[INFO] fetching crate xen 0.0.0-pre1...
[INFO] checking xen-0.0.0-pre1 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate xen 0.0.0-pre1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate xen 0.0.0-pre1 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate xen 0.0.0-pre1
[INFO] finished tweaking crates.io crate xen 0.0.0-pre1
[INFO] tweaked toml for crates.io crate xen 0.0.0-pre1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] bb0be1d7b2d031364658656c2f3b92a6be8138bf677a3af5fdd04f6dec5585e6
[INFO] running `"docker" "start" "-a" "bb0be1d7b2d031364658656c2f3b92a6be8138bf677a3af5fdd04f6dec5585e6"`
[INFO] [stderr]     Checking xen-sys v0.0.0-pre1
[INFO] [stderr]     Checking xen v0.0.0-pre1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `reason`
[INFO] [stderr]   --> src/hypercall/sched_op.rs:17:17
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn shutdown(reason: u32) {
[INFO] [stderr]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reason`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SCHEDOP_poll`
[INFO] [stderr]   --> src/hypercall/sched_op.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | const SCHEDOP_poll: u64 = 3;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `SCHEDOP_yield` should have an upper case name
[INFO] [stderr]   --> src/hypercall/sched_op.rs:13:7
[INFO] [stderr]    |
[INFO] [stderr] 13 | const SCHEDOP_yield: u64 = 0;
[INFO] [stderr]    |       ^^^^^^^^^^^^^ help: convert the identifier to upper case: `SCHEDOP_YIELD`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `SCHEDOP_shutdown` should have an upper case name
[INFO] [stderr]   --> src/hypercall/sched_op.rs:14:7
[INFO] [stderr]    |
[INFO] [stderr] 14 | const SCHEDOP_shutdown: u64 = 2;
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `SCHEDOP_SHUTDOWN`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `SCHEDOP_poll` should have an upper case name
[INFO] [stderr]   --> src/hypercall/sched_op.rs:15:7
[INFO] [stderr]    |
[INFO] [stderr] 15 | const SCHEDOP_poll: u64 = 3;
[INFO] [stderr]    |       ^^^^^^^^^^^^ help: convert the identifier to upper case: `SCHEDOP_POLL`
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `reason`
[INFO] [stderr]   --> src/hypercall/sched_op.rs:17:17
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn shutdown(reason: u32) {
[INFO] [stderr]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reason`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SCHEDOP_poll`
[INFO] [stderr]   --> src/hypercall/sched_op.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | const SCHEDOP_poll: u64 = 3;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `SCHEDOP_yield` should have an upper case name
[INFO] [stderr]   --> src/hypercall/sched_op.rs:13:7
[INFO] [stderr]    |
[INFO] [stderr] 13 | const SCHEDOP_yield: u64 = 0;
[INFO] [stderr]    |       ^^^^^^^^^^^^^ help: convert the identifier to upper case: `SCHEDOP_YIELD`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `SCHEDOP_shutdown` should have an upper case name
[INFO] [stderr]   --> src/hypercall/sched_op.rs:14:7
[INFO] [stderr]    |
[INFO] [stderr] 14 | const SCHEDOP_shutdown: u64 = 2;
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `SCHEDOP_SHUTDOWN`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `SCHEDOP_poll` should have an upper case name
[INFO] [stderr]   --> src/hypercall/sched_op.rs:15:7
[INFO] [stderr]    |
[INFO] [stderr] 15 | const SCHEDOP_poll: u64 = 3;
[INFO] [stderr]    |       ^^^^^^^^^^^^ help: convert the identifier to upper case: `SCHEDOP_POLL`
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `"docker" "inspect" "bb0be1d7b2d031364658656c2f3b92a6be8138bf677a3af5fdd04f6dec5585e6"`
[INFO] running `"docker" "rm" "-f" "bb0be1d7b2d031364658656c2f3b92a6be8138bf677a3af5fdd04f6dec5585e6"`
[INFO] [stdout] bb0be1d7b2d031364658656c2f3b92a6be8138bf677a3af5fdd04f6dec5585e6