[INFO] fetching crate smawk 0.2.0...
[INFO] testing smawk-0.2.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate smawk 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate smawk 0.2.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate smawk 0.2.0
[INFO] finished tweaking crates.io crate smawk 0.2.0
[INFO] tweaked toml for crates.io crate smawk 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7ee7ba412e7becde1e7a9c8ea7201b2562b8c8b57ffb39e415b5d752467d1a9
[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" "d7ee7ba412e7becde1e7a9c8ea7201b2562b8c8b57ffb39e415b5d752467d1a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7ee7ba412e7becde1e7a9c8ea7201b2562b8c8b57ffb39e415b5d752467d1a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7ee7ba412e7becde1e7a9c8ea7201b2562b8c8b57ffb39e415b5d752467d1a9", kill_on_drop: false }`
[INFO] [stdout] d7ee7ba412e7becde1e7a9c8ea7201b2562b8c8b57ffb39e415b5d752467d1a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bbc5c7c6008871bea3e4b48872888a85f845ca126e3ba672b3ef81a1a53a67e
[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" "7bbc5c7c6008871bea3e4b48872888a85f845ca126e3ba672b3ef81a1a53a67e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[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 smawk v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `ConstantRows`
[INFO] [stdout]    --> src/lib.rs:461:5
[INFO] [stdout]     |
[INFO] [stdout] 461 |     ConstantRows,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ConstantCols`
[INFO] [stdout]    --> src/lib.rs:462:5
[INFO] [stdout]     |
[INFO] [stdout] 462 |     ConstantCols,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.86s
[INFO] running `Command { std: "docker" "inspect" "7bbc5c7c6008871bea3e4b48872888a85f845ca126e3ba672b3ef81a1a53a67e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bbc5c7c6008871bea3e4b48872888a85f845ca126e3ba672b3ef81a1a53a67e", kill_on_drop: false }`
[INFO] [stdout] 7bbc5c7c6008871bea3e4b48872888a85f845ca126e3ba672b3ef81a1a53a67e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 649555ceb553db61df228c987ef0c34d0d2d34f206284c4ceebce77989f81bf2
[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" "649555ceb553db61df228c987ef0c34d0d2d34f206284c4ceebce77989f81bf2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling tinyvec v0.3.3
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling semver-parser v0.9.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stdout] warning: variant is never constructed: `ConstantRows`
[INFO] [stdout]    --> src/lib.rs:461:5
[INFO] [stdout]     |
[INFO] [stdout] 461 |     ConstantRows,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ConstantCols`
[INFO] [stdout]    --> src/lib.rs:462:5
[INFO] [stdout]     |
[INFO] [stdout] 462 |     ConstantCols,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling version-sync v0.9.1
[INFO] [stderr]    Compiling smawk v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/complexity.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let mut matrix: Array2<i32> = random_monge_matrix(size, size, &mut rng);
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 39.62s
[INFO] running `Command { std: "docker" "inspect" "649555ceb553db61df228c987ef0c34d0d2d34f206284c4ceebce77989f81bf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "649555ceb553db61df228c987ef0c34d0d2d34f206284c4ceebce77989f81bf2", kill_on_drop: false }`
[INFO] [stdout] 649555ceb553db61df228c987ef0c34d0d2d34f206284c4ceebce77989f81bf2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", 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] e0f30a6350ea56912d278e139564e473020c263384b8007ea9cb1a38f3313784
[INFO] running `Command { std: "docker" "start" "-a" "e0f30a6350ea56912d278e139564e473020c263384b8007ea9cb1a38f3313784", kill_on_drop: false }`
[INFO] [stderr] warning: variant is never constructed: `ConstantRows`
[INFO] [stderr]    --> src/lib.rs:461:5
[INFO] [stderr]     |
[INFO] [stderr] 461 |     ConstantRows,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ConstantCols`
[INFO] [stderr]    --> src/lib.rs:462:5
[INFO] [stderr]     |
[INFO] [stderr] 462 |     ConstantCols,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/complexity.rs:61:13
[INFO] [stderr]    |
[INFO] [stderr] 61 |         let mut matrix: Array2<i32> = random_monge_matrix(size, size, &mut rng);
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/smawk-7e51c0eb3a93929d
[INFO] [stdout] 
[INFO] [stdout] running 33 tests
[INFO] [stdout] test tests::is_monge_handles_overflow ... ok
[INFO] [stdout] test tests::brute_force_1x1 ... ok
[INFO] [stdout] test tests::brute_force_2x1 ... ok
[INFO] [stdout] test tests::brute_force_3x3 ... ok
[INFO] [stdout] test tests::monge_constant_cols ... ok
[INFO] [stdout] test tests::online_4x4 ... ok
[INFO] [stdout] test tests::online_3x3 ... ok
[INFO] [stdout] test tests::online_5x5 ... ok
[INFO] [stdout] test tests::brute_force_1x2 ... ok
[INFO] [stdout] test tests::brute_force_5x5 ... ok
[INFO] [stdout] test tests::brute_force_2x2 ... ok
[INFO] [stdout] test tests::online_1x1 ... ok
[INFO] [stdout] test tests::monge_upper_right_ones ... ok
[INFO] [stdout] test tests::online_2x2 ... ok
[INFO] [stdout] test tests::brute_force_4x4 ... ok
[INFO] [stdout] test tests::recursive_5x5 ... ok
[INFO] [stdout] test tests::recursive_1x1 ... ok
[INFO] [stdout] test tests::recursive_1x2 ... ok
[INFO] [stdout] test tests::recursive_2x1 ... ok
[INFO] [stdout] test tests::recursive_3x3 ... ok
[INFO] [stdout] test tests::smawk_2x2 ... ok
[INFO] [stdout] test tests::smawk_3x3 ... ok
[INFO] [stdout] test tests::smawk_4x4 ... ok
[INFO] [stdout] test tests::smawk_5x5 ... ok
[INFO] [stdout] test tests::recursive_2x2 ... ok
[INFO] [stdout] test tests::smawk_1x1 ... ok
[INFO] [stdout] test tests::recursive_4x4 ... ok
[INFO] [stdout] test tests::smawk_1x2 ... ok
[INFO] [stdout] test tests::smawk_2x1 ... ok
[INFO] [stdout] test tests::monge_constant_rows ... ok
[INFO] [stdout] test tests::monge_lower_left_ones ... ok
[INFO] [stdout] test tests::online_agree ... ok
[INFO] [stdout] test tests::implementations_agree ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 33 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/complexity-95933e69dbd1e032
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test online_linear_complexity ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/version_numbers-139b81e685ce1f46
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_readme_deps ... ok
[INFO] [stdout] test test_html_root_url ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests smawk
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e0f30a6350ea56912d278e139564e473020c263384b8007ea9cb1a38f3313784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0f30a6350ea56912d278e139564e473020c263384b8007ea9cb1a38f3313784", kill_on_drop: false }`
[INFO] [stdout] e0f30a6350ea56912d278e139564e473020c263384b8007ea9cb1a38f3313784