[INFO] fetching crate segsource 0.2.0...
[INFO] checking segsource-0.2.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate segsource 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate segsource 0.2.0 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 segsource 0.2.0
[INFO] finished tweaking crates.io crate segsource 0.2.0
[INFO] tweaked toml for crates.io crate segsource 0.2.0 written to /workspace/builds/worker-1-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 54 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.21.0 (available: v0.24.1)
[INFO] [stderr]       Adding backtrace v0.3.71 (available: v0.3.74)
[INFO] [stderr]       Adding color-backtrace v0.5.1 (available: v0.6.1)
[INFO] [stderr]       Adding ctor v0.1.26 (available: v0.2.8)
[INFO] [stderr]       Adding gimli v0.28.1 (available: v0.31.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (available: v0.4.0)
[INFO] [stderr]       Adding memmap2 v0.3.1 (available: v0.9.5)
[INFO] [stderr]       Adding miniz_oxide v0.7.4 (available: v0.8.0)
[INFO] [stderr]       Adding object v0.32.2 (available: v0.36.4)
[INFO] [stderr]       Adding rustc_version v0.2.3 (available: v0.4.1)
[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 snafu v0.6.10 (available: v0.8.5)
[INFO] [stderr]       Adding snafu-derive v0.6.10 (available: v0.8.5)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.79)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2f0cddeb053afaa341728f0a8c4c95e677a7df0bed3be076974f8841e13c5071
[INFO] running `Command { std: "docker" "start" "-a" "2f0cddeb053afaa341728f0a8c4c95e677a7df0bed3be076974f8841e13c5071", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f0cddeb053afaa341728f0a8c4c95e677a7df0bed3be076974f8841e13c5071", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f0cddeb053afaa341728f0a8c4c95e677a7df0bed3be076974f8841e13c5071", kill_on_drop: false }`
[INFO] [stdout] 2f0cddeb053afaa341728f0a8c4c95e677a7df0bed3be076974f8841e13c5071
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e6dbabdeab64fa6f62047342f87894f9fec0a0686154841f5e7806f07d523f50
[INFO] running `Command { std: "docker" "start" "-a" "e6dbabdeab64fa6f62047342f87894f9fec0a0686154841f5e7806f07d523f50", kill_on_drop: false }`
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling here v1.1.1
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]    Compiling pmhelp-internal v0.0.2
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stderr]     Checking miniz_oxide v0.7.4
[INFO] [stderr]    Compiling pmhelp v0.0.2
[INFO] [stderr]    Compiling segsource-derive v0.2.0
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking snafu v0.6.10
[INFO] [stderr]     Checking segsource v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking color-backtrace v0.5.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.10s
[INFO] running `Command { std: "docker" "inspect" "e6dbabdeab64fa6f62047342f87894f9fec0a0686154841f5e7806f07d523f50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6dbabdeab64fa6f62047342f87894f9fec0a0686154841f5e7806f07d523f50", kill_on_drop: false }`
[INFO] [stdout] e6dbabdeab64fa6f62047342f87894f9fec0a0686154841f5e7806f07d523f50