[INFO] fetching crate stdext 0.2.1...
[INFO] testing stdext-0.2.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate stdext 0.2.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate stdext 0.2.1 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 stdext 0.2.1
[INFO] finished tweaking crates.io crate stdext 0.2.1
[INFO] tweaked toml for crates.io crate stdext 0.2.1 written to /workspace/builds/worker-10/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-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" "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] 3782b8b9ba8d6c9525f6a9f3fcdd3f1795c2d43dc6f7dfc873ea9b597c7328c4
[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" "3782b8b9ba8d6c9525f6a9f3fcdd3f1795c2d43dc6f7dfc873ea9b597c7328c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3782b8b9ba8d6c9525f6a9f3fcdd3f1795c2d43dc6f7dfc873ea9b597c7328c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3782b8b9ba8d6c9525f6a9f3fcdd3f1795c2d43dc6f7dfc873ea9b597c7328c4", kill_on_drop: false }`
[INFO] [stdout] 3782b8b9ba8d6c9525f6a9f3fcdd3f1795c2d43dc6f7dfc873ea9b597c7328c4
[INFO] running `Command { std: "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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 09ca078c96e71c31622dc021df45c465e6af7e747f17fe46b0784412ed8b67fc
[INFO] running `Command { std: "docker" "start" "-a" "09ca078c96e71c31622dc021df45c465e6af7e747f17fe46b0784412ed8b67fc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling stdext v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "09ca078c96e71c31622dc021df45c465e6af7e747f17fe46b0784412ed8b67fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09ca078c96e71c31622dc021df45c465e6af7e747f17fe46b0784412ed8b67fc", kill_on_drop: false }`
[INFO] [stdout] 09ca078c96e71c31622dc021df45c465e6af7e747f17fe46b0784412ed8b67fc
[INFO] running `Command { std: "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" "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] 251209abddad7cf3ab619a35a10d486d1ea3c41292ae87e4244340aaf5e32bc8
[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" "251209abddad7cf3ab619a35a10d486d1ea3c41292ae87e4244340aaf5e32bc8", kill_on_drop: false }`
[INFO] [stderr]    Compiling stdext v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "251209abddad7cf3ab619a35a10d486d1ea3c41292ae87e4244340aaf5e32bc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "251209abddad7cf3ab619a35a10d486d1ea3c41292ae87e4244340aaf5e32bc8", kill_on_drop: false }`
[INFO] [stdout] 251209abddad7cf3ab619a35a10d486d1ea3c41292ae87e4244340aaf5e32bc8
[INFO] running `Command { std: "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" "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] 400346fba3ca5a561042071a92693efc05a6391b3699b886b7a330e1f948e375
[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" "400346fba3ca5a561042071a92693efc05a6391b3699b886b7a330e1f948e375", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/stdext-d553d9c299815f43
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test duration::tests::add_methods ... ok
[INFO] [stdout] test duration::tests::as_methods ... ok
[INFO] [stdout] test duration::tests::from_methods ... ok
[INFO] [stdout] test option::tests::combine ... ok
[INFO] [stdout] test result::tests::combine ... ok
[INFO] [stdout] test option::tests::combine_with ... ok
[INFO] [stdout] test result::tests::combine_with ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stdext
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test src/duration.rs - duration::DurationExt::add_hours (line 141) ... ok
[INFO] [stdout] test src/duration.rs - duration::DurationExt::from_hours (line 35) ... ok
[INFO] [stdout] test src/duration.rs - duration::DurationExt::add_minutes (line 127) ... ok
[INFO] [stdout] test src/duration.rs - duration::DurationExt::add_days (line 155) ... ok
[INFO] [stdout] test src/duration.rs - duration::DurationExt::add_nanos (line 71) ... ok
[INFO] [stdout] test src/duration.rs - duration::DurationExt::as_minutes (line 169) ... ok
[INFO] [stdout] test src/duration.rs - duration::DurationExt::add_micros (line 85) ... ok
[INFO] [stdout] test src/duration.rs - duration::DurationExt::as_hours (line 182) ... ok
[INFO] [stdout] test src/lib.rs - (line 110) ... ok
[INFO] [stdout] test src/duration.rs - duration::DurationExt::add_secs (line 113) ... ok
[INFO] [stdout] test src/duration.rs - duration::DurationExt::as_days (line 195) ... ok
[INFO] [stdout] test src/duration.rs - duration::DurationExt::add_millis (line 99) ... ok
[INFO] [stdout] test src/duration.rs - duration::DurationExt::from_days (line 53) ... ok
[INFO] [stdout] test src/lib.rs - (line 59) ... ok
[INFO] [stdout] test src/duration.rs - duration::DurationExt::from_minutes (line 17) ... ok
[INFO] [stdout] test src/lib.rs - (line 71) ... ok
[INFO] [stdout] test src/macros.rs - compile_warning (line 7) ... ok
[INFO] [stdout] test src/option.rs - option::OptionExt::combine (line 18) ... ok
[INFO] [stdout] test src/macros.rs - function_name (line 48) ... ok
[INFO] [stdout] test src/option.rs - option::OptionExt::combine_with (line 43) ... ok
[INFO] [stdout] test src/lib.rs - (line 87) ... ok
[INFO] [stdout] test src/result.rs - result::ResultExt::combine_with (line 39) ... ok
[INFO] [stdout] test src/result.rs - result::ResultExt::combine (line 16) ... ok
[INFO] [stdout] test src/sync/mutex.rs - sync::mutex::MutexExt::force_lock (line 16) ... ok
[INFO] [stdout] test src/vec.rs - vec::VecExt::remove_item (line 52) ... ok
[INFO] [stdout] test src/sync/rw_lock.rs - sync::rw_lock::RwLockExt::force_write (line 34) ... ok
[INFO] [stdout] test src/sync/rw_lock.rs - sync::rw_lock::RwLockExt::force_read (line 16) ... ok
[INFO] [stdout] test src/str.rs - str::StrExt::splitn_exact (line 34) ... ok
[INFO] [stdout] test src/vec.rs - vec::VecExtClone::resize_up (line 85) ... ok
[INFO] [stdout] test src/vec.rs - vec::VecExt::resize_up_with (line 21) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "400346fba3ca5a561042071a92693efc05a6391b3699b886b7a330e1f948e375", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "400346fba3ca5a561042071a92693efc05a6391b3699b886b7a330e1f948e375", kill_on_drop: false }`
[INFO] [stdout] 400346fba3ca5a561042071a92693efc05a6391b3699b886b7a330e1f948e375