[INFO] updating cached repository https://github.com/simonvandel/fcbf [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 08439f0dc2e4d00fb8a3d6391842d47cdfe54178 [INFO] testing simonvandel/fcbf against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonvandel%2Ffcbf" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/simonvandel/fcbf on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/simonvandel/fcbf [INFO] finished tweaking git repo https://github.com/simonvandel/fcbf [INFO] tweaked toml for git repo https://github.com/simonvandel/fcbf written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/simonvandel/fcbf already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d6680bc64aba9884ecb74d2e40e322bfb74b41a663afc6b402e0e1c92dce1fb3 [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" "d6680bc64aba9884ecb74d2e40e322bfb74b41a663afc6b402e0e1c92dce1fb3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d6680bc64aba9884ecb74d2e40e322bfb74b41a663afc6b402e0e1c92dce1fb3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d6680bc64aba9884ecb74d2e40e322bfb74b41a663afc6b402e0e1c92dce1fb3", kill_on_drop: false }` [INFO] [stdout] d6680bc64aba9884ecb74d2e40e322bfb74b41a663afc6b402e0e1c92dce1fb3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 209e7e3bcd2ba472ec8f99e884e3e40693b3faa59c5e627d8497d1cd44dc7fad [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" "209e7e3bcd2ba472ec8f99e884e3e40693b3faa59c5e627d8497d1cd44dc7fad", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.40 [INFO] [stderr] Compiling matrixmultiply v0.1.14 [INFO] [stderr] Compiling ndarray v0.11.2 [INFO] [stderr] Compiling serde v1.0.45 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling num-complex v0.1.43 [INFO] [stderr] Compiling itertools v0.7.8 [INFO] [stderr] Compiling noisy_float v0.1.4 [INFO] [stderr] Compiling ordered-float v0.5.0 [INFO] [stderr] Compiling memchr v2.0.1 [INFO] [stderr] Compiling csv-core v0.1.4 [INFO] [stderr] Compiling csv v1.0.0-beta.5 [INFO] [stderr] Compiling fcbf v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `cacher` [INFO] [stdout] --> src/main.rs:31:37 [INFO] [stdout] | [INFO] [stdout] 31 | fn symmetric_uncertainty_cached<'a>(cacher: &mut MyCacher, x: &'a Col<'a>, y: &'a Col<'a>) -> ValueType { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cacher` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0597]: `x` does not live long enough [INFO] [stdout] --> src/main.rs:106:26 [INFO] [stdout] | [INFO] [stdout] 91 | pub fn fcbf<'x>( [INFO] [stdout] | -- lifetime `'x` defined here [INFO] [stdout] ... [INFO] [stdout] 106 | let cols: Vec = x.gencolumns() [INFO] [stdout] | ^ borrowed value does not live long enough [INFO] [stdout] ... [INFO] [stdout] 110 | / Col { [INFO] [stdout] 111 | | idx, [INFO] [stdout] 112 | | values: f_i, [INFO] [stdout] 113 | | }}).collect(); [INFO] [stdout] | |_________- returning this value requires that `x` is borrowed for `'x` [INFO] [stdout] ... [INFO] [stdout] 172 | } [INFO] [stdout] | - `x` dropped here while still borrowed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0597]: `c` does not live long enough [INFO] [stdout] --> src/main.rs:118:64 [INFO] [stdout] | [INFO] [stdout] 91 | pub fn fcbf<'x>( [INFO] [stdout] | -- lifetime `'x` defined here [INFO] [stdout] ... [INFO] [stdout] 118 | let su_i_c = symmetric_uncertainty_cached(&mut cacher, &c, &f_y); [INFO] [stdout] | ------------------------------------------^^------- [INFO] [stdout] | | | [INFO] [stdout] | | borrowed value does not live long enough [INFO] [stdout] | argument requires that `c` is borrowed for `'x` [INFO] [stdout] ... [INFO] [stdout] 122 | } [INFO] [stdout] | - `c` dropped here while still borrowed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0597]: `f_y` does not live long enough [INFO] [stdout] --> src/main.rs:118:68 [INFO] [stdout] | [INFO] [stdout] 91 | pub fn fcbf<'x>( [INFO] [stdout] | -- lifetime `'x` defined here [INFO] [stdout] ... [INFO] [stdout] 118 | let su_i_c = symmetric_uncertainty_cached(&mut cacher, &c, &f_y); [INFO] [stdout] | ----------------------------------------------^^^^- [INFO] [stdout] | | | [INFO] [stdout] | | borrowed value does not live long enough [INFO] [stdout] | argument requires that `f_y` is borrowed for `'x` [INFO] [stdout] ... [INFO] [stdout] 172 | } [INFO] [stdout] | - `f_y` dropped here while still borrowed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0505]: cannot move out of `c` because it is borrowed [INFO] [stdout] --> src/main.rs:120:38 [INFO] [stdout] | [INFO] [stdout] 91 | pub fn