[INFO] updating cached repository akky2501/mincaml-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/akky2501/mincaml-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/akky2501/mincaml-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/akky2501/mincaml-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/akky2501/mincaml-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/akky2501/mincaml-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/akky2501/mincaml-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/akky2501/mincaml-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b8295cf3166d850c830ed45b1330d7f8230eb119
[INFO] sha for GitHub repo akky2501/mincaml-rust: b8295cf3166d850c830ed45b1330d7f8230eb119
[INFO] validating manifest of akky2501/mincaml-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 akky2501/mincaml-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 akky2501/mincaml-rust
[INFO] finished frobbing akky2501/mincaml-rust
[INFO] frobbed toml for akky2501/mincaml-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/akky2501/mincaml-rust/Cargo.toml
[INFO] started frobbing akky2501/mincaml-rust
[INFO] finished frobbing akky2501/mincaml-rust
[INFO] frobbed toml for akky2501/mincaml-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/akky2501/mincaml-rust/Cargo.toml
[INFO] crate akky2501/mincaml-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 akky2501/mincaml-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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/akky2501/mincaml-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] 8defcddd4694641ae1f58eb3c61cf4ac9ab961699225864be87e61b89a231eac
[INFO] running `"docker" "start" "-a" "8defcddd4694641ae1f58eb3c61cf4ac9ab961699225864be87e61b89a231eac"`
[INFO] [stderr]    Compiling nom v2.2.0
[INFO] [stderr]    Compiling lazy_static v0.2.5
[INFO] [stderr]    Compiling mincaml-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `ty`
[INFO] [stderr]    --> src/codegen.rs:254:13
[INFO] [stderr]     |
[INFO] [stderr] 254 | fn gen_type(ty: &Type) {
[INFO] [stderr]     |             ^^ help: consider prefixing with an underscore: `_ty`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ty`
[INFO] [stderr]    --> src/codegen.rs:257:20
[INFO] [stderr]     |
[INFO] [stderr] 257 | fn gen_print_value(ty: &Type) {
[INFO] [stderr]     |                    ^^ help: consider prefixing with an underscore: `_ty`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.78s
[INFO] running `"docker" "inspect" "8defcddd4694641ae1f58eb3c61cf4ac9ab961699225864be87e61b89a231eac"`
[INFO] running `"docker" "rm" "-f" "8defcddd4694641ae1f58eb3c61cf4ac9ab961699225864be87e61b89a231eac"`
[INFO] [stdout] 8defcddd4694641ae1f58eb3c61cf4ac9ab961699225864be87e61b89a231eac
[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/gh/akky2501/mincaml-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] 6fab8ff719335ee8892bda39451efc01a9f37f0d7bb16023389e307a0f8171da
[INFO] running `"docker" "start" "-a" "6fab8ff719335ee8892bda39451efc01a9f37f0d7bb16023389e307a0f8171da"`
[INFO] [stderr]    Compiling mincaml-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `ty`
[INFO] [stderr]    --> src/codegen.rs:254:13
[INFO] [stderr]     |
[INFO] [stderr] 254 | fn gen_type(ty: &Type) {
[INFO] [stderr]     |             ^^ help: consider prefixing with an underscore: `_ty`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ty`
[INFO] [stderr]    --> src/codegen.rs:257:20
[INFO] [stderr]     |
[INFO] [stderr] 257 | fn gen_print_value(ty: &Type) {
[INFO] [stderr]     |                    ^^ help: consider prefixing with an underscore: `_ty`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.68s
[INFO] running `"docker" "inspect" "6fab8ff719335ee8892bda39451efc01a9f37f0d7bb16023389e307a0f8171da"`
[INFO] running `"docker" "rm" "-f" "6fab8ff719335ee8892bda39451efc01a9f37f0d7bb16023389e307a0f8171da"`
[INFO] [stdout] 6fab8ff719335ee8892bda39451efc01a9f37f0d7bb16023389e307a0f8171da
[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/gh/akky2501/mincaml-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] 03f71e84a272aaf55d73621278fcd321b005085722a5ee6ee8226b3c923cec90
[INFO] running `"docker" "start" "-a" "03f71e84a272aaf55d73621278fcd321b005085722a5ee6ee8226b3c923cec90"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mincaml_rust-55483e30bf36af13
[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/mincaml_rust-97c2ac8d36a61a6f
[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 mincaml-rust
[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" "03f71e84a272aaf55d73621278fcd321b005085722a5ee6ee8226b3c923cec90"`
[INFO] running `"docker" "rm" "-f" "03f71e84a272aaf55d73621278fcd321b005085722a5ee6ee8226b3c923cec90"`
[INFO] [stdout] 03f71e84a272aaf55d73621278fcd321b005085722a5ee6ee8226b3c923cec90