[INFO] cloning repository https://github.com/BenWiederhake/noisycols-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BenWiederhake/noisycols-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenWiederhake%2Fnoisycols-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenWiederhake%2Fnoisycols-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f038f89d547b3c75c1ab80e81e196b7b8f3e5d6
[INFO] checking BenWiederhake/noisycols-rs/5f038f89d547b3c75c1ab80e81e196b7b8f3e5d6 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenWiederhake%2Fnoisycols-rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BenWiederhake/noisycols-rs 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] removed /workspace/builds/worker-1-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/BenWiederhake/noisycols-rs
[INFO] finished tweaking git repo https://github.com/BenWiederhake/noisycols-rs
[INFO] tweaked toml for git repo https://github.com/BenWiederhake/noisycols-rs written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/BenWiederhake/noisycols-rs 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-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] 4efacf262d9f8ed86d4eff0544ec8e734f0e49010bb3088acc73b799e8f87589
[INFO] running `Command { std: "docker" "start" "-a" "4efacf262d9f8ed86d4eff0544ec8e734f0e49010bb3088acc73b799e8f87589", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4efacf262d9f8ed86d4eff0544ec8e734f0e49010bb3088acc73b799e8f87589", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4efacf262d9f8ed86d4eff0544ec8e734f0e49010bb3088acc73b799e8f87589", kill_on_drop: false }`
[INFO] [stdout] 4efacf262d9f8ed86d4eff0544ec8e734f0e49010bb3088acc73b799e8f87589
[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] a5e4bd5c8b50d7a4227184bafe3ab4576f69ff44b0a385a9a2386468a47a004c
[INFO] running `Command { std: "docker" "start" "-a" "a5e4bd5c8b50d7a4227184bafe3ab4576f69ff44b0a385a9a2386468a47a004c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking fdeflate v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking png v0.17.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking noisycols-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/main.rs:216:58
[INFO] [stdout]     |
[INFO] [stdout] 215 | impl<'a> Tracer<'a> {
[INFO] [stdout]     |      -- lifetime `'a` declared here
[INFO] [stdout] 216 |     fn new(source: &'a MovingSource, num_arms: usize) -> Tracer {
[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/main.rs:216:58
[INFO] [stdout]     |
[INFO] [stdout] 215 | impl<'a> Tracer<'a> {
[INFO] [stdout]     |      -- lifetime `'a` declared here
[INFO] [stdout] 216 |     fn new(source: &'a MovingSource, num_arms: usize) -> Tracer {
[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: unused variable: `arm`
[INFO] [stdout]    --> src/main.rs:297:26
[INFO] [stdout]     |
[INFO] [stdout] 297 |             for (arm_id, arm) in moving_source.arms.iter().enumerate() {
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_arm`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arm`
[INFO] [stdout]    --> src/main.rs:297:26
[INFO] [stdout]     |
[INFO] [stdout] 297 |             for (arm_id, arm) in moving_source.arms.iter().enumerate() {
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_arm`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.86s
[INFO] running `Command { std: "docker" "inspect" "a5e4bd5c8b50d7a4227184bafe3ab4576f69ff44b0a385a9a2386468a47a004c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5e4bd5c8b50d7a4227184bafe3ab4576f69ff44b0a385a9a2386468a47a004c", kill_on_drop: false }`
[INFO] [stdout] a5e4bd5c8b50d7a4227184bafe3ab4576f69ff44b0a385a9a2386468a47a004c