Dec 14 19:24:14.872 INFO testing smetamath-3.0.0 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 19:24:14.872 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 19:24:15.339 INFO [stdout] a01b700f530e09937fad07bb8d633a601efdb5dc9e2b403274cd916d308e3a44
Dec 14 19:24:15.341 INFO running `"docker" "start" "-a" "a01b700f530e09937fad07bb8d633a601efdb5dc9e2b403274cd916d308e3a44"`
Dec 14 19:24:17.719 INFO [stderr] usermod: no changes
Dec 14 19:24:17.847 INFO [stderr]    Compiling libc v0.2.45
Dec 14 19:24:17.847 INFO [stderr]    Compiling unicode-width v0.1.5
Dec 14 19:24:17.851 INFO [stderr]    Compiling ansi_term v0.11.0
Dec 14 19:24:17.851 INFO [stderr]    Compiling bitflags v1.0.4
Dec 14 19:24:17.851 INFO [stderr]    Compiling vec_map v0.8.1
Dec 14 19:24:17.851 INFO [stderr]    Compiling cfg-if v0.1.6
Dec 14 19:24:17.851 INFO [stderr]    Compiling strsim v0.7.0
Dec 14 19:24:17.851 INFO [stderr]    Compiling fnv v1.0.6
Dec 14 19:24:19.392 INFO [stderr]    Compiling textwrap v0.10.0
Dec 14 19:24:31.365 INFO [stderr]    Compiling atty v0.2.11
Dec 14 19:24:31.372 INFO [stderr]    Compiling filetime v0.1.15
Dec 14 19:24:32.331 INFO [stderr]    Compiling clap v2.32.0
Dec 14 19:25:20.691 INFO [stderr]    Compiling smetamath v3.0.0 (/source)
Dec 14 19:25:22.679 INFO [stderr] warning: variable does not need to be mutable
Dec 14 19:25:22.679 INFO [stderr]    --> src/database.rs:247:25
Dec 14 19:25:22.680 INFO [stderr]     |
Dec 14 19:25:22.680 INFO [stderr] 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Dec 14 19:25:22.680 INFO [stderr]     |                         ----^^
Dec 14 19:25:22.680 INFO [stderr]     |                         |
Dec 14 19:25:22.680 INFO [stderr]     |                         help: remove this `mut`
Dec 14 19:25:22.681 INFO [stderr]     |
Dec 14 19:25:22.681 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 14 19:25:22.681 INFO [stderr] 
Dec 14 19:25:22.681 INFO [stderr] warning: variable does not need to be mutable
Dec 14 19:25:22.681 INFO [stderr]    --> src/database.rs:247:25
Dec 14 19:25:22.682 INFO [stderr]     |
Dec 14 19:25:22.682 INFO [stderr] 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Dec 14 19:25:22.682 INFO [stderr]     |                         ----^^
Dec 14 19:25:22.682 INFO [stderr]     |                         |
Dec 14 19:25:22.683 INFO [stderr]     |                         help: remove this `mut`
Dec 14 19:25:22.683 INFO [stderr] 
Dec 14 19:25:22.683 INFO [stderr] warning: variable does not need to be mutable
Dec 14 19:25:22.683 INFO [stderr]    --> src/database.rs:268:25
Dec 14 19:25:22.683 INFO [stderr]     |
Dec 14 19:25:22.684 INFO [stderr] 268 |                     let mut ns = Arc::make_mut(self.prev_scopes.as_mut().unwrap());
Dec 14 19:25:22.684 INFO [stderr]     |                         ----^^
Dec 14 19:25:22.684 INFO [stderr]     |                         |
Dec 14 19:25:22.684 INFO [stderr]     |                         help: remove this `mut`
Dec 14 19:25:22.685 INFO [stderr] 
Dec 14 19:25:22.695 INFO [stderr] warning: variable does not need to be mutable
Dec 14 19:25:22.695 INFO [stderr]    --> src/database.rs:291:25
Dec 14 19:25:22.695 INFO [stderr]     |
Dec 14 19:25:22.696 INFO [stderr] 291 |                     let mut ver = Arc::make_mut(self.prev_verify.as_mut().unwrap());
Dec 14 19:25:22.696 INFO [stderr]     |                         ----^^^
Dec 14 19:25:22.696 INFO [stderr]     |                         |
Dec 14 19:25:22.696 INFO [stderr]     |                         help: remove this `mut`
Dec 14 19:25:22.697 INFO [stderr] 
Dec 14 19:25:56.889 INFO [stderr]     Finished dev [optimized + debuginfo] target(s) in 1m 39s
Dec 14 19:25:56.895 INFO [stderr] su: No module specific data is present
Dec 14 19:25:57.427 INFO running `"docker" "inspect" "a01b700f530e09937fad07bb8d633a601efdb5dc9e2b403274cd916d308e3a44"`
Dec 14 19:25:57.749 INFO running `"docker" "rm" "-f" "a01b700f530e09937fad07bb8d633a601efdb5dc9e2b403274cd916d308e3a44"`
Dec 14 19:25:58.063 INFO [stdout] a01b700f530e09937fad07bb8d633a601efdb5dc9e2b403274cd916d308e3a44
Dec 14 19:25:58.069 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 19:25:58.557 INFO [stdout] 5e738a14dcd8cfe73024e88f4f1327badb91f0197ea90d06f7e38f7426fdcb0e
