[INFO] updating cached repository https://github.com/demosdemon/hello-rust
[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] 5469cceab9fe8b2546bfa254cb68b4a86ce7e9dd
[INFO] testing demosdemon/hello-rust against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdemosdemon%2Fhello-rust" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/demosdemon/hello-rust 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/demosdemon/hello-rust
[INFO] finished tweaking git repo https://github.com/demosdemon/hello-rust
[INFO] tweaked toml for git repo https://github.com/demosdemon/hello-rust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/demosdemon/hello-rust 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 0eba5ac59ec75cc1ee169aed4d5279b89c1b60e6e44e5debc81f3f05c9f36795
[INFO] running `"docker" "start" "-a" "0eba5ac59ec75cc1ee169aed4d5279b89c1b60e6e44e5debc81f3f05c9f36795"`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling assert_approx_eq v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling backtrace v0.3.37
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling ferris-says v0.1.1
[INFO] [stderr]    Compiling hello-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.91s
[INFO] running `"docker" "inspect" "0eba5ac59ec75cc1ee169aed4d5279b89c1b60e6e44e5debc81f3f05c9f36795"`
[INFO] running `"docker" "rm" "-f" "0eba5ac59ec75cc1ee169aed4d5279b89c1b60e6e44e5debc81f3f05c9f36795"`
[INFO] [stdout] 0eba5ac59ec75cc1ee169aed4d5279b89c1b60e6e44e5debc81f3f05c9f36795
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 671fa2a00cda28bd068ecc86abbc26fc4c60cde0d8f5719c1ba28a297b9bf9dc
[INFO] running `"docker" "start" "-a" "671fa2a00cda28bd068ecc86abbc26fc4c60cde0d8f5719c1ba28a297b9bf9dc"`
[INFO] [stderr]    Compiling hello-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.28s
[INFO] running `"docker" "inspect" "671fa2a00cda28bd068ecc86abbc26fc4c60cde0d8f5719c1ba28a297b9bf9dc"`
[INFO] running `"docker" "rm" "-f" "671fa2a00cda28bd068ecc86abbc26fc4c60cde0d8f5719c1ba28a297b9bf9dc"`
[INFO] [stdout] 671fa2a00cda28bd068ecc86abbc26fc4c60cde0d8f5719c1ba28a297b9bf9dc
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] f1cebee7443e30afb173fa7bfff59d743464120d180075ddbc3571d211ad8a70
[INFO] running `"docker" "start" "-a" "f1cebee7443e30afb173fa7bfff59d743464120d180075ddbc3571d211ad8a70"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hello-132ebd3a8a801bfb
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test tests::celsius_convertible_to_celsius ... ok
[INFO] [stdout] test tests::celsius_convertible_to_kelvin ... ok
[INFO] [stdout] test tests::createable ... ok
[INFO] [stdout] test tests::celsius_convertible_to_fahrenheit ... ok
[INFO] [stdout] test tests::display_kelvin ... ok
[INFO] [stdout] test tests::display_fahrenheit ... ok
[INFO] [stdout] test tests::fahrenheit_convertible_to_celsius ... ok
[INFO] [stdout] test tests::display_celsius ... ok
[INFO] [stdout] test tests::fahrenheit_convertible_to_kelvin ... ok
[INFO] [stdout] test tests::kelvin_convertible_to_kelvin ... ok
[INFO] [stdout] test tests::kelvin_convertible_to_celsius ... ok
[INFO] [stdout] test tests::kelvin_convertible_to_fahrenheit ... ok
[INFO] [stdout] test tests::fahrenheit_convertible_to_fahrenheit ... ok
[INFO] [stdout] test tests::negative_fourty ... ok
[INFO] [stdout] test tests::fibonacci ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hello_rust-2f6791bc99c21ddb
[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] [stderr]    Doc-tests hello
[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" "f1cebee7443e30afb173fa7bfff59d743464120d180075ddbc3571d211ad8a70"`
[INFO] running `"docker" "rm" "-f" "f1cebee7443e30afb173fa7bfff59d743464120d180075ddbc3571d211ad8a70"`
[INFO] [stdout] f1cebee7443e30afb173fa7bfff59d743464120d180075ddbc3571d211ad8a70