[INFO] fetching crate rsnappy 0.1.0...
[INFO] checking rsnappy-0.1.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate rsnappy 0.1.0 into /workspace/builds/worker-78/source
[INFO] validating manifest of crates.io crate rsnappy 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rsnappy 0.1.0
[INFO] finished tweaking crates.io crate rsnappy 0.1.0
[INFO] tweaked toml for crates.io crate rsnappy 0.1.0 written to /workspace/builds/worker-78/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0a431a9512ee2758fbe27183d65be771e7d92700d1f2411dea6454e771c48a5
[INFO] running `Command { std: "docker" "start" "-a" "c0a431a9512ee2758fbe27183d65be771e7d92700d1f2411dea6454e771c48a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0a431a9512ee2758fbe27183d65be771e7d92700d1f2411dea6454e771c48a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0a431a9512ee2758fbe27183d65be771e7d92700d1f2411dea6454e771c48a5", kill_on_drop: false }`
[INFO] [stdout] c0a431a9512ee2758fbe27183d65be771e7d92700d1f2411dea6454e771c48a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3d1f7dd8cc52e06a6df831a789516cffda9b713619be0d4ed0a9f9084b1ca42
[INFO] running `Command { std: "docker" "start" "-a" "e3d1f7dd8cc52e06a6df831a789516cffda9b713619be0d4ed0a9f9084b1ca42", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]    Compiling rsnappy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking strsim v0.5.2
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decompress.rs:216:31
[INFO] [stdout]     |
[INFO] [stdout] 216 |     let uncompressed_length = try!(read_uncompressed_length(reader));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/decompress.rs:269:22
[INFO] [stdout]     |
[INFO] [stdout] 269 |             for i in (0..len as usize) {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compress.rs:49:24
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let metadata = try!(self.get_ref().metadata());
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compress.rs:217:5
[INFO] [stdout]     |
[INFO] [stdout] 217 |     try!(write_varint(out, uncompressed_length));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compress.rs:216:31
[INFO] [stdout]     |
[INFO] [stdout] 216 |     let uncompressed_length = try!(inp.available()) as u32;
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compress.rs:231:17
[INFO] [stdout]     |
[INFO] [stdout] 231 |                 try!(compress_block(chunk, out, &mut dict));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compress.rs:266:9
[INFO] [stdout]     |
[INFO] [stdout] 266 |         try!(emit_literal(out, &block[literal_start..i]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compress.rs:270:13
[INFO] [stdout]     |
[INFO] [stdout] 270 |             try!(emit_copy(out, copy_offset, copy_len));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compress.rs:296:9
[INFO] [stdout]     |
[INFO] [stdout] 296 |         try!(do_emit_copy(out, offset, MAX_COPY_LEN));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compress.rs:301:9
[INFO] [stdout]     |
[INFO] [stdout] 301 |         try!(do_emit_copy(out, offset, to_emit));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compress.rs:316:9
[INFO] [stdout]     |
[INFO] [stdout] 316 |         try!(out.write(&[tag, low_len]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compress.rs:320:9
[INFO] [stdout]     |
[INFO] [stdout] 320 |         try!(out.write(&[tag]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compress.rs:321:9
[INFO] [stdout]     |
[INFO] [stdout] 321 |         try!(write_u16_le(out, offset as u16));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compress.rs:332:9
[INFO] [stdout]     |
[INFO] [stdout] 332 |         try!(out.write(&[tag]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compress.rs:333:9
[INFO] [stdout]     |
[INFO] [stdout] 333 |         try!(out.write_all(literal));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compress.rs:345:9
[INFO] [stdout]     |
[INFO] [stdout] 345 |         try!(out.write(&ds[..count + 1]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compress.rs:346:9
[INFO] [stdout]     |
[INFO] [stdout] 346 |         try!(out.write_all(literal));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compress.rs:424:5
[INFO] [stdout]     |
[INFO] [stdout] 424 |     try!(out.write(s));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compress.rs:457:5
[INFO] [stdout]     |
[INFO] [stdout] 457 |     try!(out.write(&ds[..nbytes]));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a foreign function or static
[INFO] [stdout]   --> src/zero_array.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 |   #[link_name = "c"]
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 27 | / extern {
[INFO] [stdout] 28 | |     fn calloc(num: size_t, size: size_t) -> *mut c_void;
[INFO] [stdout] 29 | |     fn free(ptr: *mut c_void);
[INFO] [stdout] 30 | |     fn abort();
[INFO] [stdout] 31 | | }
[INFO] [stdout]    | |_- not a foreign function or static
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] help: try `#[link(name = "c")]` instead
