[INFO] updating cached repository https://github.com/piittis/rust-beginnings
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7d34a3f8f8b7b8fef9efebb554ab1ef1b279b972
[INFO] testing piittis/rust-beginnings against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpiittis%2Frust-beginnings" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/piittis/rust-beginnings on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/piittis/rust-beginnings
[INFO] finished tweaking git repo https://github.com/piittis/rust-beginnings
[INFO] tweaked toml for git repo https://github.com/piittis/rust-beginnings written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/piittis/rust-beginnings already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8e665e6ed39d7fcf54c44576e7240a6b39f09edd2567e00de107ddbd6603f5d7
[INFO] running `"docker" "start" "-a" "8e665e6ed39d7fcf54c44576e7240a6b39f09edd2567e00de107ddbd6603f5d7"`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling start v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: enum is never used: `InterpretResult`
[INFO] [stderr]   --> src/main.rs:28:6
[INFO] [stderr]    |
[INFO] [stderr] 28 | enum InterpretResult {
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `resetStack`
[INFO] [stderr]    --> src/main.rs:122:5
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn resetStack(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `disassemble_chunk`
[INFO] [stderr]    --> src/main.rs:185:4
[INFO] [stderr]     |
[INFO] [stderr] 185 | fn disassemble_chunk(chunk: &Chunk, name: &str) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `resetStack` should have a snake case name
[INFO] [stderr]    --> src/main.rs:122:8
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn resetStack(&mut self) {
[INFO] [stderr]     |        ^^^^^^^^^^ help: convert the identifier to snake case: `reset_stack`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.10s
[INFO] running `"docker" "inspect" "8e665e6ed39d7fcf54c44576e7240a6b39f09edd2567e00de107ddbd6603f5d7"`
[INFO] running `"docker" "rm" "-f" "8e665e6ed39d7fcf54c44576e7240a6b39f09edd2567e00de107ddbd6603f5d7"`
[INFO] [stdout] 8e665e6ed39d7fcf54c44576e7240a6b39f09edd2567e00de107ddbd6603f5d7
[INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0ac5de95fd907c66c467f420056d96db2913625666d57bfe9ed461fd9bc7ec45
[INFO] running `"docker" "start" "-a" "0ac5de95fd907c66c467f420056d96db2913625666d57bfe9ed461fd9bc7ec45"`
[INFO] [stderr]    Compiling start v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: enum is never used: `InterpretResult`
[INFO] [stderr]   --> src/main.rs:28:6
[INFO] [stderr]    |
[INFO] [stderr] 28 | enum InterpretResult {
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `resetStack`
[INFO] [stderr]    --> src/main.rs:122:5
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn resetStack(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `disassemble_chunk`
[INFO] [stderr]    --> src/main.rs:185:4
[INFO] [stderr]     |
[INFO] [stderr] 185 | fn disassemble_chunk(chunk: &Chunk, name: &str) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `resetStack` should have a snake case name
[INFO] [stderr]    --> src/main.rs:122:8
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn resetStack(&mut self) {
[INFO] [stderr]     |        ^^^^^^^^^^ help: convert the identifier to snake case: `reset_stack`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "0ac5de95fd907c66c467f420056d96db2913625666d57bfe9ed461fd9bc7ec45"`
[INFO] running `"docker" "rm" "-f" "0ac5de95fd907c66c467f420056d96db2913625666d57bfe9ed461fd9bc7ec45"`
[INFO] [stdout] 0ac5de95fd907c66c467f420056d96db2913625666d57bfe9ed461fd9bc7ec45
[INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 19c95ae318d8f8b2d1402cbd118b7708209a6073f169773bde5a6ac1795e32bb
[INFO] running `"docker" "start" "-a" "19c95ae318d8f8b2d1402cbd118b7708209a6073f169773bde5a6ac1795e32bb"`
[INFO] [stderr] warning: enum is never used: `InterpretResult`
[INFO] [stderr]   --> src/main.rs:28:6
[INFO] [stderr]    |
[INFO] [stderr] 28 | enum InterpretResult {
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `resetStack`
[INFO] [stderr]    --> src/main.rs:122:5
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn resetStack(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `disassemble_chunk`
[INFO] [stderr]    --> src/main.rs:185:4
[INFO] [stderr]     |
[INFO] [stderr] 185 | fn disassemble_chunk(chunk: &Chunk, name: &str) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `resetStack` should have a snake case name
[INFO] [stderr]    --> src/main.rs:122:8
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn resetStack(&mut self) {
[INFO] [stderr]     |        ^^^^^^^^^^ help: convert the identifier to snake case: `reset_stack`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/start-b9f27c69683eeccc
[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 `"docker" "inspect" "19c95ae318d8f8b2d1402cbd118b7708209a6073f169773bde5a6ac1795e32bb"`
[INFO] running `"docker" "rm" "-f" "19c95ae318d8f8b2d1402cbd118b7708209a6073f169773bde5a6ac1795e32bb"`
[INFO] [stdout] 19c95ae318d8f8b2d1402cbd118b7708209a6073f169773bde5a6ac1795e32bb