[INFO] cloning repository https://github.com/egonik-unlp/bilinear
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/egonik-unlp/bilinear" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fegonik-unlp%2Fbilinear", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fegonik-unlp%2Fbilinear'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dcf23df45e5e4639a08acf3829c49d7d6a7986ed
[INFO] checking egonik-unlp/bilinear against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fegonik-unlp%2Fbilinear" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/egonik-unlp/bilinear 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/egonik-unlp/bilinear
[INFO] finished tweaking git repo https://github.com/egonik-unlp/bilinear
[INFO] tweaked toml for git repo https://github.com/egonik-unlp/bilinear written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/egonik-unlp/bilinear 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 slog-async v2.7.0
[INFO] [stderr]   Downloaded ndarray-csv v0.5.1
[INFO] [stderr]   Downloaded linfa-linalg v0.1.0
[INFO] [stderr]   Downloaded linfa-linear v0.6.1
[INFO] [stderr]   Downloaded linfa-datasets v0.6.1
[INFO] [stderr]   Downloaded slog-term v2.9.0
[INFO] [stderr]   Downloaded linfa v0.6.1
[INFO] [stderr]   Downloaded argmin v0.4.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d228a7bb2680b2328a18a85185807b58b600cc6b9efd06ac47d1691d11914774
[INFO] running `Command { std: "docker" "start" "-a" "d228a7bb2680b2328a18a85185807b58b600cc6b9efd06ac47d1691d11914774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d228a7bb2680b2328a18a85185807b58b600cc6b9efd06ac47d1691d11914774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d228a7bb2680b2328a18a85185807b58b600cc6b9efd06ac47d1691d11914774", kill_on_drop: false }`
[INFO] [stdout] d228a7bb2680b2328a18a85185807b58b600cc6b9efd06ac47d1691d11914774
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9e4d65637c1e4adc8481f08ee2a99d3acf18bbeafee9ff29ff589965be976aee
[INFO] running `Command { std: "docker" "start" "-a" "9e4d65637c1e4adc8481f08ee2a99d3acf18bbeafee9ff29ff589965be976aee", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling serde v1.0.175
[INFO] [stderr]    Compiling serde_derive v1.0.175
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling matrixmultiply v0.3.7
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling time-core v0.1.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]    Compiling serde_json v1.0.103
[INFO] [stderr]    Compiling time-macros v0.2.10
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]    Compiling slog-async v2.7.0
[INFO] [stderr]    Compiling linfa v0.6.1
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking time v0.3.23
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]     Checking slog-term v2.9.0
[INFO] [stderr]     Checking num-rational v0.4.1
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking csv v1.2.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking slog-json v2.6.1
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking ndarray-rand v0.14.0
[INFO] [stderr]     Checking linfa-linalg v0.1.0
[INFO] [stderr]     Checking ndarray-csv v0.5.1
[INFO] [stderr]     Checking argmin v0.4.7
[INFO] [stderr]     Checking linfa-datasets v0.6.1
[INFO] [stderr]     Checking linfa-linear v0.6.1
[INFO] [stderr]     Checking bilinear v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.40s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: argmin v0.4.7
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "9e4d65637c1e4adc8481f08ee2a99d3acf18bbeafee9ff29ff589965be976aee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e4d65637c1e4adc8481f08ee2a99d3acf18bbeafee9ff29ff589965be976aee", kill_on_drop: false }`
[INFO] [stdout] 9e4d65637c1e4adc8481f08ee2a99d3acf18bbeafee9ff29ff589965be976aee
[INFO] checking egonik-unlp/bilinear against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fegonik-unlp%2Fbilinear" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/egonik-unlp/bilinear 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/egonik-unlp/bilinear
[INFO] finished tweaking git repo https://github.com/egonik-unlp/bilinear
[INFO] tweaked toml for git repo https://github.com/egonik-unlp/bilinear written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/egonik-unlp/bilinear 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 39e29be66b086a8111c9480b0fe98f9ccd76149d726c686e4ff6612360c7e801
[INFO] running `Command { std: "docker" "start" "-a" "39e29be66b086a8111c9480b0fe98f9ccd76149d726c686e4ff6612360c7e801", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39e29be66b086a8111c9480b0fe98f9ccd76149d726c686e4ff6612360c7e801", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39e29be66b086a8111c9480b0fe98f9ccd76149d726c686e4ff6612360c7e801", kill_on_drop: false }`
[INFO] [stdout] 39e29be66b086a8111c9480b0fe98f9ccd76149d726c686e4ff6612360c7e801
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 559f8d21a9e61f8bb08e9578b03d7640217937ce43ba3eb416ea29818fac603b
[INFO] running `Command { std: "docker" "start" "-a" "559f8d21a9e61f8bb08e9578b03d7640217937ce43ba3eb416ea29818fac603b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling serde v1.0.175
[INFO] [stderr]    Compiling serde_derive v1.0.175
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling matrixmultiply v0.3.7
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling time-core v0.1.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling serde_json v1.0.103
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]    Compiling time-macros v0.2.10
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]    Compiling slog-async v2.7.0
[INFO] [stderr]    Compiling linfa v0.6.1
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking time v0.3.23
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]     Checking slog-term v2.9.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking csv v1.2.2
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking num-rational v0.4.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking slog-json v2.6.1
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking ndarray-rand v0.14.0
[INFO] [stderr]     Checking ndarray-csv v0.5.1
[INFO] [stderr]     Checking linfa-linalg v0.1.0
[INFO] [stderr]     Checking argmin v0.4.7
[INFO] [stderr]     Checking linfa-datasets v0.6.1
[INFO] [stderr]     Checking linfa-linear v0.6.1
[INFO] [stderr]     Checking bilinear v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.17s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: argmin v0.4.7
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "559f8d21a9e61f8bb08e9578b03d7640217937ce43ba3eb416ea29818fac603b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "559f8d21a9e61f8bb08e9578b03d7640217937ce43ba3eb416ea29818fac603b", kill_on_drop: false }`
[INFO] [stdout] 559f8d21a9e61f8bb08e9578b03d7640217937ce43ba3eb416ea29818fac603b