[INFO] cloning repository https://github.com/simonvandel/fcbf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/simonvandel/fcbf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonvandel%2Ffcbf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonvandel%2Ffcbf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 08439f0dc2e4d00fb8a3d6391842d47cdfe54178
[INFO] checking simonvandel/fcbf against try#987a165cfab916796a8315782b83ac460a651ce2 for pr-145262
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonvandel%2Ffcbf" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[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-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/simonvandel/fcbf on toolchain 987a165cfab916796a8315782b83ac460a651ce2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/simonvandel/fcbf already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded log v0.4.1
[INFO] [stderr]   Downloaded cfg-if v0.1.3
[INFO] [stderr]   Downloaded float-cmp v0.4.0
[INFO] [stderr]   Downloaded matrixmultiply v0.1.14
[INFO] [stderr]   Downloaded env_logger v0.5.9
[INFO] [stderr]   Downloaded quick-error v1.2.1
[INFO] [stderr]   Downloaded quickcheck v0.6.2
[INFO] [stderr]   Downloaded serde v1.0.45
[INFO] [stderr]   Downloaded ndarray v0.11.2
[INFO] [stderr]   Downloaded csv v1.0.0-beta.5
[INFO] [stderr]   Downloaded noisy_float v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b2fafa19674afae296858dc311d4b0e89e37771bab502f7f3d134ac29d61ed9
[INFO] running `Command { std: "docker" "start" "-a" "3b2fafa19674afae296858dc311d4b0e89e37771bab502f7f3d134ac29d61ed9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b2fafa19674afae296858dc311d4b0e89e37771bab502f7f3d134ac29d61ed9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b2fafa19674afae296858dc311d4b0e89e37771bab502f7f3d134ac29d61ed9", kill_on_drop: false }`
[INFO] [stdout] 3b2fafa19674afae296858dc311d4b0e89e37771bab502f7f3d134ac29d61ed9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08a748c5a59eb69ed7b8a2060e25aee326c147c7b1a16b34441d3c8bc2d20058
[INFO] running `Command { std: "docker" "start" "-a" "08a748c5a59eb69ed7b8a2060e25aee326c147c7b1a16b34441d3c8bc2d20058", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking num-traits v0.2.2
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling matrixmultiply v0.1.14
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]    Compiling ndarray v0.11.2
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking itertools v0.7.8
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking termcolor v0.3.6
[INFO] [stderr]     Checking serde v1.0.45
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking indexmap v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking noisy_float v0.1.4
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]     Checking float-cmp v0.4.0
[INFO] [stderr]     Checking env_logger v0.5.9
[INFO] [stderr]     Checking quickcheck v0.6.2
[INFO] [stderr]     Checking csv v1.0.0-beta.5
[INFO] [stderr]     Checking fcbf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `nll` has been stable since 1.63.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(nll)]
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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]  92 |       x: ArrayView<'x, ValueType, Ix2>,
[INFO] [stdout]     |       - binding `x` declared here
[INFO] [stdout] ...
[INFO] [stdout] 106 |       let cols: Vec<Col> = 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] 103 |     let f_y = Col{idx: x.cols(), values: y};
[INFO] [stdout]     |                                          - this usage requires that `c` is borrowed for `'x`
[INFO] [stdout] ...
[INFO] [stdout] 117 |     for c in cols {
[INFO] [stdout]     |         - binding `c` declared here
[INFO] [stdout] 118 |         let su_i_c = symmetric_uncertainty_cached(&mut cacher, &c, &f_y);
[INFO] [stdout]     |                                                                ^^ borrowed value does not live long enough
[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] 103 |     let f_y = Col{idx: x.cols(), values: y};
[INFO] [stdout]     |         --- binding `f_y` declared here  - this usage requires that `f_y` is borrowed for `'x`
[INFO] [stdout] ...
[INFO] [stdout] 118 |         let su_i_c = symmetric_uncertainty_cached(&mut cacher, &c, &f_y);
[INFO] [stdout]     |                                                                    ^^^^ borrowed value does not live long enough
[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] 103 |     let f_y = Col{idx: x.cols(), values: y};
[INFO] [stdout]     |                                          - this usage requires that `c` is borrowed for `'x`
[INFO] [stdout] ...
