[INFO] fetching crate synapse-admin-api 0.6.0...
[INFO] checking synapse-admin-api-0.6.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate synapse-admin-api 0.6.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate synapse-admin-api 0.6.0 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 synapse-admin-api 0.6.0
[INFO] finished tweaking crates.io crate synapse-admin-api 0.6.0
[INFO] tweaked toml for crates.io crate synapse-admin-api 0.6.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 71 packages to latest compatible versions
[INFO] [stderr]       Adding base64 v0.21.7 (available: v0.22.1)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v1.1.0)
[INFO] [stderr]       Adding http v0.2.12 (available: v1.1.0)
[INFO] [stderr]       Adding idna v0.5.0 (available: v1.0.2)
[INFO] [stderr]       Adding proc-macro-crate v2.0.2 (available: v3.2.0)
[INFO] [stderr]       Adding ruma v0.9.4 (available: v0.10.1)
[INFO] [stderr]       Adding ruma-common v0.12.1 (available: v0.13.0)
[INFO] [stderr]       Adding ruma-events v0.27.11 (available: v0.28.1)
[INFO] [stderr]       Adding ruma-macros v0.12.0 (available: v0.13.0)
[INFO] [stderr]       Adding toml v0.8.2 (available: v0.8.19)
[INFO] [stderr]       Adding toml_datetime v0.6.3 (available: v0.6.8)
[INFO] [stderr]       Adding toml_edit v0.20.2 (available: v0.20.7)
[INFO] [stderr]       Adding winnow v0.5.40 (available: v0.6.20)
[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]     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-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] c62a6b3b82bd57899c9e6e78456748be7dc28d0d5f3af5d1bd116d8dd7391ab6
[INFO] running `Command { std: "docker" "start" "-a" "c62a6b3b82bd57899c9e6e78456748be7dc28d0d5f3af5d1bd116d8dd7391ab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c62a6b3b82bd57899c9e6e78456748be7dc28d0d5f3af5d1bd116d8dd7391ab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c62a6b3b82bd57899c9e6e78456748be7dc28d0d5f3af5d1bd116d8dd7391ab6", kill_on_drop: false }`
[INFO] [stdout] c62a6b3b82bd57899c9e6e78456748be7dc28d0d5f3af5d1bd116d8dd7391ab6
[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] 40e96f3da8323fe36f996765aa4f3eaf2184cde1e6d2f613768c4352103efe29
[INFO] running `Command { std: "docker" "start" "-a" "40e96f3da8323fe36f996765aa4f3eaf2184cde1e6d2f613768c4352103efe29", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling typewit_proc_macros v1.8.1
[INFO] [stderr]     Checking const_panic v0.2.10
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]    Compiling ruma-common v0.12.1
[INFO] [stderr]     Checking wildmatch v2.3.4
[INFO] [stderr]     Checking as_variant v1.2.0
[INFO] [stderr]    Compiling ruma v0.9.4
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]     Checking assign v1.1.1
[INFO] [stderr]     Checking typewit v1.9.0
[INFO] [stderr]     Checking konst_kernel v0.3.9
[INFO] [stderr]     Checking konst v0.3.9
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling thiserror v1.0.64
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]     Checking js_int v0.2.2
[INFO] [stderr]     Checking indexmap v2.5.0
[INFO] [stderr]     Checking serde_json v1.0.128
[INFO] [stderr]     Checking js_option v0.1.1
[INFO] [stderr]     Checking ruma-identifiers-validation v0.9.5
[INFO] [stderr]    Compiling serde_spanned v0.6.8
[INFO] [stderr]    Compiling toml_datetime v0.6.3
[INFO] [stderr]     Checking serde_html_form v0.2.6
[INFO] [stderr]    Compiling toml_edit v0.20.2
[INFO] [stderr]    Compiling toml v0.8.2
[INFO] [stderr]    Compiling proc-macro-crate v2.0.2
[INFO] [stderr]    Compiling ruma-macros v0.12.0
[INFO] [stderr]     Checking ruma-events v0.27.11
[INFO] [stderr]     Checking synapse-admin-api v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.18s
[INFO] running `Command { std: "docker" "inspect" "40e96f3da8323fe36f996765aa4f3eaf2184cde1e6d2f613768c4352103efe29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40e96f3da8323fe36f996765aa4f3eaf2184cde1e6d2f613768c4352103efe29", kill_on_drop: false }`
[INFO] [stdout] 40e96f3da8323fe36f996765aa4f3eaf2184cde1e6d2f613768c4352103efe29