[INFO] cloning repository https://github.com/lnenad/image-to-ascii [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lnenad/image-to-ascii" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flnenad%2Fimage-to-ascii", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flnenad%2Fimage-to-ascii'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3a6cfa6c1e70e7a6a5ed675ca8a61950c5a613b5 [INFO] checking lnenad/image-to-ascii against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flnenad%2Fimage-to-ascii" "/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/lnenad/image-to-ascii on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/lnenad/image-to-ascii [INFO] finished tweaking git repo https://github.com/lnenad/image-to-ascii [INFO] tweaked toml for git repo https://github.com/lnenad/image-to-ascii written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/lnenad/image-to-ascii already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", 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] f71f38b87c865e84c98325459884a4a4aa9286bde169ca5d702292fe55b21b0c [INFO] running `Command { std: "docker" "start" "-a" "f71f38b87c865e84c98325459884a4a4aa9286bde169ca5d702292fe55b21b0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f71f38b87c865e84c98325459884a4a4aa9286bde169ca5d702292fe55b21b0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f71f38b87c865e84c98325459884a4a4aa9286bde169ca5d702292fe55b21b0c", kill_on_drop: false }` [INFO] [stdout] f71f38b87c865e84c98325459884a4a4aa9286bde169ca5d702292fe55b21b0c [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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1ffe0ee03cd4d37b33199536ddb18ff9cf5e3ba3ee4cb0188a7f32ed593fdb96 [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" "1ffe0ee03cd4d37b33199536ddb18ff9cf5e3ba3ee4cb0188a7f32ed593fdb96", kill_on_drop: false }` [INFO] [stderr] Checking either v1.3.0 [INFO] [stderr] Checking lazy_static v0.2.9 [INFO] [stderr] Checking bitflags v1.0.0 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking deflate v0.7.17 [INFO] [stderr] Checking num-rational v0.1.40 [INFO] [stderr] Checking coco v0.1.1 [INFO] [stderr] Checking gif v0.9.2 [INFO] [stderr] Checking png v0.11.0 [INFO] [stderr] Checking rayon-core v1.3.0 [INFO] [stderr] Checking rayon v0.8.2 [INFO] [stderr] Checking jpeg-decoder v0.1.13 [INFO] [stderr] Checking image v0.17.0 [INFO] [stderr] Checking imagetoascii v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:68:76 [INFO] [stdout] | [INFO] [stdout] 68 | fn write_to_file(file_name: &str, contents: &String) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:79:79 [INFO] [stdout] | [INFO] [stdout] 79 | fn generate_preview(file_name: &str, contents: &String) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:68:76 [INFO] [stdout] | [INFO] [stdout] 68 | fn write_to_file(file_name: &str, contents: &String) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:79:79 [INFO] [stdout] | [INFO] [stdout] 79 | fn generate_preview(file_name: &str, contents: &String) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | generate_preview(&output.replace(".txt", ".html"), &contents); [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 `Result` that must be used [INFO] [stdout] --> src/main.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | generate_preview(&output.replace(".txt", ".html"), &contents); [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: 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 8.50s [INFO] running `Command { std: "docker" "inspect" "1ffe0ee03cd4d37b33199536ddb18ff9cf5e3ba3ee4cb0188a7f32ed593fdb96", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ffe0ee03cd4d37b33199536ddb18ff9cf5e3ba3ee4cb0188a7f32ed593fdb96", kill_on_drop: false }` [INFO] [stdout] 1ffe0ee03cd4d37b33199536ddb18ff9cf5e3ba3ee4cb0188a7f32ed593fdb96