[INFO] fetching crate x3 0.3.0...
[INFO] checking x3-0.3.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate x3 0.3.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate x3 0.3.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config
[INFO] started tweaking crates.io crate x3 0.3.0
[INFO] finished tweaking crates.io crate x3 0.3.0
[INFO] tweaked toml for crates.io crate x3 0.3.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate x3 0.3.0 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2957d0466a355fd24a3367c2a0f6d5b2a8b7b8b613cfd143e9bd099c3c948e5
[INFO] running `Command { std: "docker" "start" "-a" "d2957d0466a355fd24a3367c2a0f6d5b2a8b7b8b613cfd143e9bd099c3c948e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2957d0466a355fd24a3367c2a0f6d5b2a8b7b8b613cfd143e9bd099c3c948e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2957d0466a355fd24a3367c2a0f6d5b2a8b7b8b613cfd143e9bd099c3c948e5", kill_on_drop: false }`
[INFO] [stdout] d2957d0466a355fd24a3367c2a0f6d5b2a8b7b8b613cfd143e9bd099c3c948e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46da6011d20e91b609c5cfce62bbcc4c3b1fe9064d40985ab05bacbeeb35e7c2
[INFO] running `Command { std: "docker" "start" "-a" "46da6011d20e91b609c5cfce62bbcc4c3b1fe9064d40985ab05bacbeeb35e7c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking quick-xml v0.18.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking clap v2.33.2
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking x3 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/bitpacker.rs:53:40
[INFO] [stdout]    |
[INFO] [stdout] 52 | impl<'a> BitPacker<'a> {
[INFO] [stdout]    |      -- lifetime `'a` declared here
[INFO] [stdout] 53 |     pub fn new(array: &'a mut [u8]) -> BitPacker {
[INFO] [stdout]    |                                        ^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/bytereader.rs:46:34
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl<'a> ByteReader<'a> {
[INFO] [stdout]    |      -- lifetime `'a` declared here
[INFO] [stdout] 46 |   pub fn new(array: &'a [u8]) -> ByteReader {
[INFO] [stdout]    |                                  ^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/bitpacker.rs:53:40
[INFO] [stdout]    |
[INFO] [stdout] 52 | impl<'a> BitPacker<'a> {
[INFO] [stdout]    |      -- lifetime `'a` declared here
[INFO] [stdout] 53 |     pub fn new(array: &'a mut [u8]) -> BitPacker {
[INFO] [stdout]    |                                        ^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/bytereader.rs:46:34
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl<'a> ByteReader<'a> {
[INFO] [stdout]    |      -- lifetime `'a` declared here
[INFO] [stdout] 46 |   pub fn new(array: &'a [u8]) -> ByteReader {
[INFO] [stdout]    |                                  ^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.01s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: quick-xml v0.18.1
[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" "46da6011d20e91b609c5cfce62bbcc4c3b1fe9064d40985ab05bacbeeb35e7c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46da6011d20e91b609c5cfce62bbcc4c3b1fe9064d40985ab05bacbeeb35e7c2", kill_on_drop: false }`
[INFO] [stdout] 46da6011d20e91b609c5cfce62bbcc4c3b1fe9064d40985ab05bacbeeb35e7c2