[INFO] cloning repository https://github.com/codurance-apprenticeship/fizz-buzz-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codurance-apprenticeship/fizz-buzz-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodurance-apprenticeship%2Ffizz-buzz-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodurance-apprenticeship%2Ffizz-buzz-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1cc7f9963e0b4c5e4e0720c578ea090fefc0a077
[INFO] testing codurance-apprenticeship/fizz-buzz-rust against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodurance-apprenticeship%2Ffizz-buzz-rust" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/codurance-apprenticeship/fizz-buzz-rust on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/codurance-apprenticeship/fizz-buzz-rust
[INFO] finished tweaking git repo https://github.com/codurance-apprenticeship/fizz-buzz-rust
[INFO] tweaked toml for git repo https://github.com/codurance-apprenticeship/fizz-buzz-rust written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate git repo https://github.com/codurance-apprenticeship/fizz-buzz-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bcef16e435c037bccdeb922879797455a62c9a30960fba30e99ff04f2b58bd0e
[INFO] running `Command { std: "docker" "start" "-a" "bcef16e435c037bccdeb922879797455a62c9a30960fba30e99ff04f2b58bd0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcef16e435c037bccdeb922879797455a62c9a30960fba30e99ff04f2b58bd0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcef16e435c037bccdeb922879797455a62c9a30960fba30e99ff04f2b58bd0e", kill_on_drop: false }`
[INFO] [stdout] bcef16e435c037bccdeb922879797455a62c9a30960fba30e99ff04f2b58bd0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb3cc31c8061e23c1809797f375e2bb7c7482526784ef8798bccd06dbca82063
[INFO] running `Command { std: "docker" "start" "-a" "cb3cc31c8061e23c1809797f375e2bb7c7482526784ef8798bccd06dbca82063", kill_on_drop: false }`
[INFO] [stderr]    Compiling fizz-buzz-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "cb3cc31c8061e23c1809797f375e2bb7c7482526784ef8798bccd06dbca82063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb3cc31c8061e23c1809797f375e2bb7c7482526784ef8798bccd06dbca82063", kill_on_drop: false }`
[INFO] [stdout] cb3cc31c8061e23c1809797f375e2bb7c7482526784ef8798bccd06dbca82063
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2840866e6cfd6b003dd15ba00117ce729a47ff48b87b627044df88dfc4ed977
[INFO] running `Command { std: "docker" "start" "-a" "f2840866e6cfd6b003dd15ba00117ce729a47ff48b87b627044df88dfc4ed977", kill_on_drop: false }`
[INFO] [stderr]    Compiling fizz-buzz-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/fizz_buzz_rust-1307029575e9a25e)
[INFO] running `Command { std: "docker" "inspect" "f2840866e6cfd6b003dd15ba00117ce729a47ff48b87b627044df88dfc4ed977", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2840866e6cfd6b003dd15ba00117ce729a47ff48b87b627044df88dfc4ed977", kill_on_drop: false }`
[INFO] [stdout] f2840866e6cfd6b003dd15ba00117ce729a47ff48b87b627044df88dfc4ed977
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8b72b62a6cf00234be4b4f65f64502ed27358a89e45e7f131d8d19cba6db0ebd
[INFO] running `Command { std: "docker" "start" "-a" "8b72b62a6cf00234be4b4f65f64502ed27358a89e45e7f131d8d19cba6db0ebd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/fizz_buzz_rust-1307029575e9a25e)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8b72b62a6cf00234be4b4f65f64502ed27358a89e45e7f131d8d19cba6db0ebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b72b62a6cf00234be4b4f65f64502ed27358a89e45e7f131d8d19cba6db0ebd", kill_on_drop: false }`
[INFO] [stdout] 8b72b62a6cf00234be4b4f65f64502ed27358a89e45e7f131d8d19cba6db0ebd