[INFO] cloning repository https://github.com/nautilus-fuzz/nautilus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nautilus-fuzz/nautilus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnautilus-fuzz%2Fnautilus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnautilus-fuzz%2Fnautilus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a132369adf694620a8f8527359ce4a1b955cb393
[INFO] checking nautilus-fuzz/nautilus against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnautilus-fuzz%2Fnautilus" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nautilus-fuzz/nautilus 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] removed /workspace/builds/worker-4/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/nautilus-fuzz/nautilus
[INFO] finished tweaking git repo https://github.com/nautilus-fuzz/nautilus
[INFO] tweaked toml for git repo https://github.com/nautilus-fuzz/nautilus written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/nautilus-fuzz/nautilus already has a lockfile, it will not be regenerated
[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 paste v0.1.7
[INFO] [stderr]   Downloaded indoc-impl v0.3.4
[INFO] [stderr]   Downloaded indoc v0.3.4
[INFO] [stderr]   Downloaded snafu-derive v0.6.8
[INFO] [stderr]   Downloaded ctor v0.1.13
[INFO] [stderr]   Downloaded paste-impl v0.1.7
[INFO] [stderr]   Downloaded unindent v0.1.5
[INFO] [stderr]   Downloaded snafu v0.6.8
[INFO] [stderr]   Downloaded pyo3-derive-backend v0.10.1
[INFO] [stderr]   Downloaded timeout-readwrite v0.3.1
[INFO] [stderr]   Downloaded hash_by_ref v0.1.0
[INFO] [stderr]   Downloaded loaded_dice v0.2.1
[INFO] [stderr]   Downloaded pyo3 v0.10.1
[INFO] [stderr]   Downloaded subprocess v0.2.4
[INFO] [stderr]   Downloaded pyo3cls v0.10.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] e8c3d1c24f74e971c3b174c4fc0eb3cf5be32db3cf4526c4d07b7cf31c17ec16
[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" "e8c3d1c24f74e971c3b174c4fc0eb3cf5be32db3cf4526c4d07b7cf31c17ec16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8c3d1c24f74e971c3b174c4fc0eb3cf5be32db3cf4526c4d07b7cf31c17ec16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8c3d1c24f74e971c3b174c4fc0eb3cf5be32db3cf4526c4d07b7cf31c17ec16", kill_on_drop: false }`
[INFO] [stdout] e8c3d1c24f74e971c3b174c4fc0eb3cf5be32db3cf4526c4d07b7cf31c17ec16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] b8c9063ac6468003fa6b6722bae7295d37229656bdaaf3c6ad98584e7321b11a
[INFO] running `Command { std: "docker" "start" "-a" "b8c9063ac6468003fa6b6722bae7295d37229656bdaaf3c6ad98584e7321b11a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling unindent v0.1.5
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]     Checking hash_by_ref v0.1.0
[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]     Checking regex_mutator v0.1.0 (/opt/rustwide/workdir/regex_mutator)
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling pyo3 v0.10.1
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking subprocess v0.2.4
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking loaded_dice v0.2.1
[INFO] [stderr]     Checking timeout-readwrite v0.3.1
[INFO] [stderr]    Compiling pyo3-derive-backend v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling proc-macro-hack v0.5.12
[INFO] [stderr]    Compiling snafu-derive v0.6.8
[INFO] [stderr]    Compiling inventory-impl v0.1.5
[INFO] [stderr]    Compiling ctor v0.1.13
[INFO] [stderr]    Compiling ghost v0.1.1
[INFO] [stderr]    Compiling pyo3cls v0.10.1
[INFO] [stderr]    Compiling indoc-impl v0.3.4
[INFO] [stderr]    Compiling paste-impl v0.1.7
[INFO] [stderr]     Checking inventory v0.1.5
[INFO] [stderr]     Checking indoc v0.3.4
[INFO] [stderr]     Checking paste v0.1.7
[INFO] [stderr]     Checking snafu v0.6.8
[INFO] [stderr]     Checking forksrv v0.1.0 (/opt/rustwide/workdir/forksrv)
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking ron v0.5.1
[INFO] [stdout] error: casting pointer to `isize`
[INFO] [stdout]    --> forksrv/src/lib.rs:210:16
[INFO] [stdout]     |
[INFO] [stdout] 210 |             if (trace_bits as isize) < 0 {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^ help: to cast to `isize`, cast to `usize` first: `trace_bits 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]    --> forksrv/src/lib.rs:210:16
[INFO] [stdout]     |
[INFO] [stdout] 210 |             if (trace_bits as isize) < 0 {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^ help: to cast to `isize`, cast to `usize` first: `trace_bits 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: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `forksrv`
[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 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b8c9063ac6468003fa6b6722bae7295d37229656bdaaf3c6ad98584e7321b11a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8c9063ac6468003fa6b6722bae7295d37229656bdaaf3c6ad98584e7321b11a", kill_on_drop: false }`
[INFO] [stdout] b8c9063ac6468003fa6b6722bae7295d37229656bdaaf3c6ad98584e7321b11a