0.5.13
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]    Compiling coil_proc_macro v0.3.0
[INFO] [stderr]    Compiling async-trait v0.1.80
[INFO] [stderr]     Checking async-net v1.8.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking futures-timer v3.0.3
[INFO] [stderr]     Checking smol v1.3.0
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking flume v0.10.14
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking sqlx-core v0.5.13
[INFO] [stderr]    Compiling sqlx-macros v0.5.13
[INFO] [stderr]     Checking sqlx v0.5.13
[INFO] [stderr]     Checking coil v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: field `0` is never read
[INFO] [stdout]    --> src/runner.rs:312:26
[INFO] [stdout]     |
[INFO] [stdout] 312 |     struct TestGuard<'a>(MutexGuard<'a, ()>);
[INFO] [stdout]     |            ---------     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:26:9
[INFO] [stdout]     |
[INFO] [stdout] 26  | #![deny(dead_code)]
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 312 |     struct TestGuard<'a>(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `coil` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "4a561e4b5e27bf3f172a2bcbe1193e21a4e6d533c24e5d1bd02d7799e57470f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a561e4b5e27bf3f172a2bcbe1193e21a4e6d533c24e5d1bd02d7799e57470f8", kill_on_drop: false }`
[INFO] [stdout] 4a561e4b5e27bf3f172a2bcbe1193e21a4e6d533c24e5d1bd02d7799e57470f8
