[INFO] fetching crate goku 0.1.1...
[INFO] checking goku-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate goku 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate goku 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 goku 0.1.1
[INFO] finished tweaking crates.io crate goku 0.1.1
[INFO] tweaked toml for crates.io crate goku 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate goku 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 indicatif v0.13.0
[INFO] [stderr]   Downloaded number_prefix v0.3.0
[INFO] [stderr]   Downloaded broadcaster v0.2.6
[INFO] [stderr]   Downloaded futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded async-macros v1.0.0
[INFO] [stderr]   Downloaded serde_json v1.0.41
[INFO] [stderr]   Downloaded crossbeam-channel v0.3.9
[INFO] [stderr]   Downloaded futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded libc v0.2.65
[INFO] [stderr]   Downloaded mio v0.6.19
[INFO] [stderr]   Downloaded async-std v0.99.12
[INFO] [stderr]   Downloaded syn v1.0.8
[INFO] [stderr]   Downloaded unicode-normalization v0.1.9
[INFO] [stderr]   Downloaded async-task v1.0.0
[INFO] [stderr]   Downloaded futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded lock_api v0.3.1
[INFO] [stderr]   Downloaded arrayvec v0.4.12
[INFO] [stderr]   Downloaded scopeguard v1.0.0
[INFO] [stderr]   Downloaded crossbeam-epoch v0.7.2
[INFO] [stderr]   Downloaded futures-core v0.3.1
[INFO] [stderr]   Downloaded futures-io v0.3.1
[INFO] [stderr]   Downloaded futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-timer v1.0.3
[INFO] [stderr]   Downloaded kv-log-macro v1.0.4
[INFO] [stderr]   Downloaded mio-uds v0.6.7
[INFO] [stderr]   Downloaded num_cpus v1.11.0
[INFO] [stderr]   Downloaded once_cell v1.2.0
[INFO] [stderr]   Downloaded pin-project-lite v0.1.0
[INFO] [stderr]   Downloaded console v0.9.1
[INFO] [stderr]   Downloaded serde v1.0.102
[INFO] [stderr]   Downloaded url v2.1.0
[INFO] [stderr]   Downloaded nodrop v0.1.14
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.1
[INFO] [stderr]   Downloaded pin-utils v0.1.0-alpha.4
[INFO] [stderr]   Downloaded clicolors-control v1.0.1
[INFO] [stderr]   Downloaded termios v0.3.1
[INFO] [stderr]   Downloaded serde_derive v1.0.102
[INFO] [stderr]   Downloaded memoffset v0.5.2
[INFO] [stderr]   Downloaded hermit-abi v0.1.3
[INFO] [stderr]   Downloaded proc-macro2 v1.0.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] bde0ab76fcb171a03202635604adcc7e8c92779a535c65f2cb36161a50db41a3
[INFO] running `Command { std: "docker" "start" "-a" "bde0ab76fcb171a03202635604adcc7e8c92779a535c65f2cb36161a50db41a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bde0ab76fcb171a03202635604adcc7e8c92779a535c65f2cb36161a50db41a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bde0ab76fcb171a03202635604adcc7e8c92779a535c65f2cb36161a50db41a3", kill_on_drop: false }`
[INFO] [stdout] bde0ab76fcb171a03202635604adcc7e8c92779a535c65f2cb36161a50db41a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 1606ff4048d2dc5b95d3da1e264161085218d5423ef220adfbbb90aaa00a292c
[INFO] running `Command { std: "docker" "start" "-a" "1606ff4048d2dc5b95d3da1e264161085218d5423ef220adfbbb90aaa00a292c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling memoffset v0.5.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking unicode-normalization v0.1.9
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking async-task v1.0.0
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking async-macros v1.0.0
[INFO] [stderr]     Checking futures-timer v1.0.3
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking pin-project-lite v0.1.0
[INFO] [stderr]     Checking once_cell v1.2.0
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking num_cpus v1.11.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking broadcaster v0.2.6
[INFO] [stderr]     Checking async-std v0.99.12
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking console v0.9.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]     Checking indicatif v0.13.0
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking goku v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.67s
[INFO] running `Command { std: "docker" "inspect" "1606ff4048d2dc5b95d3da1e264161085218d5423ef220adfbbb90aaa00a292c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1606ff4048d2dc5b95d3da1e264161085218d5423ef220adfbbb90aaa00a292c", kill_on_drop: false }`
[INFO] [stdout] 1606ff4048d2dc5b95d3da1e264161085218d5423ef220adfbbb90aaa00a292c