[INFO] cloning repository https://github.com/kshitijl/cyclefinding-sandbox [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kshitijl/cyclefinding-sandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkshitijl%2Fcyclefinding-sandbox", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkshitijl%2Fcyclefinding-sandbox'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 53df93b99993097c041da1e45fbb4a0657352020 [INFO] testing kshitijl/cyclefinding-sandbox against 1.90.0 for beta-1.91-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkshitijl%2Fcyclefinding-sandbox" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/kshitijl/cyclefinding-sandbox [INFO] finished tweaking git repo https://github.com/kshitijl/cyclefinding-sandbox [INFO] tweaked toml for git repo https://github.com/kshitijl/cyclefinding-sandbox written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/kshitijl/cyclefinding-sandbox on toolchain 1.90.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/kshitijl/cyclefinding-sandbox 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5726d121ec8a0a407b6e4ae1ec6639d775b85f28dad3965e7a0e8de288ef80e1 [INFO] running `Command { std: "docker" "start" "-a" "5726d121ec8a0a407b6e4ae1ec6639d775b85f28dad3965e7a0e8de288ef80e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5726d121ec8a0a407b6e4ae1ec6639d775b85f28dad3965e7a0e8de288ef80e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5726d121ec8a0a407b6e4ae1ec6639d775b85f28dad3965e7a0e8de288ef80e1", kill_on_drop: false }` [INFO] [stdout] 5726d121ec8a0a407b6e4ae1ec6639d775b85f28dad3965e7a0e8de288ef80e1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5b6d876c5cd18c2cf1e0cc92aeeb16b1afde52c456305d7b08384d5021f6cc7b [INFO] running `Command { std: "docker" "start" "-a" "5b6d876c5cd18c2cf1e0cc92aeeb16b1afde52c456305d7b08384d5021f6cc7b", kill_on_drop: false }` [INFO] [stderr] Compiling cyclefinding v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `tortoise` [INFO] [stdout] --> src/main.rs:16:13 [INFO] [stdout] | [INFO] [stdout] 16 | let mut tortoise = successor(start.clone()); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tortoise` [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:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let mut tortoise = successor(start.clone()); [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: `tortoise` [INFO] [stdout] --> src/main.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | let mut tortoise = successor(start.clone()); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tortoise` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let mut tortoise = successor(start.clone()); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `turlte` [INFO] [stdout] --> src/main.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | let turlte = successor(hare); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_turlte` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s [INFO] running `Command { std: "docker" "inspect" "5b6d876c5cd18c2cf1e0cc92aeeb16b1afde52c456305d7b08384d5021f6cc7b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b6d876c5cd18c2cf1e0cc92aeeb16b1afde52c456305d7b08384d5021f6cc7b", kill_on_drop: false }` [INFO] [stdout] 5b6d876c5cd18c2cf1e0cc92aeeb16b1afde52c456305d7b08384d5021f6cc7b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4cc5ca8a20a1309079c12dd22cc273f03713c7edf830c12f747d08e658f50f05 [INFO] running `Command { std: "docker" "start" "-a" "4cc5ca8a20a1309079c12dd22cc273f03713c7edf830c12f747d08e658f50f05", kill_on_drop: false }` [INFO] [stderr] Compiling cyclefinding v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `tortoise` [INFO] [stdout] --> src/main.rs:16:13 [INFO] [stdout] | [INFO] [stdout] 16 | let mut tortoise = successor(start.clone()); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tortoise` [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:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let mut tortoise = successor(start.clone()); [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: `tortoise` [INFO] [stdout] --> src/main.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | let mut tortoise = successor(start.clone()); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tortoise` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let mut tortoise = successor(start.clone()); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `turlte` [INFO] [stdout] --> src/main.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | let turlte = successor(hare); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_turlte` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s [INFO] running `Command { std: "docker" "inspect" "4cc5ca8a20a1309079c12dd22cc273f03713c7edf830c12f747d08e658f50f05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4cc5ca8a20a1309079c12dd22cc273f03713c7edf830c12f747d08e658f50f05", kill_on_drop: false }` [INFO] [stdout] 4cc5ca8a20a1309079c12dd22cc273f03713c7edf830c12f747d08e658f50f05 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6fbb5a1958f02419c41935f6dbac2bef74d949192e2ef7b53fbd24731a21ff16 [INFO] running `Command { std: "docker" "start" "-a" "6fbb5a1958f02419c41935f6dbac2bef74d949192e2ef7b53fbd24731a21ff16", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `tortoise` [INFO] [stderr] --> src/main.rs:16:13 [INFO] [stderr] | [INFO] [stderr] 16 | let mut tortoise = successor(start.clone()); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tortoise` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:16:9 [INFO] [stderr] | [INFO] [stderr] 16 | let mut tortoise = successor(start.clone()); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `tortoise` [INFO] [stderr] --> src/main.rs:27:13 [INFO] [stderr] | [INFO] [stderr] 27 | let mut tortoise = successor(start.clone()); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tortoise` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:27:9 [INFO] [stderr] | [INFO] [stderr] 27 | let mut tortoise = successor(start.clone()); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `turlte` [INFO] [stderr] --> src/main.rs:43:9 [INFO] [stderr] | [INFO] [stderr] 43 | let turlte = successor(hare); [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_turlte` [INFO] [stderr] [INFO] [stderr] warning: `cyclefinding` (bin "cyclefinding" test) generated 5 warnings (run `cargo fix --bin "cyclefinding" --tests` to apply 2 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/cyclefinding-7623ac31a448f9b7) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "6fbb5a1958f02419c41935f6dbac2bef74d949192e2ef7b53fbd24731a21ff16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6fbb5a1958f02419c41935f6dbac2bef74d949192e2ef7b53fbd24731a21ff16", kill_on_drop: false }` [INFO] [stdout] 6fbb5a1958f02419c41935f6dbac2bef74d949192e2ef7b53fbd24731a21ff16