[INFO] cloning repository https://github.com/patrickod/barcode-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/patrickod/barcode-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatrickod%2Fbarcode-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatrickod%2Fbarcode-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 27b930ed82def7dde32bdd28592586d569ae6223
[INFO] testing patrickod/barcode-rust against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatrickod%2Fbarcode-rust" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/patrickod/barcode-rust on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/patrickod/barcode-rust
[INFO] finished tweaking git repo https://github.com/patrickod/barcode-rust
[INFO] tweaked toml for git repo https://github.com/patrickod/barcode-rust written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/patrickod/barcode-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-3/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bf9d519c95d602a1d43058eb373931353be6625c1b150e8d3f55b980656fee9
[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" "8bf9d519c95d602a1d43058eb373931353be6625c1b150e8d3f55b980656fee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bf9d519c95d602a1d43058eb373931353be6625c1b150e8d3f55b980656fee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bf9d519c95d602a1d43058eb373931353be6625c1b150e8d3f55b980656fee9", kill_on_drop: false }`
[INFO] [stdout] 8bf9d519c95d602a1d43058eb373931353be6625c1b150e8d3f55b980656fee9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97705ec89f5d7ea478b9c9c1179d02857c2dfe7014b1051d920d7fd08d71ea4f
[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" "97705ec89f5d7ea478b9c9c1179d02857c2dfe7014b1051d920d7fd08d71ea4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v0.1.1
[INFO] [stderr]    Compiling enum_primitive v0.0.2
[INFO] [stderr]    Compiling scanner v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/parse.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 stdout.write(c.to_string().as_bytes());
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/parse.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |             stdout.write(key.to_char().as_bytes());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/parse.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         stdout.flush();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]   --> src/bin/scanner.rs:29:56
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let f = libc::open(CString::new(file).unwrap().as_ptr(), libc::O_RDONLY, 0);
[INFO] [stdout]    |                            --------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stdout]    = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]    = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `Libevdev`, which is not FFI-safe
[INFO] [stdout]   --> src/bin/scanner.rs:18:26
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn libevdev_new() -> *mut Libevdev;
[INFO] [stdout]    |                          ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `Libevdev`, which is not FFI-safe
[INFO] [stdout]   --> src/bin/scanner.rs:19:29
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn libevdev_set_fd(dev: *mut Libevdev, fd: i32) -> i32;
[INFO] [stdout]    |                             ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `Libevdev`, which is not FFI-safe
[INFO] [stdout]   --> src/bin/scanner.rs:20:33
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn libevdev_next_event(dev: *mut Libevdev, flag: u32, ev: *mut InputEvent) -> i32;
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `Libevdev`, which is not FFI-safe
[INFO] [stdout]   --> src/bin/scanner.rs:21:27
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn libevdev_free(dev: *mut Libevdev);
[INFO] [stdout]    |                           ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `Libevdev`, which is not FFI-safe
[INFO] [stdout]   --> src/bin/scanner.rs:24:27
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn libevdev_grab(dev: *mut Libevdev, grab: u32) -> i32;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.07s
[INFO] running `Command { std: "docker" "inspect" "97705ec89f5d7ea478b9c9c1179d02857c2dfe7014b1051d920d7fd08d71ea4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97705ec89f5d7ea478b9c9c1179d02857c2dfe7014b1051d920d7fd08d71ea4f", kill_on_drop: false }`
[INFO] [stdout] 97705ec89f5d7ea478b9c9c1179d02857c2dfe7014b1051d920d7fd08d71ea4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fa398c49f236d6803dd5e370a0c767ac169061707cb7c0f8b06a58c945ced73
[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" "4fa398c49f236d6803dd5e370a0c767ac169061707cb7c0f8b06a58c945ced73", kill_on_drop: false }`
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/parse.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 stdout.write(c.to_string().as_bytes());
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/parse.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |             stdout.write(key.to_char().as_bytes());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling scanner v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/parse.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         stdout.flush();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]   --> src/bin/scanner.rs:29:56
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let f = libc::open(CString::new(file).unwrap().as_ptr(), libc::O_RDONLY, 0);
[INFO] [stdout]    |                            --------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stdout]    = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]    = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `Libevdev`, which is not FFI-safe
[INFO] [stdout]   --> src/bin/scanner.rs:18:26
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn libevdev_new() -> *mut Libevdev;
[INFO] [stdout]    |                          ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `Libevdev`, which is not FFI-safe
[INFO] [stdout]   --> src/bin/scanner.rs:19:29
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn libevdev_set_fd(dev: *mut Libevdev, fd: i32) -> i32;
