[INFO] fetching crate mkstemp-rs 1.0.0...
[INFO] testing mkstemp-rs-1.0.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate mkstemp-rs 1.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate mkstemp-rs 1.0.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mkstemp-rs 1.0.0
[INFO] finished tweaking crates.io crate mkstemp-rs 1.0.0
[INFO] tweaked toml for crates.io crate mkstemp-rs 1.0.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8df5b100345bad71e02321f1c6bf080188786b9d9ce360a8793f54abd53ecaa6
[INFO] running `"docker" "start" "-a" "8df5b100345bad71e02321f1c6bf080188786b9d9ce360a8793f54abd53ecaa6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling mkstemp-rs v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `"docker" "inspect" "8df5b100345bad71e02321f1c6bf080188786b9d9ce360a8793f54abd53ecaa6"`
[INFO] running `"docker" "rm" "-f" "8df5b100345bad71e02321f1c6bf080188786b9d9ce360a8793f54abd53ecaa6"`
[INFO] [stdout] 8df5b100345bad71e02321f1c6bf080188786b9d9ce360a8793f54abd53ecaa6
[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=warn" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 90cf3f2fa9c277840cd9981ff2f4af67113a2fe35232846ab0cc643800d2798c
[INFO] running `"docker" "start" "-a" "90cf3f2fa9c277840cd9981ff2f4af67113a2fe35232846ab0cc643800d2798c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling mkstemp-rs v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> tests/mkstemp.rs:5:26
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn do_write(writer: &mut Write) -> Result<usize> {
[INFO] [stderr]   |                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "90cf3f2fa9c277840cd9981ff2f4af67113a2fe35232846ab0cc643800d2798c"`
[INFO] running `"docker" "rm" "-f" "90cf3f2fa9c277840cd9981ff2f4af67113a2fe35232846ab0cc643800d2798c"`
[INFO] [stdout] 90cf3f2fa9c277840cd9981ff2f4af67113a2fe35232846ab0cc643800d2798c
[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=warn" "-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" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 127e1c99e8c44d6c85070b54579fb04479a4530951e0750c5f3796c8f7bea2c8
[INFO] running `"docker" "start" "-a" "127e1c99e8c44d6c85070b54579fb04479a4530951e0750c5f3796c8f7bea2c8"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> tests/mkstemp.rs:5:26
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn do_write(writer: &mut Write) -> Result<usize> {
[INFO] [stderr]   |                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mkstemp-10b2eabf162ce515
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mkstemp-e9cc5d0b59dab7eb
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test mkstemp ... ok
[INFO] [stderr]    Doc-tests mkstemp
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "127e1c99e8c44d6c85070b54579fb04479a4530951e0750c5f3796c8f7bea2c8"`
[INFO] running `"docker" "rm" "-f" "127e1c99e8c44d6c85070b54579fb04479a4530951e0750c5f3796c8f7bea2c8"`
[INFO] [stdout] 127e1c99e8c44d6c85070b54579fb04479a4530951e0750c5f3796c8f7bea2c8