[INFO] fetching crate preftool-toml 0.2.0...
[INFO] checking preftool-toml-0.2.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate preftool-toml 0.2.0 into /workspace/builds/worker-37/source
[INFO] validating manifest of crates.io crate preftool-toml 0.2.0 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate preftool-toml 0.2.0
[INFO] finished tweaking crates.io crate preftool-toml 0.2.0
[INFO] tweaked toml for crates.io crate preftool-toml 0.2.0 written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded caseless v0.2.1
[INFO] [stderr]   Downloaded slog-stdlog v3.0.5
[INFO] [stderr]   Downloaded preftool v0.2.0
[INFO] [stderr]   Downloaded preftool-file v0.2.0
[INFO] [stderr]   Downloaded dirs-sys v0.1.0
[INFO] [stderr]   Downloaded preftool-dirs v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 272b276ffa551e92c979d4621fbfcf06a7b10824a2fae184d74931afd7842d31
[INFO] running `Command { std: "docker" "start" "-a" "272b276ffa551e92c979d4621fbfcf06a7b10824a2fae184d74931afd7842d31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "272b276ffa551e92c979d4621fbfcf06a7b10824a2fae184d74931afd7842d31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "272b276ffa551e92c979d4621fbfcf06a7b10824a2fae184d74931afd7842d31", kill_on_drop: false }`
[INFO] [stdout] 272b276ffa551e92c979d4621fbfcf06a7b10824a2fae184d74931afd7842d31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a07b42b57bf1e3392885db3f91a2d087bd5754dffe0ce1f4a889f990a1ff4c9
[INFO] running `Command { std: "docker" "start" "-a" "2a07b42b57bf1e3392885db3f91a2d087bd5754dffe0ce1f4a889f990a1ff4c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking arc-swap v1.4.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking libc v0.2.102
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking tinyvec v1.4.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking slog-scope v4.4.0
[INFO] [stderr]     Checking dirs-sys v0.1.0
[INFO] [stderr]     Checking slog-stdlog v3.0.5
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking object v0.26.2
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling caseless v0.2.1
[INFO] [stderr]     Checking preftool v0.2.0
[INFO] [stderr]     Checking preftool-dirs v0.2.0
[INFO] [stderr]     Checking preftool-file v0.2.0
[INFO] [stderr]     Checking preftool-toml v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.99s
[INFO] running `Command { std: "docker" "inspect" "2a07b42b57bf1e3392885db3f91a2d087bd5754dffe0ce1f4a889f990a1ff4c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a07b42b57bf1e3392885db3f91a2d087bd5754dffe0ce1f4a889f990a1ff4c9", kill_on_drop: false }`
[INFO] [stdout] 2a07b42b57bf1e3392885db3f91a2d087bd5754dffe0ce1f4a889f990a1ff4c9