[INFO] updating cached 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" "-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] 12ff182c6baa90371baf565b4980d30c74f7b831 [INFO] checking derezzedex/puzzle_solver against try#5fdfba63a96c5e8ae0ebf6b8b66853110277087d for pr-73166 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fderezzedex%2Fpuzzle_solver" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/derezzedex/puzzle_solver on toolchain 5fdfba63a96c5e8ae0ebf6b8b66853110277087d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "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-1/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" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 231702892d384c2b215633e3adfffd5bce43d176903cdb9923ad3c123e28b40a [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" "231702892d384c2b215633e3adfffd5bce43d176903cdb9923ad3c123e28b40a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "231702892d384c2b215633e3adfffd5bce43d176903cdb9923ad3c123e28b40a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "231702892d384c2b215633e3adfffd5bce43d176903cdb9923ad3c123e28b40a", kill_on_drop: false }` [INFO] [stdout] 231702892d384c2b215633e3adfffd5bce43d176903cdb9923ad3c123e28b40a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] be9e10755742e8fd1142481a88e701c4e30335ca5f2d7d3d1c4865ff75c87968 [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" "be9e10755742e8fd1142481a88e701c4e30335ca5f2d7d3d1c4865ff75c87968", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Checking void v1.0.2 [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 utf8-ranges v1.0.0 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking byteorder v1.2.1 [INFO] [stderr] Checking serde v1.0.24 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Checking base64 v0.6.0 [INFO] [stderr] Compiling syn v0.11.11 [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: 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: 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: 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: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] [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 22.14s [INFO] running `Command { std: "docker" "inspect" "be9e10755742e8fd1142481a88e701c4e30335ca5f2d7d3d1c4865ff75c87968", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be9e10755742e8fd1142481a88e701c4e30335ca5f2d7d3d1c4865ff75c87968", kill_on_drop: false }` [INFO] [stdout] be9e10755742e8fd1142481a88e701c4e30335ca5f2d7d3d1c4865ff75c87968