[INFO] fetching crate desert 1.0.3...
[INFO] checking desert-1.0.3 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate desert 1.0.3 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate desert 1.0.3 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate desert 1.0.3
[INFO] finished tweaking crates.io crate desert 1.0.3
[INFO] tweaked toml for crates.io crate desert 1.0.3 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate desert 1.0.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6e123e2c30e281203ba00b209cac125996c4b765ba87379aeac3d34f6d4741c
[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" "c6e123e2c30e281203ba00b209cac125996c4b765ba87379aeac3d34f6d4741c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6e123e2c30e281203ba00b209cac125996c4b765ba87379aeac3d34f6d4741c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6e123e2c30e281203ba00b209cac125996c4b765ba87379aeac3d34f6d4741c", kill_on_drop: false }`
[INFO] [stdout] c6e123e2c30e281203ba00b209cac125996c4b765ba87379aeac3d34f6d4741c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d94e0e145e69350bca200c9db8884e4cc5a54e55d4adb1608ed42b266ed3fcfb
[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" "d94e0e145e69350bca200c9db8884e4cc5a54e55d4adb1608ed42b266ed3fcfb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.34
[INFO] [stderr]     Checking backtrace v0.3.45
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]     Checking desert v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.44s
[INFO] running `Command { std: "docker" "inspect" "d94e0e145e69350bca200c9db8884e4cc5a54e55d4adb1608ed42b266ed3fcfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d94e0e145e69350bca200c9db8884e4cc5a54e55d4adb1608ed42b266ed3fcfb", kill_on_drop: false }`
[INFO] [stdout] d94e0e145e69350bca200c9db8884e4cc5a54e55d4adb1608ed42b266ed3fcfb