[INFO] fetching crate meilib 0.1.2...
[INFO] checking meilib-0.1.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate meilib 0.1.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate meilib 0.1.2 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 meilib 0.1.2
[INFO] finished tweaking crates.io crate meilib 0.1.2
[INFO] tweaked toml for crates.io crate meilib 0.1.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate meilib 0.1.2 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]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.5
[INFO] [stderr]   Downloaded time-macros v0.1.0
[INFO] [stderr]   Downloaded serde_derive v1.0.110
[INFO] [stderr]   Downloaded futures-sink v0.3.5
[INFO] [stderr]   Downloaded time-macros-impl v0.1.1
[INFO] [stderr]   Downloaded actix-web v3.0.0-alpha.2
[INFO] [stderr]   Downloaded bytestring v0.1.5
[INFO] [stderr]   Downloaded actix-router v0.2.4
[INFO] [stderr]   Downloaded actix-testing v1.0.0
[INFO] [stderr]   Downloaded actix-tls v2.0.0-alpha.1
[INFO] [stderr]   Downloaded actix-server v1.0.2
[INFO] [stderr]   Downloaded linked-hash-map v0.5.3
[INFO] [stderr]   Downloaded awc v2.0.0-alpha.1
[INFO] [stderr]   Downloaded addr2line v0.12.0
[INFO] [stderr]   Downloaded object v0.19.0
[INFO] [stderr]   Downloaded libc v0.2.70
[INFO] [stderr]   Downloaded gimli v0.21.0
[INFO] [stderr]   Downloaded backtrace v0.3.47
[INFO] [stderr]   Downloaded trust-dns-proto v0.19.5
[INFO] [stderr]   Downloaded trust-dns-resolver v0.19.5
[INFO] [stderr]   Downloaded encoding_rs v0.8.23
[INFO] [stderr]   Downloaded h2 v0.2.5
[INFO] [stderr]   Downloaded actix-http v2.0.0-alpha.3
[INFO] [stderr]   Downloaded bumpalo v3.3.0
[INFO] [stderr]   Downloaded syn v1.0.21
[INFO] [stderr]   Downloaded futures-channel v0.3.5
[INFO] [stderr]   Downloaded pin-project-internal v0.4.16
[INFO] [stderr]   Downloaded standback v0.2.8
[INFO] [stderr]   Downloaded serde v1.0.110
[INFO] [stderr]   Downloaded async-trait v0.1.31
[INFO] [stderr]   Downloaded actix-connect v2.0.0-alpha.3
[INFO] [stderr]   Downloaded actix-macros v0.1.1
[INFO] [stderr]   Downloaded pin-project-lite v0.1.5
[INFO] [stderr]   Downloaded actix-service v1.0.5
[INFO] [stderr]   Downloaded derive_more v0.99.5
[INFO] [stderr]   Downloaded futures-io v0.3.5
[INFO] [stderr]   Downloaded futures v0.3.5
[INFO] [stderr]   Downloaded pin-project v0.4.16
[INFO] [stderr]   Downloaded thiserror-impl v1.0.17
[INFO] [stderr]   Downloaded actix-web-codegen v0.2.1
[INFO] [stderr]   Downloaded widestring v0.4.0
[INFO] [stderr]   Downloaded enum-as-inner v0.3.2
[INFO] [stderr]   Downloaded thiserror v1.0.17
[INFO] [stderr]   Downloaded tokio-util v0.2.0
[INFO] [stderr]   Downloaded actix-codec v0.2.0
[INFO] [stderr]   Downloaded actix-utils v1.0.6
[INFO] [stderr]   Downloaded actix-threadpool v0.3.1
[INFO] [stderr]   Downloaded copyless v0.1.4
[INFO] [stderr]   Downloaded futures-macro v0.3.5
[INFO] [stderr]   Downloaded base-x v0.2.6
[INFO] [stderr]   Downloaded time v0.2.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 366ad674f2727f4a2c0a641f46034aabfb32c7dcee8f228c4ae8c6d761c79447
[INFO] running `Command { std: "docker" "start" "-a" "366ad674f2727f4a2c0a641f46034aabfb32c7dcee8f228c4ae8c6d761c79447", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "366ad674f2727f4a2c0a641f46034aabfb32c7dcee8f228c4ae8c6d761c79447", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "366ad674f2727f4a2c0a641f46034aabfb32c7dcee8f228c4ae8c6d761c79447", kill_on_drop: false }`
[INFO] [stdout] 366ad674f2727f4a2c0a641f46034aabfb32c7dcee8f228c4ae8c6d761c79447
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6944fd6c40d9acdb59aa65a3233a83fa156b3c32d474fb417203713255125632
[INFO] running `Command { std: "docker" "start" "-a" "6944fd6c40d9acdb59aa65a3233a83fa156b3c32d474fb417203713255125632", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.21
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]     Checking arc-swap v0.4.6
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]     Checking pin-project-lite v0.1.5
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking copyless v0.1.4
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling standback v0.2.8
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking object v0.19.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling encoding_rs v0.8.23
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling time v0.2.16
[INFO] [stderr]     Checking resolv-conf v0.6.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling quote v1.0.5
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking bytestring v0.1.5
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking tokio v0.2.20
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking addr2line v0.12.0
[INFO] [stderr]     Checking backtrace v0.3.47
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking actix-codec v0.2.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.16
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling derive_more v0.99.5
[INFO] [stderr]    Compiling actix-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling thiserror-impl v1.0.17
[INFO] [stderr]    Compiling async-trait v0.1.31
[INFO] [stderr]    Compiling enum-as-inner v0.3.2
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling actix-web-codegen v0.2.1
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]     Checking thiserror v1.0.17
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking pin-project v0.4.16
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking actix-threadpool v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking actix-service v1.0.5
[INFO] [stderr]     Checking actix-rt v1.1.1
[INFO] [stderr]     Checking h2 v0.2.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking trust-dns-proto v0.19.5
[INFO] [stderr]     Checking actix-utils v1.0.6
[INFO] [stderr]     Checking actix-server v1.0.2
[INFO] [stderr]     Checking actix-tls v2.0.0-alpha.1
[INFO] [stderr]     Checking actix-testing v1.0.0
[INFO] [stderr]     Checking trust-dns-resolver v0.19.5
[INFO] [stderr]     Checking actix-connect v2.0.0-alpha.3
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking actix-router v0.2.4
[INFO] [stderr]     Checking actix-http v2.0.0-alpha.3
[INFO] [stderr]     Checking awc v2.0.0-alpha.1
[INFO] [stderr]     Checking actix-web v3.0.0-alpha.2
[INFO] [stderr]     Checking meilib v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 40.83s
[INFO] running `Command { std: "docker" "inspect" "6944fd6c40d9acdb59aa65a3233a83fa156b3c32d474fb417203713255125632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6944fd6c40d9acdb59aa65a3233a83fa156b3c32d474fb417203713255125632", kill_on_drop: false }`
[INFO] [stdout] 6944fd6c40d9acdb59aa65a3233a83fa156b3c32d474fb417203713255125632