[INFO] fetching crate alkahest 0.3.0...
[INFO] checking alkahest-0.3.0 against master#a3f76a26e045a760bb1163b7eab36872985242d5 for pr-130930
[INFO] extracting crate alkahest 0.3.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate alkahest 0.3.0 on toolchain a3f76a26e045a760bb1163b7eab36872985242d5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate alkahest 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate alkahest 0.3.0
[INFO] tweaked toml for crates.io crate alkahest 0.3.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate alkahest 0.3.0 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" "+a3f76a26e045a760bb1163b7eab36872985242d5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.56
[INFO] [stderr]   Downloaded proc-easy v0.3.0
[INFO] [stderr]   Downloaded unicode-ident v1.0.6
[INFO] [stderr]   Downloaded quote v1.0.26
[INFO] [stderr]   Downloaded alkahest-proc v0.3.0
[INFO] [stderr]   Downloaded serde v1.0.152
[INFO] [stderr]   Downloaded syn v2.0.13
[INFO] [stderr]   Downloaded libc v0.2.139
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cac967d079f39fd030d1bd2afa5c81516252df1d91754b6221d5f55d3bc31353
[INFO] running `Command { std: "docker" "start" "-a" "cac967d079f39fd030d1bd2afa5c81516252df1d91754b6221d5f55d3bc31353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cac967d079f39fd030d1bd2afa5c81516252df1d91754b6221d5f55d3bc31353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cac967d079f39fd030d1bd2afa5c81516252df1d91754b6221d5f55d3bc31353", kill_on_drop: false }`
[INFO] [stdout] cac967d079f39fd030d1bd2afa5c81516252df1d91754b6221d5f55d3bc31353
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4e3879855cafe441f5d8f34ad58a550684da74effa02515bda36223672b794f
[INFO] running `Command { std: "docker" "start" "-a" "a4e3879855cafe441f5d8f34ad58a550684da74effa02515bda36223672b794f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking alkahest v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/primitive.rs:160:56
[INFO] [stdout]     |
[INFO] [stdout] 160 |         <u8 as Serialize<u8>>::serialize(u8::from(*self.borrow()), sizes, buffer)
[INFO] [stdout]     |                                                        ^^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `bool` does not implement `Borrow`, so calling `borrow` on `&bool` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/primitive.rs:160:56
[INFO] [stdout]     |
[INFO] [stdout] 160 |         <u8 as Serialize<u8>>::serialize(u8::from(*self.borrow()), sizes, buffer)
[INFO] [stdout]     |                                                        ^^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `bool` does not implement `Borrow`, so calling `borrow` on `&bool` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `Command { std: "docker" "inspect" "a4e3879855cafe441f5d8f34ad58a550684da74effa02515bda36223672b794f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4e3879855cafe441f5d8f34ad58a550684da74effa02515bda36223672b794f", kill_on_drop: false }`
[INFO] [stdout] a4e3879855cafe441f5d8f34ad58a550684da74effa02515bda36223672b794f