[INFO] fetching crate smartstring 0.2.10...
[INFO] testing smartstring-0.2.10 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate smartstring 0.2.10 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate smartstring 0.2.10 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate smartstring 0.2.10
[INFO] finished tweaking crates.io crate smartstring 0.2.10
[INFO] tweaked toml for crates.io crate smartstring 0.2.10 written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive_arbitrary v1.1.0
[INFO] [stderr]   Downloaded proptest-derive v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b53e4882215545dfa0a4fd0f012d6aab7adea29412083cfedb2261450815a345
[INFO] running `Command { std: "docker" "start" "-a" "b53e4882215545dfa0a4fd0f012d6aab7adea29412083cfedb2261450815a345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b53e4882215545dfa0a4fd0f012d6aab7adea29412083cfedb2261450815a345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b53e4882215545dfa0a4fd0f012d6aab7adea29412083cfedb2261450815a345", kill_on_drop: false }`
[INFO] [stdout] b53e4882215545dfa0a4fd0f012d6aab7adea29412083cfedb2261450815a345
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 920bc9830a2305c330e2bc72d70d4079e66cfff43ffe00c391bb729bd8adb6a8
[INFO] running `Command { std: "docker" "start" "-a" "920bc9830a2305c330e2bc72d70d4079e66cfff43ffe00c391bb729bd8adb6a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling smartstring v0.2.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "920bc9830a2305c330e2bc72d70d4079e66cfff43ffe00c391bb729bd8adb6a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "920bc9830a2305c330e2bc72d70d4079e66cfff43ffe00c391bb729bd8adb6a8", kill_on_drop: false }`
[INFO] [stdout] 920bc9830a2305c330e2bc72d70d4079e66cfff43ffe00c391bb729bd8adb6a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6555536fb7b8291f025acfbf6883c1342438e32a8508a22569b6952a6bbd1ac9
[INFO] running `Command { std: "docker" "start" "-a" "6555536fb7b8291f025acfbf6883c1342438e32a8508a22569b6952a6bbd1ac9", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling semver v1.0.6
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling serde_test v1.0.136
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling quick-error v2.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling proptest v1.0.0
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling proptest-derive v0.3.0
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling smartstring v0.2.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 19.37s
[INFO] running `Command { std: "docker" "inspect" "6555536fb7b8291f025acfbf6883c1342438e32a8508a22569b6952a6bbd1ac9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6555536fb7b8291f025acfbf6883c1342438e32a8508a22569b6952a6bbd1ac9", kill_on_drop: false }`
[INFO] [stdout] 6555536fb7b8291f025acfbf6883c1342438e32a8508a22569b6952a6bbd1ac9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1fb7a0d81ee499fdfa77afa1897702f84f8dbf62a4091e47f23500e2a4ea80b6
[INFO] running `Command { std: "docker" "start" "-a" "1fb7a0d81ee499fdfa77afa1897702f84f8dbf62a4091e47f23500e2a4ea80b6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/smartstring-96ac682f40d4f337)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test test::tests::dont_panic_on_removing_last_index_from_an_inline_string ... ok
[INFO] [stdout] test test::tests::dont_panic_when_inserting_a_string_at_exactly_inline_capacity ... ok
[INFO] [stdout] test test::tests::drain_over_inline_boundary ... ok
[INFO] [stdout] test test::tests::fail ... ok
[INFO] [stdout] test test::tests::drain_wrapped_shouldnt_drop_twice ... ok
[INFO] [stdout] test test::tests::shouldnt_panic_on_inclusive_range_end_one_less_than_start ... ok
[INFO] [stdout] test test::tests::string_layout_consistency_check ... ok
[INFO] [stdout] test test::tests::drain_bounds_integer_overflow_must_panic - should panic ... ok
[INFO] [stdout] test test::tests::must_not_promote_before_insert_succeeds ... ok
[INFO] [stdout] test test::tests::must_panic_on_insert_outside_char_boundary ... ok
[INFO] [stdout] test test::tests::must_panic_on_slice_outside_char_boundary ... ok
[INFO] [stdout] test test::tests::must_panic_on_out_of_bounds_range ... ok
[INFO] [stdout] test test::tests::proptest_ordering_lazycompact ... ok
[INFO] [stdout] test test::tests::proptest_eq ... ok
[INFO] [stdout] test test::tests::proptest_ordering_compact ... ok
[INFO] [stdout] test test::tests::proptest_everything_compact ... ok
[INFO] [stdout] test test::tests::proptest_everything_lazycompact ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.55s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests smartstring
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - validate (line 210) ... ok
[INFO] [stdout] test src/lib.rs - (line 34) ... ok
[INFO] [stdout] test src/lib.rs - (line 43) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1fb7a0d81ee499fdfa77afa1897702f84f8dbf62a4091e47f23500e2a4ea80b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fb7a0d81ee499fdfa77afa1897702f84f8dbf62a4091e47f23500e2a4ea80b6", kill_on_drop: false }`
[INFO] [stdout] 1fb7a0d81ee499fdfa77afa1897702f84f8dbf62a4091e47f23500e2a4ea80b6