[INFO] fetching crate slog-bunyan 2.5.0...
[INFO] checking slog-bunyan-2.5.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate slog-bunyan 2.5.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate slog-bunyan 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 slog-bunyan 2.5.0
[INFO] finished tweaking crates.io crate slog-bunyan 2.5.0
[INFO] tweaked toml for crates.io crate slog-bunyan 2.5.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 26 packages to latest compatible versions
[INFO] [stderr]       Adding erased-serde v0.3.31 (available: v0.4.5)
[INFO] [stderr]       Adding hostname v0.3.1 (available: v0.4.0)
[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] 1085d18270a83817685a1323dd1a7d240179915ae73cc1ec6df43bdf75cb8e7a
[INFO] running `Command { std: "docker" "start" "-a" "1085d18270a83817685a1323dd1a7d240179915ae73cc1ec6df43bdf75cb8e7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1085d18270a83817685a1323dd1a7d240179915ae73cc1ec6df43bdf75cb8e7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1085d18270a83817685a1323dd1a7d240179915ae73cc1ec6df43bdf75cb8e7a", kill_on_drop: false }`
[INFO] [stdout] 1085d18270a83817685a1323dd1a7d240179915ae73cc1ec6df43bdf75cb8e7a
[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] 16786915cebb10a4f8bdb1c9441133e07c57391dfe43c49fa17349d6ae70da7d
[INFO] running `Command { std: "docker" "start" "-a" "16786915cebb10a4f8bdb1c9441133e07c57391dfe43c49fa17349d6ae70da7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]    Compiling time-macros v0.2.18
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]     Checking slog-json v2.6.1
[INFO] [stderr]     Checking slog-bunyan v2.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.24s
[INFO] running `Command { std: "docker" "inspect" "16786915cebb10a4f8bdb1c9441133e07c57391dfe43c49fa17349d6ae70da7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16786915cebb10a4f8bdb1c9441133e07c57391dfe43c49fa17349d6ae70da7d", kill_on_drop: false }`
[INFO] [stdout] 16786915cebb10a4f8bdb1c9441133e07c57391dfe43c49fa17349d6ae70da7d