[INFO] fetching crate go-types 0.1.1...
[INFO] checking go-types-0.1.1 against master#e4106065bf1bb515935d5d024e8d9c86454e2b22 for pr-112160
[INFO] extracting crate go-types 0.1.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate go-types 0.1.1 on toolchain e4106065bf1bb515935d5d024e8d9c86454e2b22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate go-types 0.1.1
[INFO] finished tweaking crates.io crate go-types 0.1.1
[INFO] tweaked toml for crates.io crate go-types 0.1.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded go-parser v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf25401cf34fe750251cf735851980b5e0c66656ad64b2ff8ebcf073492eef2f
[INFO] running `Command { std: "docker" "start" "-a" "bf25401cf34fe750251cf735851980b5e0c66656ad64b2ff8ebcf073492eef2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf25401cf34fe750251cf735851980b5e0c66656ad64b2ff8ebcf073492eef2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf25401cf34fe750251cf735851980b5e0c66656ad64b2ff8ebcf073492eef2f", kill_on_drop: false }`
[INFO] [stdout] bf25401cf34fe750251cf735851980b5e0c66656ad64b2ff8ebcf073492eef2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b75311b407a846ad9bbecd48b5b8859285e4df309cdc3df7c0d998e0c7c91fb
[INFO] running `Command { std: "docker" "start" "-a" "1b75311b407a846ad9bbecd48b5b8859285e4df309cdc3df7c0d998e0c7c91fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking go-parser v0.1.0
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]     Checking ordered-float v3.7.0
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]     Checking go-types v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex v1.8.3
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/check/typexpr.rs:713:9
[INFO] [stdout]     |
[INFO] [stdout] 713 |         drop(info_ref);
[INFO] [stdout]     |         ^^^^^--------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&IfaceInfo`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/check/typexpr.rs:713:9
[INFO] [stdout]     |
[INFO] [stdout] 713 |         drop(info_ref);
[INFO] [stdout]     |         ^^^^^--------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&IfaceInfo`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.21s
[INFO] running `Command { std: "docker" "inspect" "1b75311b407a846ad9bbecd48b5b8859285e4df309cdc3df7c0d998e0c7c91fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b75311b407a846ad9bbecd48b5b8859285e4df309cdc3df7c0d998e0c7c91fb", kill_on_drop: false }`
[INFO] [stdout] 1b75311b407a846ad9bbecd48b5b8859285e4df309cdc3df7c0d998e0c7c91fb