[INFO] crate mathematica-notebook-filter 0.2.2 is already in cache
[INFO] checking mathematica-notebook-filter-0.2.2 against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] extracting crate mathematica-notebook-filter 0.2.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mathematica-notebook-filter 0.2.2 on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mathematica-notebook-filter 0.2.2
[INFO] finished tweaking crates.io crate mathematica-notebook-filter 0.2.2
[INFO] tweaked toml for crates.io crate mathematica-notebook-filter 0.2.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ad297a6cf07cbe8a54c304e409b738f4b83fae5a8bcae0e8e2036bf3e28ac770
[INFO] running `"docker" "start" "-a" "ad297a6cf07cbe8a54c304e409b738f4b83fae5a8bcae0e8e2036bf3e28ac770"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking stderrlog v0.4.3
[INFO] [stderr]     Checking mathematica-notebook-filter v0.2.2 (/opt/rustwide/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<BufRead> = 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<Write>, _) =
[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<BufRead> = 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<Write>, _) =
[INFO] [stderr]     |                                                  ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::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::<T, E>::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::<T, E>::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::<T, E>::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] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.36s
[INFO] running `"docker" "inspect" "ad297a6cf07cbe8a54c304e409b738f4b83fae5a8bcae0e8e2036bf3e28ac770"`
[INFO] running `"docker" "rm" "-f" "ad297a6cf07cbe8a54c304e409b738f4b83fae5a8bcae0e8e2036bf3e28ac770"`
[INFO] [stdout] ad297a6cf07cbe8a54c304e409b738f4b83fae5a8bcae0e8e2036bf3e28ac770