[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] fca6481b02c31c2507bda25e10949482e4384a2f
[INFO] testing KeenS/pattern-match-compile against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeenS%2Fpattern-match-compile" "/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/KeenS/pattern-match-compile on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-1/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-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3bda39ed0043bf0951a208bf909ebd76b0d80fa178274746b59d54b285544434
[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" "3bda39ed0043bf0951a208bf909ebd76b0d80fa178274746b59d54b285544434", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bda39ed0043bf0951a208bf909ebd76b0d80fa178274746b59d54b285544434", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bda39ed0043bf0951a208bf909ebd76b0d80fa178274746b59d54b285544434", kill_on_drop: false }`
[INFO] [stdout] 3bda39ed0043bf0951a208bf909ebd76b0d80fa178274746b59d54b285544434
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebdb115f9f6f9b250206e2c6bf1f1797254ba8765ca74464bfc38e52ba6598ba
[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" "ebdb115f9f6f9b250206e2c6bf1f1797254ba8765ca74464bfc38e52ba6598ba", 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: `m3`
[INFO] [stdout]     --> src/main.rs:1578:9
[INFO] [stdout]      |
[INFO] [stdout] 1578 |     let m3 = {
[INFO] [stdout]      |         ^^ help: if this is intentional, prefix it with an underscore: `_m3`
[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]      = note: `#[warn(dead_code)]` on by default
[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: `Expr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/main.rs:47:14
[INFO] [stdout]    |
[INFO] [stdout] 47 |     #[derive(Debug, Clone)]
[INFO] [stdout]    |              ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.69s
[INFO] running `Command { std: "docker" "inspect" "ebdb115f9f6f9b250206e2c6bf1f1797254ba8765ca74464bfc38e52ba6598ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebdb115f9f6f9b250206e2c6bf1f1797254ba8765ca74464bfc38e52ba6598ba", kill_on_drop: false }`
[INFO] [stdout] ebdb115f9f6f9b250206e2c6bf1f1797254ba8765ca74464bfc38e52ba6598ba
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--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] 6c2f9367acebe886d76b1c990d0bb1907806a7271e4b79a952bb0ec0398e6671
[INFO] running `Command { std: "docker" "start" "-a" "6c2f9367acebe886d76b1c990d0bb1907806a7271e4b79a952bb0ec0398e6671", 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: `m3`
[INFO] [stdout]     --> src/main.rs:1578:9
[INFO] [stdout]      |
[INFO] [stdout] 1578 |     let m3 = {
[INFO] [stdout]      |         ^^ help: if this is intentional, prefix it with an underscore: `_m3`
[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] note: `Expr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/main.rs:47:14
[INFO] [stdout]    |
[INFO] [stdout] 47 |     #[derive(Debug, Clone)]
[INFO] [stdout]    |              ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "6c2f9367acebe886d76b1c990d0bb1907806a7271e4b79a952bb0ec0398e6671", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c2f9367acebe886d76b1c990d0bb1907806a7271e4b79a952bb0ec0398e6671", kill_on_drop: false }`
[INFO] [stdout] 6c2f9367acebe886d76b1c990d0bb1907806a7271e4b79a952bb0ec0398e6671
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] aa9e7064ffc9ca171e0b314adc71a421b2f8d8619e9f47236e1acfa071f3a3aa
[INFO] running `Command { std: "docker" "start" "-a" "aa9e7064ffc9ca171e0b314adc71a421b2f8d8619e9f47236e1acfa071f3a3aa", 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; finished in 0.00s
[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: `m3`
[INFO] [stderr]     --> src/main.rs:1578:9
[INFO] [stderr]      |
[INFO] [stderr] 1578 |     let m3 = {
[INFO] [stderr]      |         ^^ help: if this is intentional, prefix it with an underscore: `_m3`
[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] note: `Expr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/main.rs:47:14
[INFO] [stderr]    |
[INFO] [stderr] 47 |     #[derive(Debug, Clone)]
[INFO] [stderr]    |              ^^^^^  ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `pattern-match-compile` (bin "pattern-match-compile" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pattern_match_compile-4a776fe7d5d63148)
[INFO] running `Command { std: "docker" "inspect" "aa9e7064ffc9ca171e0b314adc71a421b2f8d8619e9f47236e1acfa071f3a3aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa9e7064ffc9ca171e0b314adc71a421b2f8d8619e9f47236e1acfa071f3a3aa", kill_on_drop: false }`
[INFO] [stdout] aa9e7064ffc9ca171e0b314adc71a421b2f8d8619e9f47236e1acfa071f3a3aa