[INFO] updating cached repository https://github.com/rmirabelli/udallas_programming_languages_2020
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 904cc8d4f872b43b286ce7b50745098e487c2ba0
[INFO] testing rmirabelli/udallas_programming_languages_2020 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmirabelli%2Fudallas_programming_languages_2020" "/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/rmirabelli/udallas_programming_languages_2020 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rmirabelli/udallas_programming_languages_2020
[INFO] finished tweaking git repo https://github.com/rmirabelli/udallas_programming_languages_2020
[INFO] tweaked toml for git repo https://github.com/rmirabelli/udallas_programming_languages_2020 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/rmirabelli/udallas_programming_languages_2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", 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] bdabf61626b7e9c3cca44cfbe3dfa1f7864224ee4265ea16125d0d28569da80b
[INFO] running `Command { std: "docker" "start" "-a" "bdabf61626b7e9c3cca44cfbe3dfa1f7864224ee4265ea16125d0d28569da80b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdabf61626b7e9c3cca44cfbe3dfa1f7864224ee4265ea16125d0d28569da80b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdabf61626b7e9c3cca44cfbe3dfa1f7864224ee4265ea16125d0d28569da80b", kill_on_drop: false }`
[INFO] [stdout] bdabf61626b7e9c3cca44cfbe3dfa1f7864224ee4265ea16125d0d28569da80b
[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=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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe15006a5f0ba33463aa61ea863b07146550a264e5c7698f0e845faac9a40f86
[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" "fe15006a5f0ba33463aa61ea863b07146550a264e5c7698f0e845faac9a40f86", kill_on_drop: false }`
[INFO] [stderr]    Compiling first-interp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "fe15006a5f0ba33463aa61ea863b07146550a264e5c7698f0e845faac9a40f86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe15006a5f0ba33463aa61ea863b07146550a264e5c7698f0e845faac9a40f86", kill_on_drop: false }`
[INFO] [stdout] fe15006a5f0ba33463aa61ea863b07146550a264e5c7698f0e845faac9a40f86
[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=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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bbfab801943b45e4ab40b6af1b5eaa82d45827aed09a178c2aad4261514fd99
[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" "7bbfab801943b45e4ab40b6af1b5eaa82d45827aed09a178c2aad4261514fd99", kill_on_drop: false }`
[INFO] [stderr]    Compiling first-interp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "7bbfab801943b45e4ab40b6af1b5eaa82d45827aed09a178c2aad4261514fd99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bbfab801943b45e4ab40b6af1b5eaa82d45827aed09a178c2aad4261514fd99", kill_on_drop: false }`
[INFO] [stdout] 7bbfab801943b45e4ab40b6af1b5eaa82d45827aed09a178c2aad4261514fd99
[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=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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 442e5da71aa27a2ad1b1045e45adc0e2632518817d663c79684b92771e88dcfd
[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" "442e5da71aa27a2ad1b1045e45adc0e2632518817d663c79684b92771e88dcfd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/first_interp-89cda05d5a23f557
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::basic_environment_variable ... ok
[INFO] [stdout] test tests::basic_multiplication ... ok
[INFO] [stdout] test tests::basic_addition ... ok
[INFO] [stdout] test tests::two_environment_variables ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::basic_subtraction ... ok
[INFO] [stdout] test tests::two_environment_variables_mult_impl_on_expression ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "442e5da71aa27a2ad1b1045e45adc0e2632518817d663c79684b92771e88dcfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "442e5da71aa27a2ad1b1045e45adc0e2632518817d663c79684b92771e88dcfd", kill_on_drop: false }`
[INFO] [stdout] 442e5da71aa27a2ad1b1045e45adc0e2632518817d663c79684b92771e88dcfd