[INFO] cloning repository https://github.com/malcx95/ascii-christmas-tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/malcx95/ascii-christmas-tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalcx95%2Fascii-christmas-tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalcx95%2Fascii-christmas-tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f0ea6bbdca595b691b66c88a3fcdefdce8d2557
[INFO] checking malcx95/ascii-christmas-tree against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalcx95%2Fascii-christmas-tree" "/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/malcx95/ascii-christmas-tree on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/malcx95/ascii-christmas-tree
[INFO] finished tweaking git repo https://github.com/malcx95/ascii-christmas-tree
[INFO] tweaked toml for git repo https://github.com/malcx95/ascii-christmas-tree written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/malcx95/ascii-christmas-tree already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a15b00a3ad2569849e77a82e76af1b65c50e55311141ca9d830a8c24d7b83b6
[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" "7a15b00a3ad2569849e77a82e76af1b65c50e55311141ca9d830a8c24d7b83b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a15b00a3ad2569849e77a82e76af1b65c50e55311141ca9d830a8c24d7b83b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a15b00a3ad2569849e77a82e76af1b65c50e55311141ca9d830a8c24d7b83b6", kill_on_drop: false }`
[INFO] [stdout] 7a15b00a3ad2569849e77a82e76af1b65c50e55311141ca9d830a8c24d7b83b6
[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=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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a61fb4f8609bff201157df3699ecb2b50922306aad5ec232547a18050dc4c4a9
[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" "a61fb4f8609bff201157df3699ecb2b50922306aad5ec232547a18050dc4c4a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling phf_shared v0.7.20
[INFO] [stderr]     Checking lazy_static v0.2.2
[INFO] [stderr]    Compiling khronos_api v1.0.0
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]    Compiling gcc v0.3.40
[INFO] [stderr]    Compiling pkg-config v0.3.8
[INFO] [stderr]     Checking rustc-serialize v0.3.22
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]     Checking smallvec v0.1.8
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]    Compiling xml-rs v0.3.5
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling serde_json v0.8.4
[INFO] [stderr]    Compiling tempfile v2.1.4
[INFO] [stderr]     Checking shared_library v0.1.5
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]    Compiling phf v0.7.20
[INFO] [stderr]     Checking memmap v0.2.3
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]    Compiling x11-dl v2.11.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling wayland-scanner v0.5.11
[INFO] [stderr]    Compiling gl_generator v0.5.2
[INFO] [stderr]    Compiling phf_generator v0.7.20
[INFO] [stderr]    Compiling phf_codegen v0.7.20
[INFO] [stderr]    Compiling target_build_utils v0.1.2
[INFO] [stderr]    Compiling glutin v0.6.2
[INFO] [stderr]    Compiling glium v0.15.0
[INFO] [stderr]    Compiling wayland-client v0.5.12
[INFO] [stderr]     Checking num-bigint v0.1.35
[INFO] [stderr]     Checking num-complex v0.1.35
[INFO] [stderr]     Checking num-rational v0.1.35
[INFO] [stderr]     Checking num v0.1.36
[INFO] [stderr]     Checking nalgebra v0.10.1
[INFO] [stderr]    Compiling libloading v0.3.1
[INFO] [stderr]     Checking dlib v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.5.11
[INFO] [stderr]     Checking wayland-window v0.2.3
[INFO] [stderr]     Checking wayland-kbd v0.3.6
[INFO] [stderr]     Checking caca_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/main.rs:43:26
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn init_caca() -> Result<(*mut libcaca_ffi::caca_display_t), String> {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:56:20
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let mut file = try!(File::open(path));
[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/main.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     try!(file.read_to_string(&mut contents));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/main.rs:43:26
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn init_caca() -> Result<(*mut libcaca_ffi::caca_display_t), String> {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:56:20
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let mut file = try!(File::open(path));
[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/main.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     try!(file.read_to_string(&mut contents));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "a61fb4f8609bff201157df3699ecb2b50922306aad5ec232547a18050dc4c4a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a61fb4f8609bff201157df3699ecb2b50922306aad5ec232547a18050dc4c4a9", kill_on_drop: false }`
[INFO] [stdout] a61fb4f8609bff201157df3699ecb2b50922306aad5ec232547a18050dc4c4a9