[INFO] cloning repository https://github.com/HorseXInsectCoder/concurrency
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HorseXInsectCoder/concurrency" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHorseXInsectCoder%2Fconcurrency", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHorseXInsectCoder%2Fconcurrency'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 53eed18c021d9005ec9115cbcc1afcb8285f2f31
[INFO] checking HorseXInsectCoder/concurrency/53eed18c021d9005ec9115cbcc1afcb8285f2f31 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%2FHorseXInsectCoder%2Fconcurrency" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HorseXInsectCoder/concurrency 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 git repo https://github.com/HorseXInsectCoder/concurrency
[INFO] finished tweaking git repo https://github.com/HorseXInsectCoder/concurrency
[INFO] tweaked toml for git repo https://github.com/HorseXInsectCoder/concurrency written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/HorseXInsectCoder/concurrency 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e94b32b77129fbb971c0e08523981d4cbd8d3d3c74643474693680dd36e11624
[INFO] running `Command { std: "docker" "start" "-a" "e94b32b77129fbb971c0e08523981d4cbd8d3d3c74643474693680dd36e11624", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e94b32b77129fbb971c0e08523981d4cbd8d3d3c74643474693680dd36e11624", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e94b32b77129fbb971c0e08523981d4cbd8d3d3c74643474693680dd36e11624", kill_on_drop: false }`
[INFO] [stdout] e94b32b77129fbb971c0e08523981d4cbd8d3d3c74643474693680dd36e11624
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2a01990750d8a886a87703bca8315b0aa7645497faeacdb36b7a84f59e818bcd
[INFO] running `Command { std: "docker" "start" "-a" "2a01990750d8a886a87703bca8315b0aa7645497faeacdb36b7a84f59e818bcd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling cc v1.1.8
[INFO] [stderr]     Checking bytes v1.7.1
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling openssl v0.10.66
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]    Compiling serde v1.0.205
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]    Compiling httparse v1.9.4
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking tinyvec v1.8.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking try-lock v0.2.5
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]     Checking httpdate v1.0.3
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]     Checking base64 v0.21.7
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]     Checking encoding_rs v0.8.34
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking sync_wrapper v0.1.2
[INFO] [stderr]     Checking ipnet v2.9.0
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]     Checking oneshot v0.1.8
[INFO] [stderr]     Checking rustls-pemfile v1.0.4
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]     Checking indexmap v2.3.0
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]    Compiling openssl-sys v0.9.103
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking mio v1.0.1
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking url v2.5.2
[INFO] [stderr]     Checking dashmap v6.0.1
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.205
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking tokio v1.39.2
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[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 tokio-util v0.7.11
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.3.26
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_json v1.0.122
[INFO] [stderr]     Checking hyper v0.14.30
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.27
[INFO] [stderr]     Checking concurrency v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.63s
[INFO] running `Command { std: "docker" "inspect" "2a01990750d8a886a87703bca8315b0aa7645497faeacdb36b7a84f59e818bcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a01990750d8a886a87703bca8315b0aa7645497faeacdb36b7a84f59e818bcd", kill_on_drop: false }`
[INFO] [stdout] 2a01990750d8a886a87703bca8315b0aa7645497faeacdb36b7a84f59e818bcd