[INFO] fetching crate bstring 0.1.0...
[INFO] testing bstring-0.1.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate bstring 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate bstring 0.1.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bstring 0.1.0
[INFO] finished tweaking crates.io crate bstring 0.1.0
[INFO] tweaked toml for crates.io crate bstring 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d6fc7c61aafaf8a736c9cf417d1e40e8af036cc4db8851531088b578459bbb7
[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" "5d6fc7c61aafaf8a736c9cf417d1e40e8af036cc4db8851531088b578459bbb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d6fc7c61aafaf8a736c9cf417d1e40e8af036cc4db8851531088b578459bbb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d6fc7c61aafaf8a736c9cf417d1e40e8af036cc4db8851531088b578459bbb7", kill_on_drop: false }`
[INFO] [stdout] 5d6fc7c61aafaf8a736c9cf417d1e40e8af036cc4db8851531088b578459bbb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf2323582b22daaee55d574e8591a4782ef836829e98e38796cf60a58d199b6f
[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" "bf2323582b22daaee55d574e8591a4782ef836829e98e38796cf60a58d199b6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling ref_slice v1.2.1
[INFO] [stderr]    Compiling bstring v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `ref_slice::ref_slice`: Similar method was added to std and stabilized in rust 1.28.0. Use `core::slice::from_ref` instead.
[INFO] [stdout]   --> src/bstring.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 | use ref_slice::{ref_slice, ref_slice_mut};
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ref_slice::ref_slice_mut`: Similar method was added to std and stabilized in rust 1.28.0. Use `core::slice::from_mut` instead.
[INFO] [stdout]   --> src/bstring.rs:21:28
[INFO] [stdout]    |
[INFO] [stdout] 21 | use ref_slice::{ref_slice, ref_slice_mut};
[INFO] [stdout]    |                            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ref_slice::ref_slice`: Similar method was added to std and stabilized in rust 1.28.0. Use `core::slice::from_ref` instead.
[INFO] [stdout]     --> src/bstring.rs:1555:9
[INFO] [stdout]      |
[INFO] [stdout] 1555 |         ref_slice(self).as_ref()
[INFO] [stdout]      |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ref_slice::ref_slice_mut`: Similar method was added to std and stabilized in rust 1.28.0. Use `core::slice::from_mut` instead.
[INFO] [stdout]     --> src/bstring.rs:1603:9
[INFO] [stdout]      |
[INFO] [stdout] 1603 |         ref_slice_mut(self).as_mut()
[INFO] [stdout]      |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `orig`
[INFO] [stdout]    --> src/bfmt.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 103 |     orig: &'a bstr,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.04s
[INFO] running `Command { std: "docker" "inspect" "bf2323582b22daaee55d574e8591a4782ef836829e98e38796cf60a58d199b6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf2323582b22daaee55d574e8591a4782ef836829e98e38796cf60a58d199b6f", kill_on_drop: false }`
[INFO] [stdout] bf2323582b22daaee55d574e8591a4782ef836829e98e38796cf60a58d199b6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] caf8bebf6f23a75910f20083bfeca95b1f704099246f5a9554f69df84d09d14a
[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" "caf8bebf6f23a75910f20083bfeca95b1f704099246f5a9554f69df84d09d14a", kill_on_drop: false }`
[INFO] [stderr]    Compiling assert_matches v1.5.0
[INFO] [stdout] warning: use of deprecated function `ref_slice::ref_slice`: Similar method was added to std and stabilized in rust 1.28.0. Use `core::slice::from_ref` instead.
[INFO] [stdout]   --> src/bstring.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 | use ref_slice::{ref_slice, ref_slice_mut};
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ref_slice::ref_slice_mut`: Similar method was added to std and stabilized in rust 1.28.0. Use `core::slice::from_mut` instead.
[INFO] [stdout]   --> src/bstring.rs:21:28
[INFO] [stdout]    |
[INFO] [stdout] 21 | use ref_slice::{ref_slice, ref_slice_mut};
[INFO] [stdout]    |                            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ref_slice::ref_slice`: Similar method was added to std and stabilized in rust 1.28.0. Use `core::slice::from_ref` instead.
[INFO] [stdout]     --> src/bstring.rs:1555:9
[INFO] [stdout]      |
[INFO] [stdout] 1555 |         ref_slice(self).as_ref()
[INFO] [stdout]      |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ref_slice::ref_slice_mut`: Similar method was added to std and stabilized in rust 1.28.0. Use `core::slice::from_mut` instead.
[INFO] [stdout]     --> src/bstring.rs:1603:9
[INFO] [stdout]      |
[INFO] [stdout] 1603 |         ref_slice_mut(self).as_mut()
[INFO] [stdout]      |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `orig`
[INFO] [stdout]    --> src/bfmt.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 103 |     orig: &'a bstr,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling bstring v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `ref_slice::ref_slice`: Similar method was added to std and stabilized in rust 1.28.0. Use `core::slice::from_ref` instead.
[INFO] [stdout]   --> src/bstring.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 | use ref_slice::{ref_slice, ref_slice_mut};
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ref_slice::ref_slice_mut`: Similar method was added to std and stabilized in rust 1.28.0. Use `core::slice::from_mut` instead.
[INFO] [stdout]   --> src/bstring.rs:21:28
[INFO] [stdout]    |
[INFO] [stdout] 21 | use ref_slice::{ref_slice, ref_slice_mut};
[INFO] [stdout]    |                            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ref_slice::ref_slice`: Similar method was added to std and stabilized in rust 1.28.0. Use `core::slice::from_ref` instead.
