[INFO] cloning repository https://github.com/Grokmoo/rusolve
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Grokmoo/rusolve" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGrokmoo%2Frusolve", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGrokmoo%2Frusolve'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a9ec37dc58f791af2c59ae318b8fcecd8bcdd90f
[INFO] building Grokmoo/rusolve against try#615edd3ad1cf6871c977dc900317cb6c2070fd6b for pr-97334
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGrokmoo%2Frusolve" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Grokmoo/rusolve on toolchain 615edd3ad1cf6871c977dc900317cb6c2070fd6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Grokmoo/rusolve
[INFO] finished tweaking git repo https://github.com/Grokmoo/rusolve
[INFO] tweaked toml for git repo https://github.com/Grokmoo/rusolve written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Grokmoo/rusolve already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d17d4fa3ac48ff59e5a67badc72fbe399722e3923dc09415dbb6c1088d07b77
[INFO] running `Command { std: "docker" "start" "-a" "4d17d4fa3ac48ff59e5a67badc72fbe399722e3923dc09415dbb6c1088d07b77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d17d4fa3ac48ff59e5a67badc72fbe399722e3923dc09415dbb6c1088d07b77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d17d4fa3ac48ff59e5a67badc72fbe399722e3923dc09415dbb6c1088d07b77", kill_on_drop: false }`
[INFO] [stdout] 4d17d4fa3ac48ff59e5a67badc72fbe399722e3923dc09415dbb6c1088d07b77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe49b7f5a42fabe89192c7b1bb204e93d24e03dddd087ad2a7ae00c4d6e9a82d
[INFO] running `Command { std: "docker" "start" "-a" "fe49b7f5a42fabe89192c7b1bb204e93d24e03dddd087ad2a7ae00c4d6e9a82d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling rusolve v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.22s
[INFO] running `Command { std: "docker" "inspect" "fe49b7f5a42fabe89192c7b1bb204e93d24e03dddd087ad2a7ae00c4d6e9a82d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe49b7f5a42fabe89192c7b1bb204e93d24e03dddd087ad2a7ae00c4d6e9a82d", kill_on_drop: false }`
[INFO] [stdout] fe49b7f5a42fabe89192c7b1bb204e93d24e03dddd087ad2a7ae00c4d6e9a82d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e190f9177a3037abcd10e86921e10dd0a59d5888420d9d93506f5f4e72f1c786
[INFO] running `Command { std: "docker" "start" "-a" "e190f9177a3037abcd10e86921e10dd0a59d5888420d9d93506f5f4e72f1c786", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling aho-corasick v0.7.8
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling rusolve v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.16s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/rusolve-e0f7581238826b10)
[INFO] [stderr]   Executable tests/brute.rs (/opt/rustwide/target/debug/deps/brute-e73f0c6a7370e388)
[INFO] [stderr]   Executable tests/common.rs (/opt/rustwide/target/debug/deps/common-dd061d176c32c901)
[INFO] [stderr]   Executable tests/gaussian_elimination.rs (/opt/rustwide/target/debug/deps/gaussian_elimination-6a7e26a2bdcd616b)
[INFO] [stderr]   Executable tests/simplex.rs (/opt/rustwide/target/debug/deps/simplex-5866105c0fd96332)
[INFO] running `Command { std: "docker" "inspect" "e190f9177a3037abcd10e86921e10dd0a59d5888420d9d93506f5f4e72f1c786", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e190f9177a3037abcd10e86921e10dd0a59d5888420d9d93506f5f4e72f1c786", kill_on_drop: false }`
[INFO] [stdout] e190f9177a3037abcd10e86921e10dd0a59d5888420d9d93506f5f4e72f1c786