[INFO] updating cached repository JP-Ellis/mathematica-notebook-filter [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/JP-Ellis/mathematica-notebook-filter [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/JP-Ellis/mathematica-notebook-filter" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/JP-Ellis/mathematica-notebook-filter"` [INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/JP-Ellis/mathematica-notebook-filter'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/JP-Ellis/mathematica-notebook-filter" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/JP-Ellis/mathematica-notebook-filter"` [INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/JP-Ellis/mathematica-notebook-filter'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 3fe4ae4248335122373dc97934706c6d333a106b [INFO] sha for GitHub repo JP-Ellis/mathematica-notebook-filter: 3fe4ae4248335122373dc97934706c6d333a106b [INFO] validating manifest of JP-Ellis/mathematica-notebook-filter on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of JP-Ellis/mathematica-notebook-filter on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing JP-Ellis/mathematica-notebook-filter [INFO] finished frobbing JP-Ellis/mathematica-notebook-filter [INFO] frobbed toml for JP-Ellis/mathematica-notebook-filter written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/JP-Ellis/mathematica-notebook-filter/Cargo.toml [INFO] started frobbing JP-Ellis/mathematica-notebook-filter [INFO] finished frobbing JP-Ellis/mathematica-notebook-filter [INFO] frobbed toml for JP-Ellis/mathematica-notebook-filter written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/JP-Ellis/mathematica-notebook-filter/Cargo.toml [INFO] crate JP-Ellis/mathematica-notebook-filter already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking JP-Ellis/mathematica-notebook-filter against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-4/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/JP-Ellis/mathematica-notebook-filter:/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 4efd88ca4b3df291e6db5c0f075114a2aa57a3e973b9ccb592b19ca0e34e24a3 [INFO] running `"docker" "start" "-a" "4efd88ca4b3df291e6db5c0f075114a2aa57a3e973b9ccb592b19ca0e34e24a3"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking term_size v0.3.1 [INFO] [stderr] Checking stderrlog v0.4.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking mathematica-notebook-filter v0.2.3 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:136:29 [INFO] [stderr] | [INFO] [stderr] 136 | let mut input_file: Box = match matches.value_of("input") { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn BufRead` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:164:50 [INFO] [stderr] | [INFO] [stderr] 164 | let (mut output_file, output_filename): (Box, _) = [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:136:29 [INFO] [stderr] | [INFO] [stderr] 136 | let mut input_file: Box = match matches.value_of("input") { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn BufRead` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:164:50 [INFO] [stderr] | [INFO] [stderr] 164 | let (mut output_file, output_filename): (Box, _) = [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/parser/whitespace.rs:90:13 [INFO] [stderr] | [INFO] [stderr] 90 | wc.write_all(input).is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/parser/whitespace.rs:91:13 [INFO] [stderr] | [INFO] [stderr] 91 | wc.flush().is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/parser/whitespace.rs:111:13 [INFO] [stderr] | [INFO] [stderr] 111 | wc.write_all(input.as_bytes()).is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/parser/whitespace.rs:112:13 [INFO] [stderr] | [INFO] [stderr] 112 | wc.flush().is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.35s [INFO] running `"docker" "inspect" "4efd88ca4b3df291e6db5c0f075114a2aa57a3e973b9ccb592b19ca0e34e24a3"` [INFO] running `"docker" "rm" "-f" "4efd88ca4b3df291e6db5c0f075114a2aa57a3e973b9ccb592b19ca0e34e24a3"` [INFO] [stdout] 4efd88ca4b3df291e6db5c0f075114a2aa57a3e973b9ccb592b19ca0e34e24a3