[INFO] cloning repository https://github.com/davidedelpapa/rdatascience-tut1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davidedelpapa/rdatascience-tut1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidedelpapa%2Frdatascience-tut1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidedelpapa%2Frdatascience-tut1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2c7da312eeaf3c4670e14ffbb63f52da70afd137
[INFO] testing davidedelpapa/rdatascience-tut1 against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidedelpapa%2Frdatascience-tut1" "/workspace/builds/worker-63/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-63/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davidedelpapa/rdatascience-tut1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/davidedelpapa/rdatascience-tut1
[INFO] finished tweaking git repo https://github.com/davidedelpapa/rdatascience-tut1
[INFO] tweaked toml for git repo https://github.com/davidedelpapa/rdatascience-tut1 written to /workspace/builds/worker-63/source/Cargo.toml
[INFO] crate git repo https://github.com/davidedelpapa/rdatascience-tut1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded noisy_float v0.2.0
[INFO] [stderr]   Downloaded ndarray-rand v0.14.0
[INFO] [stderr]   Downloaded tagger v3.2.0
[INFO] [stderr]   Downloaded ndarray-stats v0.5.0
[INFO] [stderr]   Downloaded poloto v2.17.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11904eb2cb5e0449349642cf15a2ca5c294871feb6d11743cc63e2b115909a30
[INFO] running `Command { std: "docker" "start" "-a" "11904eb2cb5e0449349642cf15a2ca5c294871feb6d11743cc63e2b115909a30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11904eb2cb5e0449349642cf15a2ca5c294871feb6d11743cc63e2b115909a30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11904eb2cb5e0449349642cf15a2ca5c294871feb6d11743cc63e2b115909a30", kill_on_drop: false }`
[INFO] [stdout] 11904eb2cb5e0449349642cf15a2ca5c294871feb6d11743cc63e2b115909a30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9dc1cf647897544bd827b4faea8a716e91f95c1fb120b683a6fe7b9d6f8bf848
[INFO] running `Command { std: "docker" "start" "-a" "9dc1cf647897544bd827b4faea8a716e91f95c1fb120b683a6fe7b9d6f8bf848", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling tagger v3.2.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.1
[INFO] [stderr]    Compiling poloto v2.17.0
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling noisy_float v0.2.0
[INFO] [stderr]    Compiling ndarray v0.15.3
[INFO] [stderr]    Compiling rand_distr v0.4.1
[INFO] [stderr]    Compiling ndarray-rand v0.14.0
[INFO] [stderr]    Compiling ndarray-stats v0.5.0
[INFO] [stderr]    Compiling rdatascience-tut1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.86s
[INFO] running `Command { std: "docker" "inspect" "9dc1cf647897544bd827b4faea8a716e91f95c1fb120b683a6fe7b9d6f8bf848", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dc1cf647897544bd827b4faea8a716e91f95c1fb120b683a6fe7b9d6f8bf848", kill_on_drop: false }`
[INFO] [stdout] 9dc1cf647897544bd827b4faea8a716e91f95c1fb120b683a6fe7b9d6f8bf848
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a35c9a95cdd45bfe38d4ff98d633c12df0fab793bdce63c0cad5cdd0afe72d5
[INFO] running `Command { std: "docker" "start" "-a" "8a35c9a95cdd45bfe38d4ff98d633c12df0fab793bdce63c0cad5cdd0afe72d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rdatascience-tut1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "8a35c9a95cdd45bfe38d4ff98d633c12df0fab793bdce63c0cad5cdd0afe72d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a35c9a95cdd45bfe38d4ff98d633c12df0fab793bdce63c0cad5cdd0afe72d5", kill_on_drop: false }`
[INFO] [stdout] 8a35c9a95cdd45bfe38d4ff98d633c12df0fab793bdce63c0cad5cdd0afe72d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] da4bd31a1bb219aa7633bec3e6d14e4ee61b3dc0f96251be6f76393003f1c31c
[INFO] running `Command { std: "docker" "start" "-a" "da4bd31a1bb219aa7633bec3e6d14e4ee61b3dc0f96251be6f76393003f1c31c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rdatascience_tut1-89f234d78dca17c1)
[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" "da4bd31a1bb219aa7633bec3e6d14e4ee61b3dc0f96251be6f76393003f1c31c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da4bd31a1bb219aa7633bec3e6d14e4ee61b3dc0f96251be6f76393003f1c31c", kill_on_drop: false }`
[INFO] [stdout] da4bd31a1bb219aa7633bec3e6d14e4ee61b3dc0f96251be6f76393003f1c31c