[INFO] fetching crate string32 0.2.0...
[INFO] testing string32-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate string32 0.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate string32 0.2.0 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 string32 0.2.0
[INFO] finished tweaking crates.io crate string32 0.2.0
[INFO] tweaked toml for crates.io crate string32 0.2.0 written to /workspace/builds/worker-12/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]  Downloading crates ...
[INFO] [stderr]   Downloaded mediumvec v1.2.0
[INFO] [stderr]   Downloaded usize_cast v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 88cb3f52e34cdf0dca49098d00e5ee053412c2d1cf0296a31cdfa3e090db92db
[INFO] running `Command { std: "docker" "start" "-a" "88cb3f52e34cdf0dca49098d00e5ee053412c2d1cf0296a31cdfa3e090db92db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88cb3f52e34cdf0dca49098d00e5ee053412c2d1cf0296a31cdfa3e090db92db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88cb3f52e34cdf0dca49098d00e5ee053412c2d1cf0296a31cdfa3e090db92db", kill_on_drop: false }`
[INFO] [stdout] 88cb3f52e34cdf0dca49098d00e5ee053412c2d1cf0296a31cdfa3e090db92db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 7b5c58a4628c68d6d10debbe4ddd61e58e8301eabc1131e888b20c7eab201306
[INFO] running `Command { std: "docker" "start" "-a" "7b5c58a4628c68d6d10debbe4ddd61e58e8301eabc1131e888b20c7eab201306", kill_on_drop: false }`
[INFO] [stderr]    Compiling mediumvec v1.2.0
[INFO] [stderr]    Compiling usize_cast v1.1.0
[INFO] [stderr]    Compiling string32 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "7b5c58a4628c68d6d10debbe4ddd61e58e8301eabc1131e888b20c7eab201306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b5c58a4628c68d6d10debbe4ddd61e58e8301eabc1131e888b20c7eab201306", kill_on_drop: false }`
[INFO] [stdout] 7b5c58a4628c68d6d10debbe4ddd61e58e8301eabc1131e888b20c7eab201306
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] e72a7cd801fb63fef591f3340107c0c99e00934fbd7d20eaf49a659dd9c4731a
[INFO] running `Command { std: "docker" "start" "-a" "e72a7cd801fb63fef591f3340107c0c99e00934fbd7d20eaf49a659dd9c4731a", kill_on_drop: false }`
[INFO] [stderr]    Compiling string32 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "e72a7cd801fb63fef591f3340107c0c99e00934fbd7d20eaf49a659dd9c4731a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e72a7cd801fb63fef591f3340107c0c99e00934fbd7d20eaf49a659dd9c4731a", kill_on_drop: false }`
[INFO] [stdout] e72a7cd801fb63fef591f3340107c0c99e00934fbd7d20eaf49a659dd9c4731a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] a8fa17b710624c5066e6980cbbaa2cd858724f3b62fc4fe98c7999357d97b2b2
[INFO] running `Command { std: "docker" "start" "-a" "a8fa17b710624c5066e6980cbbaa2cd858724f3b62fc4fe98c7999357d97b2b2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/string32-a546c3594ca83f79)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_complex ... ok
[INFO] [stdout] test tests::test_hash ... ok
[INFO] [stdout] test tests::test_simple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests string32
[INFO] [stdout] 
[INFO] [stdout] running 32 tests
[INFO] [stdout] test src/string32.rs - string32::String32::clear (line 270) ... ok
[INFO] [stdout] test src/string32.rs - string32::String32::reserve_exact (line 227) ... ok
[INFO] [stdout] test src/string32.rs - string32::String32::capacity (line 57) ... ok
[INFO] [stdout] test src/str32.rs - str32::Str32::to_uppercase (line 294) ... ok
[INFO] [stdout] test src/str32.rs - str32::Str32::as_str (line 23) ... ok
[INFO] [stdout] test src/str32.rs - str32::Str32::trim (line 339) ... ok
[INFO] [stdout] test src/string32.rs - string32::String32::truncate (line 255) ... ok
[INFO] [stdout] test src/string32.rs - string32::String32::shrink_to_fit (line 241) ... ok
[INFO] [stdout] test src/str32.rs - str32::Str32::as_bytes (line 44) ... ok
[INFO] [stdout] test src/string32.rs - string32::String32::push_str (line 119) ... ok
[INFO] [stdout] test src/string32.rs - string32::String32::remove (line 155) ... ok
[INFO] [stdout] test src/str32.rs - str32::Str32::trim_end (line 369) ... ok
[INFO] [stdout] test src/string32.rs - string32::String32::into_boxed_str (line 301) ... ok
[INFO] [stdout] test src/string32.rs - string32::String32::push (line 101) ... ok
[INFO] [stdout] test src/string32.rs - string32::String32::as_string (line 77) ... ok
[INFO] [stdout] test src/string32.rs - string32::String32::insert (line 174) ... ok
[INFO] [stdout] test src/str32.rs - str32::Str32::make_ascii_lowercase (line 228) ... ok
[INFO] [stdout] test src/string32.rs - string32::String32::split_off (line 320) ... ok
[INFO] [stdout] test src/str32.rs - str32::Str32::to_ascii_uppercase (line 324) ... ok
[INFO] [stdout] test src/str32.rs - str32::Str32::len (line 110) ... ok
[INFO] [stdout] test src/str32.rs - str32::Str32::is_empty (line 125) ... ok
[INFO] [stdout] test src/string32.rs - string32::String32::insert_str (line 193) ... ok
[INFO] [stdout] test src/str32.rs - str32::Str32::as_bytes_mut (line 59) ... ok
[INFO] [stdout] test src/string32.rs - string32::String32::into_bytes (line 285) ... ok
[INFO] [stdout] test src/string32.rs - string32::String32::new (line 28) ... ok
[INFO] [stdout] test src/str32.rs - str32::Str32::to_lowercase (line 279) ... ok
[INFO] [stdout] test src/str32.rs - str32::Str32::trim_start (line 354) ... ok
[INFO] [stdout] test src/str32.rs - str32::Str32::make_ascii_uppercase (line 243) ... ok
[INFO] [stdout] test src/string32.rs - string32::String32::pop (line 136) ... ok
[INFO] [stdout] test src/str32.rs - str32::Str32::to_ascii_lowercase (line 309) ... ok
[INFO] [stdout] test src/string32.rs - string32::String32::reserve (line 211) ... ok
[INFO] [stdout] test src/string32.rs - string32::String32::with_capacity (line 41) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.47s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a8fa17b710624c5066e6980cbbaa2cd858724f3b62fc4fe98c7999357d97b2b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8fa17b710624c5066e6980cbbaa2cd858724f3b62fc4fe98c7999357d97b2b2", kill_on_drop: false }`
[INFO] [stdout] a8fa17b710624c5066e6980cbbaa2cd858724f3b62fc4fe98c7999357d97b2b2