[INFO] fetching crate leaky-bucket 0.7.3...
[INFO] checking leaky-bucket-0.7.3 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate leaky-bucket 0.7.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate leaky-bucket 0.7.3 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 leaky-bucket 0.7.3
[INFO] finished tweaking crates.io crate leaky-bucket 0.7.3
[INFO] tweaked toml for crates.io crate leaky-bucket 0.7.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate leaky-bucket 0.7.3 already has a lockfile, it will not be regenerated
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/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] af6eb1a16e2cb1be978f3fa2d4eb0e0219841a669be58d431784396084494e3c
[INFO] running `Command { std: "docker" "start" "-a" "af6eb1a16e2cb1be978f3fa2d4eb0e0219841a669be58d431784396084494e3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af6eb1a16e2cb1be978f3fa2d4eb0e0219841a669be58d431784396084494e3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af6eb1a16e2cb1be978f3fa2d4eb0e0219841a669be58d431784396084494e3c", kill_on_drop: false }`
[INFO] [stdout] af6eb1a16e2cb1be978f3fa2d4eb0e0219841a669be58d431784396084494e3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/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] 77cd895ef042f6c1ae2369d38b09f7218c646a726bb745adebd3b9398fc61ea4
[INFO] running `Command { std: "docker" "start" "-a" "77cd895ef042f6c1ae2369d38b09f7218c646a726bb745adebd3b9398fc61ea4", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking pin-project-lite v0.1.1
[INFO] [stderr]     Checking bytes v0.5.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.9
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking thiserror v1.0.9
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking leaky-bucket v0.7.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.91s
[INFO] running `Command { std: "docker" "inspect" "77cd895ef042f6c1ae2369d38b09f7218c646a726bb745adebd3b9398fc61ea4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77cd895ef042f6c1ae2369d38b09f7218c646a726bb745adebd3b9398fc61ea4", kill_on_drop: false }`
[INFO] [stdout] 77cd895ef042f6c1ae2369d38b09f7218c646a726bb745adebd3b9398fc61ea4