[INFO] cloning repository https://github.com/Mononofu/tenki
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mononofu/tenki" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMononofu%2Ftenki", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMononofu%2Ftenki'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 49dce5fbdd0978abfd2025bb4def42d480b670b4
[INFO] testing Mononofu/tenki against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMononofu%2Ftenki" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Mononofu/tenki on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Mononofu/tenki
[INFO] finished tweaking git repo https://github.com/Mononofu/tenki
[INFO] tweaked toml for git repo https://github.com/Mononofu/tenki written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Mononofu/tenki already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num_cpus v1.2.1
[INFO] [stderr]   Downloaded adler32 v0.3.0
[INFO] [stderr]   Downloaded redox_syscall v0.1.16
[INFO] [stderr]   Downloaded state v0.2.0
[INFO] [stderr]   Downloaded mime v0.2.2
[INFO] [stderr]   Downloaded png v0.6.2
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.11
[INFO] [stderr]   Downloaded rayon v0.6.0
[INFO] [stderr]   Downloaded aho-corasick v0.6.2
[INFO] [stderr]   Downloaded backtrace v0.3.0
[INFO] [stderr]   Downloaded deflate v0.7.4
[INFO] [stderr]   Downloaded term v0.4.5
[INFO] [stderr]   Downloaded version_check v0.1.0
[INFO] [stderr]   Downloaded term-painter v0.2.3
[INFO] [stderr]   Downloaded toml v0.2.1
[INFO] [stderr]   Downloaded clap v2.20.3
[INFO] [stderr]   Downloaded image v0.12.2
[INFO] [stderr]   Downloaded hyper v0.10.4
[INFO] [stderr]   Downloaded backtrace-sys v0.1.6
[INFO] [stderr]   Downloaded thread_local v0.3.2
[INFO] [stderr]   Downloaded slug v0.1.2
[INFO] [stderr]   Downloaded rustc-demangle v0.1.3
[INFO] [stderr]   Downloaded regex-syntax v0.4.0
[INFO] [stderr]   Downloaded regex v0.2.1
[INFO] [stderr]   Downloaded term_size v0.2.2
[INFO] [stderr]   Downloaded rocket_contrib v0.2.0
[INFO] [stderr]   Downloaded thread-id v3.0.0
[INFO] [stderr]   Downloaded threadpool v1.3.2
[INFO] [stderr]   Downloaded serde v0.9.7
[INFO] [stderr]   Downloaded serde_json v0.9.6
[INFO] [stderr]   Downloaded tera v0.7.1
[INFO] [stderr]   Downloaded cookie v0.6.0
[INFO] [stderr]   Downloaded rocket_codegen v0.2.0
[INFO] [stderr]   Downloaded unidecode v0.2.0
[INFO] [stderr]   Downloaded rocket v0.2.0
[INFO] [stderr]   Downloaded humansize v1.0.0
[INFO] [stderr]   Downloaded libz-sys v1.0.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", 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] c502f2f524d4036fb2e6584de60a5c45e71e6bb9eff5718af876f5c5781b9519
[INFO] running `Command { std: "docker" "start" "-a" "c502f2f524d4036fb2e6584de60a5c45e71e6bb9eff5718af876f5c5781b9519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c502f2f524d4036fb2e6584de60a5c45e71e6bb9eff5718af876f5c5781b9519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c502f2f524d4036fb2e6584de60a5c45e71e6bb9eff5718af876f5c5781b9519", kill_on_drop: false }`
[INFO] [stdout] c502f2f524d4036fb2e6584de60a5c45e71e6bb9eff5718af876f5c5781b9519
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 306fb49bb01255d3aec016105bbf297fb3bd7c99bfe5ed8b682f6f3867c69d56
[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" "306fb49bb01255d3aec016105bbf297fb3bd7c99bfe5ed8b682f6f3867c69d56", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.20
[INFO] [stderr]    Compiling gcc v0.3.43
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling num-traits v0.1.36
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling matches v0.1.4
[INFO] [stderr]    Compiling version_check v0.1.0
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.4
[INFO] [stderr]    Compiling rustc-demangle v0.1.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]    Compiling byteorder v1.0.0
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling traitobject v0.0.1
[INFO] [stderr]    Compiling httparse v1.2.1
[INFO] [stderr]    Compiling serde v0.9.7
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling lazy_static v0.2.2
[INFO] [stderr]    Compiling rustc-serialize v0.3.22
[INFO] [stderr]    Compiling term v0.4.5
[INFO] [stderr]    Compiling itoa v0.3.1
[INFO] [stderr]    Compiling adler32 v0.3.0
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling unidecode v0.2.0
[INFO] [stderr]    Compiling regex-syntax v0.4.0
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling color_quant v1.0.0
[INFO] [stderr]    Compiling humansize v1.0.0
[INFO] [stderr]    Compiling inflate v0.1.1
[INFO] [stderr]    Compiling state v0.2.0
[INFO] [stderr]    Compiling toml v0.2.1
[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/state-0.2.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_fn)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pest v0.4.1
[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 `state`
[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[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/state-0.2.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_fn)]
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "306fb49bb01255d3aec016105bbf297fb3bd7c99bfe5ed8b682f6f3867c69d56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "306fb49bb01255d3aec016105bbf297fb3bd7c99bfe5ed8b682f6f3867c69d56", kill_on_drop: false }`
[INFO] [stdout] 306fb49bb01255d3aec016105bbf297fb3bd7c99bfe5ed8b682f6f3867c69d56