[INFO] updating cached repository BookOwl/stack-machine-rs [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/BookOwl/stack-machine-rs [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/BookOwl/stack-machine-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/BookOwl/stack-machine-rs"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/BookOwl/stack-machine-rs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/BookOwl/stack-machine-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BookOwl/stack-machine-rs"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BookOwl/stack-machine-rs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 5df95ecd4c17c963cb20481b51841a48a2f9d275 [INFO] sha for GitHub repo BookOwl/stack-machine-rs: 5df95ecd4c17c963cb20481b51841a48a2f9d275 [INFO] validating manifest of BookOwl/stack-machine-rs 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 BookOwl/stack-machine-rs 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 BookOwl/stack-machine-rs [INFO] finished frobbing BookOwl/stack-machine-rs [INFO] frobbed toml for BookOwl/stack-machine-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/BookOwl/stack-machine-rs/Cargo.toml [INFO] started frobbing BookOwl/stack-machine-rs [INFO] finished frobbing BookOwl/stack-machine-rs [INFO] frobbed toml for BookOwl/stack-machine-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BookOwl/stack-machine-rs/Cargo.toml [INFO] crate BookOwl/stack-machine-rs 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 BookOwl/stack-machine-rs 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-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BookOwl/stack-machine-rs:/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] 429fd64606f1ef70da3aa875366028222048953dca74968755990d226ff262e0 [INFO] running `"docker" "start" "-a" "429fd64606f1ef70da3aa875366028222048953dca74968755990d226ff262e0"` [INFO] [stderr] Compiling stack-machine v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `ipstack` [INFO] [stderr] --> src/main.rs:106:13 [INFO] [stderr] | [INFO] [stderr] 106 | let mut ipstack: Vec = Vec::new(); [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_ipstack` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `callstack` [INFO] [stderr] --> src/main.rs:107:13 [INFO] [stderr] | [INFO] [stderr] 107 | let mut callstack: CallStack = Vec::new(); [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_callstack` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:106:9 [INFO] [stderr] | [INFO] [stderr] 106 | let mut ipstack: Vec = Vec::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] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:107:9 [INFO] [stderr] | [INFO] [stderr] 107 | let mut callstack: CallStack = Vec::new(); [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:110:9 [INFO] [stderr] | [INFO] [stderr] 110 | let mut current_frame = program.frame_info.get("main").ok_or(Error::NoMain)?; [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Add` [INFO] [stderr] --> src/main.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | Add, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Mul` [INFO] [stderr] --> src/main.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | Mul, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `IntDiv` [INFO] [stderr] --> src/main.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | IntDiv, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Equal` [INFO] [stderr] --> src/main.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 24 | Equal, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Less` [INFO] [stderr] --> src/main.rs:25:5 [INFO] [stderr] | [INFO] [stderr] 25 | Less, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Greater` [INFO] [stderr] --> src/main.rs:26:5 [INFO] [stderr] | [INFO] [stderr] 26 | Greater, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `LessEq` [INFO] [stderr] --> src/main.rs:27:5 [INFO] [stderr] | [INFO] [stderr] 27 | LessEq, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `GreaterEq` [INFO] [stderr] --> src/main.rs:28:5 [INFO] [stderr] | [INFO] [stderr] 28 | GreaterEq, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `num_bindings` [INFO] [stderr] --> src/main.rs:52:5 [INFO] [stderr] | [INFO] [stderr] 52 | num_bindings: usize, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.17s [INFO] running `"docker" "inspect" "429fd64606f1ef70da3aa875366028222048953dca74968755990d226ff262e0"` [INFO] running `"docker" "rm" "-f" "429fd64606f1ef70da3aa875366028222048953dca74968755990d226ff262e0"` [INFO] [stdout] 429fd64606f1ef70da3aa875366028222048953dca74968755990d226ff262e0 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BookOwl/stack-machine-rs:/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] 077d62704820276297833312c9f6a0cf9f55d8c92abe4337391911691cbd6d43 [INFO] running `"docker" "start" "-a" "077d62704820276297833312c9f6a0cf9f55d8c92abe4337391911691cbd6d43"` [INFO] [stderr] Compiling stack-machine v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `ipstack` [INFO] [stderr] --> src/main.rs:106:13 [INFO] [stderr] | [INFO] [stderr] 106 | let mut ipstack: Vec = Vec::new(); [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_ipstack` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `callstack` [INFO] [stderr] --> src/main.rs:107:13 [INFO] [stderr] | [INFO] [stderr] 107 | let mut callstack: CallStack = Vec::new(); [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_callstack` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:106:9 [INFO] [stderr] | [INFO] [stderr] 106 | let mut ipstack: Vec = Vec::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] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:107:9 [INFO] [stderr] | [INFO] [stderr] 107 | let mut callstack: CallStack = Vec::new(); [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:110:9 [INFO] [stderr] | [INFO] [stderr] 110 | let mut current_frame = program.frame_info.get("main").ok_or(Error::NoMain)?; [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Add` [INFO] [stderr] --> src/main.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | Add, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Mul` [INFO] [stderr] --> src/main.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | Mul, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `IntDiv` [INFO] [stderr] --> src/main.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | IntDiv, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Equal` [INFO] [stderr] --> src/main.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 24 | Equal, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Less` [INFO] [stderr] --> src/main.rs:25:5 [INFO] [stderr] | [INFO] [stderr] 25 | Less, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Greater` [INFO] [stderr] --> src/main.rs:26:5 [INFO] [stderr] | [INFO] [stderr] 26 | Greater, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `LessEq` [INFO] [stderr] --> src/main.rs:27:5 [INFO] [stderr] | [INFO] [stderr] 27 | LessEq, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `GreaterEq` [INFO] [stderr] --> src/main.rs:28:5 [INFO] [stderr] | [INFO] [stderr] 28 | GreaterEq, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `num_bindings` [INFO] [stderr] --> src/main.rs:52:5 [INFO] [stderr] | [INFO] [stderr] 52 | num_bindings: usize, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.78s [INFO] running `"docker" "inspect" "077d62704820276297833312c9f6a0cf9f55d8c92abe4337391911691cbd6d43"` [INFO] running `"docker" "rm" "-f" "077d62704820276297833312c9f6a0cf9f55d8c92abe4337391911691cbd6d43"` [INFO] [stdout] 077d62704820276297833312c9f6a0cf9f55d8c92abe4337391911691cbd6d43 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BookOwl/stack-machine-rs:/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] be4006c2e2be742f4a193c9810319c553837039704d6cc4a56e9bfc349884395 [INFO] running `"docker" "start" "-a" "be4006c2e2be742f4a193c9810319c553837039704d6cc4a56e9bfc349884395"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/stack_machine-ea8c2293351b8057 [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" "be4006c2e2be742f4a193c9810319c553837039704d6cc4a56e9bfc349884395"` [INFO] running `"docker" "rm" "-f" "be4006c2e2be742f4a193c9810319c553837039704d6cc4a56e9bfc349884395"` [INFO] [stdout] be4006c2e2be742f4a193c9810319c553837039704d6cc4a56e9bfc349884395