[INFO] cloning repository https://github.com/ChristopherBiscardi/salsa-file-watch-example [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ChristopherBiscardi/salsa-file-watch-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChristopherBiscardi%2Fsalsa-file-watch-example", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChristopherBiscardi%2Fsalsa-file-watch-example'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f968dc8ea13a90373f91d962f173de3fe6ae24cd [INFO] checking ChristopherBiscardi/salsa-file-watch-example against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChristopherBiscardi%2Fsalsa-file-watch-example" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ChristopherBiscardi/salsa-file-watch-example on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ChristopherBiscardi/salsa-file-watch-example [INFO] finished tweaking git repo https://github.com/ChristopherBiscardi/salsa-file-watch-example [INFO] tweaked toml for git repo https://github.com/ChristopherBiscardi/salsa-file-watch-example written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/ChristopherBiscardi/salsa-file-watch-example already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded salsa-macros v0.15.2 [INFO] [stderr] Downloaded salsa v0.15.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 01193094b71cf3fad0ec53ffb8638a596369a428c83f4d0371d433400c61e830 [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" "01193094b71cf3fad0ec53ffb8638a596369a428c83f4d0371d433400c61e830", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "01193094b71cf3fad0ec53ffb8638a596369a428c83f4d0371d433400c61e830", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01193094b71cf3fad0ec53ffb8638a596369a428c83f4d0371d433400c61e830", kill_on_drop: false }` [INFO] [stdout] 01193094b71cf3fad0ec53ffb8638a596369a428c83f4d0371d433400c61e830 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b81d6f6675c1abbd279d601d1deda82e582ed4e76b1710d22199072bd60799d7 [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" "b81d6f6675c1abbd279d601d1deda82e582ed4e76b1710d22199072bd60799d7", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.77 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling syn v1.0.40 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking instant v0.1.6 [INFO] [stderr] Checking hashbrown v0.9.0 [INFO] [stderr] Checking oorandom v11.1.2 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling indexmap v1.6.0 [INFO] [stderr] Checking lock_api v0.4.1 [INFO] [stderr] Compiling proc-macro2 v1.0.21 [INFO] [stderr] Checking log v0.4.11 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking net2 v0.2.35 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking parking_lot_core v0.8.0 [INFO] [stderr] Checking inotify-sys v0.1.3 [INFO] [stderr] Checking filetime v0.2.12 [INFO] [stderr] Checking inotify v0.7.1 [INFO] [stderr] Checking parking_lot v0.11.0 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking notify v4.0.15 [INFO] [stderr] Compiling salsa-macros v0.15.2 [INFO] [stderr] Checking salsa v0.15.2 [INFO] [stderr] Checking salsa-file-watch v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Receiver`, `Sender` [INFO] [stdout] --> main.rs:4:32 [INFO] [stdout] | [INFO] [stdout] 4 | use std::sync::mpsc::{channel, Receiver, Sender}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `contents` [INFO] [stdout] --> main.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | let contents = db.read(file_to_watch.to_path_buf()); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_contents` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> main.rs:50:9 [INFO] [stdout] | [INFO] [stdout] 50 | let mut watcher = Arc::from(Mutex::new(watcher(tx, Duration::from_secs(1)).unwrap())); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Receiver`, `Sender` [INFO] [stdout] --> main.rs:4:32 [INFO] [stdout] | [INFO] [stdout] 4 | use std::sync::mpsc::{channel, Receiver, Sender}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `contents` [INFO] [stdout] --> main.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | let contents = db.read(file_to_watch.to_path_buf()); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_contents` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> main.rs:50:9 [INFO] [stdout] | [INFO] [stdout] 50 | let mut watcher = Arc::from(Mutex::new(watcher(tx, Duration::from_secs(1)).unwrap())); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 36.63s [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b81d6f6675c1abbd279d601d1deda82e582ed4e76b1710d22199072bd60799d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b81d6f6675c1abbd279d601d1deda82e582ed4e76b1710d22199072bd60799d7", kill_on_drop: false }` [INFO] [stdout] b81d6f6675c1abbd279d601d1deda82e582ed4e76b1710d22199072bd60799d7