[INFO] cloning repository https://github.com/nopphonyel/simple_linkedlist
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nopphonyel/simple_linkedlist" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnopphonyel%2Fsimple_linkedlist", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnopphonyel%2Fsimple_linkedlist'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f090c0a78eac66d0abc9738cf3f7f9abf0bd38dc
[INFO] checking nopphonyel/simple_linkedlist against master#8424f8e8cdf07010967a57584fd647b30e930d4d for pr-120095
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnopphonyel%2Fsimple_linkedlist" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nopphonyel/simple_linkedlist on toolchain 8424f8e8cdf07010967a57584fd647b30e930d4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nopphonyel/simple_linkedlist
[INFO] finished tweaking git repo https://github.com/nopphonyel/simple_linkedlist
[INFO] tweaked toml for git repo https://github.com/nopphonyel/simple_linkedlist written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nopphonyel/simple_linkedlist 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" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 986459c62e908f44140a3f89b72861c82fc3d02c2774fb0a53cb0ddd7e1dc940
[INFO] running `Command { std: "docker" "start" "-a" "986459c62e908f44140a3f89b72861c82fc3d02c2774fb0a53cb0ddd7e1dc940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "986459c62e908f44140a3f89b72861c82fc3d02c2774fb0a53cb0ddd7e1dc940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "986459c62e908f44140a3f89b72861c82fc3d02c2774fb0a53cb0ddd7e1dc940", kill_on_drop: false }`
[INFO] [stdout] 986459c62e908f44140a3f89b72861c82fc3d02c2774fb0a53cb0ddd7e1dc940
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74313c08102e6bb9c403f761c0a9b48147a4a245d3eab91c8b716f1499bd759d
[INFO] running `Command { std: "docker" "start" "-a" "74313c08102e6bb9c403f761c0a9b48147a4a245d3eab91c8b716f1499bd759d", kill_on_drop: false }`
[INFO] [stderr]     Checking simple_linkedlist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "74313c08102e6bb9c403f761c0a9b48147a4a245d3eab91c8b716f1499bd759d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74313c08102e6bb9c403f761c0a9b48147a4a245d3eab91c8b716f1499bd759d", kill_on_drop: false }`
[INFO] [stdout] 74313c08102e6bb9c403f761c0a9b48147a4a245d3eab91c8b716f1499bd759d
[INFO] checking nopphonyel/simple_linkedlist against try#047472f299946caf090d1b5608ae4bd9f0416256+rustflags=-Ddereferencing_mut_binding for pr-120095
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnopphonyel%2Fsimple_linkedlist" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nopphonyel/simple_linkedlist on toolchain 047472f299946caf090d1b5608ae4bd9f0416256
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nopphonyel/simple_linkedlist
[INFO] finished tweaking git repo https://github.com/nopphonyel/simple_linkedlist
[INFO] tweaked toml for git repo https://github.com/nopphonyel/simple_linkedlist written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/nopphonyel/simple_linkedlist 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" "+047472f299946caf090d1b5608ae4bd9f0416256" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bbb664dcf263b4288ae60f14dce424c74609963774ab92028a2204da9284f31e
[INFO] running `Command { std: "docker" "start" "-a" "bbb664dcf263b4288ae60f14dce424c74609963774ab92028a2204da9284f31e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbb664dcf263b4288ae60f14dce424c74609963774ab92028a2204da9284f31e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbb664dcf263b4288ae60f14dce424c74609963774ab92028a2204da9284f31e", kill_on_drop: false }`
[INFO] [stdout] bbb664dcf263b4288ae60f14dce424c74609963774ab92028a2204da9284f31e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Ddereferencing_mut_binding" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21f2783f14e2014ce3cee1315aaf9ae124583fa1603a2a8e86ac641db3777ebe
[INFO] running `Command { std: "docker" "start" "-a" "21f2783f14e2014ce3cee1315aaf9ae124583fa1603a2a8e86ac641db3777ebe", kill_on_drop: false }`
[INFO] [stderr]     Checking simple_linkedlist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: dereferencing `mut` binding
[INFO] [stdout]   --> src/linkedlist/mod.rs:65:24
[INFO] [stdout]    |
[INFO] [stdout] 65 |         while let Some(mut child) = ptr_print {
[INFO] [stdout]    |                        ^^^^^^^^^ `mut` dereferences the type of this binding
[INFO] [stdout]    |
[INFO] [stdout] help: this will change in edition 2024
[INFO] [stdout]   --> src/linkedlist/mod.rs:65:24
[INFO] [stdout]    |
[INFO] [stdout] 65 |         while let Some(mut child) = ptr_print {
[INFO] [stdout]    |                        ^^^^^^^^^
[INFO] [stdout]    = note: requested on the command line with `-D dereferencing-mut-binding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: dereferencing `mut` binding
[INFO] [stdout]   --> src/linkedlist/mod.rs:65:24
[INFO] [stdout]    |
[INFO] [stdout] 65 |         while let Some(mut child) = ptr_print {
[INFO] [stdout]    |                        ^^^^^^^^^ `mut` dereferences the type of this binding
[INFO] [stdout]    |
[INFO] [stdout] help: this will change in edition 2024
[INFO] [stdout]   --> src/linkedlist/mod.rs:65:24
[INFO] [stdout]    |
[INFO] [stdout] 65 |         while let Some(mut child) = ptr_print {
[INFO] [stdout]    |                        ^^^^^^^^^
[INFO] [stdout]    = note: requested on the command line with `-D dereferencing-mut-binding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simple_linkedlist` (bin "simple_linkedlist") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simple_linkedlist` (bin "simple_linkedlist" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "21f2783f14e2014ce3cee1315aaf9ae124583fa1603a2a8e86ac641db3777ebe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21f2783f14e2014ce3cee1315aaf9ae124583fa1603a2a8e86ac641db3777ebe", kill_on_drop: false }`
[INFO] [stdout] 21f2783f14e2014ce3cee1315aaf9ae124583fa1603a2a8e86ac641db3777ebe