[INFO] cloning repository https://github.com/rationalis/rustkey
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rationalis/rustkey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frationalis%2Frustkey"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frationalis%2Frustkey'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 31aa5fd941767df89b4a5f852b360b021584a43a
[INFO] testing rationalis/rustkey against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frationalis%2Frustkey" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rationalis/rustkey 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/rationalis/rustkey
[INFO] finished tweaking git repo https://github.com/rationalis/rustkey
[INFO] tweaked toml for git repo https://github.com/rationalis/rustkey written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/rationalis/rustkey already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stdout] 91fd44fc71b842c7dd7fc1512a76f7ca3807bd488e4e661e1d309e53b68b38a0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "91fd44fc71b842c7dd7fc1512a76f7ca3807bd488e4e661e1d309e53b68b38a0"`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling bitflags v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling nix v0.8.1
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling evdev v0.10.1
[INFO] [stderr]    Compiling ctrlc v3.1.4
[INFO] [stderr]    Compiling rustkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `duration`
[INFO] [stderr]    --> src/main.rs:246:17
[INFO] [stderr]     |
[INFO] [stderr] 246 |             let duration = next.duration_since(prev).unwrap();
[INFO] [stderr]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.81s
[INFO] running `"docker" "inspect" "91fd44fc71b842c7dd7fc1512a76f7ca3807bd488e4e661e1d309e53b68b38a0"`
[INFO] running `"docker" "rm" "-f" "91fd44fc71b842c7dd7fc1512a76f7ca3807bd488e4e661e1d309e53b68b38a0"`
[INFO] [stdout] 91fd44fc71b842c7dd7fc1512a76f7ca3807bd488e4e661e1d309e53b68b38a0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 3388f1b28106b8c732d76c60257e13eeda6fbe33de19a5294fa17d1a5a4281ff
[INFO] running `"docker" "start" "-a" "3388f1b28106b8c732d76c60257e13eeda6fbe33de19a5294fa17d1a5a4281ff"`
[INFO] [stderr]    Compiling rustkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `duration`
[INFO] [stderr]    --> src/main.rs:246:17
[INFO] [stderr]     |
[INFO] [stderr] 246 |             let duration = next.duration_since(prev).unwrap();
[INFO] [stderr]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `"docker" "inspect" "3388f1b28106b8c732d76c60257e13eeda6fbe33de19a5294fa17d1a5a4281ff"`
[INFO] running `"docker" "rm" "-f" "3388f1b28106b8c732d76c60257e13eeda6fbe33de19a5294fa17d1a5a4281ff"`
[INFO] [stdout] 3388f1b28106b8c732d76c60257e13eeda6fbe33de19a5294fa17d1a5a4281ff
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] f73081dac42ccf9fb060824a3030c53afbd10d11226ae463e98dc0e70fb6c71c
[INFO] running `"docker" "start" "-a" "f73081dac42ccf9fb060824a3030c53afbd10d11226ae463e98dc0e70fb6c71c"`
[INFO] [stderr] warning: unused variable: `duration`
[INFO] [stderr]    --> src/main.rs:246:17
[INFO] [stderr]     |
[INFO] [stderr] 246 |             let duration = next.duration_since(prev).unwrap();
[INFO] [stderr]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rustkey-cb0f4df5a94d8492
[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" "f73081dac42ccf9fb060824a3030c53afbd10d11226ae463e98dc0e70fb6c71c"`
[INFO] running `"docker" "rm" "-f" "f73081dac42ccf9fb060824a3030c53afbd10d11226ae463e98dc0e70fb6c71c"`
[INFO] [stdout] f73081dac42ccf9fb060824a3030c53afbd10d11226ae463e98dc0e70fb6c71c