[INFO] updating cached repository https://github.com/eyingxuan/derustify
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a65cd51603451946bacb8e48c12bef0b6129d9f1
[INFO] testing eyingxuan/derustify against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feyingxuan%2Fderustify" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eyingxuan/derustify on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/eyingxuan/derustify
[INFO] finished tweaking git repo https://github.com/eyingxuan/derustify
[INFO] tweaked toml for git repo https://github.com/eyingxuan/derustify written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/eyingxuan/derustify already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af47ef130b4ff17595e1f98ba5ad4eb7094242b63b9a809a27eef6d1a37f427e
[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" "af47ef130b4ff17595e1f98ba5ad4eb7094242b63b9a809a27eef6d1a37f427e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af47ef130b4ff17595e1f98ba5ad4eb7094242b63b9a809a27eef6d1a37f427e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af47ef130b4ff17595e1f98ba5ad4eb7094242b63b9a809a27eef6d1a37f427e", kill_on_drop: false }`
[INFO] [stdout] af47ef130b4ff17595e1f98ba5ad4eb7094242b63b9a809a27eef6d1a37f427e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03683aedfd1f20bd340b39739fefaf433bbbffdd8313cf82836e21e2344a25cf
[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" "03683aedfd1f20bd340b39739fefaf433bbbffdd8313cf82836e21e2344a25cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling rustyline v6.2.0
[INFO] [stderr]    Compiling gimli v0.21.0
[INFO] [stderr]    Compiling derustify v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `disable_breakpoint`
[INFO] [stdout]   --> src/debugger/breakpoint.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn disable_breakpoint(&mut self) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pid`
[INFO] [stdout]   --> src/debugger/debugger.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pid: Pid,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.98s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "03683aedfd1f20bd340b39739fefaf433bbbffdd8313cf82836e21e2344a25cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03683aedfd1f20bd340b39739fefaf433bbbffdd8313cf82836e21e2344a25cf", kill_on_drop: false }`
[INFO] [stdout] 03683aedfd1f20bd340b39739fefaf433bbbffdd8313cf82836e21e2344a25cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--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] 20536bf22c42e075b74eb1ceb03a9e0b6024f16ea28df41a954b6a98a9a0537a
[INFO] running `Command { std: "docker" "start" "-a" "20536bf22c42e075b74eb1ceb03a9e0b6024f16ea28df41a954b6a98a9a0537a", kill_on_drop: false }`
[INFO] [stderr]    Compiling derustify v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `disable_breakpoint`
[INFO] [stdout]   --> src/debugger/breakpoint.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn disable_breakpoint(&mut self) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pid`
[INFO] [stdout]   --> src/debugger/debugger.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pid: Pid,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "20536bf22c42e075b74eb1ceb03a9e0b6024f16ea28df41a954b6a98a9a0537a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20536bf22c42e075b74eb1ceb03a9e0b6024f16ea28df41a954b6a98a9a0537a", kill_on_drop: false }`
[INFO] [stdout] 20536bf22c42e075b74eb1ceb03a9e0b6024f16ea28df41a954b6a98a9a0537a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4c2a9697a50a14422e97ef8529568a383b82ffca9fb85cfaf057bbf7f05217a5
[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" "4c2a9697a50a14422e97ef8529568a383b82ffca9fb85cfaf057bbf7f05217a5", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `disable_breakpoint`
[INFO] [stderr]   --> src/debugger/breakpoint.rs:38:12
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn disable_breakpoint(&mut self) -> Result<()> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `pid`
[INFO] [stderr]   --> src/debugger/debugger.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pid: Pid,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/derustify-8e1c81bc72d56a1b
[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 `Command { std: "docker" "inspect" "4c2a9697a50a14422e97ef8529568a383b82ffca9fb85cfaf057bbf7f05217a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c2a9697a50a14422e97ef8529568a383b82ffca9fb85cfaf057bbf7f05217a5", kill_on_drop: false }`
[INFO] [stdout] 4c2a9697a50a14422e97ef8529568a383b82ffca9fb85cfaf057bbf7f05217a5