[INFO] fetching crate linprog 0.3.1...
[INFO] testing linprog-0.3.1 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate linprog 0.3.1 into /workspace/builds/worker-6-tc1/source
[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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate linprog 0.3.1 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] [stderr]       Adding uuid v0.4.0 (available: v1.18.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd77b45480d580020e82ae5434f7e35d69cc529107a6e7c42292f7d8b5622b21
[INFO] running `Command { std: "docker" "start" "-a" "cd77b45480d580020e82ae5434f7e35d69cc529107a6e7c42292f7d8b5622b21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd77b45480d580020e82ae5434f7e35d69cc529107a6e7c42292f7d8b5622b21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd77b45480d580020e82ae5434f7e35d69cc529107a6e7c42292f7d8b5622b21", kill_on_drop: false }`
[INFO] [stdout] cd77b45480d580020e82ae5434f7e35d69cc529107a6e7c42292f7d8b5622b21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8663ff551311c91c244ae7a51728fba068f4732aaee1437cd9618c034512e0d4
[INFO] running `Command { std: "docker" "start" "-a" "8663ff551311c91c244ae7a51728fba068f4732aaee1437cd9618c034512e0d4", 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` profile [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "8663ff551311c91c244ae7a51728fba068f4732aaee1437cd9618c034512e0d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8663ff551311c91c244ae7a51728fba068f4732aaee1437cd9618c034512e0d4", kill_on_drop: false }`
[INFO] [stdout] 8663ff551311c91c244ae7a51728fba068f4732aaee1437cd9618c034512e0d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fe1454a786f1e8313caf8d6f218120d8c4c27849e69b1036a3bc08019d25eb4
[INFO] running `Command { std: "docker" "start" "-a" "4fe1454a786f1e8313caf8d6f218120d8c4c27849e69b1036a3bc08019d25eb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling linprog v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "4fe1454a786f1e8313caf8d6f218120d8c4c27849e69b1036a3bc08019d25eb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fe1454a786f1e8313caf8d6f218120d8c4c27849e69b1036a3bc08019d25eb4", kill_on_drop: false }`
[INFO] [stdout] 4fe1454a786f1e8313caf8d6f218120d8c4c27849e69b1036a3bc08019d25eb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ae2af45d702c6ec5d70de3f46a2926b53f81b0993ce351c059e74b4e497d2ce3
[INFO] running `Command { std: "docker" "start" "-a" "ae2af45d702c6ec5d70de3f46a2926b53f81b0993ce351c059e74b4e497d2ce3", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/linprog-4f359f42e594f6f4)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test solver::tests::solve_1 ... ok
[INFO] [stdout] test solver::tests::solve_two_phases ... ok
[INFO] [stdout] test tests::reg_var_and_x ... ok
[INFO] [stdout] test tests::update_indirect ... ok
[INFO] [stdout] test tests::update ... ok
[INFO] [stdout] test tests::optimum ... ok
[INFO] [stdout] test tests::reg_constr ... 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 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-1e000adb2fcfa82a)
[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 readme_example_story ... ok
[INFO] [stdout] test solve_4 ... ok
[INFO] [stdout] test solve_3 ... 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 0.00s
[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" "ae2af45d702c6ec5d70de3f46a2926b53f81b0993ce351c059e74b4e497d2ce3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae2af45d702c6ec5d70de3f46a2926b53f81b0993ce351c059e74b4e497d2ce3", kill_on_drop: false }`
[INFO] [stdout] ae2af45d702c6ec5d70de3f46a2926b53f81b0993ce351c059e74b4e497d2ce3