[INFO] fetching crate tree-rs 0.6.5...
[INFO] checking tree-rs-0.6.5 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate tree-rs 0.6.5 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate tree-rs 0.6.5 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 tree-rs 0.6.5
[INFO] finished tweaking crates.io crate tree-rs 0.6.5
[INFO] tweaked toml for crates.io crate tree-rs 0.6.5 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 41 packages to latest compatible versions
[INFO] [stderr]       Adding ansi_term v0.11.0 (available: v0.12.1)
[INFO] [stderr]       Adding arrayvec v0.5.2 (available: v0.7.6)
[INFO] [stderr]       Adding base64 v0.13.1 (available: v0.22.1)
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.6.0)
[INFO] [stderr]       Adding blake2b_simd v0.5.11 (available: v1.0.2)
[INFO] [stderr]       Adding clap v2.31.2 (available: v2.34.0)
[INFO] [stderr]       Adding constant_time_eq v0.1.5 (available: v0.3.1)
[INFO] [stderr]       Adding dirs v1.0.5 (available: v5.0.1)
[INFO] [stderr]       Adding getrandom v0.1.16 (available: v0.2.15)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (available: v0.4.0)
[INFO] [stderr]       Adding redox_syscall v0.1.57 (available: v0.5.6)
[INFO] [stderr]       Adding redox_users v0.3.5 (available: v0.4.6)
[INFO] [stderr]       Adding rust-argon2 v0.8.3 (available: v2.1.0)
[INFO] [stderr]       Adding strsim v0.7.0 (available: v0.11.1)
[INFO] [stderr]       Adding term v0.5.2 (available: v1.0.0)
[INFO] [stderr]       Adding textwrap v0.9.0 (available: v0.16.1)
[INFO] [stderr]       Adding unicode-width v0.1.14 (available: v0.2.0)
[INFO] [stderr]       Adding wasi v0.9.0+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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 0b1ba901331e2b5f058c483150a1eace4ceab13f803f4dea76617ae595967635
[INFO] running `Command { std: "docker" "start" "-a" "0b1ba901331e2b5f058c483150a1eace4ceab13f803f4dea76617ae595967635", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b1ba901331e2b5f058c483150a1eace4ceab13f803f4dea76617ae595967635", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b1ba901331e2b5f058c483150a1eace4ceab13f803f4dea76617ae595967635", kill_on_drop: false }`
[INFO] [stdout] 0b1ba901331e2b5f058c483150a1eace4ceab13f803f4dea76617ae595967635
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a12a63b062af1fb11991d40e07a2c882735b939123dd9e93731000946fe4a514
[INFO] running `Command { std: "docker" "start" "-a" "a12a63b062af1fb11991d40e07a2c882735b939123dd9e93731000946fe4a514", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking bstr v1.10.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking globset v0.4.15
[INFO] [stderr]     Checking tree-rs v0.6.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.64s
[INFO] running `Command { std: "docker" "inspect" "a12a63b062af1fb11991d40e07a2c882735b939123dd9e93731000946fe4a514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a12a63b062af1fb11991d40e07a2c882735b939123dd9e93731000946fe4a514", kill_on_drop: false }`
[INFO] [stdout] a12a63b062af1fb11991d40e07a2c882735b939123dd9e93731000946fe4a514