[INFO] cloning repository https://github.com/DMSrs/dmsrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DMSrs/dmsrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDMSrs%2Fdmsrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDMSrs%2Fdmsrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e1112ccf256dbd14a6101cec7c74503ddbef89dc
[INFO] testing DMSrs/dmsrs against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDMSrs%2Fdmsrs" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DMSrs/dmsrs on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DMSrs/dmsrs
[INFO] finished tweaking git repo https://github.com/DMSrs/dmsrs
[INFO] tweaked toml for git repo https://github.com/DMSrs/dmsrs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/DMSrs/dmsrs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml v0.4.6
[INFO] [stderr]   Downloaded itoa v0.4.2
[INFO] [stderr]   Downloaded pest_derive v1.0.7
[INFO] [stderr]   Downloaded nom v4.0.0
[INFO] [stderr]   Downloaded cookie v0.9.2
[INFO] [stderr]   Downloaded hyper v0.10.13
[INFO] [stderr]   Downloaded pest v0.4.1
[INFO] [stderr]   Downloaded url v1.7.1
[INFO] [stderr]   Downloaded ring v0.11.0
[INFO] [stderr]   Downloaded askama v0.7.0
[INFO] [stderr]   Downloaded askama_shared v0.7.0
[INFO] [stderr]   Downloaded askama_derive v0.7.0
[INFO] [stderr]   Downloaded rocket_contrib v0.3.14
[INFO] [stderr]   Downloaded atomic v0.4.0
[INFO] [stderr]   Downloaded slug v0.1.3
[INFO] [stderr]   Downloaded isatty v0.1.8
[INFO] [stderr]   Downloaded pear v0.0.18
[INFO] [stderr]   Downloaded rocket_codegen v0.3.14
[INFO] [stderr]   Downloaded handlebars v0.28.3
[INFO] [stderr]   Downloaded pear_codegen v0.0.18
[INFO] [stderr]   Downloaded tera v0.10.10
[INFO] [stderr]   Downloaded tera v0.11.8
[INFO] [stderr]   Downloaded rocket v0.3.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 999a7bb8ebc65bda74d7bc5b7e518758a4413953ce8418410ba09e0bb5e031a3
[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" "999a7bb8ebc65bda74d7bc5b7e518758a4413953ce8418410ba09e0bb5e031a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "999a7bb8ebc65bda74d7bc5b7e518758a4413953ce8418410ba09e0bb5e031a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "999a7bb8ebc65bda74d7bc5b7e518758a4413953ce8418410ba09e0bb5e031a3", kill_on_drop: false }`
[INFO] [stdout] 999a7bb8ebc65bda74d7bc5b7e518758a4413953ce8418410ba09e0bb5e031a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--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] d4d793e4be55d596ac1e25892c4d9f944f69ecc957c4428918be102078d45fb8
[INFO] running `Command { std: "docker" "start" "-a" "d4d793e4be55d596ac1e25892c4d9f944f69ecc957c4428918be102078d45fb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling arrayref v0.3.4
[INFO] [stderr]    Compiling ordermap v0.2.13
[INFO] [stderr]    Compiling constant_time_eq v0.1.3
[INFO] [stderr]    Compiling pear v0.0.18
[INFO] [stderr]    Compiling dtoa v0.4.3
[INFO] [stderr]    Compiling itoa v0.4.2
[INFO] [stderr]    Compiling md5 v0.3.7
[INFO] [stderr]    Compiling askama_shared v0.7.0
[INFO] [stderr]    Compiling fallible-iterator v0.1.4
[INFO] [stderr]    Compiling cairo-rs v0.3.0
[INFO] [stderr]    Compiling c_vec v1.2.1
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]    Compiling pest v0.4.1
[INFO] [stderr]    Compiling libc v0.1.12
[INFO] [stderr]    Compiling pest v0.3.3
[INFO] [stderr]    Compiling atomic v0.4.0
[INFO] [stderr]    Compiling isatty v0.1.8
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling glib-sys v0.5.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.5.0
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/atomic-0.4.0/src/lib.rs:36:34
[INFO] [stdout]    |
[INFO] [stdout] 36 |     feature = "nightly", feature(const_fn, cfg_target_has_atomic, integer_atomics, atomic_min_max)
[INFO] [stdout]    |                                  ^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling gobject-sys v0.5.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/atomic-0.4.0/src/lib.rs:36:26
[INFO] [stdout]    |
[INFO] [stdout] 36 |     feature = "nightly", feature(const_fn, cfg_target_has_atomic, integer_atomics, atomic_min_max)
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling socket2 v0.3.7
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling slug v0.1.3
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `atomic` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d4d793e4be55d596ac1e25892c4d9f944f69ecc957c4428918be102078d45fb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4d793e4be55d596ac1e25892c4d9f944f69ecc957c4428918be102078d45fb8", kill_on_drop: false }`
[INFO] [stdout] d4d793e4be55d596ac1e25892c4d9f944f69ecc957c4428918be102078d45fb8