[INFO] fetching crate jump 0.1.0...
[INFO] checking jump-0.1.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate jump 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate jump 0.1.0 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jump 0.1.0
[INFO] finished tweaking crates.io crate jump 0.1.0
[INFO] tweaked toml for crates.io crate jump 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57209664e7ca4aa906f4f34f15183eec0ffdd2328733f65e658ee2fea15ed572
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "57209664e7ca4aa906f4f34f15183eec0ffdd2328733f65e658ee2fea15ed572", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57209664e7ca4aa906f4f34f15183eec0ffdd2328733f65e658ee2fea15ed572", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57209664e7ca4aa906f4f34f15183eec0ffdd2328733f65e658ee2fea15ed572", kill_on_drop: false }`
[INFO] [stdout] 57209664e7ca4aa906f4f34f15183eec0ffdd2328733f65e658ee2fea15ed572
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33392ef4a2c844cc88a46a3a88aad2d9f618270988432b279cf200eee3b682be
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "33392ef4a2c844cc88a46a3a88aad2d9f618270988432b279cf200eee3b682be", kill_on_drop: false }`
[INFO] [stderr]    Compiling jump v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stdout] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/lib.rs:30:29
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let mut jump = Jump(mem::uninitialized(), &mut opt_x);
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/lib.rs:30:29
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let mut jump = Jump(mem::uninitialized(), &mut opt_x);
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `opt_y` is never read
[INFO] [stdout]   --> src/lib.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     opt_y = Some(());
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `n_saved_regs` should have an upper case name
[INFO] [stdout]   --> src/lib.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const n_saved_regs: usize = 8;
[INFO] [stdout]    |       ^^^^^^^^^^^^ help: convert the identifier to upper case: `N_SAVED_REGS`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `n_saved_regs` should have an upper case name
[INFO] [stdout]   --> src/lib.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const n_saved_regs: usize = 8;
[INFO] [stdout]    |       ^^^^^^^^^^^^ help: convert the identifier to upper case: `N_SAVED_REGS`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "33392ef4a2c844cc88a46a3a88aad2d9f618270988432b279cf200eee3b682be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33392ef4a2c844cc88a46a3a88aad2d9f618270988432b279cf200eee3b682be", kill_on_drop: false }`
[INFO] [stdout] 33392ef4a2c844cc88a46a3a88aad2d9f618270988432b279cf200eee3b682be