[INFO] cloning repository https://github.com/RobertBakaric/rust-FileOperator [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RobertBakaric/rust-FileOperator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRobertBakaric%2Frust-FileOperator", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRobertBakaric%2Frust-FileOperator'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] eaee9fdd411e27fdc121e1a74a04d09b18a93b12 [INFO] checking RobertBakaric/rust-FileOperator against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRobertBakaric%2Frust-FileOperator" "/workspace/builds/worker-83/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-83/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/RobertBakaric/rust-FileOperator on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/RobertBakaric/rust-FileOperator [INFO] finished tweaking git repo https://github.com/RobertBakaric/rust-FileOperator [INFO] tweaked toml for git repo https://github.com/RobertBakaric/rust-FileOperator written to /workspace/builds/worker-83/source/Cargo.toml [INFO] crate git repo https://github.com/RobertBakaric/rust-FileOperator already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 210aa623668067df0a05e66203b813627ab1f5a48a3c9f1071110d07e43ee55e [INFO] running `Command { std: "docker" "start" "-a" "210aa623668067df0a05e66203b813627ab1f5a48a3c9f1071110d07e43ee55e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "210aa623668067df0a05e66203b813627ab1f5a48a3c9f1071110d07e43ee55e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "210aa623668067df0a05e66203b813627ab1f5a48a3c9f1071110d07e43ee55e", kill_on_drop: false }` [INFO] [stdout] 210aa623668067df0a05e66203b813627ab1f5a48a3c9f1071110d07e43ee55e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 548c204e190b85aa2078810380a52a82bf1a15755bfc3f1e524b6f4170ab08c3 [INFO] running `Command { std: "docker" "start" "-a" "548c204e190b85aa2078810380a52a82bf1a15755bfc3f1e524b6f4170ab08c3", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.48 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking folib v0.1.0 (/opt/rustwide/workdir/folib) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> folib/src/lib.rs:27:64 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn really_complicated_code(a: u8, b: u8) -> 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 2018) 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] --> folib/src/lib.rs:27:64 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn really_complicated_code(a: u8, b: u8) -> 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 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.6.5 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking fo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `clap::*` [INFO] [stdout] --> src/main.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | use clap::*; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::*` [INFO] [stdout] --> src/main.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | use std::io::*; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `clap::*` [INFO] [stdout] --> src/main.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | use clap::*; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::*` [INFO] [stdout] --> src/main.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | use std::io::*; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.01s [INFO] running `Command { std: "docker" "inspect" "548c204e190b85aa2078810380a52a82bf1a15755bfc3f1e524b6f4170ab08c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "548c204e190b85aa2078810380a52a82bf1a15755bfc3f1e524b6f4170ab08c3", kill_on_drop: false }` [INFO] [stdout] 548c204e190b85aa2078810380a52a82bf1a15755bfc3f1e524b6f4170ab08c3