[INFO] cloning repository https://github.com/demosdemon/hello-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/demosdemon/hello-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdemosdemon%2Fhello-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdemosdemon%2Fhello-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5469cceab9fe8b2546bfa254cb68b4a86ce7e9dd
[INFO] testing demosdemon/hello-rust against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdemosdemon%2Fhello-rust" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/demosdemon/hello-rust on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-5/source/Cargo.toml
[INFO] crate git repo https://github.com/demosdemon/hello-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a61048973726ac30889ca5c2768d243b9c12124bad77ff6f54d2714e08be759
[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" "5a61048973726ac30889ca5c2768d243b9c12124bad77ff6f54d2714e08be759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a61048973726ac30889ca5c2768d243b9c12124bad77ff6f54d2714e08be759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a61048973726ac30889ca5c2768d243b9c12124bad77ff6f54d2714e08be759", kill_on_drop: false }`
[INFO] [stdout] 5a61048973726ac30889ca5c2768d243b9c12124bad77ff6f54d2714e08be759
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82f47081a1ea64074bdf7e6addd397a33460dd33ae1d4efba00d4c549714f764
[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" "82f47081a1ea64074bdf7e6addd397a33460dd33ae1d4efba00d4c549714f764", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling smallvec v0.4.5
[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 c2-chacha v0.2.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[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 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 36.80s
[INFO] running `Command { std: "docker" "inspect" "82f47081a1ea64074bdf7e6addd397a33460dd33ae1d4efba00d4c549714f764", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82f47081a1ea64074bdf7e6addd397a33460dd33ae1d4efba00d4c549714f764", kill_on_drop: false }`
[INFO] [stdout] 82f47081a1ea64074bdf7e6addd397a33460dd33ae1d4efba00d4c549714f764
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cb98960fc8c9e92bacfb7f7f028ca629250984d6ed8373d7bfa842f39f8ed3b
[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" "1cb98960fc8c9e92bacfb7f7f028ca629250984d6ed8373d7bfa842f39f8ed3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `Command { std: "docker" "inspect" "1cb98960fc8c9e92bacfb7f7f028ca629250984d6ed8373d7bfa842f39f8ed3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cb98960fc8c9e92bacfb7f7f028ca629250984d6ed8373d7bfa842f39f8ed3b", kill_on_drop: false }`
[INFO] [stdout] 1cb98960fc8c9e92bacfb7f7f028ca629250984d6ed8373d7bfa842f39f8ed3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 3244f23d8dde3f7db73018bc473a0b4817f001f576dd8a51607a892e4b69d244
[INFO] running `Command { std: "docker" "start" "-a" "3244f23d8dde3f7db73018bc473a0b4817f001f576dd8a51607a892e4b69d244", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hello-a9246d2baf179826
[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::fahrenheit_convertible_to_kelvin ... ok
[INFO] [stdout] test tests::kelvin_convertible_to_fahrenheit ... ok
[INFO] [stdout] test tests::createable ... ok
[INFO] [stdout] test tests::kelvin_convertible_to_kelvin ... ok
[INFO] [stdout] test tests::display_fahrenheit ... ok
[INFO] [stdout] test tests::display_kelvin ... ok
[INFO] [stdout] test tests::display_celsius ... ok
[INFO] [stdout] test tests::fahrenheit_convertible_to_celsius ... ok
[INFO] [stdout] test tests::fahrenheit_convertible_to_fahrenheit ... ok
[INFO] [stdout] test tests::celsius_convertible_to_fahrenheit ... ok
[INFO] [stdout] test tests::negative_fourty ... ok
[INFO] [stdout] test tests::kelvin_convertible_to_celsius ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hello_rust-8cefdacd2d5bab01
[INFO] [stdout] test tests::fibonacci ... ok
[INFO] [stderr]    Doc-tests hello
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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] [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 `Command { std: "docker" "inspect" "3244f23d8dde3f7db73018bc473a0b4817f001f576dd8a51607a892e4b69d244", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3244f23d8dde3f7db73018bc473a0b4817f001f576dd8a51607a892e4b69d244", kill_on_drop: false }`
[INFO] [stdout] 3244f23d8dde3f7db73018bc473a0b4817f001f576dd8a51607a892e4b69d244