[INFO] fetching crate wsp 0.1.6...
[INFO] testing wsp-0.1.6 against 1.90.0 for beta-1.91-3
[INFO] extracting crate wsp 0.1.6 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate wsp 0.1.6
[INFO] finished tweaking crates.io crate wsp 0.1.6
[INFO] tweaked toml for crates.io crate wsp 0.1.6 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate wsp 0.1.6 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 wsp 0.1.6 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]     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]  Downloading crates ...
[INFO] [stderr]   Downloaded heck v0.3.3
[INFO] [stderr]   Downloaded version_check v0.9.3
[INFO] [stderr]   Downloaded structopt-derive v0.4.18
[INFO] [stderr]   Downloaded structopt v0.3.25
[INFO] [stderr]   Downloaded textwrap v0.11.0
[INFO] [stderr]   Downloaded quote v1.0.10
[INFO] [stderr]   Downloaded unicode-xid v0.2.2
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.15
[INFO] [stderr]   Downloaded atty v0.2.14
[INFO] [stderr]   Downloaded unicode-segmentation v1.8.0
[INFO] [stderr]   Downloaded itoa v0.4.8
[INFO] [stderr]   Downloaded serde_derive v1.0.130
[INFO] [stderr]   Downloaded memchr v2.4.1
[INFO] [stderr]   Downloaded csv-core v0.1.10
[INFO] [stderr]   Downloaded ryu v1.0.5
[INFO] [stderr]   Downloaded getrandom v0.2.3
[INFO] [stderr]   Downloaded strsim v0.8.0
[INFO] [stderr]   Downloaded lazy_static v1.4.0
[INFO] [stderr]   Downloaded clap v2.33.3
[INFO] [stderr]   Downloaded syn v1.0.81
[INFO] [stderr]   Downloaded bstr v0.2.17
[INFO] [stderr]   Downloaded wasi v0.10.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded rand v0.8.4
[INFO] [stderr]   Downloaded regex-automata v0.1.10
[INFO] [stderr]   Downloaded serde v1.0.130
[INFO] [stderr]   Downloaded rand_core v0.6.3
[INFO] [stderr]   Downloaded rand_hc v0.3.1
[INFO] [stderr]   Downloaded ansi_term v0.11.0
[INFO] [stderr]   Downloaded libc v0.2.107
[INFO] [stderr]   Downloaded hermit-abi v0.1.19
[INFO] [stderr]   Downloaded unicode-width v0.1.9
[INFO] [stderr]   Downloaded vec_map v0.8.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.32
[INFO] [stderr]   Downloaded csv v1.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 42092a453d3824a860e18f4cca467995083016758b30915076603245b06dd590
[INFO] running `Command { std: "docker" "start" "-a" "42092a453d3824a860e18f4cca467995083016758b30915076603245b06dd590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42092a453d3824a860e18f4cca467995083016758b30915076603245b06dd590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42092a453d3824a860e18f4cca467995083016758b30915076603245b06dd590", kill_on_drop: false }`
[INFO] [stdout] 42092a453d3824a860e18f4cca467995083016758b30915076603245b06dd590
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] cf64b7b44577eb43e7a89ab19d03c279dec990c10f86a6424e6dd067c44ec0a6
[INFO] running `Command { std: "docker" "start" "-a" "cf64b7b44577eb43e7a89ab19d03c279dec990c10f86a6424e6dd067c44ec0a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling structopt v0.3.25
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling wsp v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.32s
[INFO] running `Command { std: "docker" "inspect" "cf64b7b44577eb43e7a89ab19d03c279dec990c10f86a6424e6dd067c44ec0a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf64b7b44577eb43e7a89ab19d03c279dec990c10f86a6424e6dd067c44ec0a6", kill_on_drop: false }`
[INFO] [stdout] cf64b7b44577eb43e7a89ab19d03c279dec990c10f86a6424e6dd067c44ec0a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3af530c553aa30e671c7063ebd205dcca1eb40a5f9a265243a640be0eb83ca2e
[INFO] running `Command { std: "docker" "start" "-a" "3af530c553aa30e671c7063ebd205dcca1eb40a5f9a265243a640be0eb83ca2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling wsp v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "3af530c553aa30e671c7063ebd205dcca1eb40a5f9a265243a640be0eb83ca2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3af530c553aa30e671c7063ebd205dcca1eb40a5f9a265243a640be0eb83ca2e", kill_on_drop: false }`
[INFO] [stdout] 3af530c553aa30e671c7063ebd205dcca1eb40a5f9a265243a640be0eb83ca2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 63ec8afcdfc3dca45c2265f713d45001985522de0984f94c866b2db03f7c8386
[INFO] running `Command { std: "docker" "start" "-a" "63ec8afcdfc3dca45c2265f713d45001985522de0984f94c866b2db03f7c8386", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/wsp-afdc35aa462722e7)
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::test_closest_idx ... ok
[INFO] [stdout] test tests::test_distance_matrix ... ok
[INFO] [stdout] test tests::test_iterative_fast_1 ... ok
[INFO] [stdout] test tests::test_distance_sq ... ok
[INFO] [stdout] test tests::test_manhattan_distance ... ok
[INFO] [stdout] test tests::test_all_points_visited ... ok
[INFO] [stdout] test tests::test_min_dist_ok ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.20s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/wsp-5d65ec5886c8ac0a)
[INFO] [stderr]    Doc-tests wsp
[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] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - PointSet::save_in_csv (line 272) ... FAILED
[INFO] [stdout] test src/lib.rs - PointSet::init_from_preset (line 162) ... ok
[INFO] [stdout] test src/lib.rs - PointSet::init_from_random (line 199) ... ok
[INFO] [stdout] test src/lib.rs - wsp (line 428) ... ok
[INFO] [stdout] test src/lib.rs - wsp (line 402) ... ok
[INFO] [stdout] test src/lib.rs - PointSet::get_remaining (line 322) ... ok
[INFO] [stdout] test src/lib.rs - adaptive_wsp (line 456) ... ok
[INFO] [stdout] test src/lib.rs - (line 28) ... ok
[INFO] [stdout] test src/lib.rs - (line 46) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - PointSet::save_in_csv (line 272) stdout ----
[INFO] [stdout] Test executable failed (exit status: 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error writing in CSV: Read-only file system (os error 30)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 46) stdout ----
[INFO] [stdout] Test executable failed (exit status: 1).
[INFO] [stdout] 
[INFO] [stdout] stdout:
[INFO] [stdout] Error writing in CSV: Read-only file system (os error 30)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 46)
[INFO] [stdout]     src/lib.rs - PointSet::save_in_csv (line 272)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 7 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.86s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "63ec8afcdfc3dca45c2265f713d45001985522de0984f94c866b2db03f7c8386", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63ec8afcdfc3dca45c2265f713d45001985522de0984f94c866b2db03f7c8386", kill_on_drop: false }`
[INFO] [stdout] 63ec8afcdfc3dca45c2265f713d45001985522de0984f94c866b2db03f7c8386