[INFO] updating cached repository hmc-memsafe-2016f/wk2-starter [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/hmc-memsafe-2016f/wk2-starter [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/hmc-memsafe-2016f/wk2-starter" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/hmc-memsafe-2016f/wk2-starter"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/hmc-memsafe-2016f/wk2-starter'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/hmc-memsafe-2016f/wk2-starter" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/hmc-memsafe-2016f/wk2-starter"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/hmc-memsafe-2016f/wk2-starter'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] dde90e4a050fbfb2d74e08d7736e20dc87045162 [INFO] sha for GitHub repo hmc-memsafe-2016f/wk2-starter: dde90e4a050fbfb2d74e08d7736e20dc87045162 [INFO] validating manifest of hmc-memsafe-2016f/wk2-starter on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of hmc-memsafe-2016f/wk2-starter on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing hmc-memsafe-2016f/wk2-starter [INFO] finished frobbing hmc-memsafe-2016f/wk2-starter [INFO] frobbed toml for hmc-memsafe-2016f/wk2-starter written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/hmc-memsafe-2016f/wk2-starter/Cargo.toml [INFO] started frobbing hmc-memsafe-2016f/wk2-starter [INFO] finished frobbing hmc-memsafe-2016f/wk2-starter [INFO] frobbed toml for hmc-memsafe-2016f/wk2-starter written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/hmc-memsafe-2016f/wk2-starter/Cargo.toml [INFO] crate hmc-memsafe-2016f/wk2-starter already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/hmc-memsafe-2016f/wk2-starter/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking hmc-memsafe-2016f/wk2-starter against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-0/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/hmc-memsafe-2016f/wk2-starter:/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=forbid" "-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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] d6f0984230e41e8061367d750bece79fc1e03fed5d953bd83f720e2274db2c0f [INFO] running `"docker" "start" "-a" "d6f0984230e41e8061367d750bece79fc1e03fed5d953bd83f720e2274db2c0f"` [INFO] [stderr] Checking wk2-starter v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: enum is never used: `Expr` [INFO] [stderr] --> src/expr/expr.rs:7:1 [INFO] [stderr] | [INFO] [stderr] 7 | pub enum Expr { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `BinOp` [INFO] [stderr] --> src/expr/expr.rs:12:1 [INFO] [stderr] | [INFO] [stderr] 12 | pub enum BinOp { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `evaluate` [INFO] [stderr] --> src/expr/expr.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | pub fn evaluate(&self) -> isize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `operation_count` [INFO] [stderr] --> src/expr/expr.rs:26:5 [INFO] [stderr] | [INFO] [stderr] 26 | pub fn operation_count(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `depth` [INFO] [stderr] --> src/expr/expr.rs:32:5 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn depth(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `Expr` [INFO] [stderr] --> src/expr/expr.rs:7:1 [INFO] [stderr] | [INFO] [stderr] 7 | pub enum Expr { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `BinOp` [INFO] [stderr] --> src/expr/expr.rs:12:1 [INFO] [stderr] | [INFO] [stderr] 12 | pub enum BinOp { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `evaluate` [INFO] [stderr] --> src/expr/expr.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | pub fn evaluate(&self) -> isize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `operation_count` [INFO] [stderr] --> src/expr/expr.rs:26:5 [INFO] [stderr] | [INFO] [stderr] 26 | pub fn operation_count(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `depth` [INFO] [stderr] --> src/expr/expr.rs:32:5 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn depth(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.17s [INFO] running `"docker" "inspect" "d6f0984230e41e8061367d750bece79fc1e03fed5d953bd83f720e2274db2c0f"` [INFO] running `"docker" "rm" "-f" "d6f0984230e41e8061367d750bece79fc1e03fed5d953bd83f720e2274db2c0f"` [INFO] [stdout] d6f0984230e41e8061367d750bece79fc1e03fed5d953bd83f720e2274db2c0f