[INFO] fetching crate cdrs-tokio 2.0.0...
[INFO] checking cdrs-tokio-2.0.0 against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] extracting crate cdrs-tokio 2.0.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate cdrs-tokio 2.0.0 on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cdrs-tokio 2.0.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate cdrs-tokio 2.0.0
[INFO] tweaked toml for crates.io crate cdrs-tokio 2.0.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate cdrs-tokio 2.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bb8 v0.7.0
[INFO] [stderr]   Downloaded cdrs-tokio-helpers-derive v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "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] 3f950dc1530fd1bfb3119bdc9a8cbce557000f6ac85d4dacc4d709922a193dc3
[INFO] running `Command { std: "docker" "start" "-a" "3f950dc1530fd1bfb3119bdc9a8cbce557000f6ac85d4dacc4d709922a193dc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f950dc1530fd1bfb3119bdc9a8cbce557000f6ac85d4dacc4d709922a193dc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f950dc1530fd1bfb3119bdc9a8cbce557000f6ac85d4dacc4d709922a193dc3", kill_on_drop: false }`
[INFO] [stdout] 3f950dc1530fd1bfb3119bdc9a8cbce557000f6ac85d4dacc4d709922a193dc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "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] 02c0094b77f7ab520782da784f59e7307a913d4d932436ec2fa6951a24ea8739
[INFO] running `Command { std: "docker" "start" "-a" "02c0094b77f7ab520782da784f59e7307a913d4d932436ec2fa6951a24ea8739", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking bytes v1.0.0
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling standback v0.2.13
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling tokio v1.0.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling time v0.2.22
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking instant v0.1.8
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]    Compiling proc-macro2 v0.1.10
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking lz4-compress v0.1.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking snap v0.2.5
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.6
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling cdrs-tokio-helpers-derive v1.1.0
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking pin-project v1.0.1
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking bb8 v0.7.0
[INFO] [stderr]     Checking cdrs-tokio v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.02s
[INFO] running `Command { std: "docker" "inspect" "02c0094b77f7ab520782da784f59e7307a913d4d932436ec2fa6951a24ea8739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02c0094b77f7ab520782da784f59e7307a913d4d932436ec2fa6951a24ea8739", kill_on_drop: false }`
[INFO] [stdout] 02c0094b77f7ab520782da784f59e7307a913d4d932436ec2fa6951a24ea8739