[INFO] cloning repository https://github.com/gregorholzmann/rust-to-wasm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gregorholzmann/rust-to-wasm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregorholzmann%2Frust-to-wasm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregorholzmann%2Frust-to-wasm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c04cd113d3bc93e6d41b58c3cc4d689321c05bfe
[INFO] testing gregorholzmann/rust-to-wasm against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregorholzmann%2Frust-to-wasm" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gregorholzmann/rust-to-wasm on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gregorholzmann/rust-to-wasm
[INFO] finished tweaking git repo https://github.com/gregorholzmann/rust-to-wasm
[INFO] tweaked toml for git repo https://github.com/gregorholzmann/rust-to-wasm written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/gregorholzmann/rust-to-wasm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94e4c47d8a2b37dc30b349007dedf048c27e2d3fd2ebd419cbf534aa9ce7e047
[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" "94e4c47d8a2b37dc30b349007dedf048c27e2d3fd2ebd419cbf534aa9ce7e047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94e4c47d8a2b37dc30b349007dedf048c27e2d3fd2ebd419cbf534aa9ce7e047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94e4c47d8a2b37dc30b349007dedf048c27e2d3fd2ebd419cbf534aa9ce7e047", kill_on_drop: false }`
[INFO] [stdout] 94e4c47d8a2b37dc30b349007dedf048c27e2d3fd2ebd419cbf534aa9ce7e047
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e320281e664d36dc00158814dad9bbbc7a9f2c4f7c6ccd5c77d8ef34ebfed833
[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" "e320281e664d36dc00158814dad9bbbc7a9f2c4f7c6ccd5c77d8ef34ebfed833", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling wasm-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `North`
[INFO] [stdout]  --> src/main.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum Direction { North, South, East, West }
[INFO] [stdout]   |                  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `East`
[INFO] [stdout]  --> src/main.rs:3:32
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum Direction { North, South, East, West }
[INFO] [stdout]   |                                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `West`
[INFO] [stdout]  --> src/main.rs:3:38
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum Direction { North, South, East, West }
[INFO] [stdout]   |                                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "e320281e664d36dc00158814dad9bbbc7a9f2c4f7c6ccd5c77d8ef34ebfed833", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e320281e664d36dc00158814dad9bbbc7a9f2c4f7c6ccd5c77d8ef34ebfed833", kill_on_drop: false }`
[INFO] [stdout] e320281e664d36dc00158814dad9bbbc7a9f2c4f7c6ccd5c77d8ef34ebfed833
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66b7915c6f588cf79bc367841efc2bb3bcb59f00040c508b9b9a97e5d62ecf24
[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" "66b7915c6f588cf79bc367841efc2bb3bcb59f00040c508b9b9a97e5d62ecf24", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `North`
[INFO] [stdout]  --> src/main.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum Direction { North, South, East, West }
[INFO] [stdout]   |                  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `East`
[INFO] [stdout]  --> src/main.rs:3:32
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum Direction { North, South, East, West }
[INFO] [stdout]   |                                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `West`
[INFO] [stdout]  --> src/main.rs:3:38
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum Direction { North, South, East, West }
[INFO] [stdout]   |                                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "66b7915c6f588cf79bc367841efc2bb3bcb59f00040c508b9b9a97e5d62ecf24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66b7915c6f588cf79bc367841efc2bb3bcb59f00040c508b9b9a97e5d62ecf24", kill_on_drop: false }`
[INFO] [stdout] 66b7915c6f588cf79bc367841efc2bb3bcb59f00040c508b9b9a97e5d62ecf24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9dd17419d0a21b8ae5a1017dd45d514358f20df1383d8d1e5bfafc2be990d95f
[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" "9dd17419d0a21b8ae5a1017dd45d514358f20df1383d8d1e5bfafc2be990d95f", kill_on_drop: false }`
[INFO] [stderr] warning: variant is never constructed: `North`
[INFO] [stderr]  --> src/main.rs:3:18
[INFO] [stderr]   |
[INFO] [stderr] 3 | enum Direction { North, South, East, West }
[INFO] [stderr]   |                  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `East`
[INFO] [stderr]  --> src/main.rs:3:32
[INFO] [stderr]   |
[INFO] [stderr] 3 | enum Direction { North, South, East, West }
[INFO] [stderr]   |                                ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `West`
[INFO] [stderr]  --> src/main.rs:3:38
[INFO] [stderr]   |
[INFO] [stderr] 3 | enum Direction { North, South, East, West }
[INFO] [stderr]   |                                      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/wasm_demo-80e983f76b998a1e
[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" "9dd17419d0a21b8ae5a1017dd45d514358f20df1383d8d1e5bfafc2be990d95f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dd17419d0a21b8ae5a1017dd45d514358f20df1383d8d1e5bfafc2be990d95f", kill_on_drop: false }`
[INFO] [stdout] 9dd17419d0a21b8ae5a1017dd45d514358f20df1383d8d1e5bfafc2be990d95f