[INFO] fetching crate serde-strz 1.1.1...
[INFO] testing serde-strz-1.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate serde-strz 1.1.1 into /workspace/builds/worker-88/source
[INFO] validating manifest of crates.io crate serde-strz 1.1.1 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 serde-strz 1.1.1
[INFO] finished tweaking crates.io crate serde-strz 1.1.1
[INFO] tweaked toml for crates.io crate serde-strz 1.1.1 written to /workspace/builds/worker-88/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-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] f86ba845c77538d97f09446182a4bfd3787dcc76a77692b03b6332b0d9d19d13
[INFO] running `Command { std: "docker" "start" "-a" "f86ba845c77538d97f09446182a4bfd3787dcc76a77692b03b6332b0d9d19d13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f86ba845c77538d97f09446182a4bfd3787dcc76a77692b03b6332b0d9d19d13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f86ba845c77538d97f09446182a4bfd3787dcc76a77692b03b6332b0d9d19d13", kill_on_drop: false }`
[INFO] [stdout] f86ba845c77538d97f09446182a4bfd3787dcc76a77692b03b6332b0d9d19d13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] 115f4acce51d224faf7438c0603f679119cb30f30acdb4a17aeefa7562f8a025
[INFO] running `Command { std: "docker" "start" "-a" "115f4acce51d224faf7438c0603f679119cb30f30acdb4a17aeefa7562f8a025", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde-strz v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.05s
[INFO] running `Command { std: "docker" "inspect" "115f4acce51d224faf7438c0603f679119cb30f30acdb4a17aeefa7562f8a025", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "115f4acce51d224faf7438c0603f679119cb30f30acdb4a17aeefa7562f8a025", kill_on_drop: false }`
[INFO] [stdout] 115f4acce51d224faf7438c0603f679119cb30f30acdb4a17aeefa7562f8a025
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] ac60b6de2cb2894b3a82903f629de50afab91b3a25ec2ea6d1ecd6a299fc4c2b
[INFO] running `Command { std: "docker" "start" "-a" "ac60b6de2cb2894b3a82903f629de50afab91b3a25ec2ea6d1ecd6a299fc4c2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling serde-strz v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 19.89s
[INFO] running `Command { std: "docker" "inspect" "ac60b6de2cb2894b3a82903f629de50afab91b3a25ec2ea6d1ecd6a299fc4c2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac60b6de2cb2894b3a82903f629de50afab91b3a25ec2ea6d1ecd6a299fc4c2b", kill_on_drop: false }`
[INFO] [stdout] ac60b6de2cb2894b3a82903f629de50afab91b3a25ec2ea6d1ecd6a299fc4c2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] 2ccbb559449fd85457097077149ab2ebd9aac013527af2873eed1e6f1b9540e1
[INFO] running `Command { std: "docker" "start" "-a" "2ccbb559449fd85457097077149ab2ebd9aac013527af2873eed1e6f1b9540e1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serde_strz-c608b796aa551227)
[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] [stderr]    Doc-tests serde-strz
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/emp.rs - emp (line 5) ... ok
[INFO] [stdout] test src/opt.rs - opt (line 5) ... ok
[INFO] [stdout] test src/emp.rs - emp (line 85) ... ok
[INFO] [stdout] test src/emp.rs - emp (line 34) ... ok
[INFO] [stdout] test src/opt.rs - opt (line 34) ... ok
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] test src/emp.rs - emp (line 60) ... ok
[INFO] [stdout] test src/opt.rs - opt (line 60) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.86s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2ccbb559449fd85457097077149ab2ebd9aac013527af2873eed1e6f1b9540e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ccbb559449fd85457097077149ab2ebd9aac013527af2873eed1e6f1b9540e1", kill_on_drop: false }`
[INFO] [stdout] 2ccbb559449fd85457097077149ab2ebd9aac013527af2873eed1e6f1b9540e1