[INFO] cloning repository https://github.com/sector-f/prepend
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sector-f/prepend" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsector-f%2Fprepend", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsector-f%2Fprepend'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 97f905b50808d6898e961aeee054b3aedfd53735
[INFO] testing sector-f/prepend against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsector-f%2Fprepend" "/workspace/builds/worker-69/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-69/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sector-f/prepend on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sector-f/prepend
[INFO] finished tweaking git repo https://github.com/sector-f/prepend
[INFO] tweaked toml for git repo https://github.com/sector-f/prepend written to /workspace/builds/worker-69/source/Cargo.toml
[INFO] crate git repo https://github.com/sector-f/prepend already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.10
[INFO] [stderr]   Downloaded clap v2.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7f8ab32b70e46eb9a8e09b5dae0f9ddd12469e1248176d9df688129fd5d7dd4
[INFO] running `Command { std: "docker" "start" "-a" "c7f8ab32b70e46eb9a8e09b5dae0f9ddd12469e1248176d9df688129fd5d7dd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7f8ab32b70e46eb9a8e09b5dae0f9ddd12469e1248176d9df688129fd5d7dd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7f8ab32b70e46eb9a8e09b5dae0f9ddd12469e1248176d9df688129fd5d7dd4", kill_on_drop: false }`
[INFO] [stdout] c7f8ab32b70e46eb9a8e09b5dae0f9ddd12469e1248176d9df688129fd5d7dd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bddd11cccca41d3a2545d5572d932c4847cb385a4712b1366b0fae89775441b
[INFO] running `Command { std: "docker" "start" "-a" "6bddd11cccca41d3a2545d5572d932c4847cb385a4712b1366b0fae89775441b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.10
[INFO] [stderr]    Compiling strsim v0.4.1
[INFO] [stderr]    Compiling unicode-width v0.1.3
[INFO] [stderr]    Compiling vec_map v0.6.0
[INFO] [stderr]    Compiling ansi_term v0.7.2
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling clap v2.3.0
[INFO] [stderr]    Compiling prepend v2.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/prepend.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     try!(openfile.read_to_end(&mut file_buffer));
[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/prepend.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     try!(openfile.set_len(0));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/prepend.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     try!(openfile.write_all(&stdin_buffer));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/prepend.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     try!(openfile.write_all(&file_buffer));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/prepend.rs:11:24
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut openfile = try!{
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/prepend.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     try!(openfile.read_to_end(&mut file_buffer));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/prepend.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     try!(stdout().write_all(&file_buffer));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/prepend.rs:30:24
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let mut openfile = try!{
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.68s
[INFO] running `Command { std: "docker" "inspect" "6bddd11cccca41d3a2545d5572d932c4847cb385a4712b1366b0fae89775441b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bddd11cccca41d3a2545d5572d932c4847cb385a4712b1366b0fae89775441b", kill_on_drop: false }`
[INFO] [stdout] 6bddd11cccca41d3a2545d5572d932c4847cb385a4712b1366b0fae89775441b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5918f2b009fc8334721feb82f3676c7f8117acb173be386e6567da32dffee2e9
[INFO] running `Command { std: "docker" "start" "-a" "5918f2b009fc8334721feb82f3676c7f8117acb173be386e6567da32dffee2e9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling prepend v2.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/prepend.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     try!(openfile.read_to_end(&mut file_buffer));
[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/prepend.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     try!(openfile.set_len(0));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/prepend.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     try!(openfile.write_all(&stdin_buffer));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/prepend.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     try!(openfile.write_all(&file_buffer));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/prepend.rs:11:24
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut openfile = try!{
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/prepend.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     try!(openfile.read_to_end(&mut file_buffer));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/prepend.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     try!(stdout().write_all(&file_buffer));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/prepend.rs:30:24
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let mut openfile = try!{
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.49s
[INFO] running `Command { std: "docker" "inspect" "5918f2b009fc8334721feb82f3676c7f8117acb173be386e6567da32dffee2e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5918f2b009fc8334721feb82f3676c7f8117acb173be386e6567da32dffee2e9", kill_on_drop: false }`
[INFO] [stdout] 5918f2b009fc8334721feb82f3676c7f8117acb173be386e6567da32dffee2e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f72b3c906a25d2d298bdf8e5fb98317e6a87465ad41bab4518df4e7fe7368b92
[INFO] running `Command { std: "docker" "start" "-a" "f72b3c906a25d2d298bdf8e5fb98317e6a87465ad41bab4518df4e7fe7368b92", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/prepend.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     try!(openfile.read_to_end(&mut file_buffer));
[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/prepend.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     try!(openfile.set_len(0));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/prepend.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     try!(openfile.write_all(&stdin_buffer));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/prepend.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     try!(openfile.write_all(&file_buffer));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/prepend.rs:11:24
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let mut openfile = try!{
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/prepend.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     try!(openfile.read_to_end(&mut file_buffer));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/prepend.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     try!(stdout().write_all(&file_buffer));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/prepend.rs:30:24
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let mut openfile = try!{
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `prepend` (bin "prepend" test) generated 8 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prepend-3192ff1df75e512d)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f72b3c906a25d2d298bdf8e5fb98317e6a87465ad41bab4518df4e7fe7368b92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f72b3c906a25d2d298bdf8e5fb98317e6a87465ad41bab4518df4e7fe7368b92", kill_on_drop: false }`
[INFO] [stdout] f72b3c906a25d2d298bdf8e5fb98317e6a87465ad41bab4518df4e7fe7368b92