[INFO] crate rusty-sandbox 0.2.0 is already in cache
[INFO] checking rusty-sandbox-0.2.0 against try#71b81291baafb8a58836272757b28817fe1d8190 for pr-73102
[INFO] extracting crate rusty-sandbox 0.2.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate rusty-sandbox 0.2.0 on toolchain 71b81291baafb8a58836272757b28817fe1d8190
[INFO] running `"/workspace/cargo-home/bin/cargo" "+71b81291baafb8a58836272757b28817fe1d8190" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rusty-sandbox 0.2.0
[INFO] finished tweaking crates.io crate rusty-sandbox 0.2.0
[INFO] tweaked toml for crates.io crate rusty-sandbox 0.2.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+71b81291baafb8a58836272757b28817fe1d8190" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+71b81291baafb8a58836272757b28817fe1d8190" "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" "+71b81291baafb8a58836272757b28817fe1d8190" "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] 892329d1a5865b3fc5eda61e285c1b0ac500b73d3b045a343c80f049b05c735b
[INFO] running `"docker" "start" "-a" "892329d1a5865b3fc5eda61e285c1b0ac500b73d3b045a343c80f049b05c735b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking unix_socket v0.5.0
[INFO] [stderr]     Checking rusty-sandbox v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:67:45
[INFO] [stderr]    |
[INFO] [stderr] 67 |         let (parent_socket, child_socket) = try!(UnixStream::pair());
[INFO] [stderr]    |                                             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/platform/unsupported.rs:3:33
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn enter_sandbox<'a>(_: Box<Iterator<Item=&'a fs::Directory> + 'a>) -> bool {
[INFO] [stderr]   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=&'a fs::Directory> + 'a`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:67:45
[INFO] [stderr]    |
[INFO] [stderr] 67 |         let (parent_socket, child_socket) = try!(UnixStream::pair());
[INFO] [stderr]    |                                             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/platform/unsupported.rs:3:33
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn enter_sandbox<'a>(_: Box<Iterator<Item=&'a fs::Directory> + 'a>) -> bool {
[INFO] [stderr]   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=&'a fs::Directory> + 'a`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:119:13
[INFO] [stderr]     |
[INFO] [stderr] 119 |         let mut f = File::open("UNLICENSE").unwrap();
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:120:13
[INFO] [stderr]     |
[INFO] [stderr] 120 |         let mut process = Sandbox::new()
[INFO] [stderr]     |             ----^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "892329d1a5865b3fc5eda61e285c1b0ac500b73d3b045a343c80f049b05c735b"`
[INFO] running `"docker" "rm" "-f" "892329d1a5865b3fc5eda61e285c1b0ac500b73d3b045a343c80f049b05c735b"`
[INFO] [stdout] 892329d1a5865b3fc5eda61e285c1b0ac500b73d3b045a343c80f049b05c735b