[INFO] crate codespawn 0.3.3 is already in cache
[INFO] extracting crate codespawn 0.3.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/codespawn/0.3.3
[INFO] extracting crate codespawn 0.3.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/codespawn/0.3.3
[INFO] validating manifest of codespawn-0.3.3 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 codespawn-0.3.3 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 codespawn-0.3.3
[INFO] finished frobbing codespawn-0.3.3
[INFO] frobbed toml for codespawn-0.3.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/codespawn/0.3.3/Cargo.toml
[INFO] started frobbing codespawn-0.3.3
[INFO] finished frobbing codespawn-0.3.3
[INFO] frobbed toml for codespawn-0.3.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/codespawn/0.3.3/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] [stderr]     Blocking waiting for file lock on package cache
[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] testing codespawn-0.3.3 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/codespawn/0.3.3:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] f5bcc4a347cd335628a580010b023947dce6e347a497e4bd1e6b450c73471081
[INFO] running `"docker" "start" "-a" "f5bcc4a347cd335628a580010b023947dce6e347a497e4bd1e6b450c73471081"`
[INFO] [stderr]    Compiling json v0.10.3
[INFO] [stderr]    Compiling codespawn v0.3.3 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/raw_code.rs:250:17
[INFO] [stderr]     |
[INFO] [stderr] 250 |             let mut parent = some_get!(raw_code.elements.last_mut());
[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]     Finished dev [unoptimized + debuginfo] target(s) in 3.49s
[INFO] running `"docker" "inspect" "f5bcc4a347cd335628a580010b023947dce6e347a497e4bd1e6b450c73471081"`
[INFO] running `"docker" "rm" "-f" "f5bcc4a347cd335628a580010b023947dce6e347a497e4bd1e6b450c73471081"`
[INFO] [stdout] f5bcc4a347cd335628a580010b023947dce6e347a497e4bd1e6b450c73471081
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/codespawn/0.3.3:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4a4ca2b9ba8e9dca51a12245cd6ab2fc6291259025f15be399d8ffe0e079574a
[INFO] running `"docker" "start" "-a" "4a4ca2b9ba8e9dca51a12245cd6ab2fc6291259025f15be399d8ffe0e079574a"`
[INFO] [stderr]    Compiling codespawn v0.3.3 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/raw_code.rs:250:17
[INFO] [stderr]     |
[INFO] [stderr] 250 |             let mut parent = some_get!(raw_code.elements.last_mut());
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `"docker" "inspect" "4a4ca2b9ba8e9dca51a12245cd6ab2fc6291259025f15be399d8ffe0e079574a"`
[INFO] running `"docker" "rm" "-f" "4a4ca2b9ba8e9dca51a12245cd6ab2fc6291259025f15be399d8ffe0e079574a"`
[INFO] [stdout] 4a4ca2b9ba8e9dca51a12245cd6ab2fc6291259025f15be399d8ffe0e079574a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/codespawn/0.3.3:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 1fdb6b65d8c0022d5251e064cc6f84ee3a971f179605352205d11b76b7a4a9d1
[INFO] running `"docker" "start" "-a" "1fdb6b65d8c0022d5251e064cc6f84ee3a971f179605352205d11b76b7a4a9d1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/codespawn-37720d6fc166e7cd
[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]      Running /opt/crater/target/debug/deps/lib-422512c8a6df16b8
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test check_from_json ... ok
[INFO] [stdout] test check_from_xml ... ok
[INFO] [stdout] test check_from_json_fail_malformed ... ok
[INFO] [stdout] test check_from_json_fail_func ... ok
[INFO] [stdout] test check_from_json_fail_cfg ... ok
[INFO] [stdout] test check_from_json_fail ... ok
[INFO] [stdout] test check_from_xml_fail_enum ... ok
[INFO] [stdout] test check_from_xml_fail_malformed_cfg ... ok
[INFO] [stdout] test check_from_xml_fail_malformed ... ok
[INFO] [stdout] test check_from_json_fail_bitflags ... ok
[INFO] [stdout] test check_simple_json ... ok
[INFO] [stdout] test check_from_xml_fail_bitflags ... ok
[INFO] [stdout] test check_from_json_fail_enum ... ok
[INFO] [stdout] test check_from_xml_fail_cfg ... ok
[INFO] [stdout] test check_from_xml_fail ... ok
[INFO] [stdout] test check_from_xml_fail_func ... ok
[INFO] [stdout] test check_write_file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests codespawn
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/fmt_code.rs - fmt_code::FormattedCode::to_file (line 91) ... ok
[INFO] [stdout] test src/lib.rs -  (line 13) ... ok
[INFO] [stdout] test src/lib.rs - from_json (line 74) ... ok
[INFO] [stdout] test src/fmt_code.rs - fmt_code::FormattedCode::to_string (line 112) ... ok
[INFO] [stdout] test src/lib.rs - from_json_str (line 87) ... ok
[INFO] [stdout] test src/raw_code.rs - raw_code::RawCode::to_cpp (line 87) ... ok
[INFO] [stdout] test src/lib.rs - from_xml (line 48) ... ok
[INFO] [stdout] test src/lib.rs - from_xml_str (line 61) ... ok
[INFO] [stdout] test src/raw_code.rs - raw_code::RawCode::to_rust (line 101) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1fdb6b65d8c0022d5251e064cc6f84ee3a971f179605352205d11b76b7a4a9d1"`
[INFO] running `"docker" "rm" "-f" "1fdb6b65d8c0022d5251e064cc6f84ee3a971f179605352205d11b76b7a4a9d1"`
[INFO] [stdout] 1fdb6b65d8c0022d5251e064cc6f84ee3a971f179605352205d11b76b7a4a9d1