[INFO] fetching crate slog-syslog 0.13.0...
[INFO] checking slog-syslog-0.13.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate slog-syslog 0.13.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate slog-syslog 0.13.0 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-syslog 0.13.0
[INFO] finished tweaking crates.io crate slog-syslog 0.13.0
[INFO] tweaked toml for crates.io crate slog-syslog 0.13.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate slog-syslog 0.13.0 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] bd21c9a57f8d7008e59acfb915c756d2a29876eeed3164cbbffe709b61d85019
[INFO] running `Command { std: "docker" "start" "-a" "bd21c9a57f8d7008e59acfb915c756d2a29876eeed3164cbbffe709b61d85019", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd21c9a57f8d7008e59acfb915c756d2a29876eeed3164cbbffe709b61d85019", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd21c9a57f8d7008e59acfb915c756d2a29876eeed3164cbbffe709b61d85019", kill_on_drop: false }`
[INFO] [stdout] bd21c9a57f8d7008e59acfb915c756d2a29876eeed3164cbbffe709b61d85019
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] b39e9619fe3cf04d9b0515531dc2c0d0a35aa8d7965f938d778e484a68ef4cc5
[INFO] running `Command { std: "docker" "start" "-a" "b39e9619fe3cf04d9b0515531dc2c0d0a35aa8d7965f938d778e484a68ef4cc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking syslog v5.0.0
[INFO] [stderr]     Checking slog-syslog v0.13.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `max_level_trace`
[INFO] [stdout]   --> lib.rs:95:13
[INFO] [stdout]    |
[INFO] [stdout] 95 |     if cfg!(feature = "max_level_trace") {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `max_level_trace` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `max_level_debug`
[INFO] [stdout]   --> lib.rs:97:20
[INFO] [stdout]    |
[INFO] [stdout] 97 |     } else if cfg!(feature = "max_level_debug") {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `max_level_debug` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `max_level_info`
[INFO] [stdout]   --> lib.rs:99:20
[INFO] [stdout]    |
[INFO] [stdout] 99 |     } else if cfg!(feature = "max_level_info") {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `max_level_info` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `max_level_warn`
[INFO] [stdout]    --> lib.rs:101:20
[INFO] [stdout]     |
[INFO] [stdout] 101 |     } else if cfg!(feature = "max_level_warn") {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `max_level_warn` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `max_level_error`
[INFO] [stdout]    --> lib.rs:103:20
[INFO] [stdout]     |
[INFO] [stdout] 103 |     } else if cfg!(feature = "max_level_error") {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `max_level_error` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `max_level_trace`
[INFO] [stdout]   --> lib.rs:95:13
[INFO] [stdout]    |
[INFO] [stdout] 95 |     if cfg!(feature = "max_level_trace") {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `max_level_trace` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `max_level_debug`
[INFO] [stdout]   --> lib.rs:97:20
[INFO] [stdout]    |
[INFO] [stdout] 97 |     } else if cfg!(feature = "max_level_debug") {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `max_level_debug` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `max_level_info`
[INFO] [stdout]   --> lib.rs:99:20
[INFO] [stdout]    |
[INFO] [stdout] 99 |     } else if cfg!(feature = "max_level_info") {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `max_level_info` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `max_level_warn`
[INFO] [stdout]    --> lib.rs:101:20
[INFO] [stdout]     |
[INFO] [stdout] 101 |     } else if cfg!(feature = "max_level_warn") {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `max_level_warn` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `max_level_error`
[INFO] [stdout]    --> lib.rs:103:20
[INFO] [stdout]     |
[INFO] [stdout] 103 |     } else if cfg!(feature = "max_level_error") {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `max_level_error` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "b39e9619fe3cf04d9b0515531dc2c0d0a35aa8d7965f938d778e484a68ef4cc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b39e9619fe3cf04d9b0515531dc2c0d0a35aa8d7965f938d778e484a68ef4cc5", kill_on_drop: false }`
[INFO] [stdout] b39e9619fe3cf04d9b0515531dc2c0d0a35aa8d7965f938d778e484a68ef4cc5