[INFO] cloning repository https://github.com/zsiegel/rustgrep [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zsiegel/rustgrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzsiegel%2Frustgrep", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzsiegel%2Frustgrep'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fbcc0642347c1d92a3d2b449e59ebc7d358721c4 [INFO] checking zsiegel/rustgrep against master#7b3a7819371cef92a187e9bac8f7810ccde15216 for pr-74846 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzsiegel%2Frustgrep" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zsiegel/rustgrep on toolchain 7b3a7819371cef92a187e9bac8f7810ccde15216 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/zsiegel/rustgrep [INFO] finished tweaking git repo https://github.com/zsiegel/rustgrep [INFO] tweaked toml for git repo https://github.com/zsiegel/rustgrep written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/zsiegel/rustgrep already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d31e4d3dba292966432b17a66ec4fb249335f07b86f3cb0d43c189a00d8d9ebe [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" "d31e4d3dba292966432b17a66ec4fb249335f07b86f3cb0d43c189a00d8d9ebe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d31e4d3dba292966432b17a66ec4fb249335f07b86f3cb0d43c189a00d8d9ebe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d31e4d3dba292966432b17a66ec4fb249335f07b86f3cb0d43c189a00d8d9ebe", kill_on_drop: false }` [INFO] [stdout] d31e4d3dba292966432b17a66ec4fb249335f07b86f3cb0d43c189a00d8d9ebe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c99765d8cba21962f8219332e17bfaeb3821ec8f3b5618e3f886147c9cc77e3c [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" "c99765d8cba21962f8219332e17bfaeb3821ec8f3b5618e3f886147c9cc77e3c", kill_on_drop: false }` [INFO] [stderr] Checking rustgrep v0.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:36:46 [INFO] [stdout] | [INFO] [stdout] 36 | 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] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:36:46 [INFO] [stdout] | [INFO] [stdout] 36 | 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] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'core::str::::trim_left': superseded by `trim_start` [INFO] [stdout] --> src/lib.rs:63:47 [INFO] [stdout] | [INFO] [stdout] 63 | ... contents: content.trim_left().to_string(), [INFO] [stdout] | ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'core::str::::trim_left': superseded by `trim_start` [INFO] [stdout] --> src/lib.rs:63:47 [INFO] [stdout] | [INFO] [stdout] 63 | ... contents: content.trim_left().to_string(), [INFO] [stdout] | ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib.rs:88:27 [INFO] [stdout] | [INFO] [stdout] 88 | search(query, contents) [INFO] [stdout] | ^^^^^^^^ types differ in mutability [INFO] [stdout] | [INFO] [stdout] = note: expected mutable reference `&mut std::io::BufReader` [INFO] [stdout] found reference `&str` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rustgrep`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "c99765d8cba21962f8219332e17bfaeb3821ec8f3b5618e3f886147c9cc77e3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c99765d8cba21962f8219332e17bfaeb3821ec8f3b5618e3f886147c9cc77e3c", kill_on_drop: false }` [INFO] [stdout] c99765d8cba21962f8219332e17bfaeb3821ec8f3b5618e3f886147c9cc77e3c