Dec 14 19:25:58.561 INFO running `"docker" "start" "-a" "5e738a14dcd8cfe73024e88f4f1327badb91f0197ea90d06f7e38f7426fdcb0e"`
Dec 14 19:25:59.846 INFO [stderr] usermod: no changes
Dec 14 19:25:59.935 INFO [stderr]    Compiling smetamath v3.0.0 (/source)
Dec 14 19:26:01.841 INFO [stderr] warning: variable does not need to be mutable
Dec 14 19:26:01.841 INFO [stderr]    --> src/database.rs:247:25
Dec 14 19:26:01.841 INFO [stderr]     |
Dec 14 19:26:01.841 INFO [stderr] 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Dec 14 19:26:01.841 INFO [stderr]     |                         ----^^
Dec 14 19:26:01.841 INFO [stderr]     |                         |
Dec 14 19:26:01.841 INFO [stderr]     |                         help: remove this `mut`
Dec 14 19:26:01.842 INFO [stderr]     |
Dec 14 19:26:01.842 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 14 19:26:01.842 INFO [stderr] 
Dec 14 19:26:01.842 INFO [stderr] warning: variable does not need to be mutable
Dec 14 19:26:01.842 INFO [stderr]    --> src/database.rs:247:25
Dec 14 19:26:01.842 INFO [stderr]     |
Dec 14 19:26:01.842 INFO [stderr] 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Dec 14 19:26:01.842 INFO [stderr]     |                         ----^^
Dec 14 19:26:01.842 INFO [stderr]     |                         |
Dec 14 19:26:01.842 INFO [stderr]     |                         help: remove this `mut`
Dec 14 19:26:01.842 INFO [stderr] 
Dec 14 19:26:01.845 INFO [stderr] warning: variable does not need to be mutable
Dec 14 19:26:01.845 INFO [stderr]    --> src/database.rs:268:25
Dec 14 19:26:01.845 INFO [stderr]     |
Dec 14 19:26:01.845 INFO [stderr] 268 |                     let mut ns = Arc::make_mut(self.prev_scopes.as_mut().unwrap());
Dec 14 19:26:01.845 INFO [stderr]     |                         ----^^
Dec 14 19:26:01.845 INFO [stderr]     |                         |
Dec 14 19:26:01.845 INFO [stderr]     |                         help: remove this `mut`
Dec 14 19:26:01.845 INFO [stderr] 
Dec 14 19:26:01.845 INFO [stderr] warning: variable does not need to be mutable
Dec 14 19:26:01.845 INFO [stderr]    --> src/database.rs:291:25
Dec 14 19:26:01.845 INFO [stderr]     |
Dec 14 19:26:01.845 INFO [stderr] 291 |                     let mut ver = Arc::make_mut(self.prev_verify.as_mut().unwrap());
Dec 14 19:26:01.845 INFO [stderr]     |                         ----^^^
Dec 14 19:26:01.845 INFO [stderr]     |                         |
Dec 14 19:26:01.845 INFO [stderr]     |                         help: remove this `mut`
Dec 14 19:26:01.845 INFO [stderr] 
Dec 14 19:26:02.589 INFO [stderr]     Finished dev [optimized + debuginfo] target(s) in 2.71s
Dec 14 19:26:02.597 INFO [stderr] su: No module specific data is present
Dec 14 19:26:03.411 INFO running `"docker" "inspect" "5e738a14dcd8cfe73024e88f4f1327badb91f0197ea90d06f7e38f7426fdcb0e"`
Dec 14 19:26:03.693 INFO running `"docker" "rm" "-f" "5e738a14dcd8cfe73024e88f4f1327badb91f0197ea90d06f7e38f7426fdcb0e"`
Dec 14 19:26:03.965 INFO [stdout] 5e738a14dcd8cfe73024e88f4f1327badb91f0197ea90d06f7e38f7426fdcb0e
Dec 14 19:26:03.973 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 19:26:04.516 INFO [stdout] 0060f7ed1b607875b8ea9a2611d28fb4447520228c319ac630b7b0afd0015879
Dec 14 19:26:04.519 INFO running `"docker" "start" "-a" "0060f7ed1b607875b8ea9a2611d28fb4447520228c319ac630b7b0afd0015879"`
Dec 14 19:26:06.110 INFO [stderr] usermod: no changes
Dec 14 19:26:06.184 INFO [stderr]     Finished dev [optimized + debuginfo] target(s) in 0.05s
Dec 14 19:26:06.202 INFO [stderr]      Running /target/debug/deps/smetamath-a238427ae1ebe068
Dec 14 19:26:06.206 INFO [stdout] 
Dec 14 19:26:06.206 INFO [stdout] running 0 tests
Dec 14 19:26:06.206 INFO [stdout] 
Dec 14 19:26:06.206 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 19:26:06.206 INFO [stdout] 
Dec 14 19:26:06.208 INFO [stderr] su: No module specific data is present
Dec 14 19:26:06.644 INFO running `"docker" "inspect" "0060f7ed1b607875b8ea9a2611d28fb4447520228c319ac630b7b0afd0015879"`
Dec 14 19:26:06.731 INFO running `"docker" "rm" "-f" "0060f7ed1b607875b8ea9a2611d28fb4447520228c319ac630b7b0afd0015879"`
Dec 14 19:26:06.865 INFO [stdout] 0060f7ed1b607875b8ea9a2611d28fb4447520228c319ac630b7b0afd0015879