[INFO] cloning repository https://github.com/hayesgm/pudding
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hayesgm/pudding" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhayesgm%2Fpudding", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhayesgm%2Fpudding'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1d435901e833fd2a4001efdb3699afea982c1b30
[INFO] checking hayesgm/pudding against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhayesgm%2Fpudding" "/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/hayesgm/pudding on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hayesgm/pudding
[INFO] finished tweaking git repo https://github.com/hayesgm/pudding
[INFO] tweaked toml for git repo https://github.com/hayesgm/pudding written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/hayesgm/pudding already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e65a8baae0c289f254d07097b1bd57efbbe601d656ca2e2ed2a09d98d85f7dea
[INFO] running `Command { std: "docker" "start" "-a" "e65a8baae0c289f254d07097b1bd57efbbe601d656ca2e2ed2a09d98d85f7dea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e65a8baae0c289f254d07097b1bd57efbbe601d656ca2e2ed2a09d98d85f7dea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e65a8baae0c289f254d07097b1bd57efbbe601d656ca2e2ed2a09d98d85f7dea", kill_on_drop: false }`
[INFO] [stdout] e65a8baae0c289f254d07097b1bd57efbbe601d656ca2e2ed2a09d98d85f7dea
[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" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef20d093814551f5baa9b0eab6b6b2b14bc6ba33935c72f0f03a411212aa7f1c
[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" "ef20d093814551f5baa9b0eab6b6b2b14bc6ba33935c72f0f03a411212aa7f1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]     Checking regex-syntax v0.6.16
[INFO] [stderr]     Checking z3-sys v0.5.0
[INFO] [stderr]     Checking aho-corasick v0.7.9
[INFO] [stderr]     Checking z3 v0.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pudding v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected expression, found `;`
[INFO] [stdout]   --> src/solver/mod.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let mem: BV = ;
[INFO] [stdout]    |                   ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found `;`
[INFO] [stdout]   --> src/solver/mod.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let mem: BV = ;
[INFO] [stdout]    |                   ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/solver/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BV`, `SatResult`
[INFO] [stdout]  --> src/solver/mod.rs:5:35
[INFO] [stdout]   |
[INFO] [stdout] 5 | use z3::{Solver, Config, Context, SatResult, ast::{Ast, BV, Int}};
[INFO] [stdout]   |                                   ^^^^^^^^^             ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/solver/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BV`, `SatResult`
[INFO] [stdout]  --> src/solver/mod.rs:5:35
[INFO] [stdout]   |
[INFO] [stdout] 5 | use z3::{Solver, Config, Context, SatResult, ast::{Ast, BV, Int}};
[INFO] [stdout]   |                                   ^^^^^^^^^             ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ast`
[INFO] [stdout]  --> src/solver/mod.rs:5:52
[INFO] [stdout]   |
[INFO] [stdout] 5 | use z3::{Solver, Config, Context, SatResult, ast::{Ast, BV, Int}};
[INFO] [stdout]   |                                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pudding`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `Ast`
[INFO] [stdout]  --> src/solver/mod.rs:5:52
[INFO] [stdout]   |
[INFO] [stdout] 5 | use z3::{Solver, Config, Context, SatResult, ast::{Ast, BV, Int}};
[INFO] [stdout]   |                                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ef20d093814551f5baa9b0eab6b6b2b14bc6ba33935c72f0f03a411212aa7f1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef20d093814551f5baa9b0eab6b6b2b14bc6ba33935c72f0f03a411212aa7f1c", kill_on_drop: false }`
[INFO] [stdout] ef20d093814551f5baa9b0eab6b6b2b14bc6ba33935c72f0f03a411212aa7f1c