[INFO] fetching crate mktemp 0.4.0...
[INFO] testing mktemp-0.4.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate mktemp 0.4.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate mktemp 0.4.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mktemp 0.4.0
[INFO] finished tweaking crates.io crate mktemp 0.4.0
[INFO] tweaked toml for crates.io crate mktemp 0.4.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9d68b5dad89bd712b742492d58df10fa30e05218c91bcf9d6d0d5b8773de0cd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c9d68b5dad89bd712b742492d58df10fa30e05218c91bcf9d6d0d5b8773de0cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9d68b5dad89bd712b742492d58df10fa30e05218c91bcf9d6d0d5b8773de0cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9d68b5dad89bd712b742492d58df10fa30e05218c91bcf9d6d0d5b8773de0cd", kill_on_drop: false }`
[INFO] [stdout] c9d68b5dad89bd712b742492d58df10fa30e05218c91bcf9d6d0d5b8773de0cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff4c3f73ae18ef88a1db5a65828773753a13dc9effcf630625332d8800128d0c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ff4c3f73ae18ef88a1db5a65828773753a13dc9effcf630625332d8800128d0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling mktemp v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.39s
[INFO] running `Command { std: "docker" "inspect" "ff4c3f73ae18ef88a1db5a65828773753a13dc9effcf630625332d8800128d0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff4c3f73ae18ef88a1db5a65828773753a13dc9effcf630625332d8800128d0c", kill_on_drop: false }`
[INFO] [stdout] ff4c3f73ae18ef88a1db5a65828773753a13dc9effcf630625332d8800128d0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4599253d4dce482edb4190210f29190ea6015dd480bbc6f4535772d953182e07
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4599253d4dce482edb4190210f29190ea6015dd480bbc6f4535772d953182e07", kill_on_drop: false }`
[INFO] [stderr]    Compiling mktemp v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "4599253d4dce482edb4190210f29190ea6015dd480bbc6f4535772d953182e07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4599253d4dce482edb4190210f29190ea6015dd480bbc6f4535772d953182e07", kill_on_drop: false }`
[INFO] [stdout] 4599253d4dce482edb4190210f29190ea6015dd480bbc6f4535772d953182e07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 49baf12b46b2b9e2c99f3a98159a52e747bf1657a20624be7b32d9aacd3c1467
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "49baf12b46b2b9e2c99f3a98159a52e747bf1657a20624be7b32d9aacd3c1467", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mktemp-560ff88f8112899f
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::uninitialized_no_panic_on_drop_with_release ... ok
[INFO] [stdout] test tests::temp_file_only_readable_by_owner ... ok
[INFO] [stdout] test tests::temp_dir_only_readable_by_owner ... ok
[INFO] [stdout] test tests::it_should_drop_dir_out_of_scope ... ok
[INFO] [stdout] test tests::it_should_drop_file_out_of_scope ... ok
[INFO] [stdout] test tests::it_should_not_drop_released_file ... ok
[INFO] [stdout] test tests::it_should_create_file_in_dir ... ok
[INFO] [stdout] test tests::target_dir_must_exist ... ok
[INFO] [stdout] test tests::uninitialized_file ... ok
[INFO] [stdout] test tests::it_should_not_drop_released_dir ... ok
[INFO] [stderr]    Doc-tests mktemp
[INFO] [stdout] test tests::uninitialized_panic_on_drop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] test src/lib.rs - Temp::release (line 136) ... ok
[INFO] [stdout] test src/lib.rs - Temp::to_path_buf (line 122) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "49baf12b46b2b9e2c99f3a98159a52e747bf1657a20624be7b32d9aacd3c1467", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49baf12b46b2b9e2c99f3a98159a52e747bf1657a20624be7b32d9aacd3c1467", kill_on_drop: false }`
[INFO] [stdout] 49baf12b46b2b9e2c99f3a98159a52e747bf1657a20624be7b32d9aacd3c1467