[INFO] updating cached repository https://github.com/himanoa/testament-api
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 46753b30dc4a13a157dbe30414aba25e0b589367
[INFO] testing himanoa/testament-api against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhimanoa%2Ftestament-api" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/himanoa/testament-api on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/himanoa/testament-api
[INFO] finished tweaking git repo https://github.com/himanoa/testament-api
[INFO] tweaked toml for git repo https://github.com/himanoa/testament-api written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/himanoa/testament-api already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a15cbb19a1004975738b9964a1fbef5d31585d8e4e05a886610e0af23aa19c50
[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" "a15cbb19a1004975738b9964a1fbef5d31585d8e4e05a886610e0af23aa19c50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a15cbb19a1004975738b9964a1fbef5d31585d8e4e05a886610e0af23aa19c50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a15cbb19a1004975738b9964a1fbef5d31585d8e4e05a886610e0af23aa19c50", kill_on_drop: false }`
[INFO] [stdout] a15cbb19a1004975738b9964a1fbef5d31585d8e4e05a886610e0af23aa19c50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 136dca2605b24efda107afcdbd6d5cda545d617251383dfda5c36a1057fb23eb
[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" "136dca2605b24efda107afcdbd6d5cda545d617251383dfda5c36a1057fb23eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.23
[INFO] [stderr]    Compiling proc-macro2 v0.4.15
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling openssl v0.10.12
[INFO] [stderr]    Compiling native-tls v0.2.1
[INFO] [stderr]    Compiling pear v0.0.20
[INFO] [stderr]    Compiling ordermap v0.2.13
[INFO] [stderr]    Compiling regex v1.0.4
[INFO] [stderr]    Compiling utf8-ranges v1.0.1
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling log v0.4.4
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling memchr v2.0.2
[INFO] [stderr]    Compiling isatty v0.1.8
[INFO] [stderr]    Compiling pear_codegen v0.0.20
[INFO] [stderr]    Compiling rocket v0.3.17
[INFO] [stderr]    Compiling mysqlclient-sys v0.2.3
[INFO] [stderr]    Compiling rocket_codegen v0.3.17
[INFO] [stderr]    Compiling base64 v0.10.0
[INFO] [stderr]    Compiling tokio-executor v0.1.4
[INFO] [stderr]    Compiling bytes v0.4.9
[INFO] [stderr]    Compiling uuid v0.7.1
[INFO] [stderr]    Compiling lock_api v0.1.3
[INFO] [stderr]    Compiling mio v0.6.15
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling aho-corasick v0.6.8
[INFO] [stderr]    Compiling r2d2 v0.8.2
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lock_api-0.1.3/src/lib.rs:85:34
[INFO] [stdout]    |
[INFO] [stdout] 85 | #![cfg_attr(feature = "nightly", feature(const_fn))]
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling toml v0.4.8
[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 `lock_api`.
[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" "136dca2605b24efda107afcdbd6d5cda545d617251383dfda5c36a1057fb23eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "136dca2605b24efda107afcdbd6d5cda545d617251383dfda5c36a1057fb23eb", kill_on_drop: false }`
[INFO] [stdout] 136dca2605b24efda107afcdbd6d5cda545d617251383dfda5c36a1057fb23eb