[INFO] cloning repository https://github.com/derezzedex/puzzle_solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/derezzedex/puzzle_solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fderezzedex%2Fpuzzle_solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fderezzedex%2Fpuzzle_solver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 12ff182c6baa90371baf565b4980d30c74f7b831 [INFO] checking derezzedex/puzzle_solver against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fderezzedex%2Fpuzzle_solver" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/derezzedex/puzzle_solver on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/derezzedex/puzzle_solver [INFO] finished tweaking git repo https://github.com/derezzedex/puzzle_solver [INFO] tweaked toml for git repo https://github.com/derezzedex/puzzle_solver written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/derezzedex/puzzle_solver already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_derive_internals v0.18.0 [INFO] [stderr] Downloaded serde v1.0.24 [INFO] [stderr] Downloaded docopt v0.8.1 [INFO] [stderr] Downloaded serde_derive v1.0.24 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 11280090d50cf68a2d2ba9f1ea26d45f9c6a544b10a67bab84970e9eb4ece756 [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" "11280090d50cf68a2d2ba9f1ea26d45f9c6a544b10a67bab84970e9eb4ece756", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "11280090d50cf68a2d2ba9f1ea26d45f9c6a544b10a67bab84970e9eb4ece756", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "11280090d50cf68a2d2ba9f1ea26d45f9c6a544b10a67bab84970e9eb4ece756", kill_on_drop: false }` [INFO] [stdout] 11280090d50cf68a2d2ba9f1ea26d45f9c6a544b10a67bab84970e9eb4ece756 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 65ae70f0870cc21356ea586c49051b2d78f99032d0bae8bf7022cc81a2a38843 [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" "65ae70f0870cc21356ea586c49051b2d78f99032d0bae8bf7022cc81a2a38843", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking libc v0.2.34 [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Checking serde v1.0.24 [INFO] [stderr] Checking safemem v0.2.0 [INFO] [stderr] Checking byteorder v1.2.1 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Checking base64 v0.6.0 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking aho-corasick v0.6.4 [INFO] [stderr] Checking regex v0.2.3 [INFO] [stderr] Compiling serde_derive_internals v0.18.0 [INFO] [stderr] Compiling serde_derive v1.0.24 [INFO] [stderr] Checking docopt v0.8.1 [INFO] [stderr] Checking puzzle_solver v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/main.rs:308:13 [INFO] [stdout] | [INFO] [stdout] 308 | let r = (33 + ((i+14)%94)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/main.rs:308:13 [INFO] [stdout] | [INFO] [stdout] 308 | let r = (33 + ((i+14)%94)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `result` is never read [INFO] [stdout] --> src/main.rs:415:6 [INFO] [stdout] | [INFO] [stdout] 415 | let mut result = String::new(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/main.rs:414:9 [INFO] [stdout] | [INFO] [stdout] 414 | #[warn(unused_assignments)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `j` [INFO] [stdout] --> src/main.rs:228:8 [INFO] [stdout] | [INFO] [stdout] 228 | let j = string.find(i).unwrap(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_j` [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] --> src/main.rs:198:10 [INFO] [stdout] | [INFO] [stdout] 198 | let mut separator: usize = 4; [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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:254:7 [INFO] [stdout] | [INFO] [stdout] 254 | let mut result = self.to_str(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `rot_self` [INFO] [stdout] --> src/main.rs:253:5 [INFO] [stdout] | [INFO] [stdout] 253 | fn rot_self(&self, rot: usize) -> Self{ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `result` is never read [INFO] [stdout] --> src/main.rs:415:6 [INFO] [stdout] | [INFO] [stdout] 415 | let mut result = String::new(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/main.rs:414:9 [INFO] [stdout] | [INFO] [stdout] 414 | #[warn(unused_assignments)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `j` [INFO] [stdout] --> src/main.rs:228:8 [INFO] [stdout] | [INFO] [stdout] 228 | let j = string.find(i).unwrap(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_j` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: comparison is useless due to type limits [INFO] [stdout] --> src/main.rs:271:21 [INFO] [stdout] | [INFO] [stdout] 271 | if index > 26 || index < 0{ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_comparisons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:198:10 [INFO] [stdout] | [INFO] [stdout] 198 | let mut separator: usize = 4; [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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:254:7 [INFO] [stdout] | [INFO] [stdout] 254 | let mut result = self.to_str(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `rot_self` [INFO] [stdout] --> src/main.rs:253:5 [INFO] [stdout] | [INFO] [stdout] 253 | fn rot_self(&self, rot: usize) -> Self{ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: comparison is useless due to type limits [INFO] [stdout] --> src/main.rs:271:21 [INFO] [stdout] | [INFO] [stdout] 271 | if index > 26 || index < 0{ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_comparisons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 26.69s [INFO] running `Command { std: "docker" "inspect" "65ae70f0870cc21356ea586c49051b2d78f99032d0bae8bf7022cc81a2a38843", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65ae70f0870cc21356ea586c49051b2d78f99032d0bae8bf7022cc81a2a38843", kill_on_drop: false }` [INFO] [stdout] 65ae70f0870cc21356ea586c49051b2d78f99032d0bae8bf7022cc81a2a38843