[INFO] fetching crate flint 2.2.0... [INFO] testing flint-2.2.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] extracting crate flint 2.2.0 into /workspace/builds/worker-23/source [INFO] validating manifest of crates.io crate flint 2.2.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate flint 2.2.0 [INFO] finished tweaking crates.io crate flint 2.2.0 [INFO] tweaked toml for crates.io crate flint 2.2.0 written to /workspace/builds/worker-23/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded sane v0.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4314e54247385f258475d481539745b626df7c015fd57ccac71f6a08e2f154e7 [INFO] running `Command { std: "docker" "start" "-a" "4314e54247385f258475d481539745b626df7c015fd57ccac71f6a08e2f154e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4314e54247385f258475d481539745b626df7c015fd57ccac71f6a08e2f154e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4314e54247385f258475d481539745b626df7c015fd57ccac71f6a08e2f154e7", kill_on_drop: false }` [INFO] [stdout] 4314e54247385f258475d481539745b626df7c015fd57ccac71f6a08e2f154e7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a5d23c9f6a026ba729dbc76c9915fa4dde94600097aa7d21983819d914a997bd [INFO] running `Command { std: "docker" "start" "-a" "a5d23c9f6a026ba729dbc76c9915fa4dde94600097aa7d21983819d914a997bd", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling libc v0.2.107 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling once_cell v1.8.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling bstr v0.2.17 [INFO] [stderr] Compiling thread_local v1.1.3 [INFO] [stderr] Compiling globset v0.4.8 [INFO] [stderr] Compiling ignore v0.4.18 [INFO] [stderr] Compiling backtrace v0.3.63 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling sane v0.2.1 [INFO] [stderr] Compiling flint v2.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 47.31s [INFO] running `Command { std: "docker" "inspect" "a5d23c9f6a026ba729dbc76c9915fa4dde94600097aa7d21983819d914a997bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5d23c9f6a026ba729dbc76c9915fa4dde94600097aa7d21983819d914a997bd", kill_on_drop: false }` [INFO] [stdout] a5d23c9f6a026ba729dbc76c9915fa4dde94600097aa7d21983819d914a997bd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 32adad75fa9410b6a384c64fb4aa89ca1065c1d17f3f4978c47dbc2efcb691bc [INFO] running `Command { std: "docker" "start" "-a" "32adad75fa9410b6a384c64fb4aa89ca1065c1d17f3f4978c47dbc2efcb691bc", kill_on_drop: false }` [INFO] [stderr] Compiling flint v2.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.80s [INFO] running `Command { std: "docker" "inspect" "32adad75fa9410b6a384c64fb4aa89ca1065c1d17f3f4978c47dbc2efcb691bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32adad75fa9410b6a384c64fb4aa89ca1065c1d17f3f4978c47dbc2efcb691bc", kill_on_drop: false }` [INFO] [stdout] 32adad75fa9410b6a384c64fb4aa89ca1065c1d17f3f4978c47dbc2efcb691bc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 021158c60c5161984e8e4284bcfa9509d561a5e3cbe493c84266efe56e396bce [INFO] running `Command { std: "docker" "start" "-a" "021158c60c5161984e8e4284bcfa9509d561a5e3cbe493c84266efe56e396bce", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.31s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/flint-4effb9e7dfe75f17) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "021158c60c5161984e8e4284bcfa9509d561a5e3cbe493c84266efe56e396bce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "021158c60c5161984e8e4284bcfa9509d561a5e3cbe493c84266efe56e396bce", kill_on_drop: false }` [INFO] [stdout] 021158c60c5161984e8e4284bcfa9509d561a5e3cbe493c84266efe56e396bce