[INFO] fetching crate varies 0.1.1... [INFO] checking varies-0.1.1 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1 [INFO] extracting crate varies 0.1.1 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate varies 0.1.1 [INFO] finished tweaking crates.io crate varies 0.1.1 [INFO] tweaked toml for crates.io crate varies 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate varies 0.1.1 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate varies 0.1.1 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded proc-macro2 v1.0.29 [INFO] [stderr] Downloaded unicode-xid v0.2.2 [INFO] [stderr] Downloaded syn v1.0.77 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 80ba16cee912742d521409fdd53dd7e78fd61949c44432457efbca691b38be1e [INFO] running `Command { std: "docker" "start" "-a" "80ba16cee912742d521409fdd53dd7e78fd61949c44432457efbca691b38be1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "80ba16cee912742d521409fdd53dd7e78fd61949c44432457efbca691b38be1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "80ba16cee912742d521409fdd53dd7e78fd61949c44432457efbca691b38be1e", kill_on_drop: false }` [INFO] [stdout] 80ba16cee912742d521409fdd53dd7e78fd61949c44432457efbca691b38be1e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f9c485de3142a94472f717f4839ad56683bf06770f9568de0a173c0199ceb236 [INFO] running `Command { std: "docker" "start" "-a" "f9c485de3142a94472f717f4839ad56683bf06770f9568de0a173c0199ceb236", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling syn v1.0.77 [INFO] [stderr] Checking unicode-xid v0.2.2 [INFO] [stderr] Checking quote v1.0.9 [INFO] [stderr] Checking varies v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell` [INFO] [stdout] --> src/lib.rs:77:26 [INFO] [stdout] | [INFO] [stdout] 77 | let attrs = unsafe { &mut *(attrs as *const _ as *mut _) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: for more information, visit [INFO] [stdout] = note: `#[deny(invalid_reference_casting)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `varies` (lib test) due to 1 previous error [INFO] [stdout] error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell` [INFO] [stdout] --> src/lib.rs:77:26 [INFO] [stdout] | [INFO] [stdout] 77 | let attrs = unsafe { &mut *(attrs as *const _ as *mut _) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: for more information, visit [INFO] [stdout] = note: `#[deny(invalid_reference_casting)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `varies` (lib) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "f9c485de3142a94472f717f4839ad56683bf06770f9568de0a173c0199ceb236", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9c485de3142a94472f717f4839ad56683bf06770f9568de0a173c0199ceb236", kill_on_drop: false }` [INFO] [stdout] f9c485de3142a94472f717f4839ad56683bf06770f9568de0a173c0199ceb236