[INFO] fetching crate duckbubble 0.1.2...
[INFO] checking duckbubble-0.1.2 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate duckbubble 0.1.2 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate duckbubble 0.1.2 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 duckbubble 0.1.2
[INFO] finished tweaking crates.io crate duckbubble 0.1.2
[INFO] tweaked toml for crates.io crate duckbubble 0.1.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate duckbubble 0.1.2 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-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] a4a2ddc263a47ee99a653bc20f2c0c39b8d1e69929d5cf6e8e36b46175837a5f
[INFO] running `Command { std: "docker" "start" "-a" "a4a2ddc263a47ee99a653bc20f2c0c39b8d1e69929d5cf6e8e36b46175837a5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4a2ddc263a47ee99a653bc20f2c0c39b8d1e69929d5cf6e8e36b46175837a5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4a2ddc263a47ee99a653bc20f2c0c39b8d1e69929d5cf6e8e36b46175837a5f", kill_on_drop: false }`
[INFO] [stdout] a4a2ddc263a47ee99a653bc20f2c0c39b8d1e69929d5cf6e8e36b46175837a5f
[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] 0bfa34a99c548ae1dbe84fa56007c4d88088cbd662edf70af774c5352aff5787
[INFO] running `Command { std: "docker" "start" "-a" "0bfa34a99c548ae1dbe84fa56007c4d88088cbd662edf70af774c5352aff5787", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling syn v1.0.100
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Checking duckbubble v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `SeekFrom` and `Seek`
[INFO] [stdout]  --> src/boys.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 |     io::{self, LineWriter, Seek, SeekFrom, Write},
[INFO] [stdout]   |                            ^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `KeywordReader` and `self`
[INFO] [stdout]  --> src/boys.rs:9:25
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::orwritekey::{self, KeywordReader};
[INFO] [stdout]   |                         ^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SeekFrom` and `Seek`
[INFO] [stdout]  --> src/boys.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 |     io::{self, LineWriter, Seek, SeekFrom, Write},
[INFO] [stdout]   |                            ^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `KeywordReader` and `self`
[INFO] [stdout]  --> src/boys.rs:9:25
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::orwritekey::{self, KeywordReader};
[INFO] [stdout]   |                         ^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.71s
[INFO] running `Command { std: "docker" "inspect" "0bfa34a99c548ae1dbe84fa56007c4d88088cbd662edf70af774c5352aff5787", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bfa34a99c548ae1dbe84fa56007c4d88088cbd662edf70af774c5352aff5787", kill_on_drop: false }`
[INFO] [stdout] 0bfa34a99c548ae1dbe84fa56007c4d88088cbd662edf70af774c5352aff5787