[INFO] cloning repository https://github.com/nsmryan/parcel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nsmryan/parcel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnsmryan%2Fparcel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnsmryan%2Fparcel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b30c58887cdd8b983a0d7ba3510e2d86d155d094
[INFO] checking nsmryan/parcel against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnsmryan%2Fparcel" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nsmryan/parcel on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nsmryan/parcel
[INFO] finished tweaking git repo https://github.com/nsmryan/parcel
[INFO] tweaked toml for git repo https://github.com/nsmryan/parcel written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/nsmryan/parcel already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 08a20d6ed386e159195a312e745ce049fa2e77f51c5bbede3787a5b1c4a5e1c3
[INFO] running `Command { std: "docker" "start" "-a" "08a20d6ed386e159195a312e745ce049fa2e77f51c5bbede3787a5b1c4a5e1c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08a20d6ed386e159195a312e745ce049fa2e77f51c5bbede3787a5b1c4a5e1c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08a20d6ed386e159195a312e745ce049fa2e77f51c5bbede3787a5b1c4a5e1c3", kill_on_drop: false }`
[INFO] [stdout] 08a20d6ed386e159195a312e745ce049fa2e77f51c5bbede3787a5b1c4a5e1c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 589eec1ee8f6e59cc4e3c2a5f09f8210a46817225b7211f949019cf244dcf4ba
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "589eec1ee8f6e59cc4e3c2a5f09f8210a46817225b7211f949019cf244dcf4ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]     Checking hew v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:174:52
[INFO] [stdout]     |
[INFO] [stdout] 174 | fn buffered<R, W>(mut input: R, mut output: W, f: &Fn(&mut [u8], &mut Vec<u8>)) 
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut [u8], &mut Vec<u8>)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `write_index`
[INFO] [stdout]    --> src/main.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 197 |     let mut write_index: usize = 0;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_write_index`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `write_index`
[INFO] [stdout]    --> src/main.rs:314:9
[INFO] [stdout]     |
[INFO] [stdout] 314 |     let mut write_index: usize = 0;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_write_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sep`
[INFO] [stdout]    --> src/main.rs:312:18
[INFO] [stdout]     |
[INFO] [stdout] 312 |                  sep: &str) {
[INFO] [stdout]     |                  ^^^ help: if this is intentional, prefix it with an underscore: `_sep`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 197 |     let mut write_index: usize = 0;
[INFO] [stdout]     |         ----^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:314:9
[INFO] [stdout]     |
[INFO] [stdout] 314 |     let mut write_index: usize = 0;
[INFO] [stdout]     |         ----^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:473:9
[INFO] [stdout]     |
[INFO] [stdout] 473 |     let mut input_file = OpenOptions::new()
[INFO] [stdout]     |         ----^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:479:9
[INFO] [stdout]     |
[INFO] [stdout] 479 |     let mut output_file = OpenOptions::new()
[INFO] [stdout]     |         ----^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `WRITE_BUFFER_SIZE_BYTES`
[INFO] [stdout]   --> src/main.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | const WRITE_BUFFER_SIZE_BYTES: usize =  1024*16;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `push_to_write_buffer`
[INFO] [stdout]    --> src/main.rs:280:4
[INFO] [stdout]     |
[INFO] [stdout] 280 | fn push_to_write_buffer<W: Write>(output: &mut W,
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking quickcheck v0.6.2
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:174:52
[INFO] [stdout]     |
[INFO] [stdout] 174 | fn buffered<R, W>(mut input: R, mut output: W, f: &Fn(&mut [u8], &mut Vec<u8>)) 
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut [u8], &mut Vec<u8>)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:229:12
[INFO] [stdout]     |
[INFO] [stdout] 229 |     encode(input.as_bytes(), &mut output);
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^ types differ in mutability
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected mutable reference `&mut _`
[INFO] [stdout]                        found reference `&[u8]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:239:12
[INFO] [stdout]     |
[INFO] [stdout] 239 |     encode(input.as_bytes(), &mut output);
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^ types differ in mutability
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected mutable reference `&mut _`
[INFO] [stdout]                        found reference `&[u8]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:248:12
[INFO] [stdout]     |
[INFO] [stdout] 248 |     encode(input.as_bytes(), &mut output);
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^ types differ in mutability
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected mutable reference `&mut _`
[INFO] [stdout]                        found reference `&[u8]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:257:12
[INFO] [stdout]     |
[INFO] [stdout] 257 |     encode(input.as_bytes(), &mut output);
