[INFO] fetching crate smartstring 0.2.9...
[INFO] testing smartstring-0.2.9 against 1.55.0 for beta-1.56-1
[INFO] extracting crate smartstring 0.2.9 into /workspace/builds/worker-117/source
[INFO] validating manifest of crates.io crate smartstring 0.2.9 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate smartstring 0.2.9
[INFO] finished tweaking crates.io crate smartstring 0.2.9
[INFO] tweaked toml for crates.io crate smartstring 0.2.9 written to /workspace/builds/worker-117/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive_arbitrary v0.4.7
[INFO] [stderr]   Downloaded arbitrary v0.4.7
[INFO] [stderr]   Downloaded proptest-derive v0.2.0
[INFO] [stderr]   Downloaded serde_test v1.0.130
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 123f22403ed12014bbb9640dc66e5c9d8d906eba391f570a6d32ec717e5b8463
[INFO] running `Command { std: "docker" "start" "-a" "123f22403ed12014bbb9640dc66e5c9d8d906eba391f570a6d32ec717e5b8463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "123f22403ed12014bbb9640dc66e5c9d8d906eba391f570a6d32ec717e5b8463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "123f22403ed12014bbb9640dc66e5c9d8d906eba391f570a6d32ec717e5b8463", kill_on_drop: false }`
[INFO] [stdout] 123f22403ed12014bbb9640dc66e5c9d8d906eba391f570a6d32ec717e5b8463
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ad9b34dba97a513796f541394c266cd23cdb99f0067ce0256297eea35ad5281
[INFO] running `Command { std: "docker" "start" "-a" "3ad9b34dba97a513796f541394c266cd23cdb99f0067ce0256297eea35ad5281", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling smartstring v0.2.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "3ad9b34dba97a513796f541394c266cd23cdb99f0067ce0256297eea35ad5281", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ad9b34dba97a513796f541394c266cd23cdb99f0067ce0256297eea35ad5281", kill_on_drop: false }`
[INFO] [stdout] 3ad9b34dba97a513796f541394c266cd23cdb99f0067ce0256297eea35ad5281
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c54c177a82b9bd09e717d3d34e1566760bd28a3065198fb4c2f122ffdb6e520b
[INFO] running `Command { std: "docker" "start" "-a" "c54c177a82b9bd09e717d3d34e1566760bd28a3065198fb4c2f122ffdb6e520b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling proptest v0.10.1
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling serde_test v1.0.130
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling proptest-derive v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling smartstring v0.2.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 54.25s
[INFO] running `Command { std: "docker" "inspect" "c54c177a82b9bd09e717d3d34e1566760bd28a3065198fb4c2f122ffdb6e520b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c54c177a82b9bd09e717d3d34e1566760bd28a3065198fb4c2f122ffdb6e520b", kill_on_drop: false }`
[INFO] [stdout] c54c177a82b9bd09e717d3d34e1566760bd28a3065198fb4c2f122ffdb6e520b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 57b1b03b5d4c29346a96e561095d921a616c9e9bd0c39a2fe3396666081bcc6e
[INFO] running `Command { std: "docker" "start" "-a" "57b1b03b5d4c29346a96e561095d921a616c9e9bd0c39a2fe3396666081bcc6e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/smartstring-d2a92cf66a13a3a5)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test test::tests::drain_wrapped_shouldnt_drop_twice ... ok
[INFO] [stdout] test test::tests::fail ... ok
[INFO] [stdout] test test::tests::dont_panic_on_removing_last_index_from_an_inline_string ... ok
[INFO] [stdout] test test::tests::drain_over_inline_boundary ... ok
[INFO] [stdout] test test::tests::shouldnt_panic_on_inclusive_range_end_one_less_than_start ... ok
[INFO] [stdout] test test::tests::dont_panic_when_inserting_a_string_at_exactly_inline_capacity ... ok
[INFO] [stdout] test test::tests::string_layout_consistency_check ... ok
[INFO] [stdout] test test::tests::must_panic_on_out_of_bounds_range ... ok
[INFO] [stdout] test test::tests::must_panic_on_slice_outside_char_boundary ... ok
[INFO] [stdout] test test::tests::must_not_promote_before_insert_succeeds ... ok
[INFO] [stdout] test test::tests::drain_bounds_integer_overflow_must_panic - should panic ... ok
[INFO] [stdout] test test::tests::must_panic_on_insert_outside_char_boundary ... ok
[INFO] [stdout] test test::tests::proptest_eq ... ok
[INFO] [stdout] test test::tests::proptest_ordering_lazycompact ... 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 7.53s
[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 0.40s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "57b1b03b5d4c29346a96e561095d921a616c9e9bd0c39a2fe3396666081bcc6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57b1b03b5d4c29346a96e561095d921a616c9e9bd0c39a2fe3396666081bcc6e", kill_on_drop: false }`
[INFO] [stdout] 57b1b03b5d4c29346a96e561095d921a616c9e9bd0c39a2fe3396666081bcc6e