[INFO] fetching crate tiny-nix-ipc 0.1.1...
[INFO] testing tiny-nix-ipc-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate tiny-nix-ipc 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tiny-nix-ipc 0.1.1 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 tiny-nix-ipc 0.1.1
[INFO] finished tweaking crates.io crate tiny-nix-ipc 0.1.1
[INFO] tweaked toml for crates.io crate tiny-nix-ipc 0.1.1 written to /workspace/builds/worker-2/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a70e331e3a86bb6786515f3e241197dd30c3aaa69eb2f9c6c4cd28497f15a8e
[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" "6a70e331e3a86bb6786515f3e241197dd30c3aaa69eb2f9c6c4cd28497f15a8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a70e331e3a86bb6786515f3e241197dd30c3aaa69eb2f9c6c4cd28497f15a8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a70e331e3a86bb6786515f3e241197dd30c3aaa69eb2f9c6c4cd28497f15a8e", kill_on_drop: false }`
[INFO] [stdout] 6a70e331e3a86bb6786515f3e241197dd30c3aaa69eb2f9c6c4cd28497f15a8e
[INFO] running `Command { std: "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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fc2f591224741fa23fc9b7d6ec7837a7b1c4734edf63708238a0e4f83ab0bd6
[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" "3fc2f591224741fa23fc9b7d6ec7837a7b1c4734edf63708238a0e4f83ab0bd6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling tiny-nix-ipc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.52s
[INFO] running `Command { std: "docker" "inspect" "3fc2f591224741fa23fc9b7d6ec7837a7b1c4734edf63708238a0e4f83ab0bd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fc2f591224741fa23fc9b7d6ec7837a7b1c4734edf63708238a0e4f83ab0bd6", kill_on_drop: false }`
[INFO] [stdout] 3fc2f591224741fa23fc9b7d6ec7837a7b1c4734edf63708238a0e4f83ab0bd6
[INFO] running `Command { std: "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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 60b6f5550cf941416e79e4295b97c12113fa151f22bf8652b3232ad4d90f35cd
[INFO] running `Command { std: "docker" "start" "-a" "60b6f5550cf941416e79e4295b97c12113fa151f22bf8652b3232ad4d90f35cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling shmemfdrs v0.1.1
[INFO] [stderr]    Compiling tiny-nix-ipc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.29s
[INFO] running `Command { std: "docker" "inspect" "60b6f5550cf941416e79e4295b97c12113fa151f22bf8652b3232ad4d90f35cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60b6f5550cf941416e79e4295b97c12113fa151f22bf8652b3232ad4d90f35cd", kill_on_drop: false }`
[INFO] [stdout] 60b6f5550cf941416e79e4295b97c12113fa151f22bf8652b3232ad4d90f35cd
[INFO] running `Command { std: "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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fa1235503e7b27d2bf68238347002cd2b218c2e3be3f977df374ecbf8533ad20
[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" "fa1235503e7b27d2bf68238347002cd2b218c2e3be3f977df374ecbf8533ad20", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] running 4 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tiny_nix_ipc-3a779468874e3e12
[INFO] [stdout] test tests::test_slice_with_len_success ... ok
[INFO] [stderr]    Doc-tests tiny-nix-ipc
[INFO] [stdout] test tests::test_slice_buf_too_short ... ok
[INFO] [stdout] test tests::test_slice_success ... ok
[INFO] [stdout] test tests::test_fd_passing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "fa1235503e7b27d2bf68238347002cd2b218c2e3be3f977df374ecbf8533ad20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa1235503e7b27d2bf68238347002cd2b218c2e3be3f977df374ecbf8533ad20", kill_on_drop: false }`
[INFO] [stdout] fa1235503e7b27d2bf68238347002cd2b218c2e3be3f977df374ecbf8533ad20