[INFO] fetching crate riichi-tools-rs 0.0.70...
[INFO] checking riichi-tools-rs-0.0.70 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate riichi-tools-rs 0.0.70 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate riichi-tools-rs 0.0.70 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate riichi-tools-rs 0.0.70
[INFO] finished tweaking crates.io crate riichi-tools-rs 0.0.70
[INFO] tweaked toml for crates.io crate riichi-tools-rs 0.0.70 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 75 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding clap v2.34.0 (latest: v4.5.4)
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[INFO] [stderr]       Adding enum-iterator v0.6.0 (latest: v2.0.0)
[INFO] [stderr]       Adding enum-iterator-derive v0.6.0 (latest: v1.3.0)
[INFO] [stderr]       Adding getrandom v0.1.16 (latest: v0.2.12)
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[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding rand v0.7.3 (latest: v0.8.5)
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[INFO] [stderr]       Adding rust-embed v5.9.0 (latest: v8.3.0)
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[INFO] [stderr]       Adding textwrap v0.11.0 (latest: v0.16.1)
[INFO] [stderr]       Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enum-iterator-derive v0.6.0
[INFO] [stderr]   Downloaded enum-iterator v0.6.0
[INFO] [stderr]   Downloaded rust-embed-utils v5.1.0
[INFO] [stderr]   Downloaded rust-embed-impl v5.9.0
[INFO] [stderr]   Downloaded serde_cbor v0.11.2
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[INFO] [stderr]   Downloaded rust-embed v5.9.0
[INFO] [stderr]   Downloaded csv v1.3.0
[INFO] [stderr]   Downloaded criterion-plot v0.4.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 187c27bafc6a72d066cbb3529128b0225075c19ac53bc3a69155d92e707a5416
[INFO] running `Command { std: "docker" "start" "-a" "187c27bafc6a72d066cbb3529128b0225075c19ac53bc3a69155d92e707a5416", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "187c27bafc6a72d066cbb3529128b0225075c19ac53bc3a69155d92e707a5416", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "187c27bafc6a72d066cbb3529128b0225075c19ac53bc3a69155d92e707a5416", kill_on_drop: false }`
[INFO] [stdout] 187c27bafc6a72d066cbb3529128b0225075c19ac53bc3a69155d92e707a5416
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cee64c112a4aa1a195d31af32b8b4127010672b3ad8c5c3211266c53b4f60ee0
[INFO] running `Command { std: "docker" "start" "-a" "cee64c112a4aa1a195d31af32b8b4127010672b3ad8c5c3211266c53b4f60ee0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.92
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling bumpalo v3.15.4
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.92
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
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[INFO] [stderr]    Compiling enum-iterator-derive v0.6.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.92
[INFO] [stderr]     Checking enum-iterator v0.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.92
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.92
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking riichi-tools-rs v0.0.70 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] warning: field `tile_count` is never read
[INFO] [stdout]   --> src/riichi/shapes.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Shape {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 15 |     shape_type: ShapeType,
[INFO] [stdout] 16 |     tile_count: u8,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Shape` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tile_count` is never read
[INFO] [stdout]   --> src/riichi/shapes.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Shape {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 15 |     shape_type: ShapeType,
[INFO] [stdout] 16 |     tile_count: u8,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Shape` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.63s
[INFO] running `Command { std: "docker" "inspect" "cee64c112a4aa1a195d31af32b8b4127010672b3ad8c5c3211266c53b4f60ee0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cee64c112a4aa1a195d31af32b8b4127010672b3ad8c5c3211266c53b4f60ee0", kill_on_drop: false }`
[INFO] [stdout] cee64c112a4aa1a195d31af32b8b4127010672b3ad8c5c3211266c53b4f60ee0