[INFO] [stdout]     --> src/bstring.rs:1555:9
[INFO] [stdout]      |
[INFO] [stdout] 1555 |         ref_slice(self).as_ref()
[INFO] [stdout]      |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ref_slice::ref_slice_mut`: Similar method was added to std and stabilized in rust 1.28.0. Use `core::slice::from_mut` instead.
[INFO] [stdout]     --> src/bstring.rs:1603:9
[INFO] [stdout]      |
[INFO] [stdout] 1603 |         ref_slice_mut(self).as_mut()
[INFO] [stdout]      |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `orig`
[INFO] [stdout]    --> src/bfmt.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 103 |     orig: &'a bstr,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.07s
[INFO] running `Command { std: "docker" "inspect" "caf8bebf6f23a75910f20083bfeca95b1f704099246f5a9554f69df84d09d14a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caf8bebf6f23a75910f20083bfeca95b1f704099246f5a9554f69df84d09d14a", kill_on_drop: false }`
[INFO] [stdout] caf8bebf6f23a75910f20083bfeca95b1f704099246f5a9554f69df84d09d14a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d519c11d60b83c65f691999c1c1ca38077856a270aa78230666ba759101c8302
[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" "d519c11d60b83c65f691999c1c1ca38077856a270aa78230666ba759101c8302", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated function `ref_slice::ref_slice`: Similar method was added to std and stabilized in rust 1.28.0. Use `core::slice::from_ref` instead.
[INFO] [stdout] running 16 tests
[INFO] [stderr]   --> src/bstring.rs:21:17
[INFO] [stdout] test bstring::test::test_bstr_split_space ... ok
[INFO] [stderr]    |
[INFO] [stdout] test bstring::test::test_bstr_find ... ok
[INFO] [stderr] 21 | use ref_slice::{ref_slice, ref_slice_mut};
[INFO] [stdout] test bstring::test::test_bstr_to_bstring ... ok
[INFO] [stderr]    |                 ^^^^^^^^^
[INFO] [stdout] test bstring::test::test_boxed_bstr ... ok
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `ref_slice::ref_slice_mut`: Similar method was added to std and stabilized in rust 1.28.0. Use `core::slice::from_mut` instead.
[INFO] [stderr]   --> src/bstring.rs:21:28
[INFO] [stderr]    |
[INFO] [stderr] 21 | use ref_slice::{ref_slice, ref_slice_mut};
[INFO] [stderr]    |                            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `ref_slice::ref_slice`: Similar method was added to std and stabilized in rust 1.28.0. Use `core::slice::from_ref` instead.
[INFO] [stderr]     --> src/bstring.rs:1555:9
[INFO] [stderr]      |
[INFO] [stderr] 1555 |         ref_slice(self).as_ref()
[INFO] [stderr]      |         ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `ref_slice::ref_slice_mut`: Similar method was added to std and stabilized in rust 1.28.0. Use `core::slice::from_mut` instead.
[INFO] [stderr]     --> src/bstring.rs:1603:9
[INFO] [stderr]      |
[INFO] [stderr] 1603 |         ref_slice_mut(self).as_mut()
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `orig`
[INFO] [stderr]    --> src/bfmt.rs:103:5
[INFO] [stderr]     |
[INFO] [stderr] 103 |     orig: &'a bstr,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `bstring` (lib) generated 5 warnings
[INFO] [stderr] warning: `bstring` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bstring-76baf5e4f69a5965)
[INFO] [stdout] test bstring::test::test_bstr_trim ... ok
[INFO] [stdout] test bstring::test::test_bstring_concat ... ok
[INFO] [stdout] test bstring::test::test_bstring_join ... ok
[INFO] [stderr]    Doc-tests bstring
[INFO] [stdout] test bstring::test::test_bstr_partition ... ok
[INFO] [stdout] test bstring::test::test_bstring_insert_str ... ok
[INFO] [stdout] test bfmt::test::test_bformat_iter ... ok
[INFO] [stdout] test bstring::test::test_bstr_rfind ... ok
[INFO] [stdout] test bstring::test::test_bstr_split ... ok
[INFO] [stdout] test bstring::test::test_bstr_find_bstr ... ok
[INFO] [stdout] test bfmt::test::test_bformat_error ... ok
[INFO] [stdout] test bstring::test::test_bstr_contains ... ok
[INFO] [stdout] test bstring::test::test_bstr_lines ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/bfmt.rs - bfmt (line 12) ... ignored
[INFO] [stdout] test src/bstring.rs - bstring::BString::insert_str (line 288) ... ok
[INFO] [stdout] test src/bstring.rs - bstring::BString::concat (line 56) ... ok
[INFO] [stdout] test src/bstring.rs - bstring::BString::join (line 78) ... ok
[INFO] [stdout] test src/bstring.rs - bstring::BString::push_str (line 164) ... ok
[INFO] [stdout] test src/bstring.rs - bstring::BString::truncate (line 226) ... ok
[INFO] [stdout] test src/bstring.rs - bstring::bstr::partition (line 695) ... ok
[INFO] [stdout] test src/bstring.rs - bstring::BString::retain (line 264) ... ok
[INFO] [stdout] test src/bstring.rs - bstring::bstr::split_words (line 810) ... ok
[INFO] [stdout] test src/bstring.rs - bstring::bstr::rpartition (line 719) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 2.11s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d519c11d60b83c65f691999c1c1ca38077856a270aa78230666ba759101c8302", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d519c11d60b83c65f691999c1c1ca38077856a270aa78230666ba759101c8302", kill_on_drop: false }`
[INFO] [stdout] d519c11d60b83c65f691999c1c1ca38077856a270aa78230666ba759101c8302