[INFO] fetching crate muta-protocol 0.1.0-alpha.1...
[INFO] checking muta-protocol-0.1.0-alpha.1 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate muta-protocol 0.1.0-alpha.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate muta-protocol 0.1.0-alpha.1 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate muta-protocol 0.1.0-alpha.1
[INFO] finished tweaking crates.io crate muta-protocol 0.1.0-alpha.1
[INFO] tweaked toml for crates.io crate muta-protocol 0.1.0-alpha.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prost v0.6.1
[INFO] [stderr]   Downloaded heapsize v0.4.2
[INFO] [stderr]   Downloaded rlp v0.3.0
[INFO] [stderr]   Downloaded parking_lot v0.8.0
[INFO] [stderr]   Downloaded prost-derive v0.6.1
[INFO] [stderr]   Downloaded lock_api v0.2.0
[INFO] [stderr]   Downloaded parking_lot_core v0.5.0
[INFO] [stderr]   Downloaded crunchy v0.1.6
[INFO] [stderr]   Downloaded fixed-hash v0.2.5
[INFO] [stderr]   Downloaded uint v0.4.1
[INFO] [stderr]   Downloaded hashbrown v0.3.1
[INFO] [stderr]   Downloaded ethereum-types-serialize v0.2.2
[INFO] [stderr]   Downloaded cita_trie v2.0.0
[INFO] [stderr]   Downloaded impl-serde v0.2.3
[INFO] [stderr]   Downloaded hasher v0.1.3
[INFO] [stderr]   Downloaded ethereum-types v0.4.2
[INFO] [stderr]   Downloaded fixed-hash v0.5.2
[INFO] [stderr]   Downloaded impl-rlp v0.2.1
[INFO] [stderr]   Downloaded json v0.12.4
[INFO] [stderr]   Downloaded rlp v0.4.6
[INFO] [stderr]   Downloaded rustc-hex v2.1.0
[INFO] [stderr]   Downloaded ethbloom v0.8.1
[INFO] [stderr]   Downloaded creep v0.1.1
[INFO] [stderr]   Downloaded ethbloom v0.5.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 043fcabbb19efd96ffae7e00a1afe5281dbd0fb53e6af16347c798a50dfe25ad
[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" "043fcabbb19efd96ffae7e00a1afe5281dbd0fb53e6af16347c798a50dfe25ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "043fcabbb19efd96ffae7e00a1afe5281dbd0fb53e6af16347c798a50dfe25ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "043fcabbb19efd96ffae7e00a1afe5281dbd0fb53e6af16347c798a50dfe25ad", kill_on_drop: false }`
[INFO] [stdout] 043fcabbb19efd96ffae7e00a1afe5281dbd0fb53e6af16347c798a50dfe25ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "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] 6d43351861469f2c25040a342b8d179c1fb0c35ed9caa1a2827435b3842dc426
[INFO] running `Command { std: "docker" "start" "-a" "6d43351861469f2c25040a342b8d179c1fb0c35ed9caa1a2827435b3842dc426", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking hashbrown v0.3.1
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking creep v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]     Checking lock_api v0.2.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking rlp v0.4.6
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking heapsize v0.4.2
[INFO] [stderr]     Checking crossbeam-utils v0.8.4
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking impl-rlp v0.2.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking crossbeam-epoch v0.9.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking uint v0.4.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking hasher v0.1.3
[INFO] [stderr]     Checking fixed-hash v0.2.5
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]     Checking fixed-hash v0.5.2
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking prost v0.6.1
[INFO] [stderr]     Checking futures-executor v0.3.14
[INFO] [stderr]     Checking futures v0.3.14
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking ethereum-types-serialize v0.2.2
[INFO] [stderr]     Checking impl-serde v0.2.3
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking ethbloom v0.8.1
[INFO] [stderr]     Checking ethbloom v0.5.3
[INFO] [stderr]     Checking ethereum-types v0.4.2
[INFO] [stderr]     Checking rlp v0.3.0
[INFO] [stderr]     Checking cita_trie v2.0.0
[INFO] [stderr]     Checking muta-protocol v0.1.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 38s
[INFO] running `Command { std: "docker" "inspect" "6d43351861469f2c25040a342b8d179c1fb0c35ed9caa1a2827435b3842dc426", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d43351861469f2c25040a342b8d179c1fb0c35ed9caa1a2827435b3842dc426", kill_on_drop: false }`
[INFO] [stdout] 6d43351861469f2c25040a342b8d179c1fb0c35ed9caa1a2827435b3842dc426