[INFO] cloning repository https://github.com/isurakka/truth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/isurakka/truth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisurakka%2Ftruth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisurakka%2Ftruth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5a088d52f886d0cd00b4086bd71a3e08b4d99b3d
[INFO] checking isurakka/truth against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisurakka%2Ftruth" "/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/isurakka/truth 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/isurakka/truth
[INFO] finished tweaking git repo https://github.com/isurakka/truth
[INFO] tweaked toml for git repo https://github.com/isurakka/truth written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/isurakka/truth 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] warning: dependency (rocket_contrib) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "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] 1decfba121982da5b458cb6a9200789de004b411889296cae9ac7c40fb461c4a
[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" "1decfba121982da5b458cb6a9200789de004b411889296cae9ac7c40fb461c4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1decfba121982da5b458cb6a9200789de004b411889296cae9ac7c40fb461c4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1decfba121982da5b458cb6a9200789de004b411889296cae9ac7c40fb461c4a", kill_on_drop: false }`
[INFO] [stdout] 1decfba121982da5b458cb6a9200789de004b411889296cae9ac7c40fb461c4a
[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=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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5527da34bb120039a34d4856e11d962094087d2a46f7897c645808a7803d8eea
[INFO] running `Command { std: "docker" "start" "-a" "5527da34bb120039a34d4856e11d962094087d2a46f7897c645808a7803d8eea", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (rocket_contrib) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking libc v0.2.20
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling matches v0.1.4
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]     Checking unicode-normalization v0.1.3
[INFO] [stderr]     Checking rustc-serialize v0.3.22
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling quote v0.3.12
[INFO] [stderr]    Compiling traitobject v0.0.1
[INFO] [stderr]     Checking itoa v0.1.1
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]     Checking num-traits v0.1.36
[INFO] [stderr]    Compiling httparse v1.2.1
[INFO] [stderr]     Checking dtoa v0.2.2
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]     Checking lazy_static v0.2.2
[INFO] [stderr]     Checking pest v0.3.3
[INFO] [stderr]     Checking quick-error v1.1.0
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]    Compiling unicode-bidi v0.2.4
[INFO] [stderr]     Checking hpack v0.2.0
[INFO] [stderr]     Checking mime v0.2.2
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling rocket_codegen v0.1.5
[INFO] [stderr]    Compiling syn v0.10.6
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking time v0.1.36
[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/rocket_codegen-0.1.5/build.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_patterns)]
[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 `rocket_codegen`
[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" "5527da34bb120039a34d4856e11d962094087d2a46f7897c645808a7803d8eea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5527da34bb120039a34d4856e11d962094087d2a46f7897c645808a7803d8eea", kill_on_drop: false }`
[INFO] [stdout] 5527da34bb120039a34d4856e11d962094087d2a46f7897c645808a7803d8eea