[INFO] cloning repository https://github.com/sengirab/RocketDiesel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sengirab/RocketDiesel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsengirab%2FRocketDiesel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsengirab%2FRocketDiesel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 27b66f19df3111d853201221a03c855e49f71d4d
[INFO] testing sengirab/RocketDiesel against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsengirab%2FRocketDiesel" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sengirab/RocketDiesel on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sengirab/RocketDiesel
[INFO] finished tweaking git repo https://github.com/sengirab/RocketDiesel
[INFO] tweaked toml for git repo https://github.com/sengirab/RocketDiesel written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/sengirab/RocketDiesel already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d48016eeb2a3f12e28c15bdc095cacd700491d4112f308758fa9028e839cf1d1
[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" "d48016eeb2a3f12e28c15bdc095cacd700491d4112f308758fa9028e839cf1d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d48016eeb2a3f12e28c15bdc095cacd700491d4112f308758fa9028e839cf1d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d48016eeb2a3f12e28c15bdc095cacd700491d4112f308758fa9028e839cf1d1", kill_on_drop: false }`
[INFO] [stdout] d48016eeb2a3f12e28c15bdc095cacd700491d4112f308758fa9028e839cf1d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.54.0" "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] c02abc6119005a49f627b34864c2e8020207b9f44b8d00e7c8c9d23781ad4c39
[INFO] running `Command { std: "docker" "start" "-a" "c02abc6119005a49f627b34864c2e8020207b9f44b8d00e7c8c9d23781ad4c39", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling byteorder v1.2.6
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling httparse v1.3.2
[INFO] [stderr]    Compiling untrusted v0.5.1
[INFO] [stderr]    Compiling pear v0.0.20
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]    Compiling ordermap v0.2.13
[INFO] [stderr]    Compiling antidote v1.0.0
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling utf8-ranges v1.0.1
[INFO] [stderr]    Compiling uuid v0.7.1
[INFO] [stderr]    Compiling authentication v0.1.0 (/opt/rustwide/workdir/src/authentication)
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling isatty v0.1.9
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling scheduled-thread-pool v0.2.0
[INFO] [stderr]    Compiling smallvec v0.6.5
[INFO] [stderr]    Compiling base64 v0.6.0
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling url v1.7.1
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling macros v0.1.0 (/opt/rustwide/workdir/src/macros)
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling r2d2 v0.8.2
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/macros/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(extern_crate_item_prelude)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `extern_crate_item_prelude` has been stable since 1.31.0 and no longer requires an attribute to enable
[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 `macros`
[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" "c02abc6119005a49f627b34864c2e8020207b9f44b8d00e7c8c9d23781ad4c39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c02abc6119005a49f627b34864c2e8020207b9f44b8d00e7c8c9d23781ad4c39", kill_on_drop: false }`
[INFO] [stdout] c02abc6119005a49f627b34864c2e8020207b9f44b8d00e7c8c9d23781ad4c39
