[INFO] fetching crate ezconf 0.3.0...
[INFO] checking ezconf-0.3.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate ezconf 0.3.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate ezconf 0.3.0 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 ezconf 0.3.0
[INFO] finished tweaking crates.io crate ezconf 0.3.0
[INFO] tweaked toml for crates.io crate ezconf 0.3.0 written to /workspace/builds/worker-2-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 78 packages to latest compatible versions
[INFO] [stderr]       Adding aho-corasick v0.6.10 (available: v1.1.3)
[INFO] [stderr]       Adding autocfg v0.1.8 (available: v1.4.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.6.0)
[INFO] [stderr]       Adding cloudabi v0.0.3 (available: v0.1.0)
[INFO] [stderr]       Adding env_logger v0.5.13 (available: v0.11.5)
[INFO] [stderr]       Adding error-chain v0.11.0 (available: v0.12.4)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (available: v0.4.0)
[INFO] [stderr]       Adding humantime v1.3.0 (available: v2.1.0)
[INFO] [stderr]       Adding lock_api v0.1.5 (available: v0.4.12)
[INFO] [stderr]       Adding once_cell v0.1.8 (available: v1.19.0)
[INFO] [stderr]       Adding parking_lot v0.7.1 (available: v0.12.3)
[INFO] [stderr]       Adding parking_lot_core v0.4.0 (available: v0.9.10)
[INFO] [stderr]       Adding quick-error v1.2.3 (available: v2.0.1)
[INFO] [stderr]       Adding rand v0.6.5 (available: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.1.1 (available: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.3.1 (available: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (available: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.1.0 (available: v0.3.2)
[INFO] [stderr]       Adding rand_isaac v0.1.1 (available: v0.3.0)
[INFO] [stderr]       Adding rand_jitter v0.1.4 (available: v0.4.0)
[INFO] [stderr]       Adding rand_os v0.1.3 (available: v0.2.2)
[INFO] [stderr]       Adding rand_pcg v0.1.2 (available: v0.3.1)
[INFO] [stderr]       Adding rand_xorshift v0.1.1 (available: v0.3.0)
[INFO] [stderr]       Adding rdrand v0.4.0 (available: v0.8.3)
[INFO] [stderr]       Adding regex v0.2.11 (available: v1.10.6)
[INFO] [stderr]       Adding regex-syntax v0.5.6 (available: v0.8.4)
[INFO] [stderr]       Adding rustc_version v0.2.3 (available: v0.4.1)
[INFO] [stderr]       Adding scopeguard v0.3.3 (available: v1.2.0)
[INFO] [stderr]       Adding semver v0.9.0 (available: v1.0.23)
[INFO] [stderr]       Adding semver-parser v0.7.0 (available: v0.10.2)
[INFO] [stderr]       Adding smallvec v0.6.14 (available: v1.13.2)
[INFO] [stderr]       Adding thread_local v0.3.6 (available: v1.1.8)
[INFO] [stderr]       Adding toml v0.4.10 (available: v0.8.19)
[INFO] [stderr]       Adding toml-query v0.6.0 (available: v0.10.0)
[INFO] [stderr]       Adding ucd-util v0.1.10 (available: v0.2.1)
[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] [stderr]     Blocking waiting for file lock on package cache
[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] 96f2e30fb815d43579346c2b8be89d96c2919c27d4c8e9b73431f7dc7bf9e057
[INFO] running `Command { std: "docker" "start" "-a" "96f2e30fb815d43579346c2b8be89d96c2919c27d4c8e9b73431f7dc7bf9e057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96f2e30fb815d43579346c2b8be89d96c2919c27d4c8e9b73431f7dc7bf9e057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96f2e30fb815d43579346c2b8be89d96c2919c27d4c8e9b73431f7dc7bf9e057", kill_on_drop: false }`
[INFO] [stdout] 96f2e30fb815d43579346c2b8be89d96c2919c27d4c8e9b73431f7dc7bf9e057
[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] 966aa01a3b1872465b9a3c13121438adac9d6e1eeb3dbb0aa96ecfa51cf8fae5
[INFO] running `Command { std: "docker" "start" "-a" "966aa01a3b1872465b9a3c13121438adac9d6e1eeb3dbb0aa96ecfa51cf8fae5", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking gimli v0.31.0
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking ucd-util v0.1.10
[INFO] [stderr]     Checking object v0.36.4
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking utf8-ranges v1.0.5
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking is-match v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking once_cell v0.1.8
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking addr2line v0.24.1
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking backtrace v0.3.74
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking toml-query v0.6.0
[INFO] [stderr]     Checking ezconf v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.00s
[INFO] running `Command { std: "docker" "inspect" "966aa01a3b1872465b9a3c13121438adac9d6e1eeb3dbb0aa96ecfa51cf8fae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "966aa01a3b1872465b9a3c13121438adac9d6e1eeb3dbb0aa96ecfa51cf8fae5", kill_on_drop: false }`
[INFO] [stdout] 966aa01a3b1872465b9a3c13121438adac9d6e1eeb3dbb0aa96ecfa51cf8fae5