[INFO] updating cached repository https://github.com/vishusandy/blogr
[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] 7258f90a1854f8d026bf3f964987eda127d5fab8
[INFO] testing vishusandy/blogr against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvishusandy%2Fblogr" "/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/vishusandy/blogr 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/vishusandy/blogr
[INFO] finished tweaking git repo https://github.com/vishusandy/blogr
[INFO] tweaked toml for git repo https://github.com/vishusandy/blogr written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/vishusandy/blogr 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] [stderr]     Blocking waiting for file lock on package cache
[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" "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] 191ed6e145bfaabf793f7538de40a52b27b16435fc3350ba6589a9dac7a1faf0
[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" "191ed6e145bfaabf793f7538de40a52b27b16435fc3350ba6589a9dac7a1faf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "191ed6e145bfaabf793f7538de40a52b27b16435fc3350ba6589a9dac7a1faf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "191ed6e145bfaabf793f7538de40a52b27b16435fc3350ba6589a9dac7a1faf0", kill_on_drop: false }`
[INFO] [stdout] 191ed6e145bfaabf793f7538de40a52b27b16435fc3350ba6589a9dac7a1faf0
[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" "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] 3b5f65e29e7987f6d57994dec2191051465d8ebebaae1eb8770923f064d3924f
[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" "3b5f65e29e7987f6d57994dec2191051465d8ebebaae1eb8770923f064d3924f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling cfg-if v0.1.4
[INFO] [stderr]    Compiling lazy_static v1.0.2
[INFO] [stderr]    Compiling matches v0.1.7
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]    Compiling yansi v0.4.0
[INFO] [stderr]    Compiling unic-char-range v0.6.0
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]    Compiling unic-ucd-core v0.6.0
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling constant_time_eq v0.1.3
[INFO] [stderr]    Compiling untrusted v0.5.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling arrayref v0.3.4
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling pear v0.0.19
[INFO] [stderr]    Compiling state v0.4.1
[INFO] [stderr]    Compiling fallible-iterator v0.1.5
[INFO] [stderr]    Compiling ordermap v0.2.13
[INFO] [stderr]    Compiling md5 v0.3.7
[INFO] [stderr]    Compiling itoa v0.4.2
[INFO] [stderr]    Compiling regex v1.0.2
[INFO] [stderr]    Compiling antidote v1.0.0
[INFO] [stderr]    Compiling derive_builder v0.5.1
[INFO] [stderr]    Compiling hex v0.2.0
[INFO] [stderr]    Compiling pest v0.3.3
[INFO] [stderr]    Compiling alloc-no-stdlib v1.2.0
[INFO] [stderr]    Compiling pulldown-cmark v0.0.11
[INFO] [stderr]    Compiling unchecked-index v0.2.2
[INFO] [stderr]    Compiling typed-arena v1.4.1
[INFO] [stderr]    Compiling owning_ref v0.2.4
[INFO] [stderr]    Compiling htmlescape v0.3.1
[INFO] [stderr]    Compiling entities v1.0.1
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]    Compiling pipeline v0.5.0
[INFO] [stderr]    Compiling adler32 v0.2.0
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling evmap v2.0.2
[INFO] [stderr]    Compiling indexmap v1.0.1
[INFO] [stderr]    Compiling urlencoding v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling log v0.4.3
[INFO] [stderr]    Compiling base64 v0.6.0
[INFO] [stderr]    Compiling base64 v0.9.2
[INFO] [stderr]    Compiling encoding_rs v0.7.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling unic-utils v0.6.0
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]    Compiling yaml-rust v0.4.0
[INFO] [stderr]    Compiling scheduled-thread-pool v0.1.0
[INFO] [stderr]    Compiling pear_codegen v0.0.19
[INFO] [stderr]    Compiling rocket v0.3.15
[INFO] [stderr]    Compiling rocket_codegen v0.3.15
[INFO] [stderr]    Compiling brotli-decompressor v1.2.1
[INFO] [stderr]    Compiling smallvec v0.6.3
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling isatty v0.1.8
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling socket2 v0.3.7
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling unic-char-property v0.6.0
[INFO] [stderr]    Compiling unic-ucd-name v0.6.0
[INFO] [stderr]    Compiling lock_api v0.1.3
[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 phf v0.7.21
[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" "3b5f65e29e7987f6d57994dec2191051465d8ebebaae1eb8770923f064d3924f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b5f65e29e7987f6d57994dec2191051465d8ebebaae1eb8770923f064d3924f", kill_on_drop: false }`
[INFO] [stdout] 3b5f65e29e7987f6d57994dec2191051465d8ebebaae1eb8770923f064d3924f