[INFO] cloning repository https://github.com/julianduque/hello-heroku-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/julianduque/hello-heroku-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjulianduque%2Fhello-heroku-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjulianduque%2Fhello-heroku-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0c55a4e572f9bbd5f8d10c609fc83e8a828a97c9
[INFO] testing julianduque/hello-heroku-rust against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjulianduque%2Fhello-heroku-rust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/julianduque/hello-heroku-rust on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/julianduque/hello-heroku-rust
[INFO] finished tweaking git repo https://github.com/julianduque/hello-heroku-rust
[INFO] tweaked toml for git repo https://github.com/julianduque/hello-heroku-rust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/julianduque/hello-heroku-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48f67e20742bf3f5336cd5fe13b9b1487aeff2fc9a8f9b85b261ba737d36709d
[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" "48f67e20742bf3f5336cd5fe13b9b1487aeff2fc9a8f9b85b261ba737d36709d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48f67e20742bf3f5336cd5fe13b9b1487aeff2fc9a8f9b85b261ba737d36709d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48f67e20742bf3f5336cd5fe13b9b1487aeff2fc9a8f9b85b261ba737d36709d", kill_on_drop: false }`
[INFO] [stdout] 48f67e20742bf3f5336cd5fe13b9b1487aeff2fc9a8f9b85b261ba737d36709d
[INFO] running `Command { std: "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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", 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] 3ec5745a6d0a38a4341947a7253dede4b122b2a3ea2393f947f9e1f012d14e45
[INFO] running `Command { std: "docker" "start" "-a" "3ec5745a6d0a38a4341947a7253dede4b122b2a3ea2393f947f9e1f012d14e45", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello_heroku_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "3ec5745a6d0a38a4341947a7253dede4b122b2a3ea2393f947f9e1f012d14e45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ec5745a6d0a38a4341947a7253dede4b122b2a3ea2393f947f9e1f012d14e45", kill_on_drop: false }`
[INFO] [stdout] 3ec5745a6d0a38a4341947a7253dede4b122b2a3ea2393f947f9e1f012d14e45
[INFO] running `Command { std: "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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", 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] 08ad95dff9fd85615eadd77ef648dc9e41b65a52ae858f028198bdee0b0b3c81
[INFO] running `Command { std: "docker" "start" "-a" "08ad95dff9fd85615eadd77ef648dc9e41b65a52ae858f028198bdee0b0b3c81", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello_heroku_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "08ad95dff9fd85615eadd77ef648dc9e41b65a52ae858f028198bdee0b0b3c81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08ad95dff9fd85615eadd77ef648dc9e41b65a52ae858f028198bdee0b0b3c81", kill_on_drop: false }`
[INFO] [stdout] 08ad95dff9fd85615eadd77ef648dc9e41b65a52ae858f028198bdee0b0b3c81
[INFO] running `Command { std: "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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] fe3c0227ae91e96ffb7dbe81c2175bf1e24ededf66ff83786262c751b1eb44bc
[INFO] running `Command { std: "docker" "start" "-a" "fe3c0227ae91e96ffb7dbe81c2175bf1e24ededf66ff83786262c751b1eb44bc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hello_heroku_rust-66e772ec9b8aa258
[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]      Running /opt/rustwide/target/debug/deps/main-899ca11def78914d
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hello_heroku_rust
[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" "fe3c0227ae91e96ffb7dbe81c2175bf1e24ededf66ff83786262c751b1eb44bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe3c0227ae91e96ffb7dbe81c2175bf1e24ededf66ff83786262c751b1eb44bc", kill_on_drop: false }`
[INFO] [stdout] fe3c0227ae91e96ffb7dbe81c2175bf1e24ededf66ff83786262c751b1eb44bc