[INFO] fetching crate free-space-wipe 1.0.0...
[INFO] testing free-space-wipe-1.0.0 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate free-space-wipe 1.0.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate free-space-wipe 1.0.0 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0e2eb15b7a42ed22b2178d60bf5c9b2b7e2a04037959eca5963557966c1617d
[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" "b0e2eb15b7a42ed22b2178d60bf5c9b2b7e2a04037959eca5963557966c1617d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0e2eb15b7a42ed22b2178d60bf5c9b2b7e2a04037959eca5963557966c1617d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0e2eb15b7a42ed22b2178d60bf5c9b2b7e2a04037959eca5963557966c1617d", kill_on_drop: false }`
[INFO] [stdout] b0e2eb15b7a42ed22b2178d60bf5c9b2b7e2a04037959eca5963557966c1617d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5757f8dee81246755252135b8438d4a4244db4d574621bacf4fee391e2cf6ea
[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" "e5757f8dee81246755252135b8438d4a4244db4d574621bacf4fee391e2cf6ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling free-space-wipe v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/cseitsg06.rs:60:17
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let count = try!(chunk_writes(&buffer, &mut f, false));
[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/cseitsg06.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 |     try!(f.seek(SeekFrom::Start(0)));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/cseitsg06.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     try!(f.set_len(0));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/cseitsg06.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let count = try!(chunk_writes(&buffer, &mut f, false));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/cseitsg06.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     try!(f.seek(SeekFrom::Start(0)));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/cseitsg06.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     try!(f.set_len(0));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/cseitsg06.rs:89:17
[INFO] [stdout]    |
[INFO] [stdout] 89 |     let count = try!(chunk_writes(&buffer, &mut f, true));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cseitsg06.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |         try!(f.flush());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cseitsg06.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |         try!(f.sync_all());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cseitsg06.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |         try!(f.seek(SeekFrom::Start(0)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cseitsg06.rs:126:24
[INFO] [stdout]     |
[INFO] [stdout] 126 |             let read = try!(f.read(&mut rbuf));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.11s
[INFO] running `Command { std: "docker" "inspect" "e5757f8dee81246755252135b8438d4a4244db4d574621bacf4fee391e2cf6ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5757f8dee81246755252135b8438d4a4244db4d574621bacf4fee391e2cf6ea", kill_on_drop: false }`
[INFO] [stdout] e5757f8dee81246755252135b8438d4a4244db4d574621bacf4fee391e2cf6ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70e3fc2c874ace38ba543b252ecc219d101c132bf41a932661888328fe3b8724
[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" "70e3fc2c874ace38ba543b252ecc219d101c132bf41a932661888328fe3b8724", kill_on_drop: false }`
[INFO] [stderr]    Compiling free-space-wipe v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/cseitsg06.rs:60:17
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let count = try!(chunk_writes(&buffer, &mut f, false));
[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/cseitsg06.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 |     try!(f.seek(SeekFrom::Start(0)));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/cseitsg06.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     try!(f.set_len(0));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/cseitsg06.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let count = try!(chunk_writes(&buffer, &mut f, false));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/cseitsg06.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     try!(f.seek(SeekFrom::Start(0)));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/cseitsg06.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     try!(f.set_len(0));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/cseitsg06.rs:89:17
[INFO] [stdout]    |
[INFO] [stdout] 89 |     let count = try!(chunk_writes(&buffer, &mut f, true));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cseitsg06.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |         try!(f.flush());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cseitsg06.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |         try!(f.sync_all());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cseitsg06.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |         try!(f.seek(SeekFrom::Start(0)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cseitsg06.rs:126:24
[INFO] [stdout]     |
[INFO] [stdout] 126 |             let read = try!(f.read(&mut rbuf));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "70e3fc2c874ace38ba543b252ecc219d101c132bf41a932661888328fe3b8724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70e3fc2c874ace38ba543b252ecc219d101c132bf41a932661888328fe3b8724", kill_on_drop: false }`
[INFO] [stdout] 70e3fc2c874ace38ba543b252ecc219d101c132bf41a932661888328fe3b8724
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", 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] 8a2a293ca61d17e631ab565c18f43a83296b8b66546a10c76c2530c0cbc33875
[INFO] running `Command { std: "docker" "start" "-a" "8a2a293ca61d17e631ab565c18f43a83296b8b66546a10c76c2530c0cbc33875", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/cseitsg06.rs:60:17
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 60 |     let count = try!(chunk_writes(&buffer, &mut f, false));
[INFO] [stdout] 
[INFO] [stderr]    |                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/free_space_wipe-36d46d333688ea91)
[INFO] running `Command { std: "docker" "inspect" "8a2a293ca61d17e631ab565c18f43a83296b8b66546a10c76c2530c0cbc33875", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a2a293ca61d17e631ab565c18f43a83296b8b66546a10c76c2530c0cbc33875", kill_on_drop: false }`
[INFO] [stdout] 8a2a293ca61d17e631ab565c18f43a83296b8b66546a10c76c2530c0cbc33875