[INFO] fetching crate applejack 0.2.1...
[INFO] checking applejack-0.2.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate applejack 0.2.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate applejack 0.2.1 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate applejack 0.2.1
[INFO] finished tweaking crates.io crate applejack 0.2.1
[INFO] tweaked toml for crates.io crate applejack 0.2.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 071817a2401fe906223175a3605217cc0ee244e2f69fd028aba9ba042b432ac8
[INFO] running `Command { std: "docker" "start" "-a" "071817a2401fe906223175a3605217cc0ee244e2f69fd028aba9ba042b432ac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "071817a2401fe906223175a3605217cc0ee244e2f69fd028aba9ba042b432ac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "071817a2401fe906223175a3605217cc0ee244e2f69fd028aba9ba042b432ac8", kill_on_drop: false }`
[INFO] [stdout] 071817a2401fe906223175a3605217cc0ee244e2f69fd028aba9ba042b432ac8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ff4d400911d6e3708adc24a2c80c6130215af45b9b7cd2be9159fc829468b12
[INFO] running `Command { std: "docker" "start" "-a" "6ff4d400911d6e3708adc24a2c80c6130215af45b9b7cd2be9159fc829468b12", kill_on_drop: false }`
[INFO] [stderr]     Checking applejack v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/lib.rs:159:71
[INFO] [stdout]     |
[INFO] [stdout] 159 |     fn find_node<'this, 'key>(&'this self, key: &'key [u8]) -> Option<&RaxNode<T>> {
[INFO] [stdout]     |                  ----- lifetime `'this` declared here                 ^ this elided lifetime gets resolved as `'this`
[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/lib.rs:159:71
[INFO] [stdout]     |
[INFO] [stdout] 159 |     fn find_node<'this, 'key>(&'this self, key: &'key [u8]) -> Option<&RaxNode<T>> {
[INFO] [stdout]     |                  ----- lifetime `'this` declared here                 ^ this elided lifetime gets resolved as `'this`
[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/lib.rs:172:79
[INFO] [stdout]     |
[INFO] [stdout] 172 |     fn find_node_mut<'this, 'key>(&'this mut self, key: &'key [u8]) -> Option<&mut RaxNode<T>> {
[INFO] [stdout]     |                      ----- lifetime `'this` declared here                     ^ this elided lifetime gets resolved as `'this`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/lib.rs:172:79
[INFO] [stdout]     |
[INFO] [stdout] 172 |     fn find_node_mut<'this, 'key>(&'this mut self, key: &'key [u8]) -> Option<&mut RaxNode<T>> {
[INFO] [stdout]     |                      ----- lifetime `'this` declared here                     ^ this elided lifetime gets resolved as `'this`
[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 0.15s
[INFO] running `Command { std: "docker" "inspect" "6ff4d400911d6e3708adc24a2c80c6130215af45b9b7cd2be9159fc829468b12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ff4d400911d6e3708adc24a2c80c6130215af45b9b7cd2be9159fc829468b12", kill_on_drop: false }`
[INFO] [stdout] 6ff4d400911d6e3708adc24a2c80c6130215af45b9b7cd2be9159fc829468b12