[INFO] fetching crate karmarkar 0.5.0...
[INFO] testing karmarkar-0.5.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate karmarkar 0.5.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate karmarkar 0.5.0
[INFO] finished tweaking crates.io crate karmarkar 0.5.0
[INFO] tweaked toml for crates.io crate karmarkar 0.5.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate karmarkar 0.5.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate karmarkar 0.5.0 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded approx v0.3.2
[INFO] [stderr]   Downloaded num-complex v0.2.4
[INFO] [stderr]   Downloaded paste-impl v0.1.18
[INFO] [stderr]   Downloaded typenum v1.13.0
[INFO] [stderr]   Downloaded num-rational v0.2.4
[INFO] [stderr]   Downloaded generic-array v0.13.2
[INFO] [stderr]   Downloaded rand_distr v0.2.2
[INFO] [stderr]   Downloaded matrixmultiply v0.2.3
[INFO] [stderr]   Downloaded getrandom v0.1.15
[INFO] [stderr]   Downloaded simba v0.1.5
[INFO] [stderr]   Downloaded libm v0.2.1
[INFO] [stderr]   Downloaded paste v0.1.18
[INFO] [stderr]   Downloaded nalgebra v0.21.1
[INFO] [stderr]   Downloaded libc v0.2.80
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ab003fe52a45d5c9e3f741919585d12866fda825c8a319815c1efa84701c2bc
[INFO] running `Command { std: "docker" "start" "-a" "8ab003fe52a45d5c9e3f741919585d12866fda825c8a319815c1efa84701c2bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ab003fe52a45d5c9e3f741919585d12866fda825c8a319815c1efa84701c2bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ab003fe52a45d5c9e3f741919585d12866fda825c8a319815c1efa84701c2bc", kill_on_drop: false }`
[INFO] [stdout] 8ab003fe52a45d5c9e3f741919585d12866fda825c8a319815c1efa84701c2bc
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 979e305e3cd9c8acdb7a0f8338ccb1304007f7c79b614bf06849d7263b5b3724
[INFO] running `Command { std: "docker" "start" "-a" "979e305e3cd9c8acdb7a0f8338ccb1304007f7c79b614bf06849d7263b5b3724", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling generic-array v0.13.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling paste v0.1.18
[INFO] [stderr]    Compiling simba v0.1.5
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling nalgebra v0.21.1
[INFO] [stderr]    Compiling karmarkar v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.93s
[INFO] running `Command { std: "docker" "inspect" "979e305e3cd9c8acdb7a0f8338ccb1304007f7c79b614bf06849d7263b5b3724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "979e305e3cd9c8acdb7a0f8338ccb1304007f7c79b614bf06849d7263b5b3724", kill_on_drop: false }`
[INFO] [stdout] 979e305e3cd9c8acdb7a0f8338ccb1304007f7c79b614bf06849d7263b5b3724
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81ef031b5363fe1ce3bb04e8be09cbf2ff07df990be07d5bbdc800175da93672
[INFO] running `Command { std: "docker" "start" "-a" "81ef031b5363fe1ce3bb04e8be09cbf2ff07df990be07d5bbdc800175da93672", kill_on_drop: false }`
[INFO] [stderr]    Compiling karmarkar v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "81ef031b5363fe1ce3bb04e8be09cbf2ff07df990be07d5bbdc800175da93672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81ef031b5363fe1ce3bb04e8be09cbf2ff07df990be07d5bbdc800175da93672", kill_on_drop: false }`
[INFO] [stdout] 81ef031b5363fe1ce3bb04e8be09cbf2ff07df990be07d5bbdc800175da93672
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d86a6ed9b41ab2c9698a776fe1374161479d4a024b01a520fd6f82b5d04ccfd6
[INFO] running `Command { std: "docker" "start" "-a" "d86a6ed9b41ab2c9698a776fe1374161479d4a024b01a520fd6f82b5d04ccfd6", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/karmarkar-d4e20fb1dc0e0062)
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests karmarkar
[INFO] [stdout] test karmarkar::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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" "d86a6ed9b41ab2c9698a776fe1374161479d4a024b01a520fd6f82b5d04ccfd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d86a6ed9b41ab2c9698a776fe1374161479d4a024b01a520fd6f82b5d04ccfd6", kill_on_drop: false }`
[INFO] [stdout] d86a6ed9b41ab2c9698a776fe1374161479d4a024b01a520fd6f82b5d04ccfd6