[INFO] fetching crate proconio 0.5.0...
[INFO] checking proconio-0.5.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate proconio 0.5.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate proconio 0.5.0 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 proconio 0.5.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate proconio 0.5.0
[INFO] tweaked toml for crates.io crate proconio 0.5.0 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 53 packages to latest compatible versions
[INFO] [stderr]       Adding colored v1.9.4 (available: v2.1.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.79)
[INFO] [stderr]       Adding synstructure v0.12.6 (available: v0.13.1)
[INFO] [stderr]       Adding toml v0.5.11 (available: v0.8.19)
[INFO] [stderr]       Adding trybuild v1.0.67 (available: v1.0.99)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[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] 2a138e1545dfc2e7a5da65679ccfb92c8a978a01288cdac73a0c5463f5ffe9a8
[INFO] running `Command { std: "docker" "start" "-a" "2a138e1545dfc2e7a5da65679ccfb92c8a978a01288cdac73a0c5463f5ffe9a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a138e1545dfc2e7a5da65679ccfb92c8a978a01288cdac73a0c5463f5ffe9a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a138e1545dfc2e7a5da65679ccfb92c8a978a01288cdac73a0c5463f5ffe9a8", kill_on_drop: false }`
[INFO] [stdout] 2a138e1545dfc2e7a5da65679ccfb92c8a978a01288cdac73a0c5463f5ffe9a8
[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] 0e5809257b9847a74d1270c22f7ab410a6a93528e75972934df604b58a69a59b
[INFO] running `Command { std: "docker" "start" "-a" "0e5809257b9847a74d1270c22f7ab410a6a93528e75972934df604b58a69a59b", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]    Compiling trybuild v1.0.67
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]     Checking environment v0.1.1
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking is-terminal v0.4.13
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking proconio v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking colored v1.9.4
[INFO] [stderr]     Checking object v0.36.4
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking backtrace v0.3.74
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking assert_cli v0.6.3
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.38s
[INFO] running `Command { std: "docker" "inspect" "0e5809257b9847a74d1270c22f7ab410a6a93528e75972934df604b58a69a59b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e5809257b9847a74d1270c22f7ab410a6a93528e75972934df604b58a69a59b", kill_on_drop: false }`
[INFO] [stdout] 0e5809257b9847a74d1270c22f7ab410a6a93528e75972934df604b58a69a59b