[INFO] crate free-space-wipe 1.0.0 is already in cache
[INFO] testing free-space-wipe-1.0.0 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate free-space-wipe 1.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate free-space-wipe 1.0.0 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate free-space-wipe 1.0.0
[INFO] finished tweaking crates.io crate free-space-wipe 1.0.0
[INFO] tweaked toml for crates.io crate free-space-wipe 1.0.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e4d3d0dce2dee49e06fd56d9c46429527a8325e9364b479a67d10f6b20439c0e
[INFO] running `"docker" "start" "-a" "e4d3d0dce2dee49e06fd56d9c46429527a8325e9364b479a67d10f6b20439c0e"`
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling free-space-wipe v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/cseitsg06.rs:60:17
[INFO] [stderr]    |
[INFO] [stderr] 60 |     let count = try!(chunk_writes(&buffer, &mut f, false));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/cseitsg06.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     try!(f.seek(SeekFrom::Start(0)));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/cseitsg06.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     try!(f.set_len(0));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/cseitsg06.rs:74:17
[INFO] [stderr]    |
[INFO] [stderr] 74 |     let count = try!(chunk_writes(&buffer, &mut f, false));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/cseitsg06.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 |     try!(f.seek(SeekFrom::Start(0)));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/cseitsg06.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     try!(f.set_len(0));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/cseitsg06.rs:89:17
[INFO] [stderr]    |
[INFO] [stderr] 89 |     let count = try!(chunk_writes(&buffer, &mut f, true));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/cseitsg06.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 114 |         try!(f.flush());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/cseitsg06.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 |         try!(f.sync_all());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/cseitsg06.rs:124:9
[INFO] [stderr]     |
[INFO] [stderr] 124 |         try!(f.seek(SeekFrom::Start(0)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/cseitsg06.rs:126:24
[INFO] [stderr]     |
[INFO] [stderr] 126 |             let read = try!(f.read(&mut rbuf));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.68s
[INFO] running `"docker" "inspect" "e4d3d0dce2dee49e06fd56d9c46429527a8325e9364b479a67d10f6b20439c0e"`
[INFO] running `"docker" "rm" "-f" "e4d3d0dce2dee49e06fd56d9c46429527a8325e9364b479a67d10f6b20439c0e"`
[INFO] [stdout] e4d3d0dce2dee49e06fd56d9c46429527a8325e9364b479a67d10f6b20439c0e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1f98ec370629601b3973368d2f770e2adb03cf3ef97ab4d6a9973becd004c2ce
[INFO] running `"docker" "start" "-a" "1f98ec370629601b3973368d2f770e2adb03cf3ef97ab4d6a9973becd004c2ce"`
[INFO] [stderr]    Compiling free-space-wipe v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/cseitsg06.rs:60:17
[INFO] [stderr]    |
[INFO] [stderr] 60 |     let count = try!(chunk_writes(&buffer, &mut f, false));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/cseitsg06.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     try!(f.seek(SeekFrom::Start(0)));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/cseitsg06.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     try!(f.set_len(0));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/cseitsg06.rs:74:17
[INFO] [stderr]    |
[INFO] [stderr] 74 |     let count = try!(chunk_writes(&buffer, &mut f, false));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/cseitsg06.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 |     try!(f.seek(SeekFrom::Start(0)));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/cseitsg06.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     try!(f.set_len(0));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/cseitsg06.rs:89:17
[INFO] [stderr]    |
[INFO] [stderr] 89 |     let count = try!(chunk_writes(&buffer, &mut f, true));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/cseitsg06.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 114 |         try!(f.flush());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/cseitsg06.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 |         try!(f.sync_all());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/cseitsg06.rs:124:9
[INFO] [stderr]     |
[INFO] [stderr] 124 |         try!(f.seek(SeekFrom::Start(0)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/cseitsg06.rs:126:24
[INFO] [stderr]     |
[INFO] [stderr] 126 |             let read = try!(f.read(&mut rbuf));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `"docker" "inspect" "1f98ec370629601b3973368d2f770e2adb03cf3ef97ab4d6a9973becd004c2ce"`
[INFO] running `"docker" "rm" "-f" "1f98ec370629601b3973368d2f770e2adb03cf3ef97ab4d6a9973becd004c2ce"`
[INFO] [stdout] 1f98ec370629601b3973368d2f770e2adb03cf3ef97ab4d6a9973becd004c2ce
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 77c7eca3ce83873a4bb383d3b3f96200abc40d40b289ae7d51fbd2fbf4e94faa
[INFO] running `"docker" "start" "-a" "77c7eca3ce83873a4bb383d3b3f96200abc40d40b289ae7d51fbd2fbf4e94faa"`
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/cseitsg06.rs:60:17
[INFO] [stderr]    |
[INFO] [stderr] 60 |     let count = try!(chunk_writes(&buffer, &mut f, false));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/cseitsg06.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     try!(f.seek(SeekFrom::Start(0)));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/cseitsg06.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     try!(f.set_len(0));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/cseitsg06.rs:74:17
[INFO] [stderr]    |
[INFO] [stderr] 74 |     let count = try!(chunk_writes(&buffer, &mut f, false));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/cseitsg06.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 |     try!(f.seek(SeekFrom::Start(0)));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/cseitsg06.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     try!(f.set_len(0));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/cseitsg06.rs:89:17
[INFO] [stderr]    |
[INFO] [stderr] 89 |     let count = try!(chunk_writes(&buffer, &mut f, true));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/cseitsg06.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 114 |         try!(f.flush());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/cseitsg06.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 |         try!(f.sync_all());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/cseitsg06.rs:124:9
[INFO] [stderr]     |
[INFO] [stderr] 124 |         try!(f.seek(SeekFrom::Start(0)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/cseitsg06.rs:126:24
[INFO] [stderr]     |
[INFO] [stderr] 126 |             let read = try!(f.read(&mut rbuf));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/free_space_wipe-e0c9c4fa700765bb
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "77c7eca3ce83873a4bb383d3b3f96200abc40d40b289ae7d51fbd2fbf4e94faa"`
[INFO] running `"docker" "rm" "-f" "77c7eca3ce83873a4bb383d3b3f96200abc40d40b289ae7d51fbd2fbf4e94faa"`
[INFO] [stdout] 77c7eca3ce83873a4bb383d3b3f96200abc40d40b289ae7d51fbd2fbf4e94faa