[INFO] updating cached repository https://github.com/ColonelPhantom/brainiter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 67e2d2450546417420b1dd625cf0f3de1b8a01b3
[INFO] testing ColonelPhantom/brainiter against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FColonelPhantom%2Fbrainiter" "/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/ColonelPhantom/brainiter on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ColonelPhantom/brainiter
[INFO] finished tweaking git repo https://github.com/ColonelPhantom/brainiter
[INFO] tweaked toml for git repo https://github.com/ColonelPhantom/brainiter written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ColonelPhantom/brainiter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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" "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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] 1d02a52e5fca558f3e37b33946bfde7074172a05af051162417b7e6127ca0d5d
[INFO] running `Command { std: "docker" "start" "-a" "1d02a52e5fca558f3e37b33946bfde7074172a05af051162417b7e6127ca0d5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d02a52e5fca558f3e37b33946bfde7074172a05af051162417b7e6127ca0d5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d02a52e5fca558f3e37b33946bfde7074172a05af051162417b7e6127ca0d5d", kill_on_drop: false }`
[INFO] [stdout] 1d02a52e5fca558f3e37b33946bfde7074172a05af051162417b7e6127ca0d5d
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 681b6bd81bbf3271ef85374017495446a0e0149308bb095ccc65d131098235d2
[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" "681b6bd81bbf3271ef85374017495446a0e0149308bb095ccc65d131098235d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling brainfuck-mt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/to_c.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |             _ => panic!(),
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `compile_c`
[INFO] [stdout]  --> src/to_c.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn compile_c(code: &Bytecode, tape_size: usize) -> String {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `compile_c_recurse`
[INFO] [stdout]   --> src/to_c.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn compile_c_recurse(code: &Bytecode) -> String {
[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 1.22s
[INFO] running `Command { std: "docker" "inspect" "681b6bd81bbf3271ef85374017495446a0e0149308bb095ccc65d131098235d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "681b6bd81bbf3271ef85374017495446a0e0149308bb095ccc65d131098235d2", kill_on_drop: false }`
[INFO] [stdout] 681b6bd81bbf3271ef85374017495446a0e0149308bb095ccc65d131098235d2
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] 5ce887efbc014523b50e9ba876ab45557ac9141b779f543c02216efadbda22d3
[INFO] running `Command { std: "docker" "start" "-a" "5ce887efbc014523b50e9ba876ab45557ac9141b779f543c02216efadbda22d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling brainfuck-mt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/to_c.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |             _ => panic!(),
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `compile_c`
[INFO] [stdout]  --> src/to_c.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn compile_c(code: &Bytecode, tape_size: usize) -> String {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `compile_c_recurse`
[INFO] [stdout]   --> src/to_c.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn compile_c_recurse(code: &Bytecode) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5ce887efbc014523b50e9ba876ab45557ac9141b779f543c02216efadbda22d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ce887efbc014523b50e9ba876ab45557ac9141b779f543c02216efadbda22d3", kill_on_drop: false }`
[INFO] [stdout] 5ce887efbc014523b50e9ba876ab45557ac9141b779f543c02216efadbda22d3
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] 04177c3b6f1217934d58a4eb916c5c528135ebb784190a6aa8446fd5b98030fc
[INFO] running `Command { std: "docker" "start" "-a" "04177c3b6f1217934d58a4eb916c5c528135ebb784190a6aa8446fd5b98030fc", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/to_c.rs:35:13
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 35 |             _ => panic!(),
[INFO] [stdout] 
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `compile_c`
[INFO] [stderr]  --> src/to_c.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn compile_c(code: &Bytecode, tape_size: usize) -> String {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `compile_c_recurse`
[INFO] [stderr]   --> src/to_c.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn compile_c_recurse(code: &Bytecode) -> String {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[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/brainfuck_mt-130a5f0144861adf
[INFO] running `Command { std: "docker" "inspect" "04177c3b6f1217934d58a4eb916c5c528135ebb784190a6aa8446fd5b98030fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04177c3b6f1217934d58a4eb916c5c528135ebb784190a6aa8446fd5b98030fc", kill_on_drop: false }`
[INFO] [stdout] 04177c3b6f1217934d58a4eb916c5c528135ebb784190a6aa8446fd5b98030fc