[INFO] cloning repository https://github.com/antoniovizuete/rust-exercises
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/antoniovizuete/rust-exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantoniovizuete%2Frust-exercises", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantoniovizuete%2Frust-exercises'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 00bc81c4e9efa735164c496a3231383d36937acb
[INFO] testing antoniovizuete/rust-exercises against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantoniovizuete%2Frust-exercises" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/antoniovizuete/rust-exercises on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/antoniovizuete/rust-exercises
[INFO] finished tweaking git repo https://github.com/antoniovizuete/rust-exercises
[INFO] tweaked toml for git repo https://github.com/antoniovizuete/rust-exercises written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/antoniovizuete/rust-exercises already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ed1519928ed495569a2aabef4a20c5d80a8b5e88f7577643176c31e5f3730b1
[INFO] running `Command { std: "docker" "start" "-a" "3ed1519928ed495569a2aabef4a20c5d80a8b5e88f7577643176c31e5f3730b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ed1519928ed495569a2aabef4a20c5d80a8b5e88f7577643176c31e5f3730b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ed1519928ed495569a2aabef4a20c5d80a8b5e88f7577643176c31e5f3730b1", kill_on_drop: false }`
[INFO] [stdout] 3ed1519928ed495569a2aabef4a20c5d80a8b5e88f7577643176c31e5f3730b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e14933d4ab8e29b6c38bf548e0d428c50eff5f89a4b809545a507f610a1a5177
[INFO] running `Command { std: "docker" "start" "-a" "e14933d4ab8e29b6c38bf548e0d428c50eff5f89a4b809545a507f610a1a5177", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling excercise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `Command { std: "docker" "inspect" "e14933d4ab8e29b6c38bf548e0d428c50eff5f89a4b809545a507f610a1a5177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e14933d4ab8e29b6c38bf548e0d428c50eff5f89a4b809545a507f610a1a5177", kill_on_drop: false }`
[INFO] [stdout] e14933d4ab8e29b6c38bf548e0d428c50eff5f89a4b809545a507f610a1a5177
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30a063108b3b704a8809815624a17cd9e6ed40f72ebe37e020dbfbe04ceb75a5
[INFO] running `Command { std: "docker" "start" "-a" "30a063108b3b704a8809815624a17cd9e6ed40f72ebe37e020dbfbe04ceb75a5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling excercise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.31s
[INFO] running `Command { std: "docker" "inspect" "30a063108b3b704a8809815624a17cd9e6ed40f72ebe37e020dbfbe04ceb75a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30a063108b3b704a8809815624a17cd9e6ed40f72ebe37e020dbfbe04ceb75a5", kill_on_drop: false }`
[INFO] [stdout] 30a063108b3b704a8809815624a17cd9e6ed40f72ebe37e020dbfbe04ceb75a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4882d12eb4926db10238a1f616f1a82c5a51585f17fa7b04d9cb10e2d7bcf895
[INFO] running `Command { std: "docker" "start" "-a" "4882d12eb4926db10238a1f616f1a82c5a51585f17fa7b04d9cb10e2d7bcf895", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/excercise-67c211448d6d9ea3)
[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" "4882d12eb4926db10238a1f616f1a82c5a51585f17fa7b04d9cb10e2d7bcf895", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4882d12eb4926db10238a1f616f1a82c5a51585f17fa7b04d9cb10e2d7bcf895", kill_on_drop: false }`
[INFO] [stdout] 4882d12eb4926db10238a1f616f1a82c5a51585f17fa7b04d9cb10e2d7bcf895