[INFO] [stdout]   --> src/zero_array.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | #[link_name = "c"]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking docopt v0.6.86
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/generated-benches.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> tests/test-decompress.rs:45:14
[INFO] [stdout]    |
[INFO] [stdout] 45 |     for i in (0..1_000_000) { expected_out.push((i % 10) as u8); }
[INFO] [stdout]    |              ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> examples/rsnap.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 26 | #[derive(RustcDecodable, Debug)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/bench.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decompress.rs:216:31
[INFO] [stdout]     |
[INFO] [stdout] 216 |     let uncompressed_length = try!(read_uncompressed_length(reader));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/decompress.rs:269:22
[INFO] [stdout]     |
[INFO] [stdout] 269 |             for i in (0..len as usize) {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compress.rs:49:24
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let metadata = try!(self.get_ref().metadata());
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compress.rs:217:5
[INFO] [stdout]     |
[INFO] [stdout] 217 |     try!(write_varint(out, uncompressed_length));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compress.rs:216:31
[INFO] [stdout]     |
[INFO] [stdout] 216 |     let uncompressed_length = try!(inp.available()) as u32;
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compress.rs:231:17
[INFO] [stdout]     |
[INFO] [stdout] 231 |                 try!(compress_block(chunk, out, &mut dict));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compress.rs:266:9
[INFO] [stdout]     |
[INFO] [stdout] 266 |         try!(emit_literal(out, &block[literal_start..i]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compress.rs:270:13
[INFO] [stdout]     |
[INFO] [stdout] 270 |             try!(emit_copy(out, copy_offset, copy_len));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compress.rs:296:9
[INFO] [stdout]     |
[INFO] [stdout] 296 |         try!(do_emit_copy(out, offset, MAX_COPY_LEN));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compress.rs:301:9
[INFO] [stdout]     |
[INFO] [stdout] 301 |         try!(do_emit_copy(out, offset, to_emit));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compress.rs:316:9
[INFO] [stdout]     |
[INFO] [stdout] 316 |         try!(out.write(&[tag, low_len]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compress.rs:320:9
[INFO] [stdout]     |
[INFO] [stdout] 320 |         try!(out.write(&[tag]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compress.rs:321:9
[INFO] [stdout]     |
[INFO] [stdout] 321 |         try!(write_u16_le(out, offset as u16));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compress.rs:332:9
[INFO] [stdout]     |
[INFO] [stdout] 332 |         try!(out.write(&[tag]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compress.rs:333:9
[INFO] [stdout]     |
[INFO] [stdout] 333 |         try!(out.write_all(literal));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compress.rs:345:9
[INFO] [stdout]     |
[INFO] [stdout] 345 |         try!(out.write(&ds[..count + 1]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compress.rs:346:9
[INFO] [stdout]     |
[INFO] [stdout] 346 |         try!(out.write_all(literal));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compress.rs:424:5
[INFO] [stdout]     |
[INFO] [stdout] 424 |     try!(out.write(s));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compress.rs:457:5
[INFO] [stdout]     |
[INFO] [stdout] 457 |     try!(out.write(&ds[..nbytes]));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rsnappy` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: attribute should be applied to a foreign function or static
[INFO] [stdout]   --> src/zero_array.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 |   #[link_name = "c"]
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 27 | / extern {
[INFO] [stdout] 28 | |     fn calloc(num: size_t, size: size_t) -> *mut c_void;
[INFO] [stdout] 29 | |     fn free(ptr: *mut c_void);
[INFO] [stdout] 30 | |     fn abort();
[INFO] [stdout] 31 | | }
[INFO] [stdout]    | |_- not a foreign function or static
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] help: try `#[link(name = "c")]` instead
[INFO] [stdout]   --> src/zero_array.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | #[link_name = "c"]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> benches/bench.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::{Cursor, Read};
[INFO] [stdout]   |                       ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e3d1f7dd8cc52e06a6df831a789516cffda9b713619be0d4ed0a9f9084b1ca42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3d1f7dd8cc52e06a6df831a789516cffda9b713619be0d4ed0a9f9084b1ca42", kill_on_drop: false }`
[INFO] [stdout] e3d1f7dd8cc52e06a6df831a789516cffda9b713619be0d4ed0a9f9084b1ca42
