[INFO] cloning repository https://github.com/JP-Ellis/mathematica-notebook-filter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JP-Ellis/mathematica-notebook-filter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJP-Ellis%2Fmathematica-notebook-filter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJP-Ellis%2Fmathematica-notebook-filter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3fe4ae4248335122373dc97934706c6d333a106b
[INFO] checking JP-Ellis/mathematica-notebook-filter against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJP-Ellis%2Fmathematica-notebook-filter" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JP-Ellis/mathematica-notebook-filter
[INFO] finished tweaking git repo https://github.com/JP-Ellis/mathematica-notebook-filter
[INFO] tweaked toml for git repo https://github.com/JP-Ellis/mathematica-notebook-filter written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JP-Ellis/mathematica-notebook-filter on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JP-Ellis/mathematica-notebook-filter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea420c8596dbce3efd2335acd7a3c7933cf8b7f1dfa96594d1836d29af1696f9
[INFO] running `Command { std: "docker" "start" "-a" "ea420c8596dbce3efd2335acd7a3c7933cf8b7f1dfa96594d1836d29af1696f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea420c8596dbce3efd2335acd7a3c7933cf8b7f1dfa96594d1836d29af1696f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea420c8596dbce3efd2335acd7a3c7933cf8b7f1dfa96594d1836d29af1696f9", kill_on_drop: false }`
[INFO] [stdout] ea420c8596dbce3efd2335acd7a3c7933cf8b7f1dfa96594d1836d29af1696f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f06d41e6cdbff1a39b798d89595f469cd5dc795d66c7bf37ae3fbb998525b61
[INFO] running `Command { std: "docker" "start" "-a" "3f06d41e6cdbff1a39b798d89595f469cd5dc795d66c7bf37ae3fbb998525b61", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking termcolor v0.3.6
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking stderrlog v0.4.1
[INFO] [stderr]     Checking tempfile v3.0.7
[INFO] [stderr]     Checking mathematica-notebook-filter v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:136:29
[INFO] [stdout]     |
[INFO] [stdout] 136 |     let mut input_file: Box<BufRead> = match matches.value_of("input") {
[INFO] [stdout]     |                             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 136 |     let mut input_file: Box<dyn BufRead> = match matches.value_of("input") {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:164:50
[INFO] [stdout]     |
[INFO] [stdout] 164 |     let (mut output_file, output_filename): (Box<Write>, _) =
[INFO] [stdout]     |                                                  ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 164 |     let (mut output_file, output_filename): (Box<dyn Write>, _) =
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:136:29
[INFO] [stdout]     |
[INFO] [stdout] 136 |     let mut input_file: Box<BufRead> = match matches.value_of("input") {
[INFO] [stdout]     |                             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 136 |     let mut input_file: Box<dyn BufRead> = match matches.value_of("input") {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:164:50
[INFO] [stdout]     |
[INFO] [stdout] 164 |     let (mut output_file, output_filename): (Box<Write>, _) =
[INFO] [stdout]     |                                                  ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 164 |     let (mut output_file, output_filename): (Box<dyn Write>, _) =
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]   --> src/parser/whitespace.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |             wc.write_all(input).is_ok();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 90 |             let _ = wc.write_all(input).is_ok();
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]   --> src/parser/whitespace.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |             wc.flush().is_ok();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 91 |             let _ = wc.flush().is_ok();
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]    --> src/parser/whitespace.rs:111:13
[INFO] [stdout]     |
[INFO] [stdout] 111 |             wc.write_all(input.as_bytes()).is_ok();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 111 |             let _ = wc.write_all(input.as_bytes()).is_ok();
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]    --> src/parser/whitespace.rs:112:13
[INFO] [stdout]     |
[INFO] [stdout] 112 |             wc.flush().is_ok();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 112 |             let _ = wc.flush().is_ok();
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.51s
[INFO] running `Command { std: "docker" "inspect" "3f06d41e6cdbff1a39b798d89595f469cd5dc795d66c7bf37ae3fbb998525b61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f06d41e6cdbff1a39b798d89595f469cd5dc795d66c7bf37ae3fbb998525b61", kill_on_drop: false }`
[INFO] [stdout] 3f06d41e6cdbff1a39b798d89595f469cd5dc795d66c7bf37ae3fbb998525b61
