[INFO] cloning repository https://github.com/MeetMon/MeetMon-BackEnd [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MeetMon/MeetMon-BackEnd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMeetMon%2FMeetMon-BackEnd", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMeetMon%2FMeetMon-BackEnd'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 754b3734cc852cf50dc4e81a604ff6baf60a0660 [INFO] testing MeetMon/MeetMon-BackEnd against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMeetMon%2FMeetMon-BackEnd" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MeetMon/MeetMon-BackEnd on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/MeetMon/MeetMon-BackEnd [INFO] finished tweaking git repo https://github.com/MeetMon/MeetMon-BackEnd [INFO] tweaked toml for git repo https://github.com/MeetMon/MeetMon-BackEnd written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/MeetMon/MeetMon-BackEnd already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded indexmap v1.0.1 [INFO] [stderr] Downloaded md5 v0.3.7 [INFO] [stderr] Downloaded chrono v0.4.5 [INFO] [stderr] Downloaded bufstream v0.1.3 [INFO] [stderr] Downloaded isatty v0.1.8 [INFO] [stderr] Downloaded mongodb v0.3.10 [INFO] [stderr] Downloaded quote v0.6.4 [INFO] [stderr] Downloaded lazy_static v1.0.2 [INFO] [stderr] Downloaded serde v1.0.70 [INFO] [stderr] Downloaded matches v0.1.7 [INFO] [stderr] Downloaded smallvec v0.6.3 [INFO] [stderr] Downloaded serde_derive v1.0.70 [INFO] [stderr] Downloaded bson v0.12.3 [INFO] [stderr] Downloaded ring v0.13.2 [INFO] [stderr] Downloaded base64 v0.9.2 [INFO] [stderr] Downloaded syn v0.14.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1f5059d942443a46faaef4f7a25e483d828bd13b1f43d1a36aabd396110c7515 [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" "1f5059d942443a46faaef4f7a25e483d828bd13b1f43d1a36aabd396110c7515", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1f5059d942443a46faaef4f7a25e483d828bd13b1f43d1a36aabd396110c7515", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f5059d942443a46faaef4f7a25e483d828bd13b1f43d1a36aabd396110c7515", kill_on_drop: false }` [INFO] [stdout] 1f5059d942443a46faaef4f7a25e483d828bd13b1f43d1a36aabd396110c7515 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3ec9415091be09064e60dda0f409957b1961bfa7fc04de18afcf7cab02a8db94 [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" "3ec9415091be09064e60dda0f409957b1961bfa7fc04de18afcf7cab02a8db94", kill_on_drop: false }` [INFO] [stderr] Compiling yansi v0.4.0 [INFO] [stderr] Compiling serde v1.0.70 [INFO] [stderr] Compiling num-traits v0.2.5 [INFO] [stderr] Compiling state v0.4.1 [INFO] [stderr] Compiling try_from v0.2.2 [INFO] [stderr] Compiling md5 v0.3.7 [INFO] [stderr] Compiling data-encoding v2.1.1 [INFO] [stderr] Compiling separator v0.3.1 [INFO] [stderr] Compiling bufstream v0.1.3 [INFO] [stderr] Compiling time v0.1.40 [INFO] [stderr] Compiling rand v0.4.2 [INFO] [stderr] Compiling hostname v0.1.5 [INFO] [stderr] Compiling isatty v0.1.8 [INFO] [stderr] Compiling proc-macro2 v0.4.9 [INFO] [stderr] Compiling ring v0.13.2 [INFO] [stderr] Compiling log v0.4.3 [INFO] [stderr] Compiling rand v0.5.4 [INFO] [stderr] Compiling aho-corasick v0.6.6 [INFO] [stderr] Compiling semver v0.8.0 [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/proc-macro2-0.4.9/src/lib.rs:47:34 [INFO] [stdout] | [INFO] [stdout] 47 | #![cfg_attr(feature = "nightly", feature(proc_macro_raw_ident, proc_macro_span))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling smallvec v0.6.3 [INFO] [stderr] Compiling thread_local v0.3.5 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stdout] error[E0658]: use of unstable library feature 'proc_macro_def_site' [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.9/src/unstable.rs:347:27 [INFO] [stdout] | [INFO] [stdout] 347 | Span::Nightly(proc_macro::Span::def_site()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #54724 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0554, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `proc-macro2` due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "3ec9415091be09064e60dda0f409957b1961bfa7fc04de18afcf7cab02a8db94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ec9415091be09064e60dda0f409957b1961bfa7fc04de18afcf7cab02a8db94", kill_on_drop: false }` [INFO] [stdout] 3ec9415091be09064e60dda0f409957b1961bfa7fc04de18afcf7cab02a8db94