[INFO] cloning repository https://github.com/likr-sandbox/mdsgd [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/likr-sandbox/mdsgd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flikr-sandbox%2Fmdsgd", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flikr-sandbox%2Fmdsgd'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fa8bd87d004c6332c1ec772f82c1efaecd3995c0 [INFO] checking likr-sandbox/mdsgd against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flikr-sandbox%2Fmdsgd" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/likr-sandbox/mdsgd on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/likr-sandbox/mdsgd [INFO] finished tweaking git repo https://github.com/likr-sandbox/mdsgd [INFO] tweaked toml for git repo https://github.com/likr-sandbox/mdsgd written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/likr-sandbox/mdsgd 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded fixedbitset v0.4.1 [INFO] [stderr] Downloaded ndarray-linalg v0.14.1 [INFO] [stderr] Downloaded cauchy v0.4.0 [INFO] [stderr] Downloaded lax v0.2.0 [INFO] [stderr] Downloaded cblas-sys v0.1.4 [INFO] [stderr] Downloaded num-complex v0.4.1 [INFO] [stderr] Downloaded openblas-build v0.1.1 [INFO] [stderr] Downloaded semver v1.0.9 [INFO] [stderr] Downloaded criterion v0.3.5 [INFO] [stderr] Downloaded ndarray v0.15.4 [INFO] [stderr] Downloaded cast v0.2.7 [INFO] [stderr] Downloaded criterion-plot v0.4.4 [INFO] [stderr] Downloaded plotters-backend v0.3.2 [INFO] [stderr] Downloaded plotters-svg v0.3.1 [INFO] [stderr] Downloaded serde_cbor v0.11.2 [INFO] [stderr] Downloaded lapack-sys v0.12.1 [INFO] [stderr] Downloaded lapack v0.18.0 [INFO] [stderr] Downloaded openblas-src v0.10.4 [INFO] [stderr] Downloaded plotters v0.3.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 64458c42c87a116f7ae734d847fa8edad9688728ad661f8a5fe82ae597d8c5cb [INFO] running `Command { std: "docker" "start" "-a" "64458c42c87a116f7ae734d847fa8edad9688728ad661f8a5fe82ae597d8c5cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "64458c42c87a116f7ae734d847fa8edad9688728ad661f8a5fe82ae597d8c5cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64458c42c87a116f7ae734d847fa8edad9688728ad661f8a5fe82ae597d8c5cb", kill_on_drop: false }` [INFO] [stdout] 64458c42c87a116f7ae734d847fa8edad9688728ad661f8a5fe82ae597d8c5cb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b61980c88d97182483b91a1cda4ce596467199a21577528f059c90f33993edae [INFO] running `Command { std: "docker" "start" "-a" "b61980c88d97182483b91a1cda4ce596467199a21577528f059c90f33993edae", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Compiling unicode-ident v1.0.0 [INFO] [stderr] Compiling syn v1.0.95 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling semver v1.0.9 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling crossbeam-epoch v0.9.8 [INFO] [stderr] Compiling dirs-sys v0.3.7 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking getrandom v0.2.6 [INFO] [stderr] Compiling dirs v3.0.2 [INFO] [stderr] Checking lapack-sys v0.12.1 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling indexmap v1.8.1 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Compiling rayon-core v1.9.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking approx v0.4.0 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking matrixmultiply v0.3.2 [INFO] [stderr] Checking cblas-sys v0.1.4 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking ryu v1.0.10 [INFO] [stderr] Compiling serde_json v1.0.81 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking crossbeam-channel v0.5.4 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Compiling rayon v1.5.3 [INFO] [stderr] Checking plotters-backend v0.3.2 [INFO] [stderr] Checking fixedbitset v0.4.1 [INFO] [stderr] Checking itoa v1.0.2 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Compiling serde_derive v1.0.137 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking plotters-svg v0.3.1 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking petgraph v0.6.0 [INFO] [stderr] Checking regex-syntax v0.6.26 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Checking num-complex v0.4.1 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking criterion-plot v0.4.4 [INFO] [stderr] Checking regex v1.5.6 [INFO] [stderr] Checking cauchy v0.4.0 [INFO] [stderr] Checking lapack v0.18.0 [INFO] [stderr] Checking ndarray v0.15.4 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Compiling thiserror-impl v1.0.31 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Compiling