[INFO] cloning repository https://github.com/jburell/mini-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jburell/mini-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjburell%2Fmini-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjburell%2Fmini-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8ac41ed202a074c2ae0714a3c211945f168d1173 [INFO] testing jburell/mini-rs against 1.49.0 for beta-1.50-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjburell%2Fmini-rs" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jburell/mini-rs on toolchain 1.49.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jburell/mini-rs [INFO] finished tweaking git repo https://github.com/jburell/mini-rs [INFO] tweaked toml for git repo https://github.com/jburell/mini-rs written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/jburell/mini-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1a10d86c151f43971716529678077bf2405ca2d157bccc958db241c23cac3ce5 [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" "1a10d86c151f43971716529678077bf2405ca2d157bccc958db241c23cac3ce5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1a10d86c151f43971716529678077bf2405ca2d157bccc958db241c23cac3ce5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a10d86c151f43971716529678077bf2405ca2d157bccc958db241c23cac3ce5", kill_on_drop: false }` [INFO] [stdout] 1a10d86c151f43971716529678077bf2405ca2d157bccc958db241c23cac3ce5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7460120d0656114f53e9add34ece4490d93e876c592f5ab63c145588e3484745 [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" "7460120d0656114f53e9add34ece4490d93e876c592f5ab63c145588e3484745", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling mini-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(libc)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/main.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(lang_items)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/main.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(start)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0522]: definition of an unknown language item: `panic_fmt` [INFO] [stdout] --> src/main.rs:18:1 [INFO] [stdout] | [INFO] [stdout] 18 | #[lang = "panic_fmt"] extern fn panic_fmt() -> ! { loop {} } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0522]: definition of an unknown language item: `eh_unwind_resume` [INFO] [stdout] --> src/main.rs:19:1 [INFO] [stdout] | [INFO] [stdout] 19 | #[lang = "eh_unwind_resume"] extern fn rust_eh_unwind_resume() {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `eh_unwind_resume` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `#[panic_handler]` function required, but not found [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? [INFO] [stdout] --> src/main.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | extern crate libc; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #27812 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? [INFO] [stdout] --> src/main.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | libc::getpid() [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #27812 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 8 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0522, E0554, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0522`. [INFO] [stdout] [INFO] [stderr] error: could not compile `mini-rs` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "7460120d0656114f53e9add34ece4490d93e876c592f5ab63c145588e3484745", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7460120d0656114f53e9add34ece4490d93e876c592f5ab63c145588e3484745", kill_on_drop: false }` [INFO] [stdout] 7460120d0656114f53e9add34ece4490d93e876c592f5ab63c145588e3484745