[INFO] updating cached repository leizongmin/tvm-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/leizongmin/tvm-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/leizongmin/tvm-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/leizongmin/tvm-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/leizongmin/tvm-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/leizongmin/tvm-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/leizongmin/tvm-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/leizongmin/tvm-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e443173d5623ed6c0d0129c909aa4a6a10567866
[INFO] sha for GitHub repo leizongmin/tvm-rust: e443173d5623ed6c0d0129c909aa4a6a10567866
[INFO] validating manifest of leizongmin/tvm-rust 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 leizongmin/tvm-rust 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 leizongmin/tvm-rust
[INFO] finished frobbing leizongmin/tvm-rust
[INFO] frobbed toml for leizongmin/tvm-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/leizongmin/tvm-rust/Cargo.toml
[INFO] started frobbing leizongmin/tvm-rust
[INFO] finished frobbing leizongmin/tvm-rust
[INFO] frobbed toml for leizongmin/tvm-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/leizongmin/tvm-rust/Cargo.toml
[INFO] crate leizongmin/tvm-rust already has a lockfile, it will not be regenerated
[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 leizongmin/tvm-rust 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/leizongmin/tvm-rust:/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] e80c6bec5ff46de1433f5c5ab03f5c57fdeb376daa87817a81c8ddf720a43499
[INFO] running `"docker" "start" "-a" "e80c6bec5ff46de1433f5c5ab03f5c57fdeb376daa87817a81c8ddf720a43499"`
[INFO] [stderr]    Compiling tvm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let mut c = Context::new();
[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 1.28s
[INFO] running `"docker" "inspect" "e80c6bec5ff46de1433f5c5ab03f5c57fdeb376daa87817a81c8ddf720a43499"`
[INFO] running `"docker" "rm" "-f" "e80c6bec5ff46de1433f5c5ab03f5c57fdeb376daa87817a81c8ddf720a43499"`
[INFO] [stdout] e80c6bec5ff46de1433f5c5ab03f5c57fdeb376daa87817a81c8ddf720a43499
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/leizongmin/tvm-rust:/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] bd580c5e2870ce3a1e83aac3a7930f864106dabdf64a5c962baee8d921379d75
[INFO] running `"docker" "start" "-a" "bd580c5e2870ce3a1e83aac3a7930f864106dabdf64a5c962baee8d921379d75"`
[INFO] [stderr]    Compiling tvm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let mut c = Context::new();
[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 0.92s
[INFO] running `"docker" "inspect" "bd580c5e2870ce3a1e83aac3a7930f864106dabdf64a5c962baee8d921379d75"`
[INFO] running `"docker" "rm" "-f" "bd580c5e2870ce3a1e83aac3a7930f864106dabdf64a5c962baee8d921379d75"`
[INFO] [stdout] bd580c5e2870ce3a1e83aac3a7930f864106dabdf64a5c962baee8d921379d75
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/leizongmin/tvm-rust:/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] 184a1e38e3fa19cdda12e08d968792eb3558c22c5c1a4e7ac717ec3fed7ff153
[INFO] running `"docker" "start" "-a" "184a1e38e3fa19cdda12e08d968792eb3558c22c5c1a4e7ac717ec3fed7ff153"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tvm-1cabc709bb7e97d9
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tvm-6cad71f0e14cac8b
[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] [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 tvm
[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] running `"docker" "inspect" "184a1e38e3fa19cdda12e08d968792eb3558c22c5c1a4e7ac717ec3fed7ff153"`
[INFO] running `"docker" "rm" "-f" "184a1e38e3fa19cdda12e08d968792eb3558c22c5c1a4e7ac717ec3fed7ff153"`
[INFO] [stdout] 184a1e38e3fa19cdda12e08d968792eb3558c22c5c1a4e7ac717ec3fed7ff153