[INFO] cloning repository https://github.com/cburgdorf/rusty-rlp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cburgdorf/rusty-rlp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcburgdorf%2Frusty-rlp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcburgdorf%2Frusty-rlp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 41af02048f60a8ce4f4193a03c4b8f3a04b4491f
[INFO] checking cburgdorf/rusty-rlp against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcburgdorf%2Frusty-rlp" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cburgdorf/rusty-rlp 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 git repo https://github.com/cburgdorf/rusty-rlp
[INFO] finished tweaking git repo https://github.com/cburgdorf/rusty-rlp
[INFO] tweaked toml for git repo https://github.com/cburgdorf/rusty-rlp written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/cburgdorf/rusty-rlp 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 indoc v0.3.6
[INFO] [stderr]   Downloaded indoc-impl v0.3.6
[INFO] [stderr]   Downloaded inventory v0.1.7
[INFO] [stderr]   Downloaded pyo3cls v0.11.1
[INFO] [stderr]   Downloaded unindent v0.1.6
[INFO] [stderr]   Downloaded pyo3-derive-backend v0.11.1
[INFO] [stderr]   Downloaded rlp v0.4.5
[INFO] [stderr]   Downloaded inventory-impl v0.1.7
[INFO] [stderr]   Downloaded rstest v0.6.4
[INFO] [stderr]   Downloaded pyo3 v0.11.1
[INFO] [stderr]   Downloaded hex-literal v0.3.0
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60d9425e183d8fe8d53c9a70ea7ce4b93004717946b7f0a1015cb7c5db29e6a8
[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" "60d9425e183d8fe8d53c9a70ea7ce4b93004717946b7f0a1015cb7c5db29e6a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60d9425e183d8fe8d53c9a70ea7ce4b93004717946b7f0a1015cb7c5db29e6a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60d9425e183d8fe8d53c9a70ea7ce4b93004717946b7f0a1015cb7c5db29e6a8", kill_on_drop: false }`
[INFO] [stdout] 60d9425e183d8fe8d53c9a70ea7ce4b93004717946b7f0a1015cb7c5db29e6a8
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ff94c0b28d8de40e2f9eedbb474e561a3c39bace12a4bcf077009de105f438a
[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" "8ff94c0b28d8de40e2f9eedbb474e561a3c39bace12a4bcf077009de105f438a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling inventory v0.1.7
[INFO] [stderr]    Compiling unindent v0.1.6
[INFO] [stderr]    Compiling pyo3 v0.11.1
[INFO] [stderr]    Compiling hex-literal v0.3.0
[INFO] [stderr]     Checking rlp v0.4.5
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking byteorder v1.3.4
[INFO] [stderr]     Checking tiny-keccak v2.0.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking impl-rlp v0.2.1
[INFO] [stderr]     Checking uint v0.8.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rstest v0.6.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking fixed-hash v0.6.1
[INFO] [stderr]     Checking impl-serde v0.3.1
[INFO] [stderr]     Checking parity-scale-codec v1.3.4
[INFO] [stderr]     Checking ethbloom v0.9.2
[INFO] [stderr]    Compiling pyo3-derive-backend v0.11.1
[INFO] [stderr]    Compiling ctor v0.1.15
[INFO] [stderr]    Compiling inventory-impl v0.1.7
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]     Checking impl-codec v0.4.2
[INFO] [stderr]     Checking primitive-types v0.7.2
[INFO] [stderr]    Compiling pyo3cls v0.11.1
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stderr]     Checking ethereum-types v0.9.2
[INFO] [stderr]     Checking rusty-rlp v0.1.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 12s
[INFO] running `Command { std: "docker" "inspect" "8ff94c0b28d8de40e2f9eedbb474e561a3c39bace12a4bcf077009de105f438a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ff94c0b28d8de40e2f9eedbb474e561a3c39bace12a4bcf077009de105f438a", kill_on_drop: false }`
[INFO] [stdout] 8ff94c0b28d8de40e2f9eedbb474e561a3c39bace12a4bcf077009de105f438a