[INFO] cloning repository https://github.com/lizhiyong2000/CloudIVS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lizhiyong2000/CloudIVS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flizhiyong2000%2FCloudIVS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flizhiyong2000%2FCloudIVS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9986a9f692e75c2cb2820383377df1f1cfc543fa
[INFO] checking lizhiyong2000/CloudIVS against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flizhiyong2000%2FCloudIVS" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lizhiyong2000/CloudIVS on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lizhiyong2000/CloudIVS
[INFO] removed workspace from git repo https://github.com/lizhiyong2000/CloudIVS
[INFO] finished tweaking git repo https://github.com/lizhiyong2000/CloudIVS
[INFO] tweaked toml for git repo https://github.com/lizhiyong2000/CloudIVS written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/lizhiyong2000/CloudIVS already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52144cf6a1982ed38ff183e1bcfbb9939b0ca1caa12b55e71bc83ca64e70c8b5
[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" "52144cf6a1982ed38ff183e1bcfbb9939b0ca1caa12b55e71bc83ca64e70c8b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52144cf6a1982ed38ff183e1bcfbb9939b0ca1caa12b55e71bc83ca64e70c8b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52144cf6a1982ed38ff183e1bcfbb9939b0ca1caa12b55e71bc83ca64e70c8b5", kill_on_drop: false }`
[INFO] [stdout] 52144cf6a1982ed38ff183e1bcfbb9939b0ca1caa12b55e71bc83ca64e70c8b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6a327f714357d4902b6e19ae631420ba449a32667b45876510e41bef73e81e2
[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" "a6a327f714357d4902b6e19ae631420ba449a32667b45876510e41bef73e81e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]     Checking bswap v1.0.0
[INFO] [stderr]     Checking splay_tree v0.2.10
[INFO] [stderr]     Checking strum v0.18.0
[INFO] [stderr]     Checking assert_matches v1.3.0
[INFO] [stderr]     Checking syntex_pos v0.42.0
[INFO] [stderr]    Compiling atomic v0.5.0
[INFO] [stderr]    Compiling uncased v0.9.1
[INFO] [stderr]    Compiling nom v6.0.0-alpha1
[INFO] [stderr]     Checking uriparse v0.6.3
[INFO] [stderr]     Checking linked_hash_set v0.1.4
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-iter v0.1.41
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking dlv-list v0.2.2
[INFO] [stderr]     Checking sha v1.0.3
[INFO] [stderr]     Checking ordered-multimap v0.2.4
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.3.0 (https://github.com.cnpmjs.org/tokio-rs/tokio.git#13de30c5)
[INFO] [stderr]    Compiling trackable_derive v1.0.0
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]     Checking trackable v1.0.0
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking serde v1.0.116
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking serde-value v0.6.0
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking syntex_errors v0.42.0
[INFO] [stderr]     Checking syntex_syntax v0.42.0
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking log4rs v0.10.0
[INFO] [stderr]     Checking tokio v0.3.0 (https://github.com.cnpmjs.org/tokio-rs/tokio.git#13de30c5)
[INFO] [stderr]     Checking tokio-util v0.4.0 (https://github.com.cnpmjs.org/tokio-rs/tokio.git#13de30c5)
[INFO] [stderr]     Checking cloudmedia v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(int_error_matching)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking syntex v0.42.2
[INFO] [stderr]     Checking pnet_macros v0.26.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(int_error_matching)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cloudmedia`
[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] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a6a327f714357d4902b6e19ae631420ba449a32667b45876510e41bef73e81e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6a327f714357d4902b6e19ae631420ba449a32667b45876510e41bef73e81e2", kill_on_drop: false }`
[INFO] [stdout] a6a327f714357d4902b6e19ae631420ba449a32667b45876510e41bef73e81e2