[INFO] fetching crate goscript-types 0.1.0...
[INFO] checking goscript-types-0.1.0 against try#024378d9203a4009ed73d6db2681b88a8d74ce7a for pr-112160
[INFO] extracting crate goscript-types 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate goscript-types 0.1.0 on toolchain 024378d9203a4009ed73d6db2681b88a8d74ce7a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate goscript-types 0.1.0
[INFO] finished tweaking crates.io crate goscript-types 0.1.0
[INFO] tweaked toml for crates.io crate goscript-types 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f0547071e0f28c3975ea5171a1554447e97dd763df4e3cee4c4bc3f8f16b1d1
[INFO] running `Command { std: "docker" "start" "-a" "9f0547071e0f28c3975ea5171a1554447e97dd763df4e3cee4c4bc3f8f16b1d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f0547071e0f28c3975ea5171a1554447e97dd763df4e3cee4c4bc3f8f16b1d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f0547071e0f28c3975ea5171a1554447e97dd763df4e3cee4c4bc3f8f16b1d1", kill_on_drop: false }`
[INFO] [stdout] 9f0547071e0f28c3975ea5171a1554447e97dd763df4e3cee4c4bc3f8f16b1d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9518201b27b1c4676405038ba0319082c4daf6457af31064e08ffbefdc94fb7b
[INFO] running `Command { std: "docker" "start" "-a" "9518201b27b1c4676405038ba0319082c4daf6457af31064e08ffbefdc94fb7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking slotmap v0.4.3
[INFO] [stderr]     Checking num-traits v0.2.15
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]     Checking goscript-parser v0.1.0
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking ordered-float v2.10.0
[INFO] [stderr]     Checking regex v1.8.3
[INFO] [stderr]     Checking goscript-types v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/check/typexpr.rs:621:61
[INFO] [stdout]     |
[INFO] [stdout] 621 |         if info.is_none() || info.as_ref().unwrap().as_ref().borrow().is_empty() {
[INFO] [stdout]     |                                                             ^^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `IfaceInfo` does not implement `Borrow`, so calling `borrow` on `&IfaceInfo` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[deny(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/check/typexpr.rs:643:55
[INFO] [stdout]     |
[INFO] [stdout] 643 |         let info_ref = info.as_ref().unwrap().as_ref().borrow();
[INFO] [stdout]     |                                                       ^^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `IfaceInfo` does not implement `Borrow`, so calling `borrow` on `&IfaceInfo` copies the reference, which does not do anything and can be removed
[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:702:9
[INFO] [stdout]     |
[INFO] [stdout] 702 |         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] error: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/check/typexpr.rs:621:61
[INFO] [stdout]     |
[INFO] [stdout] 621 |         if info.is_none() || info.as_ref().unwrap().as_ref().borrow().is_empty() {
[INFO] [stdout]     |                                                             ^^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `IfaceInfo` does not implement `Borrow`, so calling `borrow` on `&IfaceInfo` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[deny(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/check/typexpr.rs:643:55
[INFO] [stdout]     |
[INFO] [stdout] 643 |         let info_ref = info.as_ref().unwrap().as_ref().borrow();
[INFO] [stdout]     |                                                       ^^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `IfaceInfo` does not implement `Borrow`, so calling `borrow` on `&IfaceInfo` copies the reference, which does not do anything and can be removed
[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:702:9
[INFO] [stdout]     |
[INFO] [stdout] 702 |         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] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `goscript-types` (lib) due to 3 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `goscript-types` (lib test) due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "9518201b27b1c4676405038ba0319082c4daf6457af31064e08ffbefdc94fb7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9518201b27b1c4676405038ba0319082c4daf6457af31064e08ffbefdc94fb7b", kill_on_drop: false }`
[INFO] [stdout] 9518201b27b1c4676405038ba0319082c4daf6457af31064e08ffbefdc94fb7b