[INFO] fetching crate chudnovsky 0.0.1...
[INFO] checking chudnovsky-0.0.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate chudnovsky 0.0.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate chudnovsky 0.0.1 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chudnovsky 0.0.1
[INFO] finished tweaking crates.io crate chudnovsky 0.0.1
[INFO] tweaked toml for crates.io crate chudnovsky 0.0.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 24 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71a1da45e2c45a46350e73bd167a0b57301623bb71b42cf9630b9e764e48c798
[INFO] running `Command { std: "docker" "start" "-a" "71a1da45e2c45a46350e73bd167a0b57301623bb71b42cf9630b9e764e48c798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71a1da45e2c45a46350e73bd167a0b57301623bb71b42cf9630b9e764e48c798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71a1da45e2c45a46350e73bd167a0b57301623bb71b42cf9630b9e764e48c798", kill_on_drop: false }`
[INFO] [stdout] 71a1da45e2c45a46350e73bd167a0b57301623bb71b42cf9630b9e764e48c798
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7926846b2e427add0ee0f2f62961e0a2683b25e621b151ac17f951d7ab55d8f
[INFO] running `Command { std: "docker" "start" "-a" "f7926846b2e427add0ee0f2f62961e0a2683b25e621b151ac17f951d7ab55d8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]    Compiling num-modular v0.6.1
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling dashu-base v0.4.1
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]     Checking latexify v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling dashu-int v0.4.1
[INFO] [stderr]     Checking num-order v1.2.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]    Compiling dashu-ratio v0.4.1
[INFO] [stderr]    Compiling dashu-float v0.4.3
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]    Compiling dashu-macros v0.4.1
[INFO] [stderr]     Checking dashu v0.4.2
[INFO] [stderr]     Checking chudnovsky v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Display`, `LowerHex`, and `UpperHex`
[INFO] [stdout]  --> src/order_2/mod.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::fmt::{Display, LowerHex, UpperHex};
[INFO] [stdout]   |                 ^^^^^^^  ^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> src/order_2/display.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Display`, `LowerHex`, and `UpperHex`
[INFO] [stdout]  --> src/order_2/mod.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::fmt::{Display, LowerHex, UpperHex};
[INFO] [stdout]   |                 ^^^^^^^  ^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> src/order_2/display.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iterators`
[INFO] [stdout]   --> src/order_2/mod.rs:17:23
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn run(&self, iterators: usize) -> DBig {
[INFO] [stdout]    |                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_iterators`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iterators`
[INFO] [stdout]   --> src/order_2/mod.rs:17:23
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn run(&self, iterators: usize) -> DBig {
[INFO] [stdout]    |                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_iterators`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `a` is never read
[INFO] [stdout]  --> src/order_2/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct RamanujanL2 {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 9 |     a: usize,
[INFO] [stdout]   |     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `RamanujanL2` has derived impls for the traits `Debug` and `Clone`, 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: struct `DecViewer` is never constructed
[INFO] [stdout]   --> src/helpers/mod.rs:33:19
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub(crate) struct DecViewer<'i, T> {
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HexViewer8` is never constructed
[INFO] [stdout]   --> src/helpers/mod.rs:38:19
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub(crate) struct HexViewer8<'i> {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `a` is never read
[INFO] [stdout]  --> src/order_2/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct RamanujanL2 {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 9 |     a: usize,
[INFO] [stdout]   |     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `RamanujanL2` has derived impls for the traits `Debug` and `Clone`, 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: struct `DecViewer` is never constructed
[INFO] [stdout]   --> src/helpers/mod.rs:33:19
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub(crate) struct DecViewer<'i, T> {
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HexViewer8` is never constructed
[INFO] [stdout]   --> src/helpers/mod.rs:38:19
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub(crate) struct HexViewer8<'i> {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]   --> src/order_1/mod.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn run(&self, iterators: usize) -> DBig {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:2:9
[INFO] [stdout]    |
[INFO] [stdout] 2  | #![warn(missing_docs, rustdoc::missing_crate_level_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]   --> src/order_1/mod.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn run(&self, iterators: usize) -> DBig {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:2:9
[INFO] [stdout]    |
[INFO] [stdout] 2  | #![warn(missing_docs, rustdoc::missing_crate_level_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for an associated constant
[INFO] [stdout]   --> src/order_2/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub const J58: Self = Self { a: 0 };
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for an associated constant
[INFO] [stdout]   --> src/order_2/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub const J58: Self = Self { a: 0 };
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]   --> src/order_2/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn run(&self, iterators: usize) -> DBig {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]   --> src/order_2/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn run(&self, iterators: usize) -> DBig {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a function
[INFO] [stdout]   --> src/order_2/mod.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn ramanujan(iterators: usize) -> DBig {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a function
[INFO] [stdout]   --> src/order_2/mod.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn ramanujan(iterators: usize) -> DBig {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.75s
[INFO] running `Command { std: "docker" "inspect" "f7926846b2e427add0ee0f2f62961e0a2683b25e621b151ac17f951d7ab55d8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7926846b2e427add0ee0f2f62961e0a2683b25e621b151ac17f951d7ab55d8f", kill_on_drop: false }`
[INFO] [stdout] f7926846b2e427add0ee0f2f62961e0a2683b25e621b151ac17f951d7ab55d8f