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^ types differ in mutability
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected mutable reference `&mut _`
[INFO] [stdout]                        found reference `&[u8]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:267:12
[INFO] [stdout]     |
[INFO] [stdout] 267 |     encode(input.as_bytes(), &mut output);
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^ types differ in mutability
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected mutable reference `&mut _`
[INFO] [stdout]                        found reference `&[u8]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:276:12
[INFO] [stdout]     |
[INFO] [stdout] 276 |     encode(input.as_bytes(), &mut output);
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^ types differ in mutability
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected mutable reference `&mut _`
[INFO] [stdout]                        found reference `&[u8]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:361:10
[INFO] [stdout]     |
[INFO] [stdout] 361 |   decode(Cursor::new(input), &mut output, line_width, word_width, case, prefix, &sep);
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          expected `&mut _`, found struct `std::io::Cursor`
[INFO] [stdout]     |          help: consider mutably borrowing here: `&mut Cursor::new(input)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected mutable reference `&mut _`
[INFO] [stdout]                           found struct `std::io::Cursor<Vec<{integer}>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:378:10
[INFO] [stdout]     |
[INFO] [stdout] 378 |   decode(Cursor::new(input), &mut output, line_width, word_width, case, prefix, &sep);
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          expected `&mut _`, found struct `std::io::Cursor`
[INFO] [stdout]     |          help: consider mutably borrowing here: `&mut Cursor::new(input)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected mutable reference `&mut _`
[INFO] [stdout]                           found struct `std::io::Cursor<Vec<{integer}>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:385:10
[INFO] [stdout]     |
[INFO] [stdout] 385 |   decode(Cursor::new(input), &mut output, line_width, word_width, case, prefix, &sep);
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          expected `&mut _`, found struct `std::io::Cursor`
[INFO] [stdout]     |          help: consider mutably borrowing here: `&mut Cursor::new(input)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected mutable reference `&mut _`
[INFO] [stdout]                           found struct `std::io::Cursor<Vec<{integer}>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:401:10
[INFO] [stdout]     |
[INFO] [stdout] 401 |   decode(Cursor::new(input), &mut output, line_width, word_width, case, prefix, &sep);
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          expected `&mut _`, found struct `std::io::Cursor`
[INFO] [stdout]     |          help: consider mutably borrowing here: `&mut Cursor::new(input)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected mutable reference `&mut _`
[INFO] [stdout]                           found struct `std::io::Cursor<Vec<{integer}>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:408:10
[INFO] [stdout]     |
[INFO] [stdout] 408 |   decode(Cursor::new(input), &mut output, line_width, word_width, case, prefix, &sep);
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          expected `&mut _`, found struct `std::io::Cursor`
[INFO] [stdout]     |          help: consider mutably borrowing here: `&mut Cursor::new(input)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected mutable reference `&mut _`
[INFO] [stdout]                           found struct `std::io::Cursor<Vec<{integer}>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:415:10
[INFO] [stdout]     |
[INFO] [stdout] 415 |   decode(Cursor::new(input), &mut output, line_width, word_width, case, prefix, &sep);
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          expected `&mut _`, found struct `std::io::Cursor`
[INFO] [stdout]     |          help: consider mutably borrowing here: `&mut Cursor::new(input)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected mutable reference `&mut _`
[INFO] [stdout]                           found struct `std::io::Cursor<Vec<{integer}>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:422:10
[INFO] [stdout]     |
[INFO] [stdout] 422 |   decode(Cursor::new(input), &mut output, line_width, word_width, case, prefix, &sep);
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          expected `&mut _`, found struct `std::io::Cursor`
[INFO] [stdout]     |          help: consider mutably borrowing here: `&mut Cursor::new(input)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected mutable reference `&mut _`
[INFO] [stdout]                           found struct `std::io::Cursor<Vec<{integer}>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 13 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hew`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "589eec1ee8f6e59cc4e3c2a5f09f8210a46817225b7211f949019cf244dcf4ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "589eec1ee8f6e59cc4e3c2a5f09f8210a46817225b7211f949019cf244dcf4ba", kill_on_drop: false }`
[INFO] [stdout] 589eec1ee8f6e59cc4e3c2a5f09f8210a46817225b7211f949019cf244dcf4ba
