[INFO] cloning repository https://github.com/drgomesp/oxidb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/drgomesp/oxidb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrgomesp%2Foxidb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrgomesp%2Foxidb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 34449e330f2a22c157131d9cbe2b9277c2ac8fca
[INFO] checking drgomesp/oxidb against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrgomesp%2Foxidb" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/drgomesp/oxidb 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/drgomesp/oxidb
[INFO] finished tweaking git repo https://github.com/drgomesp/oxidb
[INFO] tweaked toml for git repo https://github.com/drgomesp/oxidb written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/drgomesp/oxidb 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 25ef82dc03656349ed0b8845c5eb35b259a7f617e596d9744473bbf7963dbdd9
[INFO] running `Command { std: "docker" "start" "-a" "25ef82dc03656349ed0b8845c5eb35b259a7f617e596d9744473bbf7963dbdd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25ef82dc03656349ed0b8845c5eb35b259a7f617e596d9744473bbf7963dbdd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25ef82dc03656349ed0b8845c5eb35b259a7f617e596d9744473bbf7963dbdd9", kill_on_drop: false }`
[INFO] [stdout] 25ef82dc03656349ed0b8845c5eb35b259a7f617e596d9744473bbf7963dbdd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5c8c3ee77dcf250be05e42b263ae1afd344adb790f1ef19a9078fc013188993
[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" "e5c8c3ee77dcf250be05e42b263ae1afd344adb790f1ef19a9078fc013188993", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking backtrace-sys v0.1.36
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking simplelog v0.7.5
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]     Checking oxidb_core v0.1.0 (/opt/rustwide/workdir/oxidb_core)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> oxidb_core/src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![feature(box_syntax)]
[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 `oxidb_core` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "e5c8c3ee77dcf250be05e42b263ae1afd344adb790f1ef19a9078fc013188993", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5c8c3ee77dcf250be05e42b263ae1afd344adb790f1ef19a9078fc013188993", kill_on_drop: false }`
[INFO] [stdout] e5c8c3ee77dcf250be05e42b263ae1afd344adb790f1ef19a9078fc013188993
