[INFO] fetching crate redact-composer-musical 0.3.4...
[INFO] checking redact-composer-musical-0.3.4 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate redact-composer-musical 0.3.4 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate redact-composer-musical 0.3.4 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 redact-composer-musical 0.3.4
[INFO] finished tweaking crates.io crate redact-composer-musical 0.3.4
[INFO] tweaked toml for crates.io crate redact-composer-musical 0.3.4 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]     Updating crates.io index
[INFO] [stderr]      Locking 36 packages to latest compatible versions
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[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-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] 01ce46252a02cc04377260eedee9dff9d7adcdd8bf6c5829b3a20594ac2f3f26
[INFO] running `Command { std: "docker" "start" "-a" "01ce46252a02cc04377260eedee9dff9d7adcdd8bf6c5829b3a20594ac2f3f26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01ce46252a02cc04377260eedee9dff9d7adcdd8bf6c5829b3a20594ac2f3f26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01ce46252a02cc04377260eedee9dff9d7adcdd8bf6c5829b3a20594ac2f3f26", kill_on_drop: false }`
[INFO] [stdout] 01ce46252a02cc04377260eedee9dff9d7adcdd8bf6c5829b3a20594ac2f3f26
[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] e4db702d31a00e2ba93347e37338ec43be0bb56d4b7d47e4dde5bf86f7c9366a
[INFO] running `Command { std: "docker" "start" "-a" "e4db702d31a00e2ba93347e37338ec43be0bb56d4b7d47e4dde5bf86f7c9366a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking redact-composer-musical v0.3.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/rhythm/mod.rs:466:46
[INFO] [stdout]     |
[INFO] [stdout] 463 |     pub fn iter_over<'a>(
[INFO] [stdout]     |                      -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 466 |     ) -> impl Iterator<Item = Subdivision> + '_ {
[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/rhythm/mod.rs:466:46
[INFO] [stdout]     |
[INFO] [stdout] 463 |     pub fn iter_over<'a>(
[INFO] [stdout]     |                      -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 466 |     ) -> impl Iterator<Item = Subdivision> + '_ {
[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 4.24s
[INFO] running `Command { std: "docker" "inspect" "e4db702d31a00e2ba93347e37338ec43be0bb56d4b7d47e4dde5bf86f7c9366a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4db702d31a00e2ba93347e37338ec43be0bb56d4b7d47e4dde5bf86f7c9366a", kill_on_drop: false }`
[INFO] [stdout] e4db702d31a00e2ba93347e37338ec43be0bb56d4b7d47e4dde5bf86f7c9366a