thiserror v1.0.31 [INFO] [stderr] Compiling openblas-build v0.1.1 [INFO] [stderr] Compiling openblas-src v0.10.4 [INFO] [stderr] Checking lax v0.2.0 [INFO] [stderr] Checking ndarray-linalg v0.14.1 [INFO] [stderr] Checking criterion v0.3.5 [INFO] [stderr] Checking mdsgd v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.63s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "b61980c88d97182483b91a1cda4ce596467199a21577528f059c90f33993edae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b61980c88d97182483b91a1cda4ce596467199a21577528f059c90f33993edae", kill_on_drop: false }` [INFO] [stdout] b61980c88d97182483b91a1cda4ce596467199a21577528f059c90f33993edae [INFO] checking likr-sandbox/mdsgd against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flikr-sandbox%2Fmdsgd" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/likr-sandbox/mdsgd on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/likr-sandbox/mdsgd [INFO] finished tweaking git repo https://github.com/likr-sandbox/mdsgd [INFO] tweaked toml for git repo https://github.com/likr-sandbox/mdsgd written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/likr-sandbox/mdsgd 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dc4b2444c0f0397bbbdee9f1b7942b9ea7faaa416ac0ee10d3ef53a1be998ea4 [INFO] running `Command { std: "docker" "start" "-a" "dc4b2444c0f0397bbbdee9f1b7942b9ea7faaa416ac0ee10d3ef53a1be998ea4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dc4b2444c0f0397bbbdee9f1b7942b9ea7faaa416ac0ee10d3ef53a1be998ea4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc4b2444c0f0397bbbdee9f1b7942b9ea7faaa416ac0ee10d3ef53a1be998ea4", kill_on_drop: false }` [INFO] [stdout] dc4b2444c0f0397bbbdee9f1b7942b9ea7faaa416ac0ee10d3ef53a1be998ea4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d496927786a787b3165732cff0e65b0baf08226296ec7de536fd992766bc3fd2 [INFO] running `Command { std: "docker" "start" "-a" "d496927786a787b3165732cff0e65b0baf08226296ec7de536fd992766bc3fd2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Compiling unicode-ident v1.0.0 [INFO] [stderr] Compiling syn v1.0.95 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling semver v1.0.9 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.8 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Compiling dirs-sys v0.3.7 [INFO] [stderr] Checking getrandom v0.2.6 [INFO] [stderr] Compiling dirs v3.0.2 [INFO] [stderr] Checking lapack-sys v0.12.1 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Compiling indexmap v1.8.1 [INFO] [stderr] Compiling rayon-core v1.9.3 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Checking matrixmultiply v0.3.2 [INFO] [stderr] Checking approx v0.4.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Checking cblas-sys v0.1.4 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling serde_json v1.0.81 [INFO] [stderr] Checking ryu v1.0.10 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking crossbeam-channel v0.5.4 [INFO] [stderr] Compiling rayon v1.5.3 [INFO] [stderr] Compiling serde_derive v1.0.137 [INFO] [stderr] Checking plotters-backend v0.3.2 [INFO] [stderr] Checking fixedbitset v0.4.1 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking itoa v1.0.2 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking plotters-svg v0.3.1 [INFO] [stderr] Checking petgraph v0.6.0 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking regex-syntax v0.6.26 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Checking num-complex v0.4.1 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking cauchy v0.4.0 [INFO] [stderr] Checking lapack v0.18.0 [INFO] [stderr] Checking ndarray v0.15.4 [INFO] [stderr] Compiling thiserror-impl v1.0.31 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion-plot v0.4.4 [INFO] [stderr] Checking regex v1.5.6 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Compiling thiserror v1.0.31 [INFO] [stderr] Compiling openblas-build v0.1.1 [INFO] [stderr] Compiling openblas-src v0.10.4 [INFO] [stderr] Checking lax v0.2.0 [INFO] [stderr] Checking ndarray-linalg v0.14.1 [INFO] [stderr] Checking criterion v0.3.5 [INFO] [stderr] Checking mdsgd v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.74s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "d496927786a787b3165732cff0e65b0baf08226296ec7de536fd992766bc3fd2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d496927786a787b3165732cff0e65b0baf08226296ec7de536fd992766bc3fd2", kill_on_drop: false }` [INFO] [stdout] d496927786a787b3165732cff0e65b0baf08226296ec7de536fd992766bc3fd2