[INFO] cloning repository https://github.com/4hiziri/tkfd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/4hiziri/tkfd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4hiziri%2Ftkfd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4hiziri%2Ftkfd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 548cc7c56f42eebc0a9fe0c30f90f5dcad2aec96
[INFO] checking 4hiziri/tkfd against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4hiziri%2Ftkfd" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/4hiziri/tkfd on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/4hiziri/tkfd
[INFO] finished tweaking git repo https://github.com/4hiziri/tkfd
[INFO] tweaked toml for git repo https://github.com/4hiziri/tkfd written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/4hiziri/tkfd already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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] b5b599b515d0d76d66a5213dee1689474cd076a40b05979e50af864313b27f2c
[INFO] running `Command { std: "docker" "start" "-a" "b5b599b515d0d76d66a5213dee1689474cd076a40b05979e50af864313b27f2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5b599b515d0d76d66a5213dee1689474cd076a40b05979e50af864313b27f2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5b599b515d0d76d66a5213dee1689474cd076a40b05979e50af864313b27f2c", kill_on_drop: false }`
[INFO] [stdout] b5b599b515d0d76d66a5213dee1689474cd076a40b05979e50af864313b27f2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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] 1805c7b2aae7784550c8f99828fdd16d460661f5c3be52f832ea1c3b4fa2bb16
[INFO] running `Command { std: "docker" "start" "-a" "1805c7b2aae7784550c8f99828fdd16d460661f5c3be52f832ea1c3b4fa2bb16", kill_on_drop: false }`
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]     Checking termcolor v0.3.5
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking regex-syntax v0.5.0
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking bytes v0.4.6
[INFO] [stderr]     Checking regex v0.2.7
[INFO] [stderr]     Checking env_logger v0.5.4
[INFO] [stderr]     Checking tkfd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/my_ptrace.rs:17:43
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let data: user_regs_struct = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/my_ptrace.rs:17:43
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let data: user_regs_struct = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.17s
[INFO] running `Command { std: "docker" "inspect" "1805c7b2aae7784550c8f99828fdd16d460661f5c3be52f832ea1c3b4fa2bb16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1805c7b2aae7784550c8f99828fdd16d460661f5c3be52f832ea1c3b4fa2bb16", kill_on_drop: false }`
[INFO] [stdout] 1805c7b2aae7784550c8f99828fdd16d460661f5c3be52f832ea1c3b4fa2bb16