[INFO] fetching crate compact 0.2.16...
[INFO] checking compact-0.2.16 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate compact 0.2.16 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate compact 0.2.16 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate compact 0.2.16
[INFO] finished tweaking crates.io crate compact 0.2.16
[INFO] tweaked toml for crates.io crate compact 0.2.16 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded primal v0.2.3
[INFO] [stderr]   Downloaded primal-check v0.2.3
[INFO] [stderr]   Downloaded simple_allocator_trait v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d3b9531bbdf430472a58a3a6d0ca3292fec607ed49a452ed28af3bdd60c7c86a
[INFO] running `Command { std: "docker" "start" "-a" "d3b9531bbdf430472a58a3a6d0ca3292fec607ed49a452ed28af3bdd60c7c86a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3b9531bbdf430472a58a3a6d0ca3292fec607ed49a452ed28af3bdd60c7c86a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3b9531bbdf430472a58a3a6d0ca3292fec607ed49a452ed28af3bdd60c7c86a", kill_on_drop: false }`
[INFO] [stdout] d3b9531bbdf430472a58a3a6d0ca3292fec607ed49a452ed28af3bdd60c7c86a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1d77ca0a7c3ec311dca558adf1e96b32a18bc50939e39335394611e485830f5b
[INFO] running `Command { std: "docker" "start" "-a" "1d77ca0a7c3ec311dca558adf1e96b32a18bc50939e39335394611e485830f5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking simple_allocator_trait v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking primal-sieve v0.2.9
[INFO] [stderr]     Checking primal-check v0.2.3
[INFO] [stderr]     Checking primal v0.2.3
[INFO] [stderr]     Checking compact v0.2.16 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]   --> src/lib.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | #![feature(specialization)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout]    = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]    = help: consider using `min_specialization` instead, which is more stable and complete
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]   --> src/lib.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | #![feature(specialization)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout]    = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]    = help: consider using `min_specialization` instead, which is more stable and complete
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: casting pointer to `isize`
[INFO] [stdout]   --> src/pointer_to_maybe_compact.rs:49:38
[INFO] [stdout]    |
[INFO] [stdout] 49 |         self.inner = Inner::Compact((ptr as isize - self as *const Self as isize) as i32);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^ help: to cast to `isize`, cast to `usize` first: `ptr as usize as isize`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(invalid_ptr_to_int_cast)]` on by default
[INFO] [stdout]    = help: pointers should only be cast to `usize` or `u64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: casting pointer to `isize`
[INFO] [stdout]   --> src/pointer_to_maybe_compact.rs:49:53
[INFO] [stdout]    |
[INFO] [stdout] 49 |         self.inner = Inner::Compact((ptr as isize - self as *const Self as isize) as i32);
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: to cast to `isize`, cast to `usize` first: `self as *const Self as usize as isize`
[INFO] [stdout]    |
[INFO] [stdout]    = help: pointers should only be cast to `usize` or `u64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: casting pointer to `isize`
[INFO] [stdout]   --> src/pointer_to_maybe_compact.rs:49:38
[INFO] [stdout]    |
[INFO] [stdout] 49 |         self.inner = Inner::Compact((ptr as isize - self as *const Self as isize) as i32);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^ help: to cast to `isize`, cast to `usize` first: `ptr as usize as isize`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(invalid_ptr_to_int_cast)]` on by default
[INFO] [stdout]    = help: pointers should only be cast to `usize` or `u64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: casting pointer to `isize`
[INFO] [stdout]   --> src/pointer_to_maybe_compact.rs:49:53
[INFO] [stdout]    |
[INFO] [stdout] 49 |         self.inner = Inner::Compact((ptr as isize - self as *const Self as isize) as i32);
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: to cast to `isize`, cast to `usize` first: `self as *const Self as usize as isize`
[INFO] [stdout]    |
[INFO] [stdout]    = help: pointers should only be cast to `usize` or `u64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `compact`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1d77ca0a7c3ec311dca558adf1e96b32a18bc50939e39335394611e485830f5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d77ca0a7c3ec311dca558adf1e96b32a18bc50939e39335394611e485830f5b", kill_on_drop: false }`
[INFO] [stdout] 1d77ca0a7c3ec311dca558adf1e96b32a18bc50939e39335394611e485830f5b