[INFO] fetching crate burger 0.1.0-rc.1...
[INFO] checking burger-0.1.0-rc.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate burger 0.1.0-rc.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate burger 0.1.0-rc.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 burger 0.1.0-rc.1
[INFO] finished tweaking crates.io crate burger 0.1.0-rc.1
[INFO] tweaked toml for crates.io crate burger 0.1.0-rc.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate burger 0.1.0-rc.1 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 7170eed0dffe95858b11625a835a32bd3d67bb6325a874b5a5e2df80093592ea
[INFO] running `Command { std: "docker" "start" "-a" "7170eed0dffe95858b11625a835a32bd3d67bb6325a874b5a5e2df80093592ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7170eed0dffe95858b11625a835a32bd3d67bb6325a874b5a5e2df80093592ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7170eed0dffe95858b11625a835a32bd3d67bb6325a874b5a5e2df80093592ea", kill_on_drop: false }`
[INFO] [stdout] 7170eed0dffe95858b11625a835a32bd3d67bb6325a874b5a5e2df80093592ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 8d7305ab08e57e19df507c73465bab6c7b7838adf6ee1286a2175727a70caf72
[INFO] running `Command { std: "docker" "start" "-a" "8d7305ab08e57e19df507c73465bab6c7b7838adf6ee1286a2175727a70caf72", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling syn v2.0.57
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tokio-stream v0.1.15
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking burger v0.1.0-rc.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.77s
[INFO] running `Command { std: "docker" "inspect" "8d7305ab08e57e19df507c73465bab6c7b7838adf6ee1286a2175727a70caf72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d7305ab08e57e19df507c73465bab6c7b7838adf6ee1286a2175727a70caf72", kill_on_drop: false }`
[INFO] [stdout] 8d7305ab08e57e19df507c73465bab6c7b7838adf6ee1286a2175727a70caf72