[INFO] fetching crate preftool-derive 0.2.0...
[INFO] testing preftool-derive-0.2.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate preftool-derive 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate preftool-derive 0.2.0
[INFO] finished tweaking crates.io crate preftool-derive 0.2.0
[INFO] tweaked toml for crates.io crate preftool-derive 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate preftool-derive 0.2.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 64 packages to latest compatible versions
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.6.0)
[INFO] [stderr]       Adding syn v0.15.44 (available: v2.0.117)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68b319ca5e4ef65924138b9b5aa49806ccdbc12e4186c333e082d4dd174f5c4b
[INFO] running `Command { std: "docker" "start" "-a" "68b319ca5e4ef65924138b9b5aa49806ccdbc12e4186c333e082d4dd174f5c4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68b319ca5e4ef65924138b9b5aa49806ccdbc12e4186c333e082d4dd174f5c4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68b319ca5e4ef65924138b9b5aa49806ccdbc12e4186c333e082d4dd174f5c4b", kill_on_drop: false }`
[INFO] [stdout] 68b319ca5e4ef65924138b9b5aa49806ccdbc12e4186c333e082d4dd174f5c4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c450137e74fe7f0f876c7dca49cbd3ac2e2a34d25479775936253c6df4ca48e
[INFO] running `Command { std: "docker" "start" "-a" "4c450137e74fe7f0f876c7dca49cbd3ac2e2a34d25479775936253c6df4ca48e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling preftool-derive-core v0.2.0
[INFO] [stderr]    Compiling preftool-derive v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.24s
[INFO] running `Command { std: "docker" "inspect" "4c450137e74fe7f0f876c7dca49cbd3ac2e2a34d25479775936253c6df4ca48e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c450137e74fe7f0f876c7dca49cbd3ac2e2a34d25479775936253c6df4ca48e", kill_on_drop: false }`
[INFO] [stdout] 4c450137e74fe7f0f876c7dca49cbd3ac2e2a34d25479775936253c6df4ca48e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a95ecdbd8324512a4102688d66e7f85f45f791814d6d3275738de65a41fea13e
[INFO] running `Command { std: "docker" "start" "-a" "a95ecdbd8324512a4102688d66e7f85f45f791814d6d3275738de65a41fea13e", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling slog v2.8.2
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling arc-swap v1.9.1
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling caseless v0.2.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling erased-serde v0.3.31
[INFO] [stderr]    Compiling slog-scope v4.4.1
[INFO] [stderr]    Compiling slog-stdlog v3.0.5
[INFO] [stderr]    Compiling preftool v0.2.0
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling preftool-derive-core v0.2.0
[INFO] [stderr]    Compiling preftool-derive v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 17.89s
[INFO] running `Command { std: "docker" "inspect" "a95ecdbd8324512a4102688d66e7f85f45f791814d6d3275738de65a41fea13e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a95ecdbd8324512a4102688d66e7f85f45f791814d6d3275738de65a41fea13e", kill_on_drop: false }`
[INFO] [stdout] a95ecdbd8324512a4102688d66e7f85f45f791814d6d3275738de65a41fea13e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 626924e6674daf27e573b7539d98d3aadb685eb448c6c2d27c13071eb21918d9
[INFO] running `Command { std: "docker" "start" "-a" "626924e6674daf27e573b7539d98d3aadb685eb448c6c2d27c13071eb21918d9", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/preftool_derive-98849d5f58223235)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/simple.rs (/opt/rustwide/target/debug/deps/simple-374ab2810e27c2aa)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests preftool_derive
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test nested_structs ... ok
[INFO] [stdout] test reads_value_from_config ... ok
[INFO] [stdout] test works_with_empty_config ... 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] [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" "626924e6674daf27e573b7539d98d3aadb685eb448c6c2d27c13071eb21918d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "626924e6674daf27e573b7539d98d3aadb685eb448c6c2d27c13071eb21918d9", kill_on_drop: false }`
[INFO] [stdout] 626924e6674daf27e573b7539d98d3aadb685eb448c6c2d27c13071eb21918d9