[INFO] updating cached repository https://github.com/jswrenn/bam
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a29d1bfa7463446b24b61194d3f888c6e973d581
[INFO] checking jswrenn/bam against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjswrenn%2Fbam" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jswrenn/bam on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jswrenn/bam
[INFO] finished tweaking git repo https://github.com/jswrenn/bam
[INFO] tweaked toml for git repo https://github.com/jswrenn/bam written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/jswrenn/bam already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9570df7819fa56ca613a0284c813c74f5ef9eae709e3970cad0e7f56929097e6
[INFO] running `"docker" "start" "-a" "9570df7819fa56ca613a0284c813c74f5ef9eae709e3970cad0e7f56929097e6"`
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]    Compiling dimensioned v0.6.0
[INFO] [stderr]     Checking memalloc v0.1.0
[INFO] [stderr]     Checking wmidi v1.0.0
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.43
[INFO] [stderr]     Checking midir v0.5.0
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking generic-array v0.5.1
[INFO] [stderr]     Checking pitch_calc v0.11.1
[INFO] [stderr]     Checking beep v0.2.0
[INFO] [stderr] 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] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/beep-0.2.0/src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | extern crate libc;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/beep-0.2.0/src/lib.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use libc::ioctl;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/beep-0.2.0/src/lib.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     ioctl(DEVICE.as_raw_fd(), KIOCSOUND,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0658`.
[INFO] [stderr] error: could not compile `beep`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "9570df7819fa56ca613a0284c813c74f5ef9eae709e3970cad0e7f56929097e6"`
[INFO] running `"docker" "rm" "-f" "9570df7819fa56ca613a0284c813c74f5ef9eae709e3970cad0e7f56929097e6"`
[INFO] [stdout] 9570df7819fa56ca613a0284c813c74f5ef9eae709e3970cad0e7f56929097e6
