[INFO] cloning repository https://github.com/AnActualEmerald/EmeraldScript
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AnActualEmerald/EmeraldScript" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnActualEmerald%2FEmeraldScript", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnActualEmerald%2FEmeraldScript'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e634fb091db8e3e8368d1b1c559cc41a5e41a7a3
[INFO] checking AnActualEmerald/EmeraldScript/e634fb091db8e3e8368d1b1c559cc41a5e41a7a3 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%2FAnActualEmerald%2FEmeraldScript" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AnActualEmerald/EmeraldScript 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/AnActualEmerald/EmeraldScript
[INFO] finished tweaking git repo https://github.com/AnActualEmerald/EmeraldScript
[INFO] tweaked toml for git repo https://github.com/AnActualEmerald/EmeraldScript written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/AnActualEmerald/EmeraldScript 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 78568a5225a3473d5b2c70d81f945325a09abca03b1c4a40fb89f5c192ba8f86
[INFO] running `Command { std: "docker" "start" "-a" "78568a5225a3473d5b2c70d81f945325a09abca03b1c4a40fb89f5c192ba8f86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78568a5225a3473d5b2c70d81f945325a09abca03b1c4a40fb89f5c192ba8f86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78568a5225a3473d5b2c70d81f945325a09abca03b1c4a40fb89f5c192ba8f86", kill_on_drop: false }`
[INFO] [stdout] 78568a5225a3473d5b2c70d81f945325a09abca03b1c4a40fb89f5c192ba8f86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 0a8ce1bbab146e7de1493df325b77a29c45b579e52b2b6de12feabf8e5aaf9ac
[INFO] running `Command { std: "docker" "start" "-a" "0a8ce1bbab146e7de1493df325b77a29c45b579e52b2b6de12feabf8e5aaf9ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking regex-syntax v0.6.16
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking console v0.12.0
[INFO] [stderr]     Checking gem v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `index_mut` is never used
[INFO] [stdout]  --> src/interpreter/types.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub trait Indexable<T> {
[INFO] [stdout]   |           --------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 8 |     fn index_mut<'a>(&'a mut self, index: usize) -> Result<&'a mut T, String>;
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Valuable` is never used
[INFO] [stdout]   --> src/interpreter/types.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait Valuable {
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Object` is never used
[INFO] [stdout]   --> src/interpreter/types.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub trait Object {
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `index_mut` is never used
[INFO] [stdout]  --> src/interpreter/types.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub trait Indexable<T> {
[INFO] [stdout]   |           --------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 8 |     fn index_mut<'a>(&'a mut self, index: usize) -> Result<&'a mut T, String>;
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Valuable` is never used
[INFO] [stdout]   --> src/interpreter/types.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait Valuable {
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Object` is never used
[INFO] [stdout]   --> src/interpreter/types.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub trait Object {
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.51s
[INFO] running `Command { std: "docker" "inspect" "0a8ce1bbab146e7de1493df325b77a29c45b579e52b2b6de12feabf8e5aaf9ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a8ce1bbab146e7de1493df325b77a29c45b579e52b2b6de12feabf8e5aaf9ac", kill_on_drop: false }`
[INFO] [stdout] 0a8ce1bbab146e7de1493df325b77a29c45b579e52b2b6de12feabf8e5aaf9ac