[INFO] cloning repository https://github.com/yati-sagade/exprolution [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yati-sagade/exprolution" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyati-sagade%2Fexprolution", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyati-sagade%2Fexprolution'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 83ace1a475a124e94f28b55902b171ba92e2851d [INFO] checking yati-sagade/exprolution against master#4fb54ed484e2239a3e9eff3be17df00d2a162be3 for pr-73345 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyati-sagade%2Fexprolution" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/yati-sagade/exprolution on toolchain 4fb54ed484e2239a3e9eff3be17df00d2a162be3 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/yati-sagade/exprolution [INFO] finished tweaking git repo https://github.com/yati-sagade/exprolution [INFO] tweaked toml for git repo https://github.com/yati-sagade/exprolution written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/yati-sagade/exprolution already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] error: the lock file /workspace/builds/worker-3/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d4c9c0d6da6c8c01295b4b413782ac9adb3648f4006fb9a99c5a36c13d6e236a [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" "d4c9c0d6da6c8c01295b4b413782ac9adb3648f4006fb9a99c5a36c13d6e236a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d4c9c0d6da6c8c01295b4b413782ac9adb3648f4006fb9a99c5a36c13d6e236a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d4c9c0d6da6c8c01295b4b413782ac9adb3648f4006fb9a99c5a36c13d6e236a", kill_on_drop: false }` [INFO] [stdout] d4c9c0d6da6c8c01295b4b413782ac9adb3648f4006fb9a99c5a36c13d6e236a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 77360029e24686a47dd5e8283aa1c6ee353e99b401601298caf28e33ef0850c3 [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" "77360029e24686a47dd5e8283aa1c6ee353e99b401601298caf28e33ef0850c3", kill_on_drop: false }` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking ppv-lite86 v0.2.8 [INFO] [stderr] Checking bit-vec v0.6.2 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling num-bigint v0.3.0 [INFO] [stderr] Compiling num-iter v0.1.41 [INFO] [stderr] Compiling num-rational v0.3.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking num-complex v0.3.0 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking num v0.3.0 [INFO] [stderr] Checking exprolution v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/expr.rs:156:28 [INFO] [stdout] | [INFO] [stdout] 156 | let (tok, u) = try!(r); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/expr.rs:181:22 [INFO] [stdout] | [INFO] [stdout] 181 | let mut tokens = try!(tok(e)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/expr.rs:227:16 [INFO] [stdout] | [INFO] [stdout] 227 | let post = try!(postfix(s)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/expr.rs:233:25 [INFO] [stdout] | [INFO] [stdout] 233 | let b = try!(stack.pop().ok_or("Premature stack end".to_string())); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/expr.rs:234:25 [INFO] [stdout] | [INFO] [stdout] 234 | let a = try!(stack.pop().ok_or("Premature stack end".to_string())); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/expr.rs:235:25 [INFO] [stdout] | [INFO] [stdout] 235 | let r = try!(op.apply_binary(a, b)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::mem` [INFO] [stdout] --> src/genetic.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::mem; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `while` condition [INFO] [stdout] --> src/genetic.rs:41:11 [INFO] [stdout] | [INFO] [stdout] 41 | while (n > 0) { [INFO] [stdout] | ^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/genetic.rs:65:11 [INFO] [stdout] | [INFO] [stdout] 65 | 0 ... 9 => n.to_string(), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/expr.rs:156:28 [INFO] [stdout] | [INFO] [stdout] 156 | let (tok, u) = try!(r); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/expr.rs:181:22 [INFO] [stdout] | [INFO] [stdout] 181 | let mut tokens = try!(tok(e)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/expr.rs:227:16 [INFO] [stdout] | [INFO] [stdout] 227 | let post = try!(postfix(s)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/expr.rs:233:25 [INFO] [stdout] | [INFO] [stdout] 233 | let b = try!(stack.pop().ok_or("Premature stack end".to_string())); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/expr.rs:234:25 [INFO] [stdout] | [INFO] [stdout] 234 | let a = try!(stack.pop().ok_or("Premature stack end".to_string())); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/expr.rs:235:25 [INFO] [stdout] | [INFO] [stdout] 235 | let r = try!(op.apply_binary(a, b)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::mem` [INFO] [stdout] --> src/genetic.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::mem; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `while` condition [INFO] [stdout] --> src/genetic.rs:41:11 [INFO] [stdout] | [INFO] [stdout] 41 | while (n > 0) { [INFO] [stdout] | ^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/genetic.rs:65:11 [INFO] [stdout] | [INFO] [stdout] 65 | 0 ... 9 => n.to_string(), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/expr.rs:189:22 [INFO] [stdout] | [INFO] [stdout] 189 | Tok::Num(n) => post.push(token.clone()), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/genetic.rs:207:9 [INFO] [stdout] | [INFO] [stdout] 207 | for i in 0..popsize { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/expr.rs:189:22 [INFO] [stdout] | [INFO] [stdout] 189 | Tok::Num(n) => post.push(token.clone()), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/genetic.rs:207:9 [INFO] [stdout] | [INFO] [stdout] 207 | for i in 0..popsize { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.64s [INFO] running `Command { std: "docker" "inspect" "77360029e24686a47dd5e8283aa1c6ee353e99b401601298caf28e33ef0850c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "77360029e24686a47dd5e8283aa1c6ee353e99b401601298caf28e33ef0850c3", kill_on_drop: false }` [INFO] [stdout] 77360029e24686a47dd5e8283aa1c6ee353e99b401601298caf28e33ef0850c3