[INFO] fetching crate ensicoin_messages 0.7.5...
[INFO] checking ensicoin_messages-0.7.5 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate ensicoin_messages 0.7.5 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ensicoin_messages 0.7.5 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ensicoin_messages 0.7.5
[INFO] finished tweaking crates.io crate ensicoin_messages 0.7.5
[INFO] tweaked toml for crates.io crate ensicoin_messages 0.7.5 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cfa50988f4871bc7ba451305c2bbeee2521ee8c70bb2b96d87147266538f1eca
[INFO] running `Command { std: "docker" "start" "-a" "cfa50988f4871bc7ba451305c2bbeee2521ee8c70bb2b96d87147266538f1eca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfa50988f4871bc7ba451305c2bbeee2521ee8c70bb2b96d87147266538f1eca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfa50988f4871bc7ba451305c2bbeee2521ee8c70bb2b96d87147266538f1eca", kill_on_drop: false }`
[INFO] [stdout] cfa50988f4871bc7ba451305c2bbeee2521ee8c70bb2b96d87147266538f1eca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d3e3e6a30447fe01647e82d86294acfcff38890d2d469e01d571bc93a7b4d4f8
[INFO] running `Command { std: "docker" "start" "-a" "d3e3e6a30447fe01647e82d86294acfcff38890d2d469e01d571bc93a7b4d4f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking ensicoin_serializer v2.0.9
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling ensicoin_serializer_derive v0.2.7
[INFO] [stderr]     Checking ensicoin_messages v0.7.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.02s
[INFO] running `Command { std: "docker" "inspect" "d3e3e6a30447fe01647e82d86294acfcff38890d2d469e01d571bc93a7b4d4f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3e3e6a30447fe01647e82d86294acfcff38890d2d469e01d571bc93a7b4d4f8", kill_on_drop: false }`
[INFO] [stdout] d3e3e6a30447fe01647e82d86294acfcff38890d2d469e01d571bc93a7b4d4f8