[INFO] fetching crate futures_cbor_codec 0.3.0...
[INFO] checking futures_cbor_codec-0.3.0 against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312
[INFO] extracting crate futures_cbor_codec 0.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate futures_cbor_codec 0.3.0 on toolchain 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures_cbor_codec 0.3.0
[INFO] finished tweaking crates.io crate futures_cbor_codec 0.3.0
[INFO] tweaked toml for crates.io crate futures_cbor_codec 0.3.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate futures_cbor_codec 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded asynchronous-codec v0.6.0
[INFO] [stderr]   Downloaded rustc_version v0.3.3
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.20
[INFO] [stderr]   Downloaded bumpalo v3.6.0
[INFO] [stderr]   Downloaded ringbuf v0.2.3
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.20
[INFO] [stderr]   Downloaded futures_ringbuf v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "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] e5fd3ef233648084e22d58be7f7d81e278ff15ecd31a144d3b2a9949e8572fd8
[INFO] running `Command { std: "docker" "start" "-a" "e5fd3ef233648084e22d58be7f7d81e278ff15ecd31a144d3b2a9949e8572fd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5fd3ef233648084e22d58be7f7d81e278ff15ecd31a144d3b2a9949e8572fd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5fd3ef233648084e22d58be7f7d81e278ff15ecd31a144d3b2a9949e8572fd8", kill_on_drop: false }`
[INFO] [stdout] e5fd3ef233648084e22d58be7f7d81e278ff15ecd31a144d3b2a9949e8572fd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5393efcbd8ee3ead9369334279db08a2e40427e004ba823271968739c1778f4b
[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" "5393efcbd8ee3ead9369334279db08a2e40427e004ba823271968739c1778f4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking ringbuf v0.2.3
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling futures_cbor_codec v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling futures_ringbuf v0.3.0
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling log-derive v0.4.1
[INFO] [stderr]     Checking futures-executor v0.3.12
[INFO] [stderr]     Checking asynchronous-codec v0.6.0
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.33s
[INFO] running `Command { std: "docker" "inspect" "5393efcbd8ee3ead9369334279db08a2e40427e004ba823271968739c1778f4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5393efcbd8ee3ead9369334279db08a2e40427e004ba823271968739c1778f4b", kill_on_drop: false }`
[INFO] [stdout] 5393efcbd8ee3ead9369334279db08a2e40427e004ba823271968739c1778f4b