[INFO] cloning repository https://github.com/AlexiWolf/fluff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlexiWolf/fluff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexiWolf%2Ffluff", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexiWolf%2Ffluff'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5139140e5ae178dfe302862b795d35001b2513b7
[INFO] checking AlexiWolf/fluff against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexiWolf%2Ffluff" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AlexiWolf/fluff 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 git repo https://github.com/AlexiWolf/fluff
[INFO] finished tweaking git repo https://github.com/AlexiWolf/fluff
[INFO] tweaked toml for git repo https://github.com/AlexiWolf/fluff written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/AlexiWolf/fluff already has a lockfile, it will not be regenerated
[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 derive_builder_core v0.9.0
[INFO] [stderr]   Downloaded derive-new v0.5.9
[INFO] [stderr]   Downloaded derive_builder v0.9.0
[INFO] [stderr]   Downloaded rspec v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 994106f979584824805faf5686c645660f55b283ea7a6be4119a7b19e0253921
[INFO] running `Command { std: "docker" "start" "-a" "994106f979584824805faf5686c645660f55b283ea7a6be4119a7b19e0253921", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "994106f979584824805faf5686c645660f55b283ea7a6be4119a7b19e0253921", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "994106f979584824805faf5686c645660f55b283ea7a6be4119a7b19e0253921", kill_on_drop: false }`
[INFO] [stdout] 994106f979584824805faf5686c645660f55b283ea7a6be4119a7b19e0253921
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] bac555168fda39f5572965fa878d0132d873de4f27ddd306754064ee86c957d2
[INFO] running `Command { std: "docker" "start" "-a" "bac555168fda39f5572965fa878d0132d873de4f27ddd306754064ee86c957d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking fluff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking rspec v1.0.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.45s
[INFO] running `Command { std: "docker" "inspect" "bac555168fda39f5572965fa878d0132d873de4f27ddd306754064ee86c957d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bac555168fda39f5572965fa878d0132d873de4f27ddd306754064ee86c957d2", kill_on_drop: false }`
[INFO] [stdout] bac555168fda39f5572965fa878d0132d873de4f27ddd306754064ee86c957d2