[INFO] cloning repository https://github.com/KeenS/pattern-match-compile
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KeenS/pattern-match-compile" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeenS%2Fpattern-match-compile", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeenS%2Fpattern-match-compile'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d31c47d3f42524bf0b5e4b560a9c39af2420aeef
[INFO] testing KeenS/pattern-match-compile against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeenS%2Fpattern-match-compile" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KeenS/pattern-match-compile on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KeenS/pattern-match-compile
[INFO] finished tweaking git repo https://github.com/KeenS/pattern-match-compile
[INFO] tweaked toml for git repo https://github.com/KeenS/pattern-match-compile written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/KeenS/pattern-match-compile already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1220f7b95941bdd4019adea7c415a3dc8bf9cdbc855d37c538f7ed8bb37561ba
[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" "1220f7b95941bdd4019adea7c415a3dc8bf9cdbc855d37c538f7ed8bb37561ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1220f7b95941bdd4019adea7c415a3dc8bf9cdbc855d37c538f7ed8bb37561ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1220f7b95941bdd4019adea7c415a3dc8bf9cdbc855d37c538f7ed8bb37561ba", kill_on_drop: false }`
[INFO] [stdout] 1220f7b95941bdd4019adea7c415a3dc8bf9cdbc855d37c538f7ed8bb37561ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "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] 99003c3d653f1e0909a44cc97d31431f9f5f7d309cf1e0818810653a1054bbd6
[INFO] running `Command { std: "docker" "start" "-a" "99003c3d653f1e0909a44cc97d31431f9f5f7d309cf1e0818810653a1054bbd6", kill_on_drop: false }`
[INFO] [stderr]    Compiling pattern-match-compile v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]     --> src/main.rs:1436:9
[INFO] [stdout]      |
[INFO] [stdout] 1436 |     let m = {
[INFO] [stdout]      |         ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m2`
[INFO] [stdout]     --> src/main.rs:1531:9
[INFO] [stdout]      |
[INFO] [stdout] 1531 |     let m2 = {
[INFO] [stdout]      |         ^^ help: if this is intentional, prefix it with an underscore: `_m2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Symbol`
[INFO] [stdout]   --> src/main.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         Symbol(Symbol),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `consv`
[INFO] [stdout]     --> src/main.rs:1589:12
[INFO] [stdout]      |
[INFO] [stdout] 1589 |         fn consv(arg: Expr) -> Expr {
[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 4.27s
[INFO] running `Command { std: "docker" "inspect" "99003c3d653f1e0909a44cc97d31431f9f5f7d309cf1e0818810653a1054bbd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99003c3d653f1e0909a44cc97d31431f9f5f7d309cf1e0818810653a1054bbd6", kill_on_drop: false }`
[INFO] [stdout] 99003c3d653f1e0909a44cc97d31431f9f5f7d309cf1e0818810653a1054bbd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] decd9ae18108d40ce29a5eaef3b35fc065d92a171d9fb3a7a0fdce6706804bd4
[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" "decd9ae18108d40ce29a5eaef3b35fc065d92a171d9fb3a7a0fdce6706804bd4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pattern-match-compile v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]     --> src/main.rs:1436:9
[INFO] [stdout]      |
[INFO] [stdout] 1436 |     let m = {
[INFO] [stdout]      |         ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m2`
[INFO] [stdout]     --> src/main.rs:1531:9
[INFO] [stdout]      |
[INFO] [stdout] 1531 |     let m2 = {
[INFO] [stdout]      |         ^^ help: if this is intentional, prefix it with an underscore: `_m2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Symbol`
[INFO] [stdout]   --> src/main.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         Symbol(Symbol),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `Command { std: "docker" "inspect" "decd9ae18108d40ce29a5eaef3b35fc065d92a171d9fb3a7a0fdce6706804bd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "decd9ae18108d40ce29a5eaef3b35fc065d92a171d9fb3a7a0fdce6706804bd4", kill_on_drop: false }`
[INFO] [stdout] decd9ae18108d40ce29a5eaef3b35fc065d92a171d9fb3a7a0fdce6706804bd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", 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] a60c0e4ddb517f3428c862398f8d17bad6c08b8df19ecbe7c2ad86364e88cad6
[INFO] running `Command { std: "docker" "start" "-a" "a60c0e4ddb517f3428c862398f8d17bad6c08b8df19ecbe7c2ad86364e88cad6", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stdout] running 0 tests
[INFO] [stderr]     --> src/main.rs:1436:9
[INFO] [stdout] 
[INFO] [stderr]      |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 1436 |     let m = {
[INFO] [stdout] 
[INFO] [stderr]      |         ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m2`
[INFO] [stderr]     --> src/main.rs:1531:9
[INFO] [stderr]      |
[INFO] [stderr] 1531 |     let m2 = {
[INFO] [stderr]      |         ^^ help: if this is intentional, prefix it with an underscore: `_m2`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Symbol`
[INFO] [stderr]   --> src/main.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |         Symbol(Symbol),
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pattern_match_compile-262cd7303e7baefb
[INFO] running `Command { std: "docker" "inspect" "a60c0e4ddb517f3428c862398f8d17bad6c08b8df19ecbe7c2ad86364e88cad6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a60c0e4ddb517f3428c862398f8d17bad6c08b8df19ecbe7c2ad86364e88cad6", kill_on_drop: false }`
[INFO] [stdout] a60c0e4ddb517f3428c862398f8d17bad6c08b8df19ecbe7c2ad86364e88cad6
