[INFO] updating cached repository https://github.com/JaniM/stgolf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eeb1befec89351206020255731d0ad4344a593a4
[INFO] checking JaniM/stgolf/eeb1befec89351206020255731d0ad4344a593a4 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%2FJaniM%2Fstgolf" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JaniM/stgolf 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/JaniM/stgolf
[INFO] finished tweaking git repo https://github.com/JaniM/stgolf
[INFO] tweaked toml for git repo https://github.com/JaniM/stgolf written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/JaniM/stgolf 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] 7ddcba9cd7ab22d93477274812f3d8f1c2ec8b2507fe86afa0f5bef35c033930
[INFO] running `Command { std: "docker" "start" "-a" "7ddcba9cd7ab22d93477274812f3d8f1c2ec8b2507fe86afa0f5bef35c033930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ddcba9cd7ab22d93477274812f3d8f1c2ec8b2507fe86afa0f5bef35c033930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ddcba9cd7ab22d93477274812f3d8f1c2ec8b2507fe86afa0f5bef35c033930", kill_on_drop: false }`
[INFO] [stdout] 7ddcba9cd7ab22d93477274812f3d8f1c2ec8b2507fe86afa0f5bef35c033930
[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] 8155c80607b7d0a8188e20e477bd5dfbbab49f5c706f56176b403b7f3f858f4f
[INFO] running `Command { std: "docker" "start" "-a" "8155c80607b7d0a8188e20e477bd5dfbbab49f5c706f56176b403b7f3f858f4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.40
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling derivative v1.0.2
[INFO] [stderr]     Checking stgolf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test, slice_patterns)]
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test, slice_patterns)]
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/main.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 81 | struct ExprDecl {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 82 |     name: &'static str,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExprDecl` 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/main.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 81 | struct ExprDecl {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 82 |     name: &'static str,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExprDecl` 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.29s
[INFO] running `Command { std: "docker" "inspect" "8155c80607b7d0a8188e20e477bd5dfbbab49f5c706f56176b403b7f3f858f4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8155c80607b7d0a8188e20e477bd5dfbbab49f5c706f56176b403b7f3f858f4f", kill_on_drop: false }`
[INFO] [stdout] 8155c80607b7d0a8188e20e477bd5dfbbab49f5c706f56176b403b7f3f858f4f