[INFO] cloning repository https://github.com/braxnu/viners
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/braxnu/viners" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbraxnu%2Fviners", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbraxnu%2Fviners'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 49b93dcc6ea602ec47e0c34eaa797682e6d9a4e4
[INFO] building braxnu/viners against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbraxnu%2Fviners" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/braxnu/viners on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/braxnu/viners
[INFO] finished tweaking git repo https://github.com/braxnu/viners
[INFO] tweaked toml for git repo https://github.com/braxnu/viners written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/braxnu/viners 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53570e5880dd0e26ee5e4bff04d3e771118d7157f3ad37b87d4de331132f3aef
[INFO] running `Command { std: "docker" "start" "-a" "53570e5880dd0e26ee5e4bff04d3e771118d7157f3ad37b87d4de331132f3aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53570e5880dd0e26ee5e4bff04d3e771118d7157f3ad37b87d4de331132f3aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53570e5880dd0e26ee5e4bff04d3e771118d7157f3ad37b87d4de331132f3aef", kill_on_drop: false }`
[INFO] [stdout] 53570e5880dd0e26ee5e4bff04d3e771118d7157f3ad37b87d4de331132f3aef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3baa9606d69a87e9fbb323f97784f450e5ac8e866754cdfcf3e23ee2b0486f4d
[INFO] running `Command { std: "docker" "start" "-a" "3baa9606d69a87e9fbb323f97784f450e5ac8e866754cdfcf3e23ee2b0486f4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling viners v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/field.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]  --> src/field.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | use chrono::{Duration, DateTime, Utc};
[INFO] [stdout]   |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `product::Product`
[INFO] [stdout]  --> src/field.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{plant::Plant, product::Product};
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `utc_from_str`
[INFO] [stdout]  --> src/field.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::date::{utc_from_str, GameStartDate};
[INFO] [stdout]   |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Plant` is never constructed
[INFO] [stdout]  --> src/plant.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Plant<'a> {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Plant` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `lifespan` are never read
[INFO] [stdout]  --> src/product.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Product {
[INFO] [stdout]   |            ------- fields in this struct
[INFO] [stdout] 6 |     pub name: String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 7 |     pub lifespan: Duration,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Product` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GameStartDate` is never constructed
[INFO] [stdout]  --> src/date.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct GameStartDate {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `utc_from_str` is never used
[INFO] [stdout]   --> src/date.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn utc_from_str(date: &str) -> DateTime<Utc> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_game_from_real` is never used
[INFO] [stdout]   --> src/date.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl GameStartDate {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] 18 |     fn get_game_from_real(self: Self, date: DateTime<Utc>) -> DateTime<Utc> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Field` is never constructed
[INFO] [stdout]  --> src/field.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Field<'a> {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_alive` and `get_yield_size` are never used
[INFO] [stdout]   --> src/field.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Field<'_> {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] 17 |     fn is_alive(
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     fn get_yield_size(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `Command { std: "docker" "inspect" "3baa9606d69a87e9fbb323f97784f450e5ac8e866754cdfcf3e23ee2b0486f4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3baa9606d69a87e9fbb323f97784f450e5ac8e866754cdfcf3e23ee2b0486f4d", kill_on_drop: false }`
[INFO] [stdout] 3baa9606d69a87e9fbb323f97784f450e5ac8e866754cdfcf3e23ee2b0486f4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5f619d5aabd2d5a645276f071323fe220dfc08a9685f35881652a73b7692b2b
[INFO] running `Command { std: "docker" "start" "-a" "d5f619d5aabd2d5a645276f071323fe220dfc08a9685f35881652a73b7692b2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling viners v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "d5f619d5aabd2d5a645276f071323fe220dfc08a9685f35881652a73b7692b2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5f619d5aabd2d5a645276f071323fe220dfc08a9685f35881652a73b7692b2b", kill_on_drop: false }`
[INFO] [stdout] d5f619d5aabd2d5a645276f071323fe220dfc08a9685f35881652a73b7692b2b