[INFO] [stdout] 117 |     for c in cols {
[INFO] [stdout]     |         - binding `c` declared here
[INFO] [stdout] 118 |         let su_i_c = symmetric_uncertainty_cached(&mut cacher, &c, &f_y);
[INFO] [stdout]     |                                                                -- borrow of `c` occurs here
[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] help: consider cloning the value if the performance cost is acceptable
[INFO] [stdout]     |
[INFO] [stdout] 118 |         let su_i_c = symmetric_uncertainty_cached(&mut cacher, &c.clone(), &f_y);
[INFO] [stdout]     |                                                                  ++++++++
[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] 100 |     let mut s_list: Vec<Feature> = Vec::new();
[INFO] [stdout]     |         ---------- binding `s_list` declared here
[INFO] [stdout] ...
[INFO] [stdout] 103 |     let f_y = Col{idx: x.cols(), values: y};
[INFO] [stdout]     |                                          - this usage requires that `s_list` is borrowed for `'x`
[INFO] [stdout] ...
[INFO] [stdout] 130 |     while let Some(f_p) = s_list.get(cur_feature_idx) {
[INFO] [stdout]     |                           ^^^^^^ borrowed value does not live long enough
[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] 100 |     let mut s_list: Vec<Feature> = Vec::new();
[INFO] [stdout]     |         ---------- binding `s_list` declared here
[INFO] [stdout] ...
[INFO] [stdout] 103 |     let f_y = Col{idx: x.cols(), values: y};
[INFO] [stdout]     |                                          - this usage requires that `s_list` is borrowed for `'x`
[INFO] [stdout] ...
[INFO] [stdout] 132 |         let unexplored = s_list.iter().skip(cur_feature_idx + 1).filter(|f_q| {
[INFO] [stdout]     |                          ^^^^^^ borrowed value does not live long enough
[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] 103 |     let f_y = Col{idx: x.cols(), values: y};
[INFO] [stdout]     |         --- binding `f_y` declared here  - this usage requires that `f_y` is borrowed for `'x`
[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]     |                                                                                      ^^^ borrowed value does not live long enough
[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] 103 |     let f_y = Col{idx: x.cols(), values: y};
[INFO] [stdout]     |                                          - this usage requires that `s_list` is borrowed for `'x`
[INFO] [stdout] ...
[INFO] [stdout] 130 |     while let Some(f_p) = s_list.get(cur_feature_idx) {
[INFO] [stdout]     |                           ------ `s_list` is borrowed here
[INFO] [stdout] ...
[INFO] [stdout] 153 |         s_list = new_s_list.clone();
[INFO] [stdout]     |         ^^^^^^ `s_list` is assigned to here but it was already borrowed
[INFO] [stdout]     |
[INFO] [stdout]     = note: borrow occurs due to deref coercion to `[Feature<'_>]`
[INFO] [stdout] note: deref defined here
[INFO] [stdout]    --> /rustc/987a165cfab916796a8315782b83ac460a651ce2/library/alloc/src/vec/mod.rs:3490:5
[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] 103 |     let f_y = Col{idx: x.cols(), values: y};
[INFO] [stdout]     |                                          - this usage requires that `s_list` is borrowed for `'x`
[INFO] [stdout] ...
[INFO] [stdout] 130 |     while let Some(f_p) = s_list.get(cur_feature_idx) {
[INFO] [stdout]     |                           ------ immutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 159 |     s_list.sort_by(|a, b| {
[INFO] [stdout]     |     ^^^^^^ mutable borrow occurs here
[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` (bin "fcbf") due to 9 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "08a748c5a59eb69ed7b8a2060e25aee326c147c7b1a16b34441d3c8bc2d20058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08a748c5a59eb69ed7b8a2060e25aee326c147c7b1a16b34441d3c8bc2d20058", kill_on_drop: false }`
[INFO] [stdout] 08a748c5a59eb69ed7b8a2060e25aee326c147c7b1a16b34441d3c8bc2d20058