[INFO] fetching crate string_cache 0.8.1...
[INFO] testing string_cache-0.8.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate string_cache 0.8.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate string_cache 0.8.1 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 string_cache 0.8.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate string_cache 0.8.1
[INFO] tweaked toml for crates.io crate string_cache 0.8.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate string_cache 0.8.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded new_debug_unreachable v1.0.3
[INFO] [stderr]   Downloaded serde v1.0.98
[INFO] [stderr]   Downloaded siphasher v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 099eac7b8a5316c40a469cf76199d087211a18dadfb631f8f405a84f01b98339
[INFO] running `Command { std: "docker" "start" "-a" "099eac7b8a5316c40a469cf76199d087211a18dadfb631f8f405a84f01b98339", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "099eac7b8a5316c40a469cf76199d087211a18dadfb631f8f405a84f01b98339", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "099eac7b8a5316c40a469cf76199d087211a18dadfb631f8f405a84f01b98339", kill_on_drop: false }`
[INFO] [stdout] 099eac7b8a5316c40a469cf76199d087211a18dadfb631f8f405a84f01b98339
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 1445b5f2701b391416d18938b6a5d3477bde24f6ae6238d6c5ae0df73a7af552
[INFO] running `Command { std: "docker" "start" "-a" "1445b5f2701b391416d18938b6a5d3477bde24f6ae6238d6c5ae0df73a7af552", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling siphasher v0.3.1
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.3
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling string_cache v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.39s
[INFO] running `Command { std: "docker" "inspect" "1445b5f2701b391416d18938b6a5d3477bde24f6ae6238d6c5ae0df73a7af552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1445b5f2701b391416d18938b6a5d3477bde24f6ae6238d6c5ae0df73a7af552", kill_on_drop: false }`
[INFO] [stdout] 1445b5f2701b391416d18938b6a5d3477bde24f6ae6238d6c5ae0df73a7af552
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 977961a596679eb577b2795d0e234c013df3ad82d28b9300b8cecbf93b6f6ef0
[INFO] running `Command { std: "docker" "start" "-a" "977961a596679eb577b2795d0e234c013df3ad82d28b9300b8cecbf93b6f6ef0", kill_on_drop: false }`
[INFO] [stderr]    Compiling string_cache v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "977961a596679eb577b2795d0e234c013df3ad82d28b9300b8cecbf93b6f6ef0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "977961a596679eb577b2795d0e234c013df3ad82d28b9300b8cecbf93b6f6ef0", kill_on_drop: false }`
[INFO] [stdout] 977961a596679eb577b2795d0e234c013df3ad82d28b9300b8cecbf93b6f6ef0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] fb57fd40296f1bdd51f8cd33f252e4555c78c1ad5ed28d20c501b6bdec202f5a
[INFO] running `Command { std: "docker" "start" "-a" "fb57fd40296f1bdd51f8cd33f252e4555c78c1ad5ed28d20c501b6bdec202f5a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/string_cache-de1684e629635803)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test assert_sizes ... ok
[INFO] [stdout] test dynamic_set::entry_alignment_is_sufficient ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/small-stack.rs (/opt/rustwide/target/debug/deps/small_stack-dfe3da8f9003f960)
[INFO] [stderr]    Doc-tests string_cache
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/atom.rs - atom::Atom (line 63) ... ignored
[INFO] [stdout] test src/lib.rs - (line 36) ... ignored
[INFO] [stdout] test src/lib.rs - (line 52) ... ignored
[INFO] [stdout] test src/lib.rs - (line 75) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out; finished in 0.30s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fb57fd40296f1bdd51f8cd33f252e4555c78c1ad5ed28d20c501b6bdec202f5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb57fd40296f1bdd51f8cd33f252e4555c78c1ad5ed28d20c501b6bdec202f5a", kill_on_drop: false }`
[INFO] [stdout] fb57fd40296f1bdd51f8cd33f252e4555c78c1ad5ed28d20c501b6bdec202f5a