[INFO] cloning repository https://github.com/utam0k/youki
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/utam0k/youki" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Futam0k%2Fyouki", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Futam0k%2Fyouki'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c22f73ef8bdd6cef90c5799c5d10ed55316fb64f
[INFO] checking utam0k/youki against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Futam0k%2Fyouki" "/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/utam0k/youki on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/.cargo/config
[INFO] started tweaking git repo https://github.com/utam0k/youki
[INFO] finished tweaking git repo https://github.com/utam0k/youki
[INFO] tweaked toml for git repo https://github.com/utam0k/youki written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/utam0k/youki already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c12788e4d69b575f211141acbad4b37525635f2945025d28e0d5670a5a99452
[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" "3c12788e4d69b575f211141acbad4b37525635f2945025d28e0d5670a5a99452", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c12788e4d69b575f211141acbad4b37525635f2945025d28e0d5670a5a99452", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c12788e4d69b575f211141acbad4b37525635f2945025d28e0d5670a5a99452", kill_on_drop: false }`
[INFO] [stdout] 3c12788e4d69b575f211141acbad4b37525635f2945025d28e0d5670a5a99452
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8a69167a0e1fc8b8a603351e3195b74364e1175a7e8cd4229ec90f0311f1139
[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" "b8a69167a0e1fc8b8a603351e3195b74364e1175a7e8cd4229ec90f0311f1139", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]    Compiling build-env v0.3.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking foreign-types-shared v0.3.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking utf8-cstr v0.1.6
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking tabwriter v1.2.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking cstr-argument v0.1.1
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]    Compiling libsystemd-sys v0.8.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking nix v0.21.0
[INFO] [stderr]     Checking dbus v0.9.2
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking prctl v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling foreign-types-macros v0.2.1
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling serial_test_derive v0.5.1
[INFO] [stderr]     Checking serial_test v0.5.1
[INFO] [stderr]     Checking foreign-types v0.5.0
[INFO] [stderr]     Checking systemd v0.8.2
[INFO] [stderr]     Checking thiserror v1.0.25
[INFO] [stderr]     Checking caps v0.5.2
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking procfs v0.9.1
[INFO] [stderr]     Checking oci_spec v0.1.0 (/opt/rustwide/workdir/oci_spec)
[INFO] [stderr]     Checking youki v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `pid_int`
[INFO] [stdout]    --> src/cgroups/v1/memory.rs:346:90
[INFO] [stdout]     |
[INFO] [stdout] 346 |         fn property_test_set_memory(linux_memory: LinuxMemory, disable_oom_killer: bool, pid_int: i32) -> bool {
[INFO] [stdout]     |                                                                                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pid_int`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.74s
[INFO] running `Command { std: "docker" "inspect" "b8a69167a0e1fc8b8a603351e3195b74364e1175a7e8cd4229ec90f0311f1139", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8a69167a0e1fc8b8a603351e3195b74364e1175a7e8cd4229ec90f0311f1139", kill_on_drop: false }`
[INFO] [stdout] b8a69167a0e1fc8b8a603351e3195b74364e1175a7e8cd4229ec90f0311f1139