[INFO] cloning repository https://github.com/Mortano/bool_solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mortano/bool_solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMortano%2Fbool_solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMortano%2Fbool_solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95c0c92debb86ed9abf144430a933716f79be6d8
[INFO] checking Mortano/bool_solver against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMortano%2Fbool_solver" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Mortano/bool_solver on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Mortano/bool_solver
[INFO] finished tweaking git repo https://github.com/Mortano/bool_solver
[INFO] tweaked toml for git repo https://github.com/Mortano/bool_solver written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Mortano/bool_solver 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 168082d983c5936f0fadc1584c9732827d06a915c6b921e398ad982523d3e089
[INFO] running `Command { std: "docker" "start" "-a" "168082d983c5936f0fadc1584c9732827d06a915c6b921e398ad982523d3e089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "168082d983c5936f0fadc1584c9732827d06a915c6b921e398ad982523d3e089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "168082d983c5936f0fadc1584c9732827d06a915c6b921e398ad982523d3e089", kill_on_drop: false }`
[INFO] [stdout] 168082d983c5936f0fadc1584c9732827d06a915c6b921e398ad982523d3e089
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67a00ec66557dd1a54c6fc8dc64913e127a19dae6ec8749af6a4d5d30748ded6
[INFO] running `Command { std: "docker" "start" "-a" "67a00ec66557dd1a54c6fc8dc64913e127a19dae6ec8749af6a4d5d30748ded6", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking bool_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `unique_variables` is never used
[INFO] [stdout]   --> src/main.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Expr {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn unique_variables(&self) -> HashSet<usize> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `unique_variables` is never used
[INFO] [stdout]   --> src/main.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Expr {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn unique_variables(&self) -> HashSet<usize> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "67a00ec66557dd1a54c6fc8dc64913e127a19dae6ec8749af6a4d5d30748ded6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67a00ec66557dd1a54c6fc8dc64913e127a19dae6ec8749af6a4d5d30748ded6", kill_on_drop: false }`
[INFO] [stdout] 67a00ec66557dd1a54c6fc8dc64913e127a19dae6ec8749af6a4d5d30748ded6
[INFO] checking Mortano/bool_solver against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMortano%2Fbool_solver" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Mortano/bool_solver on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Mortano/bool_solver
[INFO] finished tweaking git repo https://github.com/Mortano/bool_solver
[INFO] tweaked toml for git repo https://github.com/Mortano/bool_solver written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Mortano/bool_solver 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1ba4081a0640f8859030855af0ef3e2c7e82b44bb76523dac5b8b8888a5cc8b
[INFO] running `Command { std: "docker" "start" "-a" "e1ba4081a0640f8859030855af0ef3e2c7e82b44bb76523dac5b8b8888a5cc8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1ba4081a0640f8859030855af0ef3e2c7e82b44bb76523dac5b8b8888a5cc8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1ba4081a0640f8859030855af0ef3e2c7e82b44bb76523dac5b8b8888a5cc8b", kill_on_drop: false }`
[INFO] [stdout] e1ba4081a0640f8859030855af0ef3e2c7e82b44bb76523dac5b8b8888a5cc8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fc49af6fc8b0adc65c459c2017cc8c412e924d92844e668e49a4a848d87b527
[INFO] running `Command { std: "docker" "start" "-a" "8fc49af6fc8b0adc65c459c2017cc8c412e924d92844e668e49a4a848d87b527", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking bool_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `unique_variables` is never used
[INFO] [stdout]   --> src/main.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Expr {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn unique_variables(&self) -> HashSet<usize> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `unique_variables` is never used
[INFO] [stdout]   --> src/main.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Expr {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn unique_variables(&self) -> HashSet<usize> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "8fc49af6fc8b0adc65c459c2017cc8c412e924d92844e668e49a4a848d87b527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fc49af6fc8b0adc65c459c2017cc8c412e924d92844e668e49a4a848d87b527", kill_on_drop: false }`
[INFO] [stdout] 8fc49af6fc8b0adc65c459c2017cc8c412e924d92844e668e49a4a848d87b527