[INFO] fetching crate region 2.1.2...
[INFO] checking region-2.1.2 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate region 2.1.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate region 2.1.2 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate region 2.1.2
[INFO] finished tweaking crates.io crate region 2.1.2
[INFO] tweaked toml for crates.io crate region 2.1.2 written to /workspace/builds/worker-12/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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 3a192a84716b5ad4a611b7fdfefe80a38bbd6e61b87594c80949f2ceec45d5f7
[INFO] running `"docker" "start" "-a" "3a192a84716b5ad4a611b7fdfefe80a38bbd6e61b87594c80949f2ceec45d5f7"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking region v2.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]  --> src/page.rs:4:23
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::sync::{Once, ONCE_INIT};
[INFO] [stderr]   |                       ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/page.rs:12:23
[INFO] [stderr]    |
[INFO] [stderr] 12 |   static INIT: Once = ONCE_INIT;
[INFO] [stderr]    |                       ^^^^^^^^^ help: replace the use of the deprecated item: `Once::new()`
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `None` should have an upper case name
[INFO] [stderr]    --> src/protect.rs:143:11
[INFO] [stderr]     |
[INFO] [stderr] 143 |     const None             = 0;
[INFO] [stderr]     |           ^^^^ help: convert the identifier to upper case: `NONE`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `Read` should have an upper case name
[INFO] [stderr]    --> src/protect.rs:145:11
[INFO] [stderr]     |
[INFO] [stderr] 145 |     const Read             = (1 << 1);
[INFO] [stderr]     |           ^^^^ help: convert the identifier to upper case: `READ`
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `Write` should have an upper case name
[INFO] [stderr]    --> src/protect.rs:147:11
[INFO] [stderr]     |
[INFO] [stderr] 147 |     const Write            = (1 << 2);
[INFO] [stderr]     |           ^^^^^ help: convert the identifier to upper case: `WRITE`
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `Execute` should have an upper case name
[INFO] [stderr]    --> src/protect.rs:149:11
[INFO] [stderr]     |
[INFO] [stderr] 149 |     const Execute          = (1 << 3);
[INFO] [stderr]     |           ^^^^^^^ help: convert the identifier to upper case: `EXECUTE`
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `ReadExecute` should have an upper case name
[INFO] [stderr]    --> src/protect.rs:151:11
[INFO] [stderr]     |
[INFO] [stderr] 151 |     const ReadExecute      = (Self::Read.bits | Self::Execute.bits);
[INFO] [stderr]     |           ^^^^^^^^^^^ help: convert the identifier to upper case: `READ_EXECUTE`
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `ReadWrite` should have an upper case name
[INFO] [stderr]    --> src/protect.rs:153:11
[INFO] [stderr]     |
[INFO] [stderr] 153 |     const ReadWrite        = (Self::Read.bits | Self::Write.bits);
[INFO] [stderr]     |           ^^^^^^^^^ help: convert the identifier to upper case: `READ_WRITE`
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `ReadWriteExecute` should have an upper case name
[INFO] [stderr]    --> src/protect.rs:155:11
[INFO] [stderr]     |
[INFO] [stderr] 155 |     const ReadWriteExecute = (Self::Read.bits | Self::Write.bits | Self::Execute.bits);
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `READ_WRITE_EXECUTE`
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `WriteExecute` should have an upper case name
[INFO] [stderr]    --> src/protect.rs:157:11
[INFO] [stderr]     |
[INFO] [stderr] 157 |     const WriteExecute     = (Self::Write.bits | Self::Execute.bits);
[INFO] [stderr]     |           ^^^^^^^^^^^^ help: convert the identifier to upper case: `WRITE_EXECUTE`
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `None` should have an upper case name
