[INFO] fetching crate alkahest 0.3.0...
[INFO] checking alkahest-0.3.0 against try#024378d9203a4009ed73d6db2681b88a8d74ce7a for pr-112160
[INFO] extracting crate alkahest 0.3.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate alkahest 0.3.0 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 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-2-tc2/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" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 590d62c5d3871b3ab928747ac9c2cd9ee80b607eaee1085b303740ae8aad89a7
[INFO] running `Command { std: "docker" "start" "-a" "590d62c5d3871b3ab928747ac9c2cd9ee80b607eaee1085b303740ae8aad89a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "590d62c5d3871b3ab928747ac9c2cd9ee80b607eaee1085b303740ae8aad89a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "590d62c5d3871b3ab928747ac9c2cd9ee80b607eaee1085b303740ae8aad89a7", kill_on_drop: false }`
[INFO] [stdout] 590d62c5d3871b3ab928747ac9c2cd9ee80b607eaee1085b303740ae8aad89a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b19b02fd4c8a618e05751f575e2a7ca40b073694e703cee98e7b5735405ff664
[INFO] running `Command { std: "docker" "start" "-a" "b19b02fd4c8a618e05751f575e2a7ca40b073694e703cee98e7b5735405ff664", 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] error: 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]     |                                                        ^^^^^^^^^ unnecessary method 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: `#[deny(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `alkahest` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b19b02fd4c8a618e05751f575e2a7ca40b073694e703cee98e7b5735405ff664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b19b02fd4c8a618e05751f575e2a7ca40b073694e703cee98e7b5735405ff664", kill_on_drop: false }`
[INFO] [stdout] b19b02fd4c8a618e05751f575e2a7ca40b073694e703cee98e7b5735405ff664