[INFO] fetching crate serde-strings 0.1.0...
[INFO] testing serde-strings-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate serde-strings 0.1.0 into /workspace/builds/worker-97/source
[INFO] validating manifest of crates.io crate serde-strings 0.1.0 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 serde-strings 0.1.0
[INFO] finished tweaking crates.io crate serde-strings 0.1.0
[INFO] tweaked toml for crates.io crate serde-strings 0.1.0 written to /workspace/builds/worker-97/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] f6aa29b8024ca8a2aa4192e44b9138b60fb36c2e93749e388322183f7f459002
[INFO] running `Command { std: "docker" "start" "-a" "f6aa29b8024ca8a2aa4192e44b9138b60fb36c2e93749e388322183f7f459002", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6aa29b8024ca8a2aa4192e44b9138b60fb36c2e93749e388322183f7f459002", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6aa29b8024ca8a2aa4192e44b9138b60fb36c2e93749e388322183f7f459002", kill_on_drop: false }`
[INFO] [stdout] f6aa29b8024ca8a2aa4192e44b9138b60fb36c2e93749e388322183f7f459002
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] d048fd0abc32bdaa0813b6b36e74c1b44d239ccfb46f5d0baa588ddf60b96622
[INFO] running `Command { std: "docker" "start" "-a" "d048fd0abc32bdaa0813b6b36e74c1b44d239ccfb46f5d0baa588ddf60b96622", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde-strings v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.89s
[INFO] running `Command { std: "docker" "inspect" "d048fd0abc32bdaa0813b6b36e74c1b44d239ccfb46f5d0baa588ddf60b96622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d048fd0abc32bdaa0813b6b36e74c1b44d239ccfb46f5d0baa588ddf60b96622", kill_on_drop: false }`
[INFO] [stdout] d048fd0abc32bdaa0813b6b36e74c1b44d239ccfb46f5d0baa588ddf60b96622
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] 9dd00c70dae2b2ac71c39ab0b6de97b402af7e8ac126e2e700c12c3f5e4410c0
[INFO] running `Command { std: "docker" "start" "-a" "9dd00c70dae2b2ac71c39ab0b6de97b402af7e8ac126e2e700c12c3f5e4410c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde-strings v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 18.04s
[INFO] running `Command { std: "docker" "inspect" "9dd00c70dae2b2ac71c39ab0b6de97b402af7e8ac126e2e700c12c3f5e4410c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dd00c70dae2b2ac71c39ab0b6de97b402af7e8ac126e2e700c12c3f5e4410c0", kill_on_drop: false }`
[INFO] [stdout] 9dd00c70dae2b2ac71c39ab0b6de97b402af7e8ac126e2e700c12c3f5e4410c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] 3a69b5e7f7983ca73bf51fd66263f8a5acd831abd202823c67294922a06171f8
[INFO] running `Command { std: "docker" "start" "-a" "3a69b5e7f7983ca73bf51fd66263f8a5acd831abd202823c67294922a06171f8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serde_strings-b16cc24e631925d2)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_de::test_parse ... ok
[INFO] [stdout] test test_ser::test_display ... 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]    Doc-tests serde-strings
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3a69b5e7f7983ca73bf51fd66263f8a5acd831abd202823c67294922a06171f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a69b5e7f7983ca73bf51fd66263f8a5acd831abd202823c67294922a06171f8", kill_on_drop: false }`
[INFO] [stdout] 3a69b5e7f7983ca73bf51fd66263f8a5acd831abd202823c67294922a06171f8