[INFO] [stderr]    --> src/protect.rs:143:11
[INFO] [stderr]     |
[INFO] [stderr] 143 |     const None             = 0;
[INFO] [stderr]     |           ^^^^ help: convert the identifier to upper case: `NONE`
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]  --> src/page.rs:4:23
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::sync::{Once, ONCE_INIT};
[INFO] [stderr]   |                       ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/page.rs:12:23
[INFO] [stderr]    |
[INFO] [stderr] 12 |   static INIT: Once = ONCE_INIT;
[INFO] [stderr]    |                       ^^^^^^^^^ help: replace the use of the deprecated item: `Once::new()`
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `None` should have an upper case name
[INFO] [stderr]    --> src/protect.rs:143:11
[INFO] [stderr]     |
[INFO] [stderr] 143 |     const None             = 0;
[INFO] [stderr]     |           ^^^^ help: convert the identifier to upper case: `NONE`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `Read` should have an upper case name
[INFO] [stderr]    --> src/protect.rs:145:11
[INFO] [stderr]     |
[INFO] [stderr] 145 |     const Read             = (1 << 1);
[INFO] [stderr]     |           ^^^^ help: convert the identifier to upper case: `READ`
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `Write` should have an upper case name
[INFO] [stderr]    --> src/protect.rs:147:11
[INFO] [stderr]     |
[INFO] [stderr] 147 |     const Write            = (1 << 2);
[INFO] [stderr]     |           ^^^^^ help: convert the identifier to upper case: `WRITE`
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `Execute` should have an upper case name
[INFO] [stderr]    --> src/protect.rs:149:11
[INFO] [stderr]     |
[INFO] [stderr] 149 |     const Execute          = (1 << 3);
[INFO] [stderr]     |           ^^^^^^^ help: convert the identifier to upper case: `EXECUTE`
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `ReadExecute` should have an upper case name
[INFO] [stderr]    --> src/protect.rs:151:11
[INFO] [stderr]     |
[INFO] [stderr] 151 |     const ReadExecute      = (Self::Read.bits | Self::Execute.bits);
[INFO] [stderr]     |           ^^^^^^^^^^^ help: convert the identifier to upper case: `READ_EXECUTE`
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `ReadWrite` should have an upper case name
[INFO] [stderr]    --> src/protect.rs:153:11
[INFO] [stderr]     |
[INFO] [stderr] 153 |     const ReadWrite        = (Self::Read.bits | Self::Write.bits);
[INFO] [stderr]     |           ^^^^^^^^^ help: convert the identifier to upper case: `READ_WRITE`
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `ReadWriteExecute` should have an upper case name
[INFO] [stderr]    --> src/protect.rs:155:11
[INFO] [stderr]     |
[INFO] [stderr] 155 |     const ReadWriteExecute = (Self::Read.bits | Self::Write.bits | Self::Execute.bits);
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `READ_WRITE_EXECUTE`
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `WriteExecute` should have an upper case name
[INFO] [stderr]    --> src/protect.rs:157:11
[INFO] [stderr]     |
[INFO] [stderr] 157 |     const WriteExecute     = (Self::Write.bits | Self::Execute.bits);
[INFO] [stderr]     |           ^^^^^^^^^^^^ help: convert the identifier to upper case: `WRITE_EXECUTE`
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `None` should have an upper case name
[INFO] [stderr]    --> src/protect.rs:143:11
[INFO] [stderr]     |
[INFO] [stderr] 143 |     const None             = 0;
[INFO] [stderr]     |           ^^^^ help: convert the identifier to upper case: `NONE`
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.57s
[INFO] running `"docker" "inspect" "3a192a84716b5ad4a611b7fdfefe80a38bbd6e61b87594c80949f2ceec45d5f7"`
[INFO] running `"docker" "rm" "-f" "3a192a84716b5ad4a611b7fdfefe80a38bbd6e61b87594c80949f2ceec45d5f7"`
[INFO] [stdout] 3a192a84716b5ad4a611b7fdfefe80a38bbd6e61b87594c80949f2ceec45d5f7