[INFO] cloning repository https://github.com/yuripourre/rust_cam
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yuripourre/rust_cam" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuripourre%2Frust_cam", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuripourre%2Frust_cam'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cf68636337332a6165000d030a8ad7649e203c9b
[INFO] testing yuripourre/rust_cam against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuripourre%2Frust_cam" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yuripourre/rust_cam on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yuripourre/rust_cam
[INFO] finished tweaking git repo https://github.com/yuripourre/rust_cam
[INFO] tweaked toml for git repo https://github.com/yuripourre/rust_cam written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/yuripourre/rust_cam already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5650e67e5ddd4e8c8f2407cf18332dc2e048ddc889e024a22320e92cc1265697
[INFO] running `Command { std: "docker" "start" "-a" "5650e67e5ddd4e8c8f2407cf18332dc2e048ddc889e024a22320e92cc1265697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5650e67e5ddd4e8c8f2407cf18332dc2e048ddc889e024a22320e92cc1265697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5650e67e5ddd4e8c8f2407cf18332dc2e048ddc889e024a22320e92cc1265697", kill_on_drop: false }`
[INFO] [stdout] 5650e67e5ddd4e8c8f2407cf18332dc2e048ddc889e024a22320e92cc1265697
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19734e745b1d69ee31457b3a2e9c524ff436f6315cafa244b70bfd1c3ad0895f
[INFO] running `Command { std: "docker" "start" "-a" "19734e745b1d69ee31457b3a2e9c524ff436f6315cafa244b70bfd1c3ad0895f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_cam v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: invalid suffix `i` for number literal
[INFO] [stdout]   --> src/main.rs:57:20
[INFO] [stdout]    |
[INFO] [stdout] 57 |     for i in range(0i, 5i) {
[INFO] [stdout]    |                    ^^ invalid suffix `i`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `i` for number literal
[INFO] [stdout]   --> src/main.rs:57:24
[INFO] [stdout]    |
[INFO] [stdout] 57 |     for i in range(0i, 5i) {
[INFO] [stdout]    |                        ^^ invalid suffix `i`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]   --> src/main.rs:57:14
[INFO] [stdout]    |
[INFO] [stdout] 57 |     for i in range(0i, 5i) {
[INFO] [stdout]    |              ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::slice::range;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::libc::c_char`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use self::libc::c_char;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate libc;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use self::libc::c_char;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/main.rs:9:48
[INFO] [stdout]   |
[INFO] [stdout] 9 |         fn v4l_open_device(device_name: *const libc::c_char) -> i32;
[INFO] [stdout]   |                                                ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to_c_str` found for reference `&str` in the current scope
[INFO] [stdout]   --> src/main.rs:18:41
[INFO] [stdout]    |
[INFO] [stdout] 18 |             v4l_open_device(device_name.to_c_str().as_ptr())
[INFO] [stdout]    |                                         ^^^^^^^^ method not found in `&str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0599, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_cam` due to 8 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "19734e745b1d69ee31457b3a2e9c524ff436f6315cafa244b70bfd1c3ad0895f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19734e745b1d69ee31457b3a2e9c524ff436f6315cafa244b70bfd1c3ad0895f", kill_on_drop: false }`
[INFO] [stdout] 19734e745b1d69ee31457b3a2e9c524ff436f6315cafa244b70bfd1c3ad0895f