[INFO] fetching crate rlxc 0.1.0...
[INFO] checking rlxc-0.1.0 against master#f167efad2f51088d86180ee89177b3d7c9e7c2f5 for pr-129543
[INFO] extracting crate rlxc 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate rlxc 0.1.0 on toolchain f167efad2f51088d86180ee89177b3d7c9e7c2f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate rlxc 0.1.0
[INFO] finished tweaking crates.io crate rlxc 0.1.0
[INFO] tweaked toml for crates.io crate rlxc 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate rlxc 0.1.0 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" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lxc-sys v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 369f7af5b9aadda6435257c0b16f27d7151727a05ca3eecbd55482b5eacdd58f
[INFO] running `Command { std: "docker" "start" "-a" "369f7af5b9aadda6435257c0b16f27d7151727a05ca3eecbd55482b5eacdd58f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "369f7af5b9aadda6435257c0b16f27d7151727a05ca3eecbd55482b5eacdd58f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "369f7af5b9aadda6435257c0b16f27d7151727a05ca3eecbd55482b5eacdd58f", kill_on_drop: false }`
[INFO] [stdout] 369f7af5b9aadda6435257c0b16f27d7151727a05ca3eecbd55482b5eacdd58f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 153ef895965aedc84bad6b429c1d36f904950097e554d18c885a01ee597f93d9
[INFO] running `Command { std: "docker" "start" "-a" "153ef895965aedc84bad6b429c1d36f904950097e554d18c885a01ee597f93d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.8.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling rayon v1.4.0
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]    Compiling rlxc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]    Compiling lxc-sys v0.2.1
[INFO] [stdout] warning: returned pointer of `as_ptr` call is never null, so checking it for null will always return false
[INFO] [stdout]   --> src/lxc/mod.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 |     if cstr.as_ptr().is_null() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(useless_ptr_null_checks)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returned pointer of `as_ptr` call is never null, so checking it for null will always return false
[INFO] [stdout]   --> src/lxc/mod.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 |     if cstr.as_ptr().is_null() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(useless_ptr_null_checks)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.51s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cexpr v0.3.6, nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "153ef895965aedc84bad6b429c1d36f904950097e554d18c885a01ee597f93d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "153ef895965aedc84bad6b429c1d36f904950097e554d18c885a01ee597f93d9", kill_on_drop: false }`
[INFO] [stdout] 153ef895965aedc84bad6b429c1d36f904950097e554d18c885a01ee597f93d9