[INFO] fetching crate prange2 2.0.1...
[INFO] testing prange2-2.0.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate prange2 2.0.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate prange2 2.0.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prange2 2.0.1
[INFO] finished tweaking crates.io crate prange2 2.0.1
[INFO] tweaked toml for crates.io crate prange2 2.0.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", 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] 4b268f84042ce8c1eb5c77b267f696936b598a4039f6d99053c4356f00f29020
[INFO] running `Command { std: "docker" "start" "-a" "4b268f84042ce8c1eb5c77b267f696936b598a4039f6d99053c4356f00f29020", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b268f84042ce8c1eb5c77b267f696936b598a4039f6d99053c4356f00f29020", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b268f84042ce8c1eb5c77b267f696936b598a4039f6d99053c4356f00f29020", kill_on_drop: false }`
[INFO] [stdout] 4b268f84042ce8c1eb5c77b267f696936b598a4039f6d99053c4356f00f29020
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bae361240f30b5ceb56012321bafe5922a0472090cb6c8d5c013352517eacc8
[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" "0bae361240f30b5ceb56012321bafe5922a0472090cb6c8d5c013352517eacc8", kill_on_drop: false }`
[INFO] [stderr]    Compiling prange2 v2.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:158:32
[INFO] [stdout]     |
[INFO] [stdout] 158 |             Integer(_, x) => x.description(),
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "0bae361240f30b5ceb56012321bafe5922a0472090cb6c8d5c013352517eacc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bae361240f30b5ceb56012321bafe5922a0472090cb6c8d5c013352517eacc8", kill_on_drop: false }`
[INFO] [stdout] 0bae361240f30b5ceb56012321bafe5922a0472090cb6c8d5c013352517eacc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0829afc88af6a5ec15cbbcacd4617274dafc3afb21c331ccaa706e92d8f3eecb
[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" "0829afc88af6a5ec15cbbcacd4617274dafc3afb21c331ccaa706e92d8f3eecb", kill_on_drop: false }`
[INFO] [stderr]    Compiling prange2 v2.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:158:32
[INFO] [stdout]     |
[INFO] [stdout] 158 |             Integer(_, x) => x.description(),
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:158:32
[INFO] [stdout]     |
[INFO] [stdout] 158 |             Integer(_, x) => x.description(),
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` 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 0.88s
[INFO] running `Command { std: "docker" "inspect" "0829afc88af6a5ec15cbbcacd4617274dafc3afb21c331ccaa706e92d8f3eecb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0829afc88af6a5ec15cbbcacd4617274dafc3afb21c331ccaa706e92d8f3eecb", kill_on_drop: false }`
[INFO] [stdout] 0829afc88af6a5ec15cbbcacd4617274dafc3afb21c331ccaa706e92d8f3eecb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c5a232b69799c1db9d8312a1b2a9f8388c6a6a3dd186f484b8bcc03581c05af1
[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" "c5a232b69799c1db9d8312a1b2a9f8388c6a6a3dd186f484b8bcc03581c05af1", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:158:32
[INFO] [stderr]     |
[INFO] [stderr] 158 |             Integer(_, x) => x.description(),
[INFO] [stderr]     |                                ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:158:32
[INFO] [stderr]     |
[INFO] [stderr] 158 |             Integer(_, x) => x.description(),
[INFO] [stderr]     |                                ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/prange2-7f3dfd7c8a28d9d2
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test test::parse_empty ... ok
[INFO] [stdout] test test::parse_err_empty_range2 ... ok
[INFO] [stdout] test test::parse_err_empty_range3 ... ok
[INFO] [stdout] test test::parse_err_empty_range4 ... ok
[INFO] [stdout] test test::parse_err_illegal_char2 ... ok
[INFO] [stdout] test test::parse_err_illegal_char1 ... ok
[INFO] [stdout] test test::parse_err_integer ... ok
[INFO] [stdout] test test::parse_err_invalid_range1 ... ok
[INFO] [stdout] test test::parse_err_invalid_range2 ... ok
[INFO] [stdout] test test::parse_err_invalid_range4 ... ok
[INFO] [stdout] test test::parse_intersection ... ok
[INFO] [stdout] test test::parse_one ... ok
[INFO] [stdout] test test::parse_one_range ... ok
[INFO] [stdout] test test::parse_one_mixed ... ok
[INFO] [stdout] test test::parse_open_left ... ok
[INFO] [stdout] test test::parse_open_right ... ok
[INFO] [stdout] test test::parse_three_mixed ... ok
[INFO] [stdout] test test::parse_three_range ... ok
[INFO] [stdout] test test::parse_err_invalid_range3 ... ok
[INFO] [stdout] test test::parse_err_empty_range1 ... ok
[INFO] [stdout] test test::parse_three ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests prange2
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 24) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c5a232b69799c1db9d8312a1b2a9f8388c6a6a3dd186f484b8bcc03581c05af1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5a232b69799c1db9d8312a1b2a9f8388c6a6a3dd186f484b8bcc03581c05af1", kill_on_drop: false }`
[INFO] [stdout] c5a232b69799c1db9d8312a1b2a9f8388c6a6a3dd186f484b8bcc03581c05af1