[INFO] fetching crate overlord 0.2.0-alpha.13...
[INFO] checking overlord-0.2.0-alpha.13 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate overlord 0.2.0-alpha.13 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate overlord 0.2.0-alpha.13 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate overlord 0.2.0-alpha.13
[INFO] finished tweaking crates.io crate overlord 0.2.0-alpha.13
[INFO] tweaked toml for crates.io crate overlord 0.2.0-alpha.13 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate overlord 0.2.0-alpha.13 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded winapi-util v0.1.3
[INFO] [stderr]   Downloaded aho-corasick v0.7.9
[INFO] [stderr]   Downloaded parking_lot v0.10.0
[INFO] [stderr]   Downloaded async-trait v0.1.24
[INFO] [stderr]   Downloaded dyn-clone v1.0.1
[INFO] [stderr]   Downloaded rlp v0.4.4
[INFO] [stderr]   Downloaded tokio-macros v0.2.4
[INFO] [stderr]   Downloaded parking_lot_core v0.7.0
[INFO] [stderr]   Downloaded hex v0.4.2
[INFO] [stderr]   Downloaded linked-hash-map v0.5.2
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.2
[INFO] [stderr]   Downloaded moodyblues-sdk v0.3.0
[INFO] [stderr]   Downloaded futures-timer v3.0.2
[INFO] [stderr]   Downloaded lock_api v0.3.3
[INFO] [stderr]   Downloaded bit-vec v0.6.1
[INFO] [stderr]   Downloaded libmath v0.1.4
[INFO] [stderr]   Downloaded regex-syntax v0.6.14
[INFO] [stderr]   Downloaded bincode v1.2.1
[INFO] [stderr]   Downloaded hasher v0.1.3
[INFO] [stderr]   Downloaded smallvec v1.2.0
[INFO] [stderr]   Downloaded tokio v0.2.11
[INFO] [stderr]   Downloaded prime_tools v0.2.2
[INFO] [stderr]   Downloaded regex v1.3.4
[INFO] [stderr]   Downloaded creep v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06f58e992877477f38e2b75c098d4c5b8cd9b429a0cf31421ea79ebbb72a4fe7
[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" "06f58e992877477f38e2b75c098d4c5b8cd9b429a0cf31421ea79ebbb72a4fe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06f58e992877477f38e2b75c098d4c5b8cd9b429a0cf31421ea79ebbb72a4fe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06f58e992877477f38e2b75c098d4c5b8cd9b429a0cf31421ea79ebbb72a4fe7", kill_on_drop: false }`
[INFO] [stdout] 06f58e992877477f38e2b75c098d4c5b8cd9b429a0cf31421ea79ebbb72a4fe7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42990f23c34f051dbbbc39b79acb8417062465e0b8ad51c137f1911b3db9e8f8
[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" "42990f23c34f051dbbbc39b79acb8417062465e0b8ad51c137f1911b3db9e8f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking bit-vec v0.6.1
[INFO] [stderr]     Checking dyn-clone v1.0.1
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]     Checking rlp v0.4.4
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking creep v0.2.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking hasher v0.1.3
[INFO] [stderr]     Checking blake2b_simd v0.5.10
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking aho-corasick v0.7.9
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking libmath v0.1.4
[INFO] [stderr]     Checking prime_tools v0.2.2
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.4
[INFO] [stderr]    Compiling async-trait v0.1.24
[INFO] [stderr]    Compiling derive_more v0.99.3
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking tokio v0.2.11
[INFO] [stderr]     Checking moodyblues-sdk v0.3.0
[INFO] [stderr]     Checking overlord v0.2.0-alpha.13 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `Command { std: "docker" "inspect" "42990f23c34f051dbbbc39b79acb8417062465e0b8ad51c137f1911b3db9e8f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42990f23c34f051dbbbc39b79acb8417062465e0b8ad51c137f1911b3db9e8f8", kill_on_drop: false }`
[INFO] [stdout] 42990f23c34f051dbbbc39b79acb8417062465e0b8ad51c137f1911b3db9e8f8