[INFO] cloning repository https://github.com/deciduously/lem
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/deciduously/lem" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeciduously%2Flem", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeciduously%2Flem'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 40e1d8a7639a12932d46d92b70964f6cc760caa0
[INFO] checking deciduously/lem against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeciduously%2Flem" "/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/deciduously/lem on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/deciduously/lem
[INFO] finished tweaking git repo https://github.com/deciduously/lem
[INFO] tweaked toml for git repo https://github.com/deciduously/lem written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/deciduously/lem already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v0.9.11
[INFO] [stderr]   Downloaded syn v0.11.9
[INFO] [stderr]   Downloaded term v0.4.5
[INFO] [stderr]   Downloaded serde_codegen_internals v0.14.1
[INFO] [stderr]   Downloaded dotenv_codegen v0.10.0
[INFO] [stderr]   Downloaded num_cpus v1.3.0
[INFO] [stderr]   Downloaded dotenv_macros v0.10.0
[INFO] [stderr]   Downloaded state v0.2.0
[INFO] [stderr]   Downloaded serde_json v0.9.9
[INFO] [stderr]   Downloaded serde_derive v0.9.11
[INFO] [stderr]   Downloaded rocket_contrib v0.2.2
[INFO] [stderr]   Downloaded diesel v0.11.4
[INFO] [stderr]   Downloaded diesel_infer_schema v0.11.0
[INFO] [stderr]   Downloaded time v0.1.36
[INFO] [stderr]   Downloaded diesel_codegen v0.11.0
[INFO] [stderr]   Downloaded unicode-normalization v0.1.4
[INFO] [stderr]   Downloaded hyper v0.10.5
[INFO] [stderr]   Downloaded r2d2 v0.7.1
[INFO] [stderr]   Downloaded unicode-bidi v0.2.5
[INFO] [stderr]   Downloaded term-painter v0.2.3
[INFO] [stderr]   Downloaded url v1.4.0
[INFO] [stderr]   Downloaded rocket_codegen v0.2.2
[INFO] [stderr]   Downloaded version_check v0.1.0
[INFO] [stderr]   Downloaded cookie v0.6.1
[INFO] [stderr]   Downloaded redox_syscall v0.1.16
[INFO] [stderr]   Downloaded pq-sys v0.4.2
[INFO] [stderr]   Downloaded r2d2-diesel v0.11.0
[INFO] [stderr]   Downloaded rocket v0.2.2
[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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "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] 2e75d1a515ad40820a2943777a49d64953a8d5f139dce3ac1a2a74ef2fd490e6
[INFO] running `Command { std: "docker" "start" "-a" "2e75d1a515ad40820a2943777a49d64953a8d5f139dce3ac1a2a74ef2fd490e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e75d1a515ad40820a2943777a49d64953a8d5f139dce3ac1a2a74ef2fd490e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e75d1a515ad40820a2943777a49d64953a8d5f139dce3ac1a2a74ef2fd490e6", kill_on_drop: false }`
[INFO] [stdout] 2e75d1a515ad40820a2943777a49d64953a8d5f139dce3ac1a2a74ef2fd490e6
[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=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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98706602bc82ee0c6c4a756f618878bbcccad505512fa8f766576de65ed10ade
[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" "98706602bc82ee0c6c4a756f618878bbcccad505512fa8f766576de65ed10ade", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.21
[INFO] [stderr]    Compiling pq-sys v0.4.2
[INFO] [stderr]    Compiling version_check v0.1.0
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]     Checking matches v0.1.4
[INFO] [stderr]    Compiling rustc-serialize v0.3.22
[INFO] [stderr]     Checking unicode-normalization v0.1.4
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]     Checking serde v0.9.11
[INFO] [stderr]    Compiling httparse v1.2.1
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling byteorder v1.0.0
[INFO] [stderr]     Checking term v0.4.5
[INFO] [stderr]     Checking itoa v0.3.1
[INFO] [stderr]     Checking dtoa v0.4.1
[INFO] [stderr]     Checking toml v0.2.1
[INFO] [stderr]    Compiling state v0.2.0
[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/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: 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" "98706602bc82ee0c6c4a756f618878bbcccad505512fa8f766576de65ed10ade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98706602bc82ee0c6c4a756f618878bbcccad505512fa8f766576de65ed10ade", kill_on_drop: false }`
[INFO] [stdout] 98706602bc82ee0c6c4a756f618878bbcccad505512fa8f766576de65ed10ade
