[INFO] cloning repository https://github.com/sjkillen/lp-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sjkillen/lp-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjkillen%2Flp-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjkillen%2Flp-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 825945baa0c3d32275c84fca875cb013a01a41b0
[INFO] testing sjkillen/lp-lang against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjkillen%2Flp-lang" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sjkillen/lp-lang on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sjkillen/lp-lang
[INFO] finished tweaking git repo https://github.com/sjkillen/lp-lang
[INFO] tweaked toml for git repo https://github.com/sjkillen/lp-lang written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/sjkillen/lp-lang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c41ed1cefcde48c57edcbcb3cd83a4147c75390fb969c46b759f0aa4392be80
[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" "1c41ed1cefcde48c57edcbcb3cd83a4147c75390fb969c46b759f0aa4392be80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c41ed1cefcde48c57edcbcb3cd83a4147c75390fb969c46b759f0aa4392be80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c41ed1cefcde48c57edcbcb3cd83a4147c75390fb969c46b759f0aa4392be80", kill_on_drop: false }`
[INFO] [stdout] 1c41ed1cefcde48c57edcbcb3cd83a4147c75390fb969c46b759f0aa4392be80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", 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] d9e5c2e3318266cbb3c7879ef4f2bf63349df8cddf2949cda736e1dc3f90b81d
[INFO] running `Command { std: "docker" "start" "-a" "d9e5c2e3318266cbb3c7879ef4f2bf63349df8cddf2949cda736e1dc3f90b81d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling uid v0.1.4
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling lp-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `empty`
[INFO] [stdout]  --> src/util.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::{empty, Peekable};
[INFO] [stdout]   |                 ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `TermSeqTry`
[INFO] [stdout]  --> src/conflict.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub type TermSeqTry<'a> = Result<TermSeq, Conflict>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `TermIter`
[INFO] [stdout]   --> src/grounding.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub type TermIter<'a> = Box<dyn Iterator<Item = Term> + 'a>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `TermSeq`
[INFO] [stdout]  --> src/program.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub type TermSeq = Vec<Term>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.33s
[INFO] running `Command { std: "docker" "inspect" "d9e5c2e3318266cbb3c7879ef4f2bf63349df8cddf2949cda736e1dc3f90b81d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9e5c2e3318266cbb3c7879ef4f2bf63349df8cddf2949cda736e1dc3f90b81d", kill_on_drop: false }`
[INFO] [stdout] d9e5c2e3318266cbb3c7879ef4f2bf63349df8cddf2949cda736e1dc3f90b81d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4dcdea23830d4a21f4fdc52925a446679805b2584b0ec65e7f87c2d355a26cd2
[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" "4dcdea23830d4a21f4fdc52925a446679805b2584b0ec65e7f87c2d355a26cd2", kill_on_drop: false }`
[INFO] [stderr]    Compiling lp-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `empty`
[INFO] [stdout]  --> src/util.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::{empty, Peekable};
[INFO] [stdout]   |                 ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `TermSeqTry`
[INFO] [stdout]  --> src/conflict.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub type TermSeqTry<'a> = Result<TermSeq, Conflict>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `TermIter`
[INFO] [stdout]   --> src/grounding.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub type TermIter<'a> = Box<dyn Iterator<Item = Term> + 'a>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `TermSeq`
[INFO] [stdout]  --> src/program.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub type TermSeq = Vec<Term>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "4dcdea23830d4a21f4fdc52925a446679805b2584b0ec65e7f87c2d355a26cd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dcdea23830d4a21f4fdc52925a446679805b2584b0ec65e7f87c2d355a26cd2", kill_on_drop: false }`
[INFO] [stdout] 4dcdea23830d4a21f4fdc52925a446679805b2584b0ec65e7f87c2d355a26cd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 25e585916838ce50a767efb8606fa92c002828ce7e6236e95079f315a171b1b6
[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" "25e585916838ce50a767efb8606fa92c002828ce7e6236e95079f315a171b1b6", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `empty`
[INFO] [stderr]  --> src/util.rs:1:17
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::iter::{empty, Peekable};
[INFO] [stderr]   |                 ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `TermSeqTry`
[INFO] [stderr]  --> src/conflict.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub type TermSeqTry<'a> = Result<TermSeq, Conflict>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `TermIter`
[INFO] [stderr]   --> src/grounding.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub type TermIter<'a> = Box<dyn Iterator<Item = Term> + 'a>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `TermSeq`
[INFO] [stderr]  --> src/program.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub type TermSeq = Vec<Term>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lp_lang-735dafb582d651dd
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "25e585916838ce50a767efb8606fa92c002828ce7e6236e95079f315a171b1b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25e585916838ce50a767efb8606fa92c002828ce7e6236e95079f315a171b1b6", kill_on_drop: false }`
[INFO] [stdout] 25e585916838ce50a767efb8606fa92c002828ce7e6236e95079f315a171b1b6