[INFO] fetching crate tibco_ems 0.3.9...
[INFO] checking tibco_ems-0.3.9 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate tibco_ems 0.3.9 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate tibco_ems 0.3.9 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tibco_ems 0.3.9
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate tibco_ems 0.3.9
[INFO] tweaked toml for crates.io crate tibco_ems 0.3.9 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate tibco_ems 0.3.9 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tibco_ems-sys v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22126c615197d21a3a8edc64b58931d1b9d73a6c28a5bb397969bcb1e3ee4444
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "22126c615197d21a3a8edc64b58931d1b9d73a6c28a5bb397969bcb1e3ee4444", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22126c615197d21a3a8edc64b58931d1b9d73a6c28a5bb397969bcb1e3ee4444", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22126c615197d21a3a8edc64b58931d1b9d73a6c28a5bb397969bcb1e3ee4444", kill_on_drop: false }`
[INFO] [stdout] 22126c615197d21a3a8edc64b58931d1b9d73a6c28a5bb397969bcb1e3ee4444
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37973e24aa5bea967192ffa20ce46e0c0cf978345ecdb0709818622267ff712d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "37973e24aa5bea967192ffa20ce46e0c0cf978345ecdb0709818622267ff712d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling tibco_ems-sys v1.0.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling tibco_ems v0.3.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking enum_extract v0.1.1
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]    Compiling tokio v1.10.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]     --> src/lib.rs:1061:11
[INFO] [stdout]      |
[INFO] [stdout] 1061 |           &header.insert("MessageID".to_string(),TypedValue::String(message_id.to_string()));  
[INFO] [stdout]      |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1061 |           let _ = &header.insert("MessageID".to_string(),TypedValue::String(message_id.to_string()));  
[INFO] [stdout]      |           +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]     --> src/lib.rs:1061:11
[INFO] [stdout]      |
[INFO] [stdout] 1061 |           &header.insert("MessageID".to_string(),TypedValue::String(message_id.to_string()));  
[INFO] [stdout]      |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1061 |           let _ = &header.insert("MessageID".to_string(),TypedValue::String(message_id.to_string()));  
[INFO] [stdout]      |           +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.33s
[INFO] running `Command { std: "docker" "inspect" "37973e24aa5bea967192ffa20ce46e0c0cf978345ecdb0709818622267ff712d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37973e24aa5bea967192ffa20ce46e0c0cf978345ecdb0709818622267ff712d", kill_on_drop: false }`
[INFO] [stdout] 37973e24aa5bea967192ffa20ce46e0c0cf978345ecdb0709818622267ff712d