[INFO] fetching crate which 6.0.3...
[INFO] checking which-6.0.3 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate which 6.0.3 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate which 6.0.3 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 which 6.0.3
[INFO] finished tweaking crates.io crate which 6.0.3
[INFO] tweaked toml for crates.io crate which 6.0.3 written to /workspace/builds/worker-6-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]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 31 packages to latest compatible versions
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (available: v0.6.5)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[INFO] [stderr]       Adding winsafe v0.0.19 (available: v0.0.22)
[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-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a66fc754fc8543fb9eaf1cd9dd21e1edb3e0520e56f8cd023b8e57b28b067303
[INFO] running `Command { std: "docker" "start" "-a" "a66fc754fc8543fb9eaf1cd9dd21e1edb3e0520e56f8cd023b8e57b28b067303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a66fc754fc8543fb9eaf1cd9dd21e1edb3e0520e56f8cd023b8e57b28b067303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a66fc754fc8543fb9eaf1cd9dd21e1edb3e0520e56f8cd023b8e57b28b067303", kill_on_drop: false }`
[INFO] [stdout] a66fc754fc8543fb9eaf1cd9dd21e1edb3e0520e56f8cd023b8e57b28b067303
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbffbde7f6bbac5408368690f667331bce66f0ef8b0b54c59dd9da3788535e27
[INFO] running `Command { std: "docker" "start" "-a" "bbffbde7f6bbac5408368690f667331bce66f0ef8b0b54c59dd9da3788535e27", kill_on_drop: false }`
[INFO] [stderr]     Checking home v0.5.9
[INFO] [stderr]     Checking tempfile v3.12.0
[INFO] [stderr]     Checking which v6.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> tests/basic.rs:131:80
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn _which_all<'a, T: AsRef<OsStr> + 'a>(
[INFO] [stdout]     |               -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 131 | ) -> which::Result<impl Iterator<Item = which::Result<which::CanonicalPath>> + '_> {
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "bbffbde7f6bbac5408368690f667331bce66f0ef8b0b54c59dd9da3788535e27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbffbde7f6bbac5408368690f667331bce66f0ef8b0b54c59dd9da3788535e27", kill_on_drop: false }`
[INFO] [stdout] bbffbde7f6bbac5408368690f667331bce66f0ef8b0b54c59dd9da3788535e27