[INFO] cloning repository https://github.com/YuJuncen/tidc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/YuJuncen/tidc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYuJuncen%2Ftidc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYuJuncen%2Ftidc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0dd4a94a96973d93cb0d3098aea359ceba6b167a
[INFO] testing YuJuncen/tidc against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYuJuncen%2Ftidc" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/YuJuncen/tidc on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/YuJuncen/tidc
[INFO] finished tweaking git repo https://github.com/YuJuncen/tidc
[INFO] tweaked toml for git repo https://github.com/YuJuncen/tidc written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/YuJuncen/tidc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded debugid v0.7.2
[INFO] [stderr]   Downloaded num-format v0.4.0
[INFO] [stderr]   Downloaded symbolic-common v8.0.5
[INFO] [stderr]   Downloaded str_stack v0.1.0
[INFO] [stderr]   Downloaded quick-error v2.0.1
[INFO] [stderr]   Downloaded cpp_demangle v0.3.2
[INFO] [stderr]   Downloaded inferno v0.10.3
[INFO] [stderr]   Downloaded symbolic-demangle v8.0.5
[INFO] [stderr]   Downloaded pprof v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 932d00d393000b276857aad5d6a975e818aadf56e662c2ea543f38fca3e3bc86
[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" "932d00d393000b276857aad5d6a975e818aadf56e662c2ea543f38fca3e3bc86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "932d00d393000b276857aad5d6a975e818aadf56e662c2ea543f38fca3e3bc86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "932d00d393000b276857aad5d6a975e818aadf56e662c2ea543f38fca3e3bc86", kill_on_drop: false }`
[INFO] [stdout] 932d00d393000b276857aad5d6a975e818aadf56e662c2ea543f38fca3e3bc86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "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] c536b9e604e47890d437b1ff8f3517dd59f65d94c6c2656feacbd9a169004066
[INFO] running `Command { std: "docker" "start" "-a" "c536b9e604e47890d437b1ff8f3517dd59f65d94c6c2656feacbd9a169004066", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]    Compiling structopt v0.3.22
[INFO] [stderr]    Compiling tidc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/bin/tidc.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(never_type)]
[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 `tidc` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "c536b9e604e47890d437b1ff8f3517dd59f65d94c6c2656feacbd9a169004066", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c536b9e604e47890d437b1ff8f3517dd59f65d94c6c2656feacbd9a169004066", kill_on_drop: false }`
[INFO] [stdout] c536b9e604e47890d437b1ff8f3517dd59f65d94c6c2656feacbd9a169004066
