[INFO] fetching crate cntr 1.5.1...
[INFO] checking cntr-1.5.1 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate cntr 1.5.1 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate cntr 1.5.1 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cntr 1.5.1
[INFO] finished tweaking crates.io crate cntr 1.5.1
[INFO] tweaked toml for crates.io crate cntr 1.5.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate cntr 1.5.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f01383a8434c2b333fa771f4861095c1a170a49c40c15b39a57f6494055a74b1
[INFO] running `Command { std: "docker" "start" "-a" "f01383a8434c2b333fa771f4861095c1a170a49c40c15b39a57f6494055a74b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f01383a8434c2b333fa771f4861095c1a170a49c40c15b39a57f6494055a74b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f01383a8434c2b333fa771f4861095c1a170a49c40c15b39a57f6494055a74b1", kill_on_drop: false }`
[INFO] [stdout] f01383a8434c2b333fa771f4861095c1a170a49c40c15b39a57f6494055a74b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cd5cfcd32bb49bfa1f86ed9180e4ad094230bef0808213e6549722db41c4e7d
[INFO] running `Command { std: "docker" "start" "-a" "2cd5cfcd32bb49bfa1f86ed9180e4ad094230bef0808213e6549722db41c4e7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking cntr-fuse-abi v0.4.1
[INFO] [stderr]     Checking spin v0.4.10
[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking concurrent-hashmap v0.2.2
[INFO] [stderr]    Compiling cntr-fuse-sys v0.4.1
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking cntr-fuse v0.4.1
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking cntr v1.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the type `cap_user_header_t` does not permit being left uninitialized
[INFO] [stdout]   --> src/capabilities.rs:62:46
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let header: cap_user_header_t = unsafe { mem::MaybeUninit::uninit().assume_init() };
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                              |
[INFO] [stdout]    |                                              this code causes undefined behavior when executed
[INFO] [stdout]    |                                              help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]   --> src/capabilities.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     version: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `cap_user_header_t` does not permit being left uninitialized
[INFO] [stdout]   --> src/capabilities.rs:62:46
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let header: cap_user_header_t = unsafe { mem::MaybeUninit::uninit().assume_init() };
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                              |
[INFO] [stdout]    |                                              this code causes undefined behavior when executed
[INFO] [stdout]    |                                              help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]   --> src/capabilities.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     version: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(invalid_value)]` 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 3.44s
[INFO] running `Command { std: "docker" "inspect" "2cd5cfcd32bb49bfa1f86ed9180e4ad094230bef0808213e6549722db41c4e7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cd5cfcd32bb49bfa1f86ed9180e4ad094230bef0808213e6549722db41c4e7d", kill_on_drop: false }`
[INFO] [stdout] 2cd5cfcd32bb49bfa1f86ed9180e4ad094230bef0808213e6549722db41c4e7d
