[INFO] cloning repository https://github.com/Siilwyn/rust-minigrep-clap [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Siilwyn/rust-minigrep-clap" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSiilwyn%2Frust-minigrep-clap", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSiilwyn%2Frust-minigrep-clap'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ffc2a8b7b2127495f9d16d8d2a85ef6579e36681 [INFO] checking Siilwyn/rust-minigrep-clap against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSiilwyn%2Frust-minigrep-clap" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Siilwyn/rust-minigrep-clap on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Siilwyn/rust-minigrep-clap [INFO] finished tweaking git repo https://github.com/Siilwyn/rust-minigrep-clap [INFO] tweaked toml for git repo https://github.com/Siilwyn/rust-minigrep-clap written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/Siilwyn/rust-minigrep-clap already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 31ce64f7aebb6373384d95e4629db7c093641cb65ee195d7a909c2c827c14e83 [INFO] running `Command { std: "docker" "start" "-a" "31ce64f7aebb6373384d95e4629db7c093641cb65ee195d7a909c2c827c14e83", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "31ce64f7aebb6373384d95e4629db7c093641cb65ee195d7a909c2c827c14e83", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31ce64f7aebb6373384d95e4629db7c093641cb65ee195d7a909c2c827c14e83", kill_on_drop: false }` [INFO] [stdout] 31ce64f7aebb6373384d95e4629db7c093641cb65ee195d7a909c2c827c14e83 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2c11e6b6c02057212f203f880c93287d77710c2e98b0c2dff5eb768f58cbc530 [INFO] running `Command { std: "docker" "start" "-a" "2c11e6b6c02057212f203f880c93287d77710c2e98b0c2dff5eb768f58cbc530", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.36 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking vec_map v0.8.0 [INFO] [stderr] Checking bitflags v1.0.1 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Checking atty v0.2.6 [INFO] [stderr] Checking clap v2.30.0 [INFO] [stderr] Checking minigrep v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:7:46 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn run(config: Config) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:7:46 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn run(config: Config) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [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] Finished dev [unoptimized + debuginfo] target(s) in 3.89s [INFO] running `Command { std: "docker" "inspect" "2c11e6b6c02057212f203f880c93287d77710c2e98b0c2dff5eb768f58cbc530", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c11e6b6c02057212f203f880c93287d77710c2e98b0c2dff5eb768f58cbc530", kill_on_drop: false }` [INFO] [stdout] 2c11e6b6c02057212f203f880c93287d77710c2e98b0c2dff5eb768f58cbc530