[INFO] fetching crate linprog 0.3.1...
[INFO] testing linprog-0.3.1 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate linprog 0.3.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate linprog 0.3.1 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate linprog 0.3.1
[INFO] finished tweaking crates.io crate linprog 0.3.1
[INFO] tweaked toml for crates.io crate linprog 0.3.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8edfd829cfeaec3ddbbeaa50e337d9dbec8fe67fafefe7d3918e458b4a799228
[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" "8edfd829cfeaec3ddbbeaa50e337d9dbec8fe67fafefe7d3918e458b4a799228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8edfd829cfeaec3ddbbeaa50e337d9dbec8fe67fafefe7d3918e458b4a799228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8edfd829cfeaec3ddbbeaa50e337d9dbec8fe67fafefe7d3918e458b4a799228", kill_on_drop: false }`
[INFO] [stdout] 8edfd829cfeaec3ddbbeaa50e337d9dbec8fe67fafefe7d3918e458b4a799228
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 364f6565586dd355bb076e700a34b1162d0648ca16720c32b998b7209c94048c
[INFO] running `Command { std: "docker" "start" "-a" "364f6565586dd355bb076e700a34b1162d0648ca16720c32b998b7209c94048c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling uuid v0.4.0
[INFO] [stderr]    Compiling linprog v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.26s
[INFO] running `Command { std: "docker" "inspect" "364f6565586dd355bb076e700a34b1162d0648ca16720c32b998b7209c94048c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "364f6565586dd355bb076e700a34b1162d0648ca16720c32b998b7209c94048c", kill_on_drop: false }`
[INFO] [stdout] 364f6565586dd355bb076e700a34b1162d0648ca16720c32b998b7209c94048c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9791800af8f0eac419fdecbd5cc417f827e6b439c1165bbaecc735db1bedde7
[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" "b9791800af8f0eac419fdecbd5cc417f827e6b439c1165bbaecc735db1bedde7", kill_on_drop: false }`
[INFO] [stderr]    Compiling linprog v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.06s
[INFO] running `Command { std: "docker" "inspect" "b9791800af8f0eac419fdecbd5cc417f827e6b439c1165bbaecc735db1bedde7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9791800af8f0eac419fdecbd5cc417f827e6b439c1165bbaecc735db1bedde7", kill_on_drop: false }`
[INFO] [stdout] b9791800af8f0eac419fdecbd5cc417f827e6b439c1165bbaecc735db1bedde7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7d37b8f15b2aa91d44fdb252e2463b7e1ade24e7c2e214aea535d41c7e94a44a
[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" "7d37b8f15b2aa91d44fdb252e2463b7e1ade24e7c2e214aea535d41c7e94a44a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] [stdout] running 9 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/linprog-d9014de5ef91d595)
[INFO] [stdout] test solver::tests::solve_1 ... ok
[INFO] [stdout] test solver::tests::solve_two_phases ... ok
[INFO] [stdout] test tests::optimum ... ok
[INFO] [stdout] test tests::reg_constr ... ok
[INFO] [stdout] test tests::update_indirect ... ok
[INFO] [stdout] test tests::reg_var_and_x ... ok
[INFO] [stdout] test tests::update ... ok
[INFO] [stdout] test tests::panic_reg_var - should panic ... ok
[INFO] [stdout] test tests::x - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-e8c5ee9706be8265)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test readme_example ... ok
[INFO] [stdout] test solve_1 ... ok
[INFO] [stdout] test solve_2 ... ok
[INFO] [stdout] test solve_3 ... ok
[INFO] [stdout] test readme_example_story ... ok
[INFO] [stdout] test solve_4 ... ok
[INFO] [stdout] test solve_5 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests linprog
[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" "7d37b8f15b2aa91d44fdb252e2463b7e1ade24e7c2e214aea535d41c7e94a44a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d37b8f15b2aa91d44fdb252e2463b7e1ade24e7c2e214aea535d41c7e94a44a", kill_on_drop: false }`
[INFO] [stdout] 7d37b8f15b2aa91d44fdb252e2463b7e1ade24e7c2e214aea535d41c7e94a44a