[INFO] [stdout]    |                             ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `Libevdev`, which is not FFI-safe
[INFO] [stdout]   --> src/bin/scanner.rs:20:33
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn libevdev_next_event(dev: *mut Libevdev, flag: u32, ev: *mut InputEvent) -> i32;
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `Libevdev`, which is not FFI-safe
[INFO] [stdout]   --> src/bin/scanner.rs:21:27
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn libevdev_free(dev: *mut Libevdev);
[INFO] [stdout]    |                           ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `Libevdev`, which is not FFI-safe
[INFO] [stdout]   --> src/bin/scanner.rs:24:27
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn libevdev_grab(dev: *mut Libevdev, grab: u32) -> i32;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/parse.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 stdout.write(c.to_string().as_bytes());
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/parse.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |             stdout.write(key.to_char().as_bytes());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/parse.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         stdout.flush();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "4fa398c49f236d6803dd5e370a0c767ac169061707cb7c0f8b06a58c945ced73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fa398c49f236d6803dd5e370a0c767ac169061707cb7c0f8b06a58c945ced73", kill_on_drop: false }`
[INFO] [stdout] 4fa398c49f236d6803dd5e370a0c767ac169061707cb7c0f8b06a58c945ced73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6dee5dd419d22e034c70565ae8beca6e90328ef16c9d4c270ee132c7b1b138a2
[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" "6dee5dd419d22e034c70565ae8beca6e90328ef16c9d4c270ee132c7b1b138a2", kill_on_drop: false }`
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/parse.rs:29:17
[INFO] [stderr]    |
[INFO] [stderr] 29 |                 stdout.write(c.to_string().as_bytes());
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/parse.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |             stdout.write(key.to_char().as_bytes());
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/parse.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |         stdout.flush();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/parse.rs:29:17
[INFO] [stderr]    |
[INFO] [stderr] 29 |                 stdout.write(c.to_string().as_bytes());
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/parse.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |             stdout.write(key.to_char().as_bytes());
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/parse.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |         stdout.flush();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: getting the inner pointer of a temporary `CString`
[INFO] [stderr]   --> src/bin/scanner.rs:29:56
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let f = libc::open(CString::new(file).unwrap().as_ptr(), libc::O_RDONLY, 0);
[INFO] [stderr]    |                            --------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stderr]    |                            |
[INFO] [stderr]    |                            this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stderr]    = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stderr]    = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `Libevdev`, which is not FFI-safe
[INFO] [stderr]   --> src/bin/scanner.rs:18:26
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn libevdev_new() -> *mut Libevdev;
[INFO] [stderr]    |                          ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stderr]    = help: consider adding a member to this struct
[INFO] [stderr]    = note: this struct has no fields
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `Libevdev`, which is not FFI-safe
[INFO] [stderr]   --> src/bin/scanner.rs:19:29
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn libevdev_set_fd(dev: *mut Libevdev, fd: i32) -> i32;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a member to this struct
[INFO] [stderr]    = note: this struct has no fields
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `Libevdev`, which is not FFI-safe
[INFO] [stderr]   --> src/bin/scanner.rs:20:33
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn libevdev_next_event(dev: *mut Libevdev, flag: u32, ev: *mut InputEvent) -> i32;
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a member to this struct
[INFO] [stderr]    = note: this struct has no fields
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `Libevdev`, which is not FFI-safe
[INFO] [stderr]   --> src/bin/scanner.rs:21:27
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn libevdev_free(dev: *mut Libevdev);
[INFO] [stderr]    |                           ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a member to this struct
[INFO] [stderr]    = note: this struct has no fields
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `Libevdev`, which is not FFI-safe
[INFO] [stderr]   --> src/bin/scanner.rs:24:27
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn libevdev_grab(dev: *mut Libevdev, grab: u32) -> i32;
[INFO] [stderr]    |                           ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a member to this struct
[INFO] [stderr]    = note: this struct has no fields
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/scanner-dfcf6624b5c1ca6f
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/scanner-f17acff19e38d88b
[INFO] [stdout] running 1 test
[INFO] [stdout] test isbn::test_isbn_13_valid ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests scanner
[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] [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" "6dee5dd419d22e034c70565ae8beca6e90328ef16c9d4c270ee132c7b1b138a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dee5dd419d22e034c70565ae8beca6e90328ef16c9d4c270ee132c7b1b138a2", kill_on_drop: false }`
[INFO] [stdout] 6dee5dd419d22e034c70565ae8beca6e90328ef16c9d4c270ee132c7b1b138a2