[INFO] cloning repository https://github.com/fredhsu/coursera-ml
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fredhsu/coursera-ml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffredhsu%2Fcoursera-ml", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffredhsu%2Fcoursera-ml'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d2e8ed064fc6f7f16bf0c840d35d88ee24e097ab
[INFO] testing fredhsu/coursera-ml against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffredhsu%2Fcoursera-ml" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fredhsu/coursera-ml on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fredhsu/coursera-ml
[INFO] finished tweaking git repo https://github.com/fredhsu/coursera-ml
[INFO] tweaked toml for git repo https://github.com/fredhsu/coursera-ml written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/fredhsu/coursera-ml already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] testing fredhsu/coursera-ml against beta-2023-12-22 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffredhsu%2Fcoursera-ml" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fredhsu/coursera-ml on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fredhsu/coursera-ml
[INFO] finished tweaking git repo https://github.com/fredhsu/coursera-ml
[INFO] tweaked toml for git repo https://github.com/fredhsu/coursera-ml written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/fredhsu/coursera-ml already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4537c5a7faeb57a46118a3a63f0456904f36337fad5eb41ea730e5a208442e9
[INFO] running `Command { std: "docker" "start" "-a" "a4537c5a7faeb57a46118a3a63f0456904f36337fad5eb41ea730e5a208442e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4537c5a7faeb57a46118a3a63f0456904f36337fad5eb41ea730e5a208442e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4537c5a7faeb57a46118a3a63f0456904f36337fad5eb41ea730e5a208442e9", kill_on_drop: false }`
[INFO] [stdout] a4537c5a7faeb57a46118a3a63f0456904f36337fad5eb41ea730e5a208442e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa6fd04ad829cf66852222149f8d01413f8c4977d6c84b4785baf3db7cd528a2
[INFO] running `Command { std: "docker" "start" "-a" "fa6fd04ad829cf66852222149f8d01413f8c4977d6c84b4785baf3db7cd528a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling simd-adler32 v0.3.5
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling font-kit v0.11.0
[INFO] [stderr]    Compiling plotters-backend v0.3.4
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling fdeflate v0.3.0
[INFO] [stderr]    Compiling dlib v0.5.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling weezl v0.1.7
[INFO] [stderr]    Compiling const-cstr v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling jpeg-decoder v0.3.0
[INFO] [stderr]    Compiling bytemuck v1.13.1
[INFO] [stderr]    Compiling walkdir v2.3.3
[INFO] [stderr]    Compiling iana-time-zone v0.1.56
[INFO] [stderr]    Compiling float-ord v0.2.0
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]    Compiling yeslogic-fontconfig-sys v3.2.0
[INFO] [stderr]    Compiling flate2 v1.0.26
[INFO] [stderr]    Compiling gif v0.11.4
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling plotters-svg v0.3.3
[INFO] [stderr]    Compiling ttf-parser v0.15.2
[INFO] [stderr]    Compiling png v0.17.8
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling freetype-sys v0.13.1
[INFO] [stderr]    Compiling freetype v0.7.0
[INFO] [stderr]    Compiling chrono v0.4.24
[INFO] [stderr]    Compiling image v0.24.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling plotters-bitmap v0.3.2
[INFO] [stderr]    Compiling pest v2.6.0
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling pathfinder_simd v0.5.1
[INFO] [stderr]    Compiling pathfinder_geometry v0.5.1
[INFO] [stderr]    Compiling plotters v0.3.4
[INFO] [stderr]    Compiling coursera-ml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.14s
[INFO] running `Command { std: "docker" "inspect" "fa6fd04ad829cf66852222149f8d01413f8c4977d6c84b4785baf3db7cd528a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa6fd04ad829cf66852222149f8d01413f8c4977d6c84b4785baf3db7cd528a2", kill_on_drop: false }`
[INFO] [stdout] fa6fd04ad829cf66852222149f8d01413f8c4977d6c84b4785baf3db7cd528a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29c508c8def922df5f14aeaf50f7e451e7fa7670173880a3cd8cd4b6a9fb6311
[INFO] running `Command { std: "docker" "start" "-a" "29c508c8def922df5f14aeaf50f7e451e7fa7670173880a3cd8cd4b6a9fb6311", kill_on_drop: false }`
[INFO] [stderr]    Compiling coursera-ml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "29c508c8def922df5f14aeaf50f7e451e7fa7670173880a3cd8cd4b6a9fb6311", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29c508c8def922df5f14aeaf50f7e451e7fa7670173880a3cd8cd4b6a9fb6311", kill_on_drop: false }`
[INFO] [stdout] 29c508c8def922df5f14aeaf50f7e451e7fa7670173880a3cd8cd4b6a9fb6311
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e464dace8c393415200e8878d3b126e2b43519c3d658a31828014775510d150b
[INFO] running `Command { std: "docker" "start" "-a" "e464dace8c393415200e8878d3b126e2b43519c3d658a31828014775510d150b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/coursera_ml-7bdfcb1e33fdef3a)
[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" "e464dace8c393415200e8878d3b126e2b43519c3d658a31828014775510d150b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e464dace8c393415200e8878d3b126e2b43519c3d658a31828014775510d150b", kill_on_drop: false }`
[INFO] [stdout] e464dace8c393415200e8878d3b126e2b43519c3d658a31828014775510d150b
