[INFO] cloning repository https://github.com/Henkhogan/magicjson-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Henkhogan/magicjson-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHenkhogan%2Fmagicjson-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHenkhogan%2Fmagicjson-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a00d8d03dac4a6741735c15bd9e80f227c7255cf
[INFO] checking Henkhogan/magicjson-rust/a00d8d03dac4a6741735c15bd9e80f227c7255cf against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHenkhogan%2Fmagicjson-rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Henkhogan/magicjson-rust 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 git repo https://github.com/Henkhogan/magicjson-rust
[INFO] finished tweaking git repo https://github.com/Henkhogan/magicjson-rust
[INFO] tweaked toml for git repo https://github.com/Henkhogan/magicjson-rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Henkhogan/magicjson-rust 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 8769a4c3f40e24d493b3b4a4901748eb957d4a3135afd33278dfe1173ed5120d
[INFO] running `Command { std: "docker" "start" "-a" "8769a4c3f40e24d493b3b4a4901748eb957d4a3135afd33278dfe1173ed5120d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8769a4c3f40e24d493b3b4a4901748eb957d4a3135afd33278dfe1173ed5120d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8769a4c3f40e24d493b3b4a4901748eb957d4a3135afd33278dfe1173ed5120d", kill_on_drop: false }`
[INFO] [stdout] 8769a4c3f40e24d493b3b4a4901748eb957d4a3135afd33278dfe1173ed5120d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 0a3976b1ddc7b2f443722b2fb2341c78fde06ecb2961b4a1af231e87bb26c8bc
[INFO] running `Command { std: "docker" "start" "-a" "0a3976b1ddc7b2f443722b2fb2341c78fde06ecb2961b4a1af231e87bb26c8bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling rustix v0.38.28
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking linux-raw-sys v0.4.12
[INFO] [stderr]     Checking iana-time-zone v0.1.59
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking phf_shared v0.11.2
[INFO] [stderr]     Checking phf v0.11.2
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]    Compiling phf_codegen v0.11.2
[INFO] [stderr]     Checking is-terminal v0.4.10
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]     Checking env_logger v0.10.1
[INFO] [stderr]    Compiling chrono-tz-build v0.2.1
[INFO] [stderr]    Compiling chrono-tz v0.8.5
[INFO] [stderr]     Checking magicjson v0.0.1-alpha.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/serialize.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num_traits::PrimInt`
[INFO] [stdout]  --> src/serialize.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use num_traits::PrimInt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/serialize.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num_traits::PrimInt`
[INFO] [stdout]  --> src/serialize.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use num_traits::PrimInt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `any::Any` and `fmt::Display`
[INFO] [stdout]   --> src/lib.rs:57:15
[INFO] [stdout]    |
[INFO] [stdout] 57 |     use std::{any::Any, collections::{BTreeMap, HashMap}, fmt::Display};
[INFO] [stdout]    |               ^^^^^^^^                                    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_json_string` is never used
[INFO] [stdout]   --> src/serialize.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub trait ToJsonString {
[INFO] [stdout]    |           ------------ method in this trait
[INFO] [stdout] 52 |     fn to_json(&self) -> JsonSerializable;
[INFO] [stdout] 53 |     fn to_json_string(self) -> String;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_json_string` is never used
[INFO] [stdout]   --> src/serialize.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub trait ToJsonString {
[INFO] [stdout]    |           ------------ method in this trait
[INFO] [stdout] 52 |     fn to_json(&self) -> JsonSerializable;
[INFO] [stdout] 53 |     fn to_json_string(self) -> String;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.87s
[INFO] running `Command { std: "docker" "inspect" "0a3976b1ddc7b2f443722b2fb2341c78fde06ecb2961b4a1af231e87bb26c8bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a3976b1ddc7b2f443722b2fb2341c78fde06ecb2961b4a1af231e87bb26c8bc", kill_on_drop: false }`
[INFO] [stdout] 0a3976b1ddc7b2f443722b2fb2341c78fde06ecb2961b4a1af231e87bb26c8bc