[INFO] crate safe_cell_exts 0.3.0 is already in cache
[INFO] extracting crate safe_cell_exts 0.3.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/safe_cell_exts/0.3.0
[INFO] extracting crate safe_cell_exts 0.3.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/safe_cell_exts/0.3.0
[INFO] validating manifest of safe_cell_exts-0.3.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of safe_cell_exts-0.3.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing safe_cell_exts-0.3.0
[INFO] finished frobbing safe_cell_exts-0.3.0
[INFO] frobbed toml for safe_cell_exts-0.3.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/safe_cell_exts/0.3.0/Cargo.toml
[INFO] started frobbing safe_cell_exts-0.3.0
[INFO] finished frobbing safe_cell_exts-0.3.0
[INFO] frobbed toml for safe_cell_exts-0.3.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/safe_cell_exts/0.3.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing safe_cell_exts-0.3.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/safe_cell_exts/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 817249e71768b656c0534edaad37032f806cc9c32331a6e3ed8ca7a2e8818e5f
[INFO] running `"docker" "start" "-a" "817249e71768b656c0534edaad37032f806cc9c32331a6e3ed8ca7a2e8818e5f"`
[INFO] [stderr]    Compiling safe_cell_exts v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `"docker" "inspect" "817249e71768b656c0534edaad37032f806cc9c32331a6e3ed8ca7a2e8818e5f"`
[INFO] running `"docker" "rm" "-f" "817249e71768b656c0534edaad37032f806cc9c32331a6e3ed8ca7a2e8818e5f"`
[INFO] [stdout] 817249e71768b656c0534edaad37032f806cc9c32331a6e3ed8ca7a2e8818e5f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/safe_cell_exts/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8e07134a8e699d972146e349ecbba5de950534f939f3eb13f7d5f0099ef18ceb
[INFO] running `"docker" "start" "-a" "8e07134a8e699d972146e349ecbba5de950534f939f3eb13f7d5f0099ef18ceb"`
[INFO] [stderr]    Compiling safe_cell_exts v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `"docker" "inspect" "8e07134a8e699d972146e349ecbba5de950534f939f3eb13f7d5f0099ef18ceb"`
[INFO] running `"docker" "rm" "-f" "8e07134a8e699d972146e349ecbba5de950534f939f3eb13f7d5f0099ef18ceb"`
[INFO] [stdout] 8e07134a8e699d972146e349ecbba5de950534f939f3eb13f7d5f0099ef18ceb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/safe_cell_exts/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 35438e56c8281322b681b8d76db1512830dcc38ed041a93cea91cedf6baf178e
[INFO] running `"docker" "start" "-a" "35438e56c8281322b681b8d76db1512830dcc38ed041a93cea91cedf6baf178e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/safe_cell_exts-9b1c87c69a4a4c07
[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]    Doc-tests safe_cell_exts
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test src/lib.rs - CellBorrowSafe (line 182) ... ignored
[INFO] [stdout] test src/lib.rs - CellBuildHasherSafe (line 251) ... ignored
[INFO] [stdout] test src/lib.rs - CellCloneSafe (line 98) ... ignored
[INFO] [stdout] test src/lib.rs - CellHashSafe (line 209) ... ignored
[INFO] [stdout] test src/lib.rs - CellHasherSafe (line 238) ... ignored
[INFO] [stdout] test src/lib.rs - CellPartialEqSafe (line 140) ... ignored
[INFO] [stdout] test src/lib.rs - RcCellExt::strong_count (line 366) ... ok
[INFO] [stdout] test src/lib.rs - OptionCellExt::is_none (line 315) ... ok
[INFO] [stdout] test src/lib.rs - OptionCellExt::is_some (line 300) ... ok
[INFO] [stdout] test src/lib.rs - WeakCellExt::upgrade (line 447) ... ok
[INFO] [stdout] test src/lib.rs - RcCellExt::downgrade (line 350) ... ok
[INFO] [stdout] test src/lib.rs - RcCellExt::as_ptr_rc (line 398) ... ok
[INFO] [stdout] test src/lib.rs - RcCellExt::weak_count (line 381) ... ok
[INFO] [stdout] test src/lib.rs - CloneCellExt::get_clone (line 271) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 6 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "35438e56c8281322b681b8d76db1512830dcc38ed041a93cea91cedf6baf178e"`
[INFO] running `"docker" "rm" "-f" "35438e56c8281322b681b8d76db1512830dcc38ed041a93cea91cedf6baf178e"`
[INFO] [stdout] 35438e56c8281322b681b8d76db1512830dcc38ed041a93cea91cedf6baf178e