[INFO] fetching crate pi_pointer 0.1.0... [INFO] building pi_pointer-0.1.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1 [INFO] extracting crate pi_pointer 0.1.0 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate pi_pointer 0.1.0 [INFO] finished tweaking crates.io crate pi_pointer 0.1.0 [INFO] tweaked toml for crates.io crate pi_pointer 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate pi_pointer 0.1.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 2 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 80120adddcc220b3dedf33a8f73bd912ac7867899839e0b71d927fb8348ed9f4 [INFO] running `Command { std: "docker" "start" "-a" "80120adddcc220b3dedf33a8f73bd912ac7867899839e0b71d927fb8348ed9f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "80120adddcc220b3dedf33a8f73bd912ac7867899839e0b71d927fb8348ed9f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "80120adddcc220b3dedf33a8f73bd912ac7867899839e0b71d927fb8348ed9f4", kill_on_drop: false }` [INFO] [stdout] 80120adddcc220b3dedf33a8f73bd912ac7867899839e0b71d927fb8348ed9f4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 43c85724adf764cd2b9a4832f43455b955cd8428091f05f1864a5c857ffd58e7 [INFO] running `Command { std: "docker" "start" "-a" "43c85724adf764cd2b9a4832f43455b955cd8428091f05f1864a5c857ffd58e7", kill_on_drop: false }` [INFO] [stderr] Compiling pi_slab v0.1.0 [INFO] [stderr] Compiling pi_pointer v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.50s [INFO] running `Command { std: "docker" "inspect" "43c85724adf764cd2b9a4832f43455b955cd8428091f05f1864a5c857ffd58e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "43c85724adf764cd2b9a4832f43455b955cd8428091f05f1864a5c857ffd58e7", kill_on_drop: false }` [INFO] [stdout] 43c85724adf764cd2b9a4832f43455b955cd8428091f05f1864a5c857ffd58e7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5158f6e9abc62cd87cc81e64c81a258d6d3d42fad08fbe6c4264410c6f48950f [INFO] running `Command { std: "docker" "start" "-a" "5158f6e9abc62cd87cc81e64c81a258d6d3d42fad08fbe6c4264410c6f48950f", kill_on_drop: false }` [INFO] [stderr] Compiling pi_pointer v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/rc.rs:54:25 [INFO] [stdout] | [INFO] [stdout] 54 | let mut inner = unsafe{(&mut *(* $container as *mut $crate::rc::Slab<$crate::rc::Inner<$elem>>)).get_unchecked_mut(se... [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 119 | rc!(RCA, A, _RC_SLAB); [INFO] [stdout] | --------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] = note: this warning originates in the macro `rc` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s [INFO] running `Command { std: "docker" "inspect" "5158f6e9abc62cd87cc81e64c81a258d6d3d42fad08fbe6c4264410c6f48950f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5158f6e9abc62cd87cc81e64c81a258d6d3d42fad08fbe6c4264410c6f48950f", kill_on_drop: false }` [INFO] [stdout] 5158f6e9abc62cd87cc81e64c81a258d6d3d42fad08fbe6c4264410c6f48950f