[INFO] fetching crate switcher2 0.1.0... [INFO] checking switcher2-0.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate switcher2 0.1.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate switcher2 0.1.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate switcher2 0.1.0 [INFO] finished tweaking crates.io crate switcher2 0.1.0 [INFO] tweaked toml for crates.io crate switcher2 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate switcher2 0.1.0 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e41ddef8345e4a57908eb4d8df3e1f74cd6dda72e0068380eef8e32008933f48 [INFO] running `Command { std: "docker" "start" "-a" "e41ddef8345e4a57908eb4d8df3e1f74cd6dda72e0068380eef8e32008933f48", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e41ddef8345e4a57908eb4d8df3e1f74cd6dda72e0068380eef8e32008933f48", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e41ddef8345e4a57908eb4d8df3e1f74cd6dda72e0068380eef8e32008933f48", kill_on_drop: false }` [INFO] [stdout] e41ddef8345e4a57908eb4d8df3e1f74cd6dda72e0068380eef8e32008933f48 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9b2f42534cab6863db60f595e778e8e60e4a62d886f0de377a52bcfd5aa12082 [INFO] running `Command { std: "docker" "start" "-a" "9b2f42534cab6863db60f595e778e8e60e4a62d886f0de377a52bcfd5aa12082", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.11 [INFO] [stderr] Compiling libc v0.2.132 [INFO] [stderr] Compiling serde v1.0.144 [INFO] [stderr] Checking once_cell v1.13.1 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Compiling unicode-ident v1.0.3 [INFO] [stderr] Compiling rayon-core v1.9.3 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling serde_json v1.0.85 [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.10 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Checking either v1.8.0 [INFO] [stderr] Checking ryu v1.0.11 [INFO] [stderr] Checking crossbeam-channel v0.5.6 [INFO] [stderr] Compiling rayon v1.5.3 [INFO] [stderr] Compiling serde_derive v1.0.144 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking plotters-backend v0.3.4 [INFO] [stderr] Checking itoa v1.0.3 [INFO] [stderr] Checking crossbeam-deque v0.8.2 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking plotters-svg v0.3.3 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking switcher2 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking plotters v0.3.3 [INFO] [stderr] Checking regex v1.6.0 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.48s [INFO] running `Command { std: "docker" "inspect" "9b2f42534cab6863db60f595e778e8e60e4a62d886f0de377a52bcfd5aa12082", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b2f42534cab6863db60f595e778e8e60e4a62d886f0de377a52bcfd5aa12082", kill_on_drop: false }` [INFO] [stdout] 9b2f42534cab6863db60f595e778e8e60e4a62d886f0de377a52bcfd5aa12082