[INFO] cloning repository https://github.com/zowens/chain-replication
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zowens/chain-replication" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzowens%2Fchain-replication", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzowens%2Fchain-replication'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 255a42274fc5fd3373f00a8a7c88ece895a10af7
[INFO] checking zowens/chain-replication against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzowens%2Fchain-replication" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zowens/chain-replication on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zowens/chain-replication
[INFO] finished tweaking git repo https://github.com/zowens/chain-replication
[INFO] tweaked toml for git repo https://github.com/zowens/chain-replication written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/zowens/chain-replication already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/zowens/commitlog.git`
[INFO] [stderr]     Updating git repository `https://github.com/pingcap/rust-prometheus.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded protobuf-codegen v2.7.0
[INFO] [stderr]   Downloaded grpcio v0.4.4
[INFO] [stderr]   Downloaded protoc-grpcio v1.0.1
[INFO] [stderr]   Downloaded grpcio-compiler v0.4.3
[INFO] [stderr]   Downloaded crc32c v0.4.0
[INFO] [stderr]   Downloaded protobuf v2.7.0
[INFO] [stderr]   Downloaded grpcio-sys v0.4.4
[INFO] [stderr]   Downloaded protoc v2.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7cdb5633a9c8415f3884a5ee3d167370970bf3af2bd5f3d4899ac18491fea323
[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" "7cdb5633a9c8415f3884a5ee3d167370970bf3af2bd5f3d4899ac18491fea323", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cdb5633a9c8415f3884a5ee3d167370970bf3af2bd5f3d4899ac18491fea323", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cdb5633a9c8415f3884a5ee3d167370970bf3af2bd5f3d4899ac18491fea323", kill_on_drop: false }`
[INFO] [stdout] 7cdb5633a9c8415f3884a5ee3d167370970bf3af2bd5f3d4899ac18491fea323
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c0afc91c9bca9ca7cbea2d172cea707ee94cbd848bcb8fc2b76f74b309236f6
[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" "3c0afc91c9bca9ca7cbea2d172cea707ee94cbd848bcb8fc2b76f74b309236f6", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling protobuf v2.7.0
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.13
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]    Compiling crc32c v0.4.0
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling prometheus v0.5.0 (https://github.com/pingcap/rust-prometheus.git#6d73b605)
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking string v0.1.3
[INFO] [stderr]     Checking arc-swap v0.3.7
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking spin v0.4.10
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking pool v0.1.4
[INFO] [stderr]     Checking histogram v0.6.9
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.10/src/lib.rs:6:43
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![cfg_attr(feature = "const_fn", feature(const_fn))]
[INFO] [stdout]   |                                           ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `spin`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3c0afc91c9bca9ca7cbea2d172cea707ee94cbd848bcb8fc2b76f74b309236f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c0afc91c9bca9ca7cbea2d172cea707ee94cbd848bcb8fc2b76f74b309236f6", kill_on_drop: false }`
[INFO] [stdout] 3c0afc91c9bca9ca7cbea2d172cea707ee94cbd848bcb8fc2b76f74b309236f6