[INFO] cloning repository https://github.com/mayant15/potential-fishstick
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mayant15/potential-fishstick" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmayant15%2Fpotential-fishstick", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmayant15%2Fpotential-fishstick'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cbb2a983b1d56e55048af64ad4311065545435e3
[INFO] testing mayant15/potential-fishstick against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmayant15%2Fpotential-fishstick" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mayant15/potential-fishstick
[INFO] finished tweaking git repo https://github.com/mayant15/potential-fishstick
[INFO] tweaked toml for git repo https://github.com/mayant15/potential-fishstick written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mayant15/potential-fishstick on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mayant15/potential-fishstick 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" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing mayant15/potential-fishstick against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmayant15%2Fpotential-fishstick" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mayant15/potential-fishstick
[INFO] finished tweaking git repo https://github.com/mayant15/potential-fishstick
[INFO] tweaked toml for git repo https://github.com/mayant15/potential-fishstick written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mayant15/potential-fishstick on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mayant15/potential-fishstick 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" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28afefc00d766d11fa0ae9a6dd1761bb1bf954a175e5483352a3d1a04b538b02
[INFO] running `Command { std: "docker" "start" "-a" "28afefc00d766d11fa0ae9a6dd1761bb1bf954a175e5483352a3d1a04b538b02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28afefc00d766d11fa0ae9a6dd1761bb1bf954a175e5483352a3d1a04b538b02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28afefc00d766d11fa0ae9a6dd1761bb1bf954a175e5483352a3d1a04b538b02", kill_on_drop: false }`
[INFO] [stdout] 28afefc00d766d11fa0ae9a6dd1761bb1bf954a175e5483352a3d1a04b538b02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b567cab25fc4d8668e566f86a43d70699d57841c77590883a1ee6f904c3b3da
[INFO] running `Command { std: "docker" "start" "-a" "9b567cab25fc4d8668e566f86a43d70699d57841c77590883a1ee6f904c3b3da", kill_on_drop: false }`
[INFO] [stderr]    Compiling concolic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> src/main.rs:188:21
[INFO] [stdout]     |
[INFO] [stdout] 188 | fn solve_for_inputs(path: &Vec<Constraint>) -> Vec<(Symbol, usize)> {
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `LessThan`, `Equal`, and `GreaterThanOrEqual` are never constructed
[INFO] [stdout]    --> src/main.rs:244:5
[INFO] [stdout]     |
[INFO] [stdout] 243 | enum ConstraintOperator {
[INFO] [stdout]     |      ------------------ variants in this enum
[INFO] [stdout] 244 |     LessThan,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 245 |     LessThanOrEqual,
[INFO] [stdout] 246 |     Equal,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 247 |     GreaterThan,
[INFO] [stdout] 248 |     GreaterThanOrEqual,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ConstraintOperator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "9b567cab25fc4d8668e566f86a43d70699d57841c77590883a1ee6f904c3b3da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b567cab25fc4d8668e566f86a43d70699d57841c77590883a1ee6f904c3b3da", kill_on_drop: false }`
[INFO] [stdout] 9b567cab25fc4d8668e566f86a43d70699d57841c77590883a1ee6f904c3b3da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f26dfb9b972bc1fdcd0f9efcafa5f650befd785c06631d8f897fb80d3b81930
[INFO] running `Command { std: "docker" "start" "-a" "7f26dfb9b972bc1fdcd0f9efcafa5f650befd785c06631d8f897fb80d3b81930", kill_on_drop: false }`
[INFO] [stderr]    Compiling concolic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> src/main.rs:188:21
[INFO] [stdout]     |
[INFO] [stdout] 188 | fn solve_for_inputs(path: &Vec<Constraint>) -> Vec<(Symbol, usize)> {
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `LessThan`, `Equal`, and `GreaterThanOrEqual` are never constructed
[INFO] [stdout]    --> src/main.rs:244:5
[INFO] [stdout]     |
[INFO] [stdout] 243 | enum ConstraintOperator {
[INFO] [stdout]     |      ------------------ variants in this enum
[INFO] [stdout] 244 |     LessThan,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 245 |     LessThanOrEqual,
[INFO] [stdout] 246 |     Equal,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 247 |     GreaterThan,
[INFO] [stdout] 248 |     GreaterThanOrEqual,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ConstraintOperator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "7f26dfb9b972bc1fdcd0f9efcafa5f650befd785c06631d8f897fb80d3b81930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f26dfb9b972bc1fdcd0f9efcafa5f650befd785c06631d8f897fb80d3b81930", kill_on_drop: false }`
[INFO] [stdout] 7f26dfb9b972bc1fdcd0f9efcafa5f650befd785c06631d8f897fb80d3b81930
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cae0e67dc03d4fef2700bc5aa667c99dfae10fa0cd847a842e9ed5c2f2e9f64c
[INFO] running `Command { std: "docker" "start" "-a" "cae0e67dc03d4fef2700bc5aa667c99dfae10fa0cd847a842e9ed5c2f2e9f64c", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]    --> src/main.rs:188:21
[INFO] [stderr]     |
[INFO] [stderr] 188 | fn solve_for_inputs(path: &Vec<Constraint>) -> Vec<(Symbol, usize)> {
[INFO] [stderr]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variants `LessThan`, `Equal`, and `GreaterThanOrEqual` are never constructed
[INFO] [stderr]    --> src/main.rs:244:5
[INFO] [stderr]     |
[INFO] [stderr] 243 | enum ConstraintOperator {
[INFO] [stderr]     |      ------------------ variants in this enum
[INFO] [stderr] 244 |     LessThan,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 245 |     LessThanOrEqual,
[INFO] [stderr] 246 |     Equal,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr] 247 |     GreaterThan,
[INFO] [stderr] 248 |     GreaterThanOrEqual,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `ConstraintOperator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `concolic` (bin "concolic" test) generated 2 warnings (run `cargo fix --bin "concolic" -p concolic --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/concolic-c24fdaee54dd5e96)
[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" "cae0e67dc03d4fef2700bc5aa667c99dfae10fa0cd847a842e9ed5c2f2e9f64c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cae0e67dc03d4fef2700bc5aa667c99dfae10fa0cd847a842e9ed5c2f2e9f64c", kill_on_drop: false }`
[INFO] [stdout] cae0e67dc03d4fef2700bc5aa667c99dfae10fa0cd847a842e9ed5c2f2e9f64c