[INFO] cloning repository https://github.com/TinyTinni/student_assignment
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TinyTinni/student_assignment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTinyTinni%2Fstudent_assignment", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTinyTinni%2Fstudent_assignment'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7ab687da626475580f4db8b2e4b50ca54bda48ad
[INFO] testing TinyTinni/student_assignment against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTinyTinni%2Fstudent_assignment" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TinyTinni/student_assignment on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TinyTinni/student_assignment
[INFO] finished tweaking git repo https://github.com/TinyTinni/student_assignment
[INFO] tweaked toml for git repo https://github.com/TinyTinni/student_assignment written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/TinyTinni/student_assignment already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (z3) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: unused manifest key: target.cfg(unix).dependencies.z3.z3
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded z3 v0.6.0
[INFO] [stderr]   Downloaded z3-sys v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9692a91a4c4738ccf3289ed049205c864fb53fee58ba150a37618b4e12a09386
[INFO] running `Command { std: "docker" "start" "-a" "9692a91a4c4738ccf3289ed049205c864fb53fee58ba150a37618b4e12a09386", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9692a91a4c4738ccf3289ed049205c864fb53fee58ba150a37618b4e12a09386", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9692a91a4c4738ccf3289ed049205c864fb53fee58ba150a37618b4e12a09386", kill_on_drop: false }`
[INFO] [stdout] 9692a91a4c4738ccf3289ed049205c864fb53fee58ba150a37618b4e12a09386
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71e0e3a11564ecf9a211be89495086b536ff14fd1a2f0605dbb05ceedd1c703f
[INFO] running `Command { std: "docker" "start" "-a" "71e0e3a11564ecf9a211be89495086b536ff14fd1a2f0605dbb05ceedd1c703f", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (z3) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: unused manifest key: target.cfg(unix).dependencies.z3.z3
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling z3-sys v0.6.2
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling z3 v0.6.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.9
[INFO] [stderr]    Compiling structopt v0.3.16
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling student_assignment-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.86s
[INFO] running `Command { std: "docker" "inspect" "71e0e3a11564ecf9a211be89495086b536ff14fd1a2f0605dbb05ceedd1c703f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71e0e3a11564ecf9a211be89495086b536ff14fd1a2f0605dbb05ceedd1c703f", kill_on_drop: false }`
[INFO] [stdout] 71e0e3a11564ecf9a211be89495086b536ff14fd1a2f0605dbb05ceedd1c703f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7b0c5ff56320c0d739b8447d1a987856b5caec73d7fa65f5bd83852e2badc56
[INFO] running `Command { std: "docker" "start" "-a" "b7b0c5ff56320c0d739b8447d1a987856b5caec73d7fa65f5bd83852e2badc56", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (z3) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: unused manifest key: target.cfg(unix).dependencies.z3.z3
[INFO] [stderr]    Compiling student_assignment-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `Command { std: "docker" "inspect" "b7b0c5ff56320c0d739b8447d1a987856b5caec73d7fa65f5bd83852e2badc56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7b0c5ff56320c0d739b8447d1a987856b5caec73d7fa65f5bd83852e2badc56", kill_on_drop: false }`
[INFO] [stdout] b7b0c5ff56320c0d739b8447d1a987856b5caec73d7fa65f5bd83852e2badc56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fe35518152931a331e932153d584ef63e906f4429047f637408497dcd83865b7
[INFO] running `Command { std: "docker" "start" "-a" "fe35518152931a331e932153d584ef63e906f4429047f637408497dcd83865b7", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (z3) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: unused manifest key: target.cfg(unix).dependencies.z3.z3
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.67s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/student_assignment_rs-89c63939fa19a7b9)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::full_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fe35518152931a331e932153d584ef63e906f4429047f637408497dcd83865b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe35518152931a331e932153d584ef63e906f4429047f637408497dcd83865b7", kill_on_drop: false }`
[INFO] [stdout] fe35518152931a331e932153d584ef63e906f4429047f637408497dcd83865b7
