[INFO] crate copy_arena 0.1.1 is already in cache [INFO] extracting crate copy_arena 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/copy_arena/0.1.1 [INFO] extracting crate copy_arena 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/copy_arena/0.1.1 [INFO] validating manifest of copy_arena-0.1.1 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 copy_arena-0.1.1 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 copy_arena-0.1.1 [INFO] finished frobbing copy_arena-0.1.1 [INFO] frobbed toml for copy_arena-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/copy_arena/0.1.1/Cargo.toml [INFO] started frobbing copy_arena-0.1.1 [INFO] finished frobbing copy_arena-0.1.1 [INFO] frobbed toml for copy_arena-0.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/copy_arena/0.1.1/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] testing copy_arena-0.1.1 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/copy_arena/0.1.1:/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] 9afe67f4cc84ec1211366ff6adfd8d68b3a7f49244d28d88baa59793b5cb9daa [INFO] running `"docker" "start" "-a" "9afe67f4cc84ec1211366ff6adfd8d68b3a7f49244d28d88baa59793b5cb9daa"` [INFO] [stderr] Compiling copy_arena v0.1.1 (/opt/crater/workdir) [INFO] [stderr] warning: use of deprecated item 'std::mem::min_align_of': use `align_of` instead [INFO] [stderr] --> src/lib.rs:180:58 [INFO] [stderr] | [INFO] [stderr] 180 | let memory = self.alloc_raw(mem::size_of::(), mem::min_align_of::()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(deprecated)] on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::mem::min_align_of': use `align_of` instead [INFO] [stderr] --> src/lib.rs:196:49 [INFO] [stderr] | [INFO] [stderr] 196 | let memory = self.alloc_raw(byte_count, mem::min_align_of::()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:203:13 [INFO] [stderr] | [INFO] [stderr] 203 | let mut slice = self.alloc_slice_raw(elems.len()); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:215:13 [INFO] [stderr] | [INFO] [stderr] 215 | let mut slice = self.alloc_slice_raw(len); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.29s [INFO] running `"docker" "inspect" "9afe67f4cc84ec1211366ff6adfd8d68b3a7f49244d28d88baa59793b5cb9daa"` [INFO] running `"docker" "rm" "-f" "9afe67f4cc84ec1211366ff6adfd8d68b3a7f49244d28d88baa59793b5cb9daa"` [INFO] [stdout] 9afe67f4cc84ec1211366ff6adfd8d68b3a7f49244d28d88baa59793b5cb9daa [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/copy_arena/0.1.1:/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] 60947215df5930103430461759fbee450b32c593b96cafe9a11c6b1779378fd2 [INFO] running `"docker" "start" "-a" "60947215df5930103430461759fbee450b32c593b96cafe9a11c6b1779378fd2"` [INFO] [stderr] Compiling copy_arena v0.1.1 (/opt/crater/workdir) [INFO] [stderr] warning: use of deprecated item 'std::mem::min_align_of': use `align_of` instead [INFO] [stderr] --> src/lib.rs:180:58 [INFO] [stderr] | [INFO] [stderr] 180 | let memory = self.alloc_raw(mem::size_of::(), mem::min_align_of::()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(deprecated)] on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::mem::min_align_of': use `align_of` instead [INFO] [stderr] --> src/lib.rs:196:49 [INFO] [stderr] | [INFO] [stderr] 196 | let memory = self.alloc_raw(byte_count, mem::min_align_of::()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:203:13 [INFO] [stderr] | [INFO] [stderr] 203 | let mut slice = self.alloc_slice_raw(elems.len()); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:215:13 [INFO] [stderr] | [INFO] [stderr] 215 | let mut slice = self.alloc_slice_raw(len); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.76s [INFO] running `"docker" "inspect" "60947215df5930103430461759fbee450b32c593b96cafe9a11c6b1779378fd2"` [INFO] running `"docker" "rm" "-f" "60947215df5930103430461759fbee450b32c593b96cafe9a11c6b1779378fd2"` [INFO] [stdout] 60947215df5930103430461759fbee450b32c593b96cafe9a11c6b1779378fd2 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/copy_arena/0.1.1:/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] c380f38cb1a20bf826eac0f5bcefa953de8ef81a41e7c7aeaf31c6a3eabd705f [INFO] running `"docker" "start" "-a" "c380f38cb1a20bf826eac0f5bcefa953de8ef81a41e7c7aeaf31c6a3eabd705f"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/copy_arena-5ffb4331ca94ed06 [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test barely_too_little_capacity ... ok [INFO] [stdout] test construct_simple ... ok [INFO] [stdout] test zero_capacity ... ok [INFO] [stdout] test surprisingly_large ... ok [INFO] [stdout] test construct_slices ... ok [INFO] [stdout] test many_u8s ... ok [INFO] [stdout] test zero_size ... ok [INFO] [stderr] Doc-tests copy_arena [INFO] [stdout] test just_enough_capacity ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - (line 30) ... ok [INFO] [stdout] test src/lib.rs - (line 14) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "c380f38cb1a20bf826eac0f5bcefa953de8ef81a41e7c7aeaf31c6a3eabd705f"` [INFO] running `"docker" "rm" "-f" "c380f38cb1a20bf826eac0f5bcefa953de8ef81a41e7c7aeaf31c6a3eabd705f"` [INFO] [stdout] c380f38cb1a20bf826eac0f5bcefa953de8ef81a41e7c7aeaf31c6a3eabd705f