[INFO] updating cached repository https://github.com/lyuha/bf.rs
[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] 03b57f10caecac14eef9f5a8831065952e6f9c25
[INFO] testing lyuha/bf.rs against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flyuha%2Fbf.rs" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lyuha/bf.rs on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/lyuha/bf.rs
[INFO] finished tweaking git repo https://github.com/lyuha/bf.rs
[INFO] tweaked toml for git repo https://github.com/lyuha/bf.rs written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/lyuha/bf.rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] 9e9b9e98a01bb92b1024cdbe36738d8bc69d96a85534827c6f491414ae5ddd4f
[INFO] running `"docker" "start" "-a" "9e9b9e98a01bb92b1024cdbe36738d8bc69d96a85534827c6f491414ae5ddd4f"`
[INFO] [stderr]    Compiling bf_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/bf.rs:13:32
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn get_value(&self) -> (u8) { self.list[self.pointer] }
[INFO] [stderr]    |                                ^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:15:24
[INFO] [stderr]    |
[INFO] [stderr] 15 |             if let Err(e) = f.read_to_string(&mut buffer) {
[INFO] [stderr]    |                        ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `"docker" "inspect" "9e9b9e98a01bb92b1024cdbe36738d8bc69d96a85534827c6f491414ae5ddd4f"`
[INFO] running `"docker" "rm" "-f" "9e9b9e98a01bb92b1024cdbe36738d8bc69d96a85534827c6f491414ae5ddd4f"`
[INFO] [stdout] 9e9b9e98a01bb92b1024cdbe36738d8bc69d96a85534827c6f491414ae5ddd4f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] 1c6f10f3de61c8eaf543cebcbaa76d2b2f706aba7cbaa48177954ef1221e8108
[INFO] running `"docker" "start" "-a" "1c6f10f3de61c8eaf543cebcbaa76d2b2f706aba7cbaa48177954ef1221e8108"`
[INFO] [stderr]    Compiling bf_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/bf.rs:13:32
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn get_value(&self) -> (u8) { self.list[self.pointer] }
[INFO] [stderr]    |                                ^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:15:24
[INFO] [stderr]    |
[INFO] [stderr] 15 |             if let Err(e) = f.read_to_string(&mut buffer) {
[INFO] [stderr]    |                        ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "1c6f10f3de61c8eaf543cebcbaa76d2b2f706aba7cbaa48177954ef1221e8108"`
[INFO] running `"docker" "rm" "-f" "1c6f10f3de61c8eaf543cebcbaa76d2b2f706aba7cbaa48177954ef1221e8108"`
[INFO] [stdout] 1c6f10f3de61c8eaf543cebcbaa76d2b2f706aba7cbaa48177954ef1221e8108
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] 54c0d3f452834de82096946014dcf146941dad175550da50e6611ca008f239ae
[INFO] running `"docker" "start" "-a" "54c0d3f452834de82096946014dcf146941dad175550da50e6611ca008f239ae"`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/bf.rs:13:32
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn get_value(&self) -> (u8) { self.list[self.pointer] }
[INFO] [stderr]    |                                ^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:15:24
[INFO] [stderr]    |
[INFO] [stderr] 15 |             if let Err(e) = f.read_to_string(&mut buffer) {
[INFO] [stderr]    |                        ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bf_rs-a09c1bddc0d910b2
[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" "54c0d3f452834de82096946014dcf146941dad175550da50e6611ca008f239ae"`
[INFO] running `"docker" "rm" "-f" "54c0d3f452834de82096946014dcf146941dad175550da50e6611ca008f239ae"`
[INFO] [stdout] 54c0d3f452834de82096946014dcf146941dad175550da50e6611ca008f239ae