[INFO] fetching crate preftool-derive 0.2.0...
[INFO] testing preftool-derive-0.2.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate preftool-derive 0.2.0 into /workspace/builds/worker-7-tc1/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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate preftool-derive 0.2.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 54 packages to latest compatible versions
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.5.48)
[INFO] [stderr]       Adding syn v0.15.44 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slog v2.7.0
[INFO] [stderr]   Downloaded slog-scope v4.4.0
[INFO] [stderr]   Downloaded slog-stdlog v3.0.5
[INFO] [stderr]   Downloaded preftool v0.2.0
[INFO] [stderr]   Downloaded caseless v0.2.2
[INFO] [stderr]   Downloaded crossbeam v0.2.12
[INFO] [stderr]   Downloaded preftool-derive-core v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f32a89c95c0e5aa68c5dbe7c8fc18af582203197537ed09f4216bd4c0d2716b
[INFO] running `Command { std: "docker" "start" "-a" "8f32a89c95c0e5aa68c5dbe7c8fc18af582203197537ed09f4216bd4c0d2716b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f32a89c95c0e5aa68c5dbe7c8fc18af582203197537ed09f4216bd4c0d2716b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f32a89c95c0e5aa68c5dbe7c8fc18af582203197537ed09f4216bd4c0d2716b", kill_on_drop: false }`
[INFO] [stdout] 8f32a89c95c0e5aa68c5dbe7c8fc18af582203197537ed09f4216bd4c0d2716b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f424c6c59af3c9ee964c0d580ae07520574e2fefe4a8e665d54936de04a6393e
[INFO] running `Command { std: "docker" "start" "-a" "f424c6c59af3c9ee964c0d580ae07520574e2fefe4a8e665d54936de04a6393e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling darling_core v0.9.0
[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 8.95s
[INFO] running `Command { std: "docker" "inspect" "f424c6c59af3c9ee964c0d580ae07520574e2fefe4a8e665d54936de04a6393e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f424c6c59af3c9ee964c0d580ae07520574e2fefe4a8e665d54936de04a6393e", kill_on_drop: false }`
[INFO] [stdout] f424c6c59af3c9ee964c0d580ae07520574e2fefe4a8e665d54936de04a6393e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65c78d473a91b2ff083cb8d454079f9d4cc846169ffb71462058bfffc8c44433
[INFO] running `Command { std: "docker" "start" "-a" "65c78d473a91b2ff083cb8d454079f9d4cc846169ffb71462058bfffc8c44433", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling arc-swap v1.7.1
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling caseless v0.2.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling slog-scope v4.4.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling slog-stdlog v3.0.5
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling preftool v0.2.0
[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 `test` profile [unoptimized + debuginfo] target(s) in 19.12s
[INFO] running `Command { std: "docker" "inspect" "65c78d473a91b2ff083cb8d454079f9d4cc846169ffb71462058bfffc8c44433", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65c78d473a91b2ff083cb8d454079f9d4cc846169ffb71462058bfffc8c44433", kill_on_drop: false }`
[INFO] [stdout] 65c78d473a91b2ff083cb8d454079f9d4cc846169ffb71462058bfffc8c44433
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8f3a315924a984ffa363ef3c64d76c524191e2f32770b62261f3a29f0f97958f
[INFO] running `Command { std: "docker" "start" "-a" "8f3a315924a984ffa363ef3c64d76c524191e2f32770b62261f3a29f0f97958f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/preftool_derive-16942ecde7436268)
[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]      Running tests/simple.rs (/opt/rustwide/target/debug/deps/simple-a9b994fc7f45e234)
[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 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests preftool_derive
[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" "8f3a315924a984ffa363ef3c64d76c524191e2f32770b62261f3a29f0f97958f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f3a315924a984ffa363ef3c64d76c524191e2f32770b62261f3a29f0f97958f", kill_on_drop: false }`
[INFO] [stdout] 8f3a315924a984ffa363ef3c64d76c524191e2f32770b62261f3a29f0f97958f