[INFO] fetching crate os_error 0.1.0...
[INFO] testing os_error-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate os_error 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate os_error 0.1.0 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 os_error 0.1.0
[INFO] finished tweaking crates.io crate os_error 0.1.0
[INFO] tweaked toml for crates.io crate os_error 0.1.0 written to /workspace/builds/worker-9/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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 05312b2331c9493c08f92fe5aec2181c326a1f809d5f72a8a0ab0011d8f108a5
[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" "05312b2331c9493c08f92fe5aec2181c326a1f809d5f72a8a0ab0011d8f108a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05312b2331c9493c08f92fe5aec2181c326a1f809d5f72a8a0ab0011d8f108a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05312b2331c9493c08f92fe5aec2181c326a1f809d5f72a8a0ab0011d8f108a5", kill_on_drop: false }`
[INFO] [stdout] 05312b2331c9493c08f92fe5aec2181c326a1f809d5f72a8a0ab0011d8f108a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 536e8310ba5ff3dbe8e978cf421ae70f300d8f6b5a72bb5a5d3ee434bd74d351
[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" "536e8310ba5ff3dbe8e978cf421ae70f300d8f6b5a72bb5a5d3ee434bd74d351", kill_on_drop: false }`
[INFO] [stderr]    Compiling os_error v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "536e8310ba5ff3dbe8e978cf421ae70f300d8f6b5a72bb5a5d3ee434bd74d351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "536e8310ba5ff3dbe8e978cf421ae70f300d8f6b5a72bb5a5d3ee434bd74d351", kill_on_drop: false }`
[INFO] [stdout] 536e8310ba5ff3dbe8e978cf421ae70f300d8f6b5a72bb5a5d3ee434bd74d351
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] c56612e9fee5bafb71949f9e19fbd647a4a2ec57d7b86dca7295490e26e07b2a
[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" "c56612e9fee5bafb71949f9e19fbd647a4a2ec57d7b86dca7295490e26e07b2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling os_error v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "c56612e9fee5bafb71949f9e19fbd647a4a2ec57d7b86dca7295490e26e07b2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c56612e9fee5bafb71949f9e19fbd647a4a2ec57d7b86dca7295490e26e07b2a", kill_on_drop: false }`
[INFO] [stdout] c56612e9fee5bafb71949f9e19fbd647a4a2ec57d7b86dca7295490e26e07b2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 0fa2503c9f821cb6731c86a2c438ff6566b7336c4094c1e416731fefbe5c9e71
[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" "0fa2503c9f821cb6731c86a2c438ff6566b7336c4094c1e416731fefbe5c9e71", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/os_error-7fd9ef4f01a8846e
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_fmt_debug ... ok
[INFO] [stdout] test tests::test_fmt_display ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests os_error
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - OsError::code (line 66) ... ok
[INFO] [stdout] test src/lib.rs - OsError::kind (line 82) ... ok
[INFO] [stdout] test src/lib.rs - OsError::new (line 33) ... ok
[INFO] [stdout] test src/lib.rs - OsError::last_os_error (line 53) ... ok
[INFO] [stdout] test src/lib.rs - OsError::new (line 22) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0fa2503c9f821cb6731c86a2c438ff6566b7336c4094c1e416731fefbe5c9e71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fa2503c9f821cb6731c86a2c438ff6566b7336c4094c1e416731fefbe5c9e71", kill_on_drop: false }`
[INFO] [stdout] 0fa2503c9f821cb6731c86a2c438ff6566b7336c4094c1e416731fefbe5c9e71