[INFO] fetching crate linux-info 0.1.16...
[INFO] checking linux-info-0.1.16 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate linux-info 0.1.16 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate linux-info 0.1.16 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 linux-info 0.1.16
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate linux-info 0.1.16
[INFO] tweaked toml for crates.io crate linux-info 0.1.16 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate linux-info 0.1.16 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ca4363242a7844d7efb7e14d4153e59ffd72f9ca97abf1ce5cc144cb3314171
[INFO] running `Command { std: "docker" "start" "-a" "0ca4363242a7844d7efb7e14d4153e59ffd72f9ca97abf1ce5cc144cb3314171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ca4363242a7844d7efb7e14d4153e59ffd72f9ca97abf1ce5cc144cb3314171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ca4363242a7844d7efb7e14d4153e59ffd72f9ca97abf1ce5cc144cb3314171", kill_on_drop: false }`
[INFO] [stdout] 0ca4363242a7844d7efb7e14d4153e59ffd72f9ca97abf1ce5cc144cb3314171
[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 -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] c53d3e8cc33fa63431723370118aec5e11061ead14633739fc966b9b4b6add07
[INFO] running `Command { std: "docker" "start" "-a" "c53d3e8cc33fa63431723370118aec5e11061ead14633739fc966b9b4b6add07", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.113
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking byte-parser v0.2.2
[INFO] [stderr]     Checking simple-bytes v0.2.14
[INFO] [stderr]     Checking linux-info v0.1.16 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/system.rs:302:31
[INFO] [stdout]     |
[INFO] [stdout] 300 |     pub fn values<'a>(&'a self) -> impl Iterator<Item=(
[INFO] [stdout]     |                   -- lifetime `'a` declared here
[INFO] [stdout] 301 |         &'a str,
[INFO] [stdout] 302 |         impl Iterator<Item=usize> + '_
[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/system.rs:302:31
[INFO] [stdout]     |
[INFO] [stdout] 300 |     pub fn values<'a>(&'a self) -> impl Iterator<Item=(
[INFO] [stdout]     |                   -- lifetime `'a` declared here
[INFO] [stdout] 301 |         &'a str,
[INFO] [stdout] 302 |         impl Iterator<Item=usize> + '_
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `Command { std: "docker" "inspect" "c53d3e8cc33fa63431723370118aec5e11061ead14633739fc966b9b4b6add07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c53d3e8cc33fa63431723370118aec5e11061ead14633739fc966b9b4b6add07", kill_on_drop: false }`
[INFO] [stdout] c53d3e8cc33fa63431723370118aec5e11061ead14633739fc966b9b4b6add07