[INFO] fetching crate qparas 0.1.0...
[INFO] building qparas-0.1.0 against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] extracting crate qparas 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate qparas 0.1.0 on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qparas 0.1.0
[INFO] finished tweaking crates.io crate qparas 0.1.0
[INFO] tweaked toml for crates.io crate qparas 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate qparas 0.1.0 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4ff37cfc52c3a84070de19a1d4925a9e558aac94c27caf39c8aa4f1ea0768b8
[INFO] running `Command { std: "docker" "start" "-a" "b4ff37cfc52c3a84070de19a1d4925a9e558aac94c27caf39c8aa4f1ea0768b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4ff37cfc52c3a84070de19a1d4925a9e558aac94c27caf39c8aa4f1ea0768b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4ff37cfc52c3a84070de19a1d4925a9e558aac94c27caf39c8aa4f1ea0768b8", kill_on_drop: false }`
[INFO] [stdout] b4ff37cfc52c3a84070de19a1d4925a9e558aac94c27caf39c8aa4f1ea0768b8
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 863e432daa86b4334aa464a35d909f8033aeb721a6c72c588b3ff090d37e8cc6
[INFO] running `Command { std: "docker" "start" "-a" "863e432daa86b4334aa464a35d909f8033aeb721a6c72c588b3ff090d37e8cc6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling tracing-core v0.1.26
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling once_cell v1.10.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling httparse v1.7.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling tinyvec v1.5.1
[INFO] [stderr]    Compiling http v0.2.6
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling slab v0.4.6
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling ipnet v2.5.0
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling mio v0.8.2
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling http-body v0.4.4
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.20
[INFO] [stderr]    Compiling tokio v1.17.0
[INFO] [stderr]    Compiling tracing v0.1.34
[INFO] [stderr]    Compiling tokio-util v0.7.1
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling h2 v0.3.13
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling hyper v0.14.18
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.10
[INFO] [stderr]    Compiling qparas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.96s
[INFO] running `Command { std: "docker" "inspect" "863e432daa86b4334aa464a35d909f8033aeb721a6c72c588b3ff090d37e8cc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "863e432daa86b4334aa464a35d909f8033aeb721a6c72c588b3ff090d37e8cc6", kill_on_drop: false }`
[INFO] [stdout] 863e432daa86b4334aa464a35d909f8033aeb721a6c72c588b3ff090d37e8cc6
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f07704035c235703c5e23111f572fc80298a246c723d01fc126761f0d7eae70d
[INFO] running `Command { std: "docker" "start" "-a" "f07704035c235703c5e23111f572fc80298a246c723d01fc126761f0d7eae70d", kill_on_drop: false }`
[INFO] [stderr]    Compiling qparas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "f07704035c235703c5e23111f572fc80298a246c723d01fc126761f0d7eae70d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f07704035c235703c5e23111f572fc80298a246c723d01fc126761f0d7eae70d", kill_on_drop: false }`
[INFO] [stdout] f07704035c235703c5e23111f572fc80298a246c723d01fc126761f0d7eae70d