[INFO] cloning repository https://github.com/ruiramos/rust-book-exercises
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ruiramos/rust-book-exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruiramos%2Frust-book-exercises", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruiramos%2Frust-book-exercises'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dbe8092108e6e0e73d42620714b15de4e7496922
[INFO] testing ruiramos/rust-book-exercises 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%2Fruiramos%2Frust-book-exercises" "/workspace/builds/worker-116/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-116/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ruiramos/rust-book-exercises 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/ruiramos/rust-book-exercises
[INFO] finished tweaking git repo https://github.com/ruiramos/rust-book-exercises
[INFO] tweaked toml for git repo https://github.com/ruiramos/rust-book-exercises written to /workspace/builds/worker-116/source/Cargo.toml
[INFO] crate git repo https://github.com/ruiramos/rust-book-exercises 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-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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] 047982bd8d284a0a20d89c1828f7aacc2781a747e8436bf39c138eedac9404d0
[INFO] running `Command { std: "docker" "start" "-a" "047982bd8d284a0a20d89c1828f7aacc2781a747e8436bf39c138eedac9404d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "047982bd8d284a0a20d89c1828f7aacc2781a747e8436bf39c138eedac9404d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "047982bd8d284a0a20d89c1828f7aacc2781a747e8436bf39c138eedac9404d0", kill_on_drop: false }`
[INFO] [stdout] 047982bd8d284a0a20d89c1828f7aacc2781a747e8436bf39c138eedac9404d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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] bc3f715c24fb98de09f40c5e81b456708dd2db6102f7b6832cd2ac3d9561e108
[INFO] running `Command { std: "docker" "start" "-a" "bc3f715c24fb98de09f40c5e81b456708dd2db6102f7b6832cd2ac3d9561e108", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rust-book-exercises v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 19s
[INFO] running `Command { std: "docker" "inspect" "bc3f715c24fb98de09f40c5e81b456708dd2db6102f7b6832cd2ac3d9561e108", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc3f715c24fb98de09f40c5e81b456708dd2db6102f7b6832cd2ac3d9561e108", kill_on_drop: false }`
[INFO] [stdout] bc3f715c24fb98de09f40c5e81b456708dd2db6102f7b6832cd2ac3d9561e108
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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] b6f8ad0ae35990f9e2e8697b4f2fd25f0c84cb35b4eff95f2d6dde640bbaed3e
[INFO] running `Command { std: "docker" "start" "-a" "b6f8ad0ae35990f9e2e8697b4f2fd25f0c84cb35b4eff95f2d6dde640bbaed3e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-book-exercises v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.99s
[INFO] [stderr]   Executable unittests src/bin/ex1.rs (/opt/rustwide/target/debug/deps/ex1-1a998ac24d287fc7)
[INFO] [stderr]   Executable unittests src/bin/ex2.rs (/opt/rustwide/target/debug/deps/ex2-14eb70f506140084)
[INFO] [stderr]   Executable unittests src/bin/ex3.rs (/opt/rustwide/target/debug/deps/ex3-1d2cb9ea2d70c4ee)
[INFO] [stderr]   Executable unittests src/bin/main.rs (/opt/rustwide/target/debug/deps/main-0612abb15fc94900)
[INFO] running `Command { std: "docker" "inspect" "b6f8ad0ae35990f9e2e8697b4f2fd25f0c84cb35b4eff95f2d6dde640bbaed3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6f8ad0ae35990f9e2e8697b4f2fd25f0c84cb35b4eff95f2d6dde640bbaed3e", kill_on_drop: false }`
[INFO] [stdout] b6f8ad0ae35990f9e2e8697b4f2fd25f0c84cb35b4eff95f2d6dde640bbaed3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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] cb99b9a9641e4f41f3721f6e114706fc896a1abc0f46e916eec7dc3856f06764
[INFO] running `Command { std: "docker" "start" "-a" "cb99b9a9641e4f41f3721f6e114706fc896a1abc0f46e916eec7dc3856f06764", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.31s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/ex1.rs (/opt/rustwide/target/debug/deps/ex1-1a998ac24d287fc7)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/bin/ex2.rs (/opt/rustwide/target/debug/deps/ex2-14eb70f506140084)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/ex3.rs (/opt/rustwide/target/debug/deps/ex3-1d2cb9ea2d70c4ee)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]      Running unittests src/bin/main.rs (/opt/rustwide/target/debug/deps/main-0612abb15fc94900)
[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; finished in 0.00s
[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; finished in 0.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cb99b9a9641e4f41f3721f6e114706fc896a1abc0f46e916eec7dc3856f06764", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb99b9a9641e4f41f3721f6e114706fc896a1abc0f46e916eec7dc3856f06764", kill_on_drop: false }`
[INFO] [stdout] cb99b9a9641e4f41f3721f6e114706fc896a1abc0f46e916eec7dc3856f06764