[INFO] fetching crate medallion 2.5.0...
[INFO] checking medallion-2.5.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate medallion 2.5.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate medallion 2.5.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate medallion 2.5.0
[INFO] finished tweaking crates.io crate medallion 2.5.0
[INFO] tweaked toml for crates.io crate medallion 2.5.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate medallion 2.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 199dd4de018bc2efe6e4d7a55b81c57af0a7d4550dbd11c690a7c879d7b720c2
[INFO] running `Command { std: "docker" "start" "-a" "199dd4de018bc2efe6e4d7a55b81c57af0a7d4550dbd11c690a7c879d7b720c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "199dd4de018bc2efe6e4d7a55b81c57af0a7d4550dbd11c690a7c879d7b720c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "199dd4de018bc2efe6e4d7a55b81c57af0a7d4550dbd11c690a7c879d7b720c2", kill_on_drop: false }`
[INFO] [stdout] 199dd4de018bc2efe6e4d7a55b81c57af0a7d4550dbd11c690a7c879d7b720c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4176a7bccf8fe9be4ac7ba911e295b798017a3443837a4ef646ddc34cef6285a
[INFO] running `Command { std: "docker" "start" "-a" "4176a7bccf8fe9be4ac7ba911e295b798017a3443837a4ef646ddc34cef6285a", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling libc v0.2.118
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling anyhow v1.0.54
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]     Checking time v0.3.7
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking medallion v2.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.98s
[INFO] running `Command { std: "docker" "inspect" "4176a7bccf8fe9be4ac7ba911e295b798017a3443837a4ef646ddc34cef6285a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4176a7bccf8fe9be4ac7ba911e295b798017a3443837a4ef646ddc34cef6285a", kill_on_drop: false }`
[INFO] [stdout] 4176a7bccf8fe9be4ac7ba911e295b798017a3443837a4ef646ddc34cef6285a