[INFO] fetching crate rsnappy 0.1.0...
[INFO] checking rsnappy-0.1.0 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate rsnappy 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate rsnappy 0.1.0 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", 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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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] 4659448d4796489064bd3442eb3418ba411161d4358ebe2dee0cd7faecac1bc6
[INFO] running `Command { std: "docker" "start" "-a" "4659448d4796489064bd3442eb3418ba411161d4358ebe2dee0cd7faecac1bc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4659448d4796489064bd3442eb3418ba411161d4358ebe2dee0cd7faecac1bc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4659448d4796489064bd3442eb3418ba411161d4358ebe2dee0cd7faecac1bc6", kill_on_drop: false }`
[INFO] [stdout] 4659448d4796489064bd3442eb3418ba411161d4358ebe2dee0cd7faecac1bc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] db8a0398d91158a2bc82257d6ad41f4a020cc84a9bf57c35f8d4855b526fe687
[INFO] running `Command { std: "docker" "start" "-a" "db8a0398d91158a2bc82257d6ad41f4a020cc84a9bf57c35f8d4855b526fe687", kill_on_drop: false }`
[INFO] [stderr]    Compiling rsnappy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking docopt v0.6.86
[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: 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: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: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: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: 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: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand v0.3.23
[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] 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: 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: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: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: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: 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: 1 warning emitted
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.19s
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "db8a0398d91158a2bc82257d6ad41f4a020cc84a9bf57c35f8d4855b526fe687", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db8a0398d91158a2bc82257d6ad41f4a020cc84a9bf57c35f8d4855b526fe687", kill_on_drop: false }`
[INFO] [stdout] db8a0398d91158a2bc82257d6ad41f4a020cc84a9bf57c35f8d4855b526fe687