[INFO] updating cached repository https://github.com/lecorref/linear_regression [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b93ba93bfdabf0c34cb96a29305320003da5bda4 [INFO] testing lecorref/linear_regression against beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flecorref%2Flinear_regression" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lecorref/linear_regression on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/lecorref/linear_regression [INFO] finished tweaking git repo https://github.com/lecorref/linear_regression [INFO] tweaked toml for git repo https://github.com/lecorref/linear_regression written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/lecorref/linear_regression already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] error: the lock file /workspace/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fb8ca7ebe20df2c0d07ae3ded5f329905025638b02f6e6b8b846b24c28c7b910 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "fb8ca7ebe20df2c0d07ae3ded5f329905025638b02f6e6b8b846b24c28c7b910", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fb8ca7ebe20df2c0d07ae3ded5f329905025638b02f6e6b8b846b24c28c7b910", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb8ca7ebe20df2c0d07ae3ded5f329905025638b02f6e6b8b846b24c28c7b910", kill_on_drop: false }` [INFO] [stdout] fb8ca7ebe20df2c0d07ae3ded5f329905025638b02f6e6b8b846b24c28c7b910 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 64c4c596b473b08fa0679584b5700b73b384b40b11128f59d51e7c95db92f1d1 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "64c4c596b473b08fa0679584b5700b73b384b40b11128f59d51e7c95db92f1d1", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling csv v0.14.7 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap v2.33.2 [INFO] [stderr] Compiling linear_regression v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stdout] --> src/train.rs:16:28 [INFO] [stdout] | [INFO] [stdout] 16 | ... Error::description(&why)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stdout] --> src/train.rs:23:20 [INFO] [stdout] | [INFO] [stdout] 23 | Error::description(&why)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 16.35s [INFO] running `Command { std: "docker" "inspect" "64c4c596b473b08fa0679584b5700b73b384b40b11128f59d51e7c95db92f1d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64c4c596b473b08fa0679584b5700b73b384b40b11128f59d51e7c95db92f1d1", kill_on_drop: false }` [INFO] [stdout] 64c4c596b473b08fa0679584b5700b73b384b40b11128f59d51e7c95db92f1d1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0497911bf8e2a314d807c259df93da42700c9c3b9261600589949ae8152236ba [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "0497911bf8e2a314d807c259df93da42700c9c3b9261600589949ae8152236ba", kill_on_drop: false }` [INFO] [stderr] Compiling linear_regression v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stdout] --> src/train.rs:16:28 [INFO] [stdout] | [INFO] [stdout] 16 | ... Error::description(&why)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stdout] --> src/train.rs:23:20 [INFO] [stdout] | [INFO] [stdout] 23 | Error::description(&why)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.26s [INFO] running `Command { std: "docker" "inspect" "0497911bf8e2a314d807c259df93da42700c9c3b9261600589949ae8152236ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0497911bf8e2a314d807c259df93da42700c9c3b9261600589949ae8152236ba", kill_on_drop: false }` [INFO] [stdout] 0497911bf8e2a314d807c259df93da42700c9c3b9261600589949ae8152236ba [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b45ea3dff43938819fb37111835d83a4b11472018acd0989503cec11450d2200 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "b45ea3dff43938819fb37111835d83a4b11472018acd0989503cec11450d2200", kill_on_drop: false }` [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/train.rs:16:28 [INFO] [stderr] | [INFO] [stderr] 16 | ... Error::description(&why)), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/train.rs:23:20 [INFO] [stderr] | [INFO] [stderr] 23 | Error::description(&why)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.15s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/predict-1b005876144bc548 [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 [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/train-2eeb68f06bb5f3d0 [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 [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b45ea3dff43938819fb37111835d83a4b11472018acd0989503cec11450d2200", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b45ea3dff43938819fb37111835d83a4b11472018acd0989503cec11450d2200", kill_on_drop: false }` [INFO] [stdout] b45ea3dff43938819fb37111835d83a4b11472018acd0989503cec11450d2200