[INFO] fetching crate buna 0.1.1... [INFO] checking buna-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate buna 0.1.1 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate buna 0.1.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate buna 0.1.1 [INFO] finished tweaking crates.io crate buna 0.1.1 [INFO] tweaked toml for crates.io crate buna 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate buna 0.1.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded hermit-abi v0.1.3 [INFO] [stderr] Downloaded pin-project-lite v0.1.1 [INFO] [stderr] Downloaded memoffset v0.5.3 [INFO] [stderr] Downloaded num-derive v0.2.5 [INFO] [stderr] Downloaded winapi-util v0.1.2 [INFO] [stderr] Downloaded tokio-macros v0.2.0 [INFO] [stderr] Downloaded wincolor v1.0.2 [INFO] [stderr] Downloaded crossbeam-deque v0.7.2 [INFO] [stderr] Downloaded quick-error v1.2.2 [INFO] [stderr] Downloaded yaml-rust v0.3.5 [INFO] [stderr] Downloaded rayon-core v1.6.1 [INFO] [stderr] Downloaded aho-corasick v0.7.6 [INFO] [stderr] Downloaded regex-syntax v0.6.12 [INFO] [stderr] Downloaded regex v1.3.1 [INFO] [stderr] Downloaded rayon v1.2.1 [INFO] [stderr] Downloaded jpeg-decoder v0.1.18 [INFO] [stderr] Downloaded deflate v0.7.20 [INFO] [stderr] Downloaded image v0.22.3 [INFO] [stderr] Downloaded tokio v0.2.4 [INFO] [stderr] Downloaded num-iter v0.1.39 [INFO] [stderr] Downloaded gif v0.10.3 [INFO] [stderr] Downloaded crossbeam-epoch v0.8.0 [INFO] [stderr] Downloaded crossbeam-utils v0.7.0 [INFO] [stderr] Downloaded crc32fast v1.2.0 [INFO] [stderr] Downloaded png v0.15.2 [INFO] [stderr] Downloaded bytes v0.5.3 [INFO] [stderr] Downloaded memchr v2.2.1 [INFO] [stderr] Downloaded termcolor v1.0.5 [INFO] [stderr] Downloaded either v1.5.3 [INFO] [stderr] Downloaded scopeguard v1.0.0 [INFO] [stderr] Downloaded num_cpus v1.11.1 [INFO] [stderr] Downloaded num-rational v0.2.2 [INFO] [stderr] Downloaded adler32 v1.0.4 [INFO] [stderr] Downloaded inflate v0.4.5 [INFO] [stderr] Downloaded lzw v0.10.0 [INFO] [stderr] Downloaded crossbeam-queue v0.2.0 [INFO] [stderr] Downloaded byteorder v1.3.2 [INFO] [stderr] Downloaded tiff v0.3.1 [INFO] [stderr] Downloaded log v0.4.10 [INFO] [stderr] Downloaded color_quant v1.0.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9d05d2eece64e4fe42800de89a68a764153128f2b34df237a39df8f5867f8a2b [INFO] running `Command { std: "docker" "start" "-a" "9d05d2eece64e4fe42800de89a68a764153128f2b34df237a39df8f5867f8a2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9d05d2eece64e4fe42800de89a68a764153128f2b34df237a39df8f5867f8a2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d05d2eece64e4fe42800de89a68a764153128f2b34df237a39df8f5867f8a2b", kill_on_drop: false }` [INFO] [stdout] 9d05d2eece64e4fe42800de89a68a764153128f2b34df237a39df8f5867f8a2b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 89e496eb8d6d3b26417544ad798f889b865c5f05ba296b5e8423e2d0b8960a2c [INFO] running `Command { std: "docker" "start" "-a" "89e496eb8d6d3b26417544ad798f889b865c5f05ba296b5e8423e2d0b8960a2c", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling rayon-core v1.6.1 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Checking adler32 v1.0.4 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Compiling log v0.4.10 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking inflate v0.4.5 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking gif v0.10.3 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking bytes v0.5.3 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking yaml-rust v0.3.5 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking pin-project-lite v0.1.1 [INFO] [stderr] Checking termcolor v1.0.5 [INFO] [stderr] Checking deflate v0.7.20 [INFO] [stderr] Checking crossbeam-queue v0.2.0 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking num_cpus v1.11.1 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking png v0.15.2 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Checking rayon v1.2.1 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking jpeg-decoder v0.1.18 [INFO] [stderr] Checking tiff v0.3.1 [INFO] [stderr] Compiling tokio-macros v0.2.0 [INFO] [stderr] Checking image v0.22.3 [INFO] [stderr] Checking tokio v0.2.4 [INFO] [stderr] Checking buna v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.15s [INFO] running `Command { std: "docker" "inspect" "89e496eb8d6d3b26417544ad798f889b865c5f05ba296b5e8423e2d0b8960a2c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "89e496eb8d6d3b26417544ad798f889b865c5f05ba296b5e8423e2d0b8960a2c", kill_on_drop: false }` [INFO] [stdout] 89e496eb8d6d3b26417544ad798f889b865c5f05ba296b5e8423e2d0b8960a2c