[INFO] fetching crate prop_tune_core 0.2.0...
[INFO] testing prop_tune_core-0.2.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate prop_tune_core 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate prop_tune_core 0.2.0
[INFO] finished tweaking crates.io crate prop_tune_core 0.2.0
[INFO] tweaked toml for crates.io crate prop_tune_core 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate prop_tune_core 0.2.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 768c8f5fb51692ba37c4a1d4b713137b34232fb33f1d484feaf0ce40cb179214
[INFO] running `Command { std: "docker" "start" "-a" "768c8f5fb51692ba37c4a1d4b713137b34232fb33f1d484feaf0ce40cb179214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "768c8f5fb51692ba37c4a1d4b713137b34232fb33f1d484feaf0ce40cb179214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "768c8f5fb51692ba37c4a1d4b713137b34232fb33f1d484feaf0ce40cb179214", kill_on_drop: false }`
[INFO] [stdout] 768c8f5fb51692ba37c4a1d4b713137b34232fb33f1d484feaf0ce40cb179214
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34aa6ddc0058f9816c3ae778c28068ae915a7697b98f8cc7c601adfce9597695
[INFO] running `Command { std: "docker" "start" "-a" "34aa6ddc0058f9816c3ae778c28068ae915a7697b98f8cc7c601adfce9597695", kill_on_drop: false }`
[INFO] [stderr]    Compiling prop_tune_core v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/operators.rs:147:45
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         std::mem::swap(&mut (*stream)[i], &mut (*stream)[j])
[INFO] [stdout]     |                                             ^^------^^^^
[INFO] [stdout]     |                                               |
[INFO] [stdout]     |                                               this raw pointer has type `*mut TokenStream`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&mut TokenStream`
[INFO] [stdout]    --> src/operators.rs:147:45
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         std::mem::swap(&mut (*stream)[i], &mut (*stream)[j])
[INFO] [stdout]     |                                             ^^^^^^^^^
[INFO] [stdout]     = note: `#[deny(dangerous_implicit_autorefs)]` on by default
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         std::mem::swap(&mut (&mut (*stream))[i], &mut (*stream)[j])
[INFO] [stdout]     |                                             +++++          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/operators.rs:147:64
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         std::mem::swap(&mut (*stream)[i], &mut (*stream)[j])
[INFO] [stdout]     |                                                                ^^------^^^^
[INFO] [stdout]     |                                                                  |
[INFO] [stdout]     |                                                                  this raw pointer has type `*mut TokenStream`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&mut TokenStream`
[INFO] [stdout]    --> src/operators.rs:147:64
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         std::mem::swap(&mut (*stream)[i], &mut (*stream)[j])
[INFO] [stdout]     |                                                                ^^^^^^^^^
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         std::mem::swap(&mut (*stream)[i], &mut (&mut (*stream))[j])
[INFO] [stdout]     |                                                                +++++          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `prop_tune_core` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "34aa6ddc0058f9816c3ae778c28068ae915a7697b98f8cc7c601adfce9597695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34aa6ddc0058f9816c3ae778c28068ae915a7697b98f8cc7c601adfce9597695", kill_on_drop: false }`
[INFO] [stdout] 34aa6ddc0058f9816c3ae778c28068ae915a7697b98f8cc7c601adfce9597695