fcbf<'x>( [INFO] [stdout] | -- lifetime `'x` defined here [INFO] [stdout] ... [INFO] [stdout] 118 | let su_i_c = symmetric_uncertainty_cached(&mut cacher, &c, &f_y); [INFO] [stdout] | --------------------------------------------------- [INFO] [stdout] | | | [INFO] [stdout] | | borrow of `c` occurs here [INFO] [stdout] | argument requires that `c` is borrowed for `'x` [INFO] [stdout] 119 | if su_i_c >= threshold { [INFO] [stdout] 120 | s_list.push(Feature{col: c, su_target: su_i_c}); [INFO] [stdout] | ^ move out of `c` occurs here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0597]: `s_list` does not live long enough [INFO] [stdout] --> src/main.rs:130:27 [INFO] [stdout] | [INFO] [stdout] 91 | pub fn fcbf<'x>( [INFO] [stdout] | -- lifetime `'x` defined here [INFO] [stdout] ... [INFO] [stdout] 130 | while let Some(f_p) = s_list.get(cur_feature_idx) { [INFO] [stdout] | ^^^^^^--------------------- [INFO] [stdout] | | [INFO] [stdout] | borrowed value does not live long enough [INFO] [stdout] | argument requires that `s_list` is borrowed for `'x` [INFO] [stdout] ... [INFO] [stdout] 172 | } [INFO] [stdout] | - `s_list` dropped here while still borrowed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0597]: `s_list` does not live long enough [INFO] [stdout] --> src/main.rs:132:26 [INFO] [stdout] | [INFO] [stdout] 91 | pub fn fcbf<'x>( [INFO] [stdout] | -- lifetime `'x` defined here [INFO] [stdout] ... [INFO] [stdout] 132 | let unexplored = s_list.iter().skip(cur_feature_idx + 1).filter(|f_q| { [INFO] [stdout] | ^^^^^^------- [INFO] [stdout] | | [INFO] [stdout] | borrowed value does not live long enough [INFO] [stdout] | argument requires that `s_list` is borrowed for `'x` [INFO] [stdout] ... [INFO] [stdout] 172 | } [INFO] [stdout] | - `s_list` dropped here while still borrowed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0597]: `f_y` does not live long enough [INFO] [stdout] --> src/main.rs:138:86 [INFO] [stdout] | [INFO] [stdout] 91 | pub fn fcbf<'x>( [INFO] [stdout] | -- lifetime `'x` defined here [INFO] [stdout] ... [INFO] [stdout] 132 | let unexplored = s_list.iter().skip(cur_feature_idx + 1).filter(|f_q| { [INFO] [stdout] | ----- value captured here [INFO] [stdout] ... [INFO] [stdout] 138 | let f_q_su_target = symmetric_uncertainty_cached(&mut cacher, &f_q.col, &f_y); [INFO] [stdout] | -----------------------------------------------------^^^- [INFO] [stdout] | | | [INFO] [stdout] | | borrowed value does not live long enough [INFO] [stdout] | argument requires that `f_y` is borrowed for `'x` [INFO] [stdout] ... [INFO] [stdout] 172 | } [INFO] [stdout] | - `f_y` dropped here while still borrowed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0506]: cannot assign to `s_list` because it is borrowed [INFO] [stdout] --> src/main.rs:153:9 [INFO] [stdout] | [INFO] [stdout] 91 | pub fn fcbf<'x>( [INFO] [stdout] | -- lifetime `'x` defined here [INFO] [stdout] ... [INFO] [stdout] 130 | while let Some(f_p) = s_list.get(cur_feature_idx) { [INFO] [stdout] | --------------------------- [INFO] [stdout] | | [INFO] [stdout] | borrow of `s_list` occurs here [INFO] [stdout] | argument requires that `s_list` is borrowed for `'x` [INFO] [stdout] ... [INFO] [stdout] 153 | s_list = new_s_list.clone(); [INFO] [stdout] | ^^^^^^ assignment to borrowed `s_list` occurs here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0502]: cannot borrow `s_list` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/main.rs:159:5 [INFO] [stdout] | [INFO] [stdout] 91 | pub fn fcbf<'x>( [INFO] [stdout] | -- lifetime `'x` defined here [INFO] [stdout] ... [INFO] [stdout] 130 | while let Some(f_p) = s_list.get(cur_feature_idx) { [INFO] [stdout] | --------------------------- [INFO] [stdout] | | [INFO] [stdout] | immutable borrow occurs here [INFO] [stdout] | argument requires that `s_list` is borrowed for `'x` [INFO] [stdout] ... [INFO] [stdout] 159 | s_list.sort_by(|a, b| { [INFO] [stdout] | ^^^^^^ mutable borrow occurs here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 9 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0502, E0505, E0506, E0597. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0502`. [INFO] [stdout] [INFO] [stderr] error: could not compile `fcbf`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "209e7e3bcd2ba472ec8f99e884e3e40693b3faa59c5e627d8497d1cd44dc7fad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "209e7e3bcd2ba472ec8f99e884e3e40693b3faa59c5e627d8497d1cd44dc7fad", kill_on_drop: false }` [INFO] [stdout] 209e7e3bcd2ba472ec8f99e884e3e40693b3faa59c5e627d8497d1cd44dc7fad