[INFO] fetching crate bstring 0.1.0...
[INFO] testing bstring-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate bstring 0.1.0 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate bstring 0.1.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-19/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f331cd2a9fa4f51ea62ac4523f7dd713c4329a2d8472f7f2ac8ee07434a2f60d
[INFO] running `Command { std: "docker" "start" "-a" "f331cd2a9fa4f51ea62ac4523f7dd713c4329a2d8472f7f2ac8ee07434a2f60d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f331cd2a9fa4f51ea62ac4523f7dd713c4329a2d8472f7f2ac8ee07434a2f60d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f331cd2a9fa4f51ea62ac4523f7dd713c4329a2d8472f7f2ac8ee07434a2f60d", kill_on_drop: false }`
[INFO] [stdout] f331cd2a9fa4f51ea62ac4523f7dd713c4329a2d8472f7f2ac8ee07434a2f60d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff44663b63f4462f91a052fb2de72aeedf3ba12c5234a203de35329ea440710f
[INFO] running `Command { std: "docker" "start" "-a" "ff44663b63f4462f91a052fb2de72aeedf3ba12c5234a203de35329ea440710f", 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 0.97s
[INFO] running `Command { std: "docker" "inspect" "ff44663b63f4462f91a052fb2de72aeedf3ba12c5234a203de35329ea440710f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff44663b63f4462f91a052fb2de72aeedf3ba12c5234a203de35329ea440710f", kill_on_drop: false }`
[INFO] [stdout] ff44663b63f4462f91a052fb2de72aeedf3ba12c5234a203de35329ea440710f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9797c24d66cca149888dccad8c1b03182c62e59cc8fea29a0bc78e37fa10684
[INFO] running `Command { std: "docker" "start" "-a" "f9797c24d66cca149888dccad8c1b03182c62e59cc8fea29a0bc78e37fa10684", 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 1.24s
[INFO] running `Command { std: "docker" "inspect" "f9797c24d66cca149888dccad8c1b03182c62e59cc8fea29a0bc78e37fa10684", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9797c24d66cca149888dccad8c1b03182c62e59cc8fea29a0bc78e37fa10684", kill_on_drop: false }`
[INFO] [stdout] f9797c24d66cca149888dccad8c1b03182c62e59cc8fea29a0bc78e37fa10684
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f0f703fd15d8297d09ab49ad94839fedbdc28d036e9a094d61b3175d20c96a8b
[INFO] running `Command { std: "docker" "start" "-a" "f0f703fd15d8297d09ab49ad94839fedbdc28d036e9a094d61b3175d20c96a8b", kill_on_drop: false }`
[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] 
[INFO] [stderr]   --> src/bstring.rs:21:17
[INFO] [stdout] running 16 tests
[INFO] [stderr]    |
[INFO] [stderr] 21 | use ref_slice::{ref_slice, ref_slice_mut};
[INFO] [stderr]    |                 ^^^^^^^^^
[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 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bstring-3866922c5ba82398)
[INFO] [stdout] test bfmt::test::test_bformat_error ... ok
[INFO] [stdout] test bstring::test::test_boxed_bstr ... ok
[INFO] [stdout] test bfmt::test::test_bformat_iter ... ok
[INFO] [stdout] test bstring::test::test_bstr_find ... ok
[INFO] [stdout] test bstring::test::test_bstr_contains ... ok
[INFO] [stdout] test bstring::test::test_bstr_find_bstr ... ok
[INFO] [stdout] test bstring::test::test_bstr_lines ... ok
[INFO] [stdout] test bstring::test::test_bstr_partition ... ok
[INFO] [stdout] test bstring::test::test_bstr_rfind ... ok
[INFO] [stdout] test bstring::test::test_bstr_split ... ok
[INFO] [stderr]    Doc-tests bstring
[INFO] [stdout] test bstring::test::test_bstr_split_space ... ok
[INFO] [stdout] test bstring::test::test_bstr_to_bstring ... ok
[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_insert_str ... ok
[INFO] [stdout] test bstring::test::test_bstring_join ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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::concat (line 56) ... ok
[INFO] [stdout] test src/bstring.rs - bstring::BString::join (line 78) ... ok
[INFO] [stdout] test src/bstring.rs - bstring::BString::truncate (line 226) ... ok
[INFO] [stdout] test src/bstring.rs - bstring::BString::push_str (line 164) ... ok
[INFO] [stdout] test src/bstring.rs - bstring::BString::insert_str (line 288) ... 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] test src/bstring.rs - bstring::bstr::partition (line 695) ... ok
[INFO] [stdout] test src/bstring.rs - bstring::BString::retain (line 264) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.45s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f0f703fd15d8297d09ab49ad94839fedbdc28d036e9a094d61b3175d20c96a8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0f703fd15d8297d09ab49ad94839fedbdc28d036e9a094d61b3175d20c96a8b", kill_on_drop: false }`
[INFO] [stdout] f0f703fd15d8297d09ab49ad94839fedbdc28d036e9a094d61b